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  • 1.
    Ankarberg, Emma
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Evolutionary Biology, Environmental Toxicology.
    Fredriksson, Anders
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Evolutionary Biology, Environmental Toxicology.
    Eriksson, Per
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Evolutionary Biology, Environmental Toxicology.
    Increased susceptibility to adult paraoxon exposure in mice neonatally exposed to nicotine2004In: Toxicological Sciences, ISSN 1096-6080, E-ISSN 1096-0929, Vol. 82, no 2, 555-561 p.Article in journal (Refereed)
    Abstract [en]

    Low-dose exposure of neonatal mice to nicotine has earlier been shown to induce an altered behavioral response to nicotine in adulthood. Organophosphorus insecticides are known to affect the cholinergic system by inhibition of acetylcholinesterase. This study was undertaken to investigate whether neonatal exposure to nicotine makes mice more susceptible to a known cholinergic agent. Neonatal, 10-day-old, male mice were exposed to nicotine-base (33 microg/kg body weight) or saline s.c. twice daily on five consecutive days. At 5 months of age the animals were exposed to paraoxon (0.17 or 0.25 mg/kg body weight [29% and 37% inhibition of cholinesterase, respectively]) or saline sc every second day for 7 days. Before the first paraoxon injection, the animals were observed for spontaneous motor behavior. The spontaneous motor behavior test did not reveal any differences in behavior between the treatment groups. Immediately after the spontaneous behavior test, the animals received the first injection of paraoxon and were observed for acute effects of paraoxon on spontaneous motor behavior. The acute response to paraoxon in the spontaneous motor behavior test was a decreased level of activity in mice neonatally exposed to nicotine. Control animals showed no change in activity. Two months after the paraoxon treatment, the animals were again tested for spontaneous motor behavior. Animals neonatally exposed to nicotine and exposed to paraoxon as adults showed a deranged spontaneous motor behavior, including hyperactivity and lack of habituation.

  • 2.
    Ankarberg, Emma
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Fredriksson, Anders
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Eriksson, Per
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Neonatal develpmental effects of nicotine in mice: Changes in brain nicotinic receptors and behavioural response to nicotine1998In: Toxicol. Lett. 95/Suppl 1, 1998Conference paper (Refereed)
  • 3.
    Ankarberg, Emma
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Fredriksson, Anders
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Eriksson, Per
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Neonatal exposure to nicotine induces increased susceptibility to paraoxon exposure at adult age2004In: The Toxicologist, 2004, 974- p.Conference paper (Refereed)
  • 4. Ankarberg, Emma
    et al.
    Fredriksson, Anders
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Eriksson, Per
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Neonatal exposure to nicotine induces increased suseptibility to paraoxon exposure at adult age2005In: Toxicologist 84, 2005, 974- p.Conference paper (Refereed)
  • 5.
    Ankarberg, Emma
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Evolutionary Biology, Environmental Toxicology.
    Fredriksson, Anders
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Evolutionary Biology, Environmental Toxicology.
    Eriksson, Per
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Evolutionary Biology, Environmental Toxicology.
    Neurobehavioural defects in adult mice neonatally exposed to nicotine: changes in nicotine-induced behaviour and maze learning performance2001In: Behavioural Brain Research, ISSN 0166-4328, E-ISSN 1872-7549, Vol. 123, no 2, 185-192 p.Article in journal (Refereed)
    Abstract [en]

    Neonatal exposure to low doses of nicotine has been shown to disturb the development of low-affinity nicotinic binding sites in the cerebral cortex and to elicit a deviant behavioural response to nicotine in adult mice. In this study, 10-day-old male NMRI mice were exposed to one of three different doses of nicotine (3.3, 33, or 66 μg nicotine-base/kg body wt.) s.c. twice daily on 5 consecutive days to study dose–response effects of nicotine on adult spontaneous and nicotine-induced motor behaviour. The nicotine-induced behaviour test revealed a hypoactive response to nicotine in 4-month-old mice neonatally exposed to 33 or 66 μg nicotine-base, whereas the response to nicotine in control animals and mice exposed to 3.3 μg nicotine-base was an increased activity. Learning and memory functions were also investigated in adult animals neonatally exposed to 66 μg nicotine-base/kg body wt. in the same manner, in the Morris water maze and in the Radial arm maze. In the swim maze and the Radial arm maze tests, no significant differences were observed between nicotine-treated and control animals at the age of 4 months. At 7 months, however, a significant difference in performance was evident, indicating a time-response/time-dependent effect. Furthermore, it was shown that in mice exposed neonatally to a nicotine dose known to inhibit the development of the nicotinic low affinity-binding site (LA), the response to nicotine could not cause any increase in spontaneous motor activity as seen in controls.

  • 6.
    Ankarberg, Emma
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Fredriksson, Anders
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Jakobsson, Eva
    Eriksson, Per
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Increased susceptibility to adult flame retardant exposure (PBDE 99) in mice neonatally exposed to nicotine2001In: The Second International Workshop on Brominated Flame Retardants, May 14-16, Stockholm, Sweden, 2001Conference paper (Refereed)
  • 7. Bakshi, Mayur V
    et al.
    Barjaktarovic, Zarko
    Azimzadeh, Omid
    Kempf, Stefan J.
    Merl, Juliane
    Hauck, Stefanie M.
    Buratovic, Sonja
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Eriksson, Per
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Atkinson, Michael J.
    Tapio, Soile
    Total body exposure to low-dose ionizing radiation induces long term alterations to the liver proteome of neonatally exposed mice2015In: Journal of Proteome Research, ISSN 1535-3893, E-ISSN 1535-3907, Vol. 14, no 1, 366-373 p.Article in journal (Refereed)
    Abstract [en]

    Tens of thousands of people are being exposed daily toenvironmental low-dose gamma radiation. Epidemiological data indicate thatsuch low radiation doses may negatively affect liver function and result in thedevelopment of liver disease. However, the biological mechanisms behindthese adverse effects are unknown. The aim of this study was to investigateradiation-induced damage in the liver after low radiation doses. Neonatal maleNMRI mice were exposed to total body irradiation on postnatal day 10 usingacute single doses ranging from 0.02 to 1.0 Gy. Early (1 day) and late (7months) changes in the liver proteome were tracked using isotope-codedprotein label technology and quantitative mass spectrometry. Our dataindicate that low and moderate radiation doses induce an immediateinhibition of the glycolysis pathway and pyruvate dehydrogenase availability inthe liver. Furthermore, they lead to significant long-term alterations in lipidmetabolism and increased liver inflammation accompanying inactivation of thetranscription factor peroxisome proliferator-activated receptor alpha. This study contributes to the understanding of the potentialrisk of liver damage in populations environmentally exposed to ionizing radiation.

  • 8. Bakshi, Mayur V.
    et al.
    Barjaktarovic, Zarko
    Azimzadeh, Omid
    Kempf, Stefan J.
    Merl, Juliane
    Hauck, Stefanie M.
    Eriksson, Per
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Buratovic, Sonja
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Atkinson, Michael J.
    Tapio, Soile
    Long-term effects of acute low-dose ionizing radiation on the neonatal mouse heart: a proteomic study2013In: Radiation and Environmental Biophysics, ISSN 0301-634X, E-ISSN 1432-2099, Vol. 52, no 4, 451-461 p.Article in journal (Refereed)
    Abstract [en]

    Epidemiological studies establish that children and young adults are especially susceptible to radiation-induced cardiovascular disease (CVD). The biological mechanisms behind the elevated CVD risk following exposure at young age remain unknown. The present study aims to elucidate the long-term effects of ionizing radiation by studying the murine cardiac proteome after exposure to low and moderate radiation doses. NMRI mice received single doses of total body Co-60 gamma-irradiation on postnatal day 10 and were sacrificed 7 months later. Changes in cardiac protein expression were quantified using isotope-coded protein label and tandem mass spectrometry. We identified 32, 31, 66, and 34 significantly deregulated proteins after doses of 0.02, 0.1, 0.5, and 1.0 Gy, respectively. The four doses shared 9 deregulated proteins. Bioinformatics analysis showed that most of the deregulated proteins belonged to a limited set of biological categories, including metabolic processes, inflammatory response, and cytoskeletal structure. The transcription factor peroxisome proliferator-activated receptor alpha was predicted as a common upstream regulator of several deregulated proteins. This study indicates that both adaptive and maladaptive responses to the initial radiation damage persist well into adulthood. It will contribute to the understanding of the long-term consequences of radiation-induced injury and developmental alterations in the neonatal heart.

  • 9.
    Buratovic, Sonja
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental Toxicology.
    Fredriksson, Anders
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental Toxicology.
    Crofton, Kevin
    Neurotoxicology Division, National Health and Environmental Effects Research Laboratory, Office of Research and Development, U.S. EPA, Research Triangle Park, USA.
    Viberg, Henrik
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental Toxicology.
    Eriksson, Per
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental Toxicology.
    Comparison of single and repeated exposure to low doses of pyrethroids, permethrin and bioallethrin, during neonatal brain development on adult spontaneous behaviour2012Conference paper (Refereed)
    Abstract [en]

    Permethrin and bioallethrin belong to the Type 1 class of pyrethroid pesticides. The primary mechanism of action is interference with nerve membrane sodium channels that results in increased neuronal activity. We have earlier reported on developmental neurotoxic effects after repeated, PND 10 to PND16, neonatal exposure to pyrethroids. The effects were manifested as altered spontaneous behavior, hyperactivity and reduced cognitive function and changes in cholinergic muscarinic/nicotinic receptors in the cerebral cortex of neonatal and adult mice. The present study was undertaken to compare repeated and single exposure to permethrin and bioallethrin during the neonatal brain growth spurt (BGS) on adult spontaneous behavior in a novel home environment. Neonatal NMRI male mice were given permethrin, orally (0.55; 3.3; 6.6 mg/kg bw/day) on PND 10-14, or just a single oral dose of 6.6 mg/kg bw on PND 10. Bioallethrin was given as a single oral dose of 0.7 mg/kg bw on PND 10, and compared to earlier published data on repeated exposure. Mice serving as controls received the 20 % fat emulsion vehicle. Spontaneous behavior test (locomotion, rearing, total activity) in 2-month-old mice revealed a significant higher activity in mice exposed to repeated doses of 6.6 mg permethrin, as well in mice just receiving a single 6.6 mg dose of permethrin. No significant difference was observed between repeated and single exposure.  A single dose of 0.7 mg bioallethrin on PND 10 caused the same effects as a repeated dose of 0.7 mg between PND 10 to PND 16. This demonstrates that a single dose of these pyrethroids can cause the same developmental neurotoxic effects as that seen following repeated doses over one week during the neonatal BGS period in mouse. This research provides is consistent with previous findings that exposure during the BGS can result in persistent behavioral defects.

  • 10.
    Buratovic, Sonja
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Stenerlöw, Bo
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology.
    Fredriksson, Anders
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Sundell-Bergman, Synnöve
    Department of Soil and Environment, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Eriksson, Per
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Developmental effects of fractionated low-dose exposure to gamma radiation on behaviour and susceptibility of the cholinergic system in mice2016In: International Journal of Radiation Biology, ISSN 0955-3002, E-ISSN 1362-3095, Vol. 92, no 7, 371-379 p.Article in journal (Refereed)
    Abstract [en]

    Purpose: To investigate whether neonatal exposure to fractionated external gamma radiation and co-exposure to radiation and nicotine can affect/exacerbate developmental neurotoxic effects, including altered behavior/cognitive function and the susceptibility of the cholinergic system in adult male mice. Materials and methods: Neonatal male Naval Medical Research Institute (NMRI) mice were irradiated with one 200 mGy fraction/day and/or exposed to nicotine (66 μg/kg b.w.) twice daily on postnatal day (PND) 10, 10–11, 10–12 or 10–13 (nicotine only). At 2 months of age the animals were tested for spontaneous behavior in a novel home environment, habituation capacity and nicotine-induced behavior. Results: Fractionated irradiation and co-exposure to radiation and nicotine on three consecutive days disrupted behavior and habituation and altered susceptibility of the cholinergic system. All observed effects were significantly more pronounced in mice co-exposed to both radiation and nicotine. Conclusions: The fractionated irradiation regime affects behavior/cognitive function in a similar manner as has previously been observed for single-dose exposures. Neonatal co-exposure to radiation and nicotine, during a critical period of brain development in general and cholinergic system development in particular, enhance these behavioral defects suggesting that the cholinergic system can be a target system for this type of developmental neurotoxic effects.

  • 11.
    Buratovic, Sonja
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Stenerlöw, Bo
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology.
    Fredriksson, Anders
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Sundell-Bergman, Synnöve
    Eriksson, Per
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Low Dose Neonatal Co-exposure to Radiation and Ketamine Negatively Influences Cognition and Alters Neuroprotein Levels in theAdult Mouse2015Conference paper (Other academic)
  • 12.
    Buratovic, Sonja
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Stenerlöw, Bo
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Medical Radiation Science.
    Fredriksson, Anders
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Sundell-Bergman, Synnöve
    Sveriges lantbruksuniversitet, Fakulteten för naturresurser och lantbruksvetenskap, Institutionen för Mark och miljö.
    Viberg, Henrik
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Eriksson, Per
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Neonatal exposure to a moderate dose of ionizing radiation causes behavioural defects and altered levels of tau protein in mice2014In: Neurotoxicology, ISSN 0161-813X, E-ISSN 1872-9711, Vol. 45, 48-55 p.Article in journal (Refereed)
    Abstract [en]

    Medical use of ionizing radiation (IR) has great benefits for treatment and diagnostic imaging, butprocedures as computerized tomography (CT) may deliver a significant radiation dose to the patient.Recently, awareness has been raised about possible non-cancer consequences from low dose exposure toIR during critical phases of perinatal and/or neonatal brain development.In the present study neonatal NMRI mice were whole body irradiated with a single dose of gammaradiation (0; 350 and 500 mGy) on postnatal day 10 (PND 10). At 2 and 4 months of age, mice of bothsexes were observed for spontaneous behaviour in a novel home environment. The neuroproteinsCaMKII, GAP-43, synaptophysin and total tau in male mouse cerebral cortex and hippocampus wereanalysed 24 h post-irradiation and in adults at 6 months of age exposed to 0 or 500 mGy on PND 10.A significantly dose-response related deranged spontaneous behaviour in 2- and 4-month-old micewas observed, where both males and females displayed a modified habituation, indicating reducedcognitive function. The dose of 350 mGy seems to be a tentative threshold. Six-month-old male miceshowed a significantly increased level of total tau in cerebral cortex after irradiation to 500 mGy compared to controls. This demonstrates that a single moderate dose of IR, given during a defined criticalperiod of brain development, is sufficient to cause persistently reduced cognitive function. Moreover, anelevation of tau protein was observed in male mice displaying reduced cognitive function.

  • 13.
    Buratovic, Sonja
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Stenerlöw, Bo
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Radiology, Oncology and Radiation Science, Biomedical Radiation Sciences.
    Sundell-Bergman, Synnöve
    Sveriges lantbruksuniversitet, Fakulteten för naturresurser och lantbruksvetenskap, Institutionen för Mark och miljö.
    Fredriksson, Anders
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Eriksson, Per
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Coexposure to gamma-radiation and nicotine during a critical period of neonatal brain development can excarebate cognitive defects in adult mice2014Conference paper (Refereed)
  • 14.
    Buratovic, Sonja
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Stenerlöw, Bo
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Radiology, Oncology and Radiation Science, Biomedical Radiation Sciences.
    Sundell-Bergman, Synnöve
    Sveriges lantbruksuniversitet, Fakulteten för naturresurser och lantbruksvetenskap, Institutionen för Mark och miljö.
    Fredriksson, Anders
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Eriksson, Per
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Cognitive defects and tau protein alterations in adult mice following neonatal low dose co-exposure to radiation and ketamine2014Conference paper (Refereed)
  • 15.
    Buratovic, Sonja
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental Toxicology.
    Stenerlöw, Bo
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Radiology, Oncology and Radiation Science, Biomedical Radiation Sciences.
    Sundell-Bergman, Synnöve
    Sveriges lantbruksuniversitet, Fakulteten för naturresurser och lantbruksvetenskap, Institutionen för Mark och miljö.
    Fredriksson, Anders
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental Toxicology. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Psychiatry, University Hospital.
    Eriksson, Per
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental Toxicology.
    Exposure to a single dose of ionising radiation during brain development can cause cognitive defects and increased levels of tau in mice2012Conference paper (Refereed)
    Abstract [en]

    Ionising radiation (IR) is widely used in the medical field for treating tumours, including tumours in the central nervous system, and for imaging techniques such as computed tomography (CT). There is a lack of knowledge and increasing concern about effects and consequences from low dose exposure during critical phases of perinatal and/or neonatal brain development compared to prenatal irradiation. It is known that IR causes neurotoxicological and neurobehavioural defects in mammals. Further, an epidemiological study has suggested that low doses of IR to the human brain during infancy can have a negative effect on cognitive abilities in adulthood. The rapid brain growth spurt (BGS) occurs in humans as well as mice. In humans the BGS starts during the third trimester of pregnancy and continues throughout the first two years of life. In mouse and rat the BGS is neonatal, spanning the first 3-4 weeks of life. The BGS is characterized by maturation of axonal and dendritic outgrowth, establishment of neural connections and acquisition of many new motor and sensory abilities. By using the neonatal mouse as an animal model we are able to study the effect of IR during early periods of brain development and which consequences it has for the adult animal. Disturbances in development caused by nicotine, MeHg, PCBs and PBDEs have previously been shown to alter adult spontaneous behaviour and/or neuroprotein levels in mice.

    Neonatal NMRI male mice were irradiated (0; 0.35 and 0.5 Gy) at one single occasion on postnatal day 10. Mice serving as controls were placed in plastic dishes for a time-period corresponding to the irradiation. Spontaneous behaviour was tested in a novel home environment at 2- and 4-months of age and parameters observed were locomotion, rearing and total activity. Analyses of important neuroprotein levels were performed on 6-month-old control and 0.5 Gy irradiated mice.

    Spontaneous behaviour test (locomotion, rearing, total activity revealed a significantly deranged behaviour in 2- and 4-month old mice irradiated with 0.35 or 0.5 Gy in a dose-response related manner, when compared to controls. The behavioural alterations were manifested as a reduced activity during at the beginning of the observational period and a higher activity at the end of the observational period. Analyses of the neuroprotein tau, which in human medicine is used as a biomarker for Alzheimer’s disease, showed a significantly higher level in mice irradiated with 0.5 Gy compared to controls. This demonstrates that a single dose of gamma radiation, given at a defined critical time period during brain development, is sufficient to cause persistently reduced cognitive functions and increased levels of tau in mice.   

  • 16.
    Buratovic, Sonja
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Stenerlöw, Bo
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology.
    Sundell-Bergman, Synnöve
    Fredriksson, Anders
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Viberg, Henrik
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Gordh, Torsten
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences.
    Eriksson, Per
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Ketamine interacts with low dose ionizing radiaiton during brain development to impair cognitive function in mouse2016In: Anesthesiology, ISSN 0003-3022, E-ISSN 1528-1175Article in journal (Refereed)
  • 17.
    Buratovic, Sonja
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental Toxicology.
    Viberg, Henrik
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental Toxicology.
    Fredriksson, Anders
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental Toxicology.
    Eriksson, Per
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental Toxicology.
    Developmental exposure to PBDE 209: sex, neuroprotein and neurobehavioural analyses2012In: Toxicology Letters, ISSN 0378-4274, E-ISSN 1879-3169, Vol. 211, no supplement, S90- p.Article in journal (Refereed)
    Abstract [en]

    Polybrominated diphenyl ethers (PBDEs) are used in large quantities as flame-retardants in polymers products.Newborns and toddlers can be indirectly and directly exposed to PBDEs during a period of critical rapid brain development. The present study was undertaken to investigate neurotoxic effects after neonatal exposure to PBDE 209 on sex differences, cognitive function, neuroproteins and altered susceptibility to toxicants in adults.

     

    3-day-old NMRI mice were exposed to PBDE 209 (2,2´,3,3´,4,4´,5,5´,6,6´-decaBDE at 0, 1.4, 6.0 and 14 µmol/kg bw). At 2 months of age male mice were exposed to paraoxon (0.25 mg/kg bw, every 2nd day for 7 days) and female mice exposed to nicotine (80 µg nicotine base/kg bw). At the age of 2 and 4 months mice were observed for spontaneous behaviour, before and after adult exposure to paraoxon (male) and nicotine (female). Male mice aged 5 and 7 months were observed for memory and learning. Neuroproteins CaMKII, GAP-43, synaptophysin and tau in cerebral cortex and hippocampus from 7-months old male and female mice were analyzed.

     

    The present study shows that neonatal exposure to PBDE 209 can induce developmental neurobehavioural defects in both male and female mice. Neonatal exposure to PBDE 209 also caused increased susceptibility in adult mice to paraoxon and nicotine. All these effects were dose response related. Further, neonatal exposure to PBDE 209 caused persistent defects in memory and learning in adult male mice and increased levels of important neuroproteins e.g. tau in adult male and female mice.

  • 18.
    Buratovic, Sonja
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Viberg, Henrik
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Fredriksson, Anders
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Eriksson, Per
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Developmental exposure to the polybrominated diphenyl ether PBDE 209: Neurobehavioural and neuroprotein analysis in adult male and female mice2014In: Environmental Toxicology and Pharmacology, ISSN 1382-6689, E-ISSN 1872-7077, Vol. 38, no 2, 570-585 p.Article in journal (Refereed)
    Abstract [en]

    Polybrominated diphenyl ethers (PBDEs), used as flame retardants in polymer products, are reported to cause developmental neurotoxic effects in mammals. The present study have investigated neurotoxic effects arising from neonatal exposure to PBDE 209, including alterations in sex differences, spontaneous behaviour, learning and memory, neuroproteins and altered susceptibility of the cholinergic system in adults. Three-day-old NMRI mice, of both sexes, were exposed to PBDE 209 (2,2',3,3',4,4',5,5',6,6'-decaBDE at 0, 1.4, 6.0 and 14.0 mu mol/kg b.w.). At adult age (2-7 months) a similar developmental neurotoxic effects in both male and female mice were seen, including lack of or reduced habituation to a novel home environment, learning and memory defects, modified response to the cholinergic agent's paraoxon (males) and nicotine (females) indicating increased susceptibility of the cholinergic system. The behavioural defects were dose-response related and persistent. In mice of both sexes and showing behavioural defects, neuroprotein tau was increased. (C) 2014 Elsevier B.V. All rights reserved.

  • 19.
    Buratovic, Sonja
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Viberg, Henrik
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Fredriksson, Anders
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Eriksson, Per
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Developmental exposure to the polybrominated diphenylether PBDE 209: Neurobehavioural and neuroprotein analysis in adult male and female mice2014In: Environmental Toxicology and Pharmacology, ISSN 1382-6689, E-ISSN 1872-7077, Vol. 38, 570-585 p.Article in journal (Refereed)
    Abstract [en]

    Polybrominated diphenyl ethers (PBDEs), used as flame retardants in polymer products,are reported to cause developmental neurotoxic effects in mammals. The present studyhave investigated neurotoxic effects arising from neonatal exposure to PBDE 209, includingalterations in sex differences, spontaneous behaviour, learning and memory, neuroproteinsand altered susceptibility of the cholinergic system in adults.Three-day-old NMRI mice, of both sexes, were exposed to PBDE 209 (2,2,3,3,4,4,5,5,6,6-decaBDE at 0, 1.4, 6.0 and 14.0 mol/kg b.w.). At adult age (2–7 months) a similardevelopmental neurotoxic effects in both male and female mice were seen, including lackof or reduced habituation to a novel home environment, learning and memory defects,modified response to the cholinergic agent’s paraoxon (males) and nicotine (females) indi-cating increased susceptibility of the cholinergic system. The behavioural defects weredose–response related and persistent. In mice of both sexes and showing behaviouraldefects, neuroprotein tau was increased.

  • 20.
    Eriksson, Per
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Bromerade flamskyddsmedel skadar nyfödda hjärnor2006In: I: Giftfri miljö-utopi eller verklig chans?, Formas Fokuserar 08-tryck AB , 2006, 189-198 p.Chapter in book (Other (popular scientific, debate etc.))
  • 21.
    Eriksson, Per
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Response to: Use of the Pup as the Statistical Unit in Developmental Neurotoxicity Studies: Overlooked Model or Poor Research Design?2008In: Toxicological Sciences, ISSN 1096-6080, E-ISSN 1096-0929, Vol. 103, no 2, 411-413 p.Article in journal (Other academic)
  • 22.
    Eriksson, Per
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Ankarberg, Emma
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Viberg, Henrik
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Fredriksson, Anders
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    The developing cholinergic system as target for environmental toxicants, nicotine and polychlorinated biphenyls (PCBs): Implicants for neurotoxicological processes in mice.2001In: Neurotoxicity, Vol. 3, 37-51 p.Article in journal (Refereed)
  • 23.
    Eriksson, Per
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Buratovic, Sonja
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Fredriksson, Anders
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Stenerlöw, Bo
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology.
    Sundell-Bergman, Synnöve
    Swedish Univ Agr Sci, Dept Soil & Environm, Uppsala, Sweden.
    Neonatal exposure to whole body ionizing radiation induces adult neurobehavioural defects: Critical period, dose-response effects and strain and sex comparison2016In: Behavioural Brain Research, ISSN 0166-4328, E-ISSN 1872-7549, Vol. 304, 11-19 p.Article in journal (Refereed)
    Abstract [en]

    Development of the brain includes periods which can be critical for its normal maturation. The present study investigates specifically vulnerable peri-/postnatal periods in mice which are essential for understanding the etiology behind radiation induced neurotoxicity and functional defects, including evaluation of neurotoxicity between sexes or commonly used laboratory mouse strains following low/moderate doses of ionizing radiation (IR). Male Naval Medical Research Institute (NMRI) mice, whole body irradiated to a single 500 mGy IR dose, on postnatal day (PND) 3 or PND 10 showed an altered adult spontaneous behaviour and impaired habituation capacity, whereas irradiation on PND 19 did not have any impact on the studied variables. Both NMRI and C57bl/6 male and female mice showed an altered adult spontaneous behaviour and impaired habituation following a single whole body irradiation of 500 or 1000 mGy, but not after 20 or 100 mGy, on PND 10. The present study shows that exposure to low/moderate doses of IR during critical life stages might be involved in the induction of neurological/neurodegenerative disorder/disease. A specifically vulnerable period for radiation induced neurotoxicity seems to be around PND 3-10 in mice. Further studies are needed to investigate mechanisms involved in induction of developmental neurotoxicity following low dose irradiation.

  • 24.
    Eriksson, Per
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Buratovic, Sonja
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Stenerlöw, Bo
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology.
    Fredriksson, Anders
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Sundell-Bergman, Synnöve
    Low-dose Ionizing Radiation Interacts with Environmental Agents During Brain Development: Exacerbation of Cognitive Dysfunction inMice2015Conference paper (Other academic)
  • 25.
    Eriksson, Per
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Buratovic, Sonja
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Stenerlöw, Bo
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Radiology, Oncology and Radiation Science, Biomedical Radiation Sciences.
    Fredriksson, Anders
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental toxicology.
    Sundell-Bergman, Synnöve
    Sveriges lantbruksuniversitet, Fakulteten för naturresurser och lantbruksvetenskap, Institutionen för Mark och miljö.
    Neonatal low-dose co-exposure to the anaesthetic agent ketamine and gamma-radiation causes persistent neurobehavioural defects in adult mice2014Conference paper (Refereed)
  • 26.
    Eriksson, Per
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Fischer, Celia
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Fredriksson, Anders
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Co-exposure to a polybrominated diphenyl ether (PBDE 99) and an ortho-substituted PCB (PCB 52) enhances developmental neurotoxic effects2003In: Organohalogen compounds, 2003Conference paper (Other scientific)
  • 27.
    Eriksson, Per
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Fischer, Celia
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Fredriksson, Anders
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Polybrominated diphenyl ethers, a group of brominated flame retardants, can interact with polychlorinated biphenyls in enhancing developmental neurobehavioral defects2006In: Toxicological Sciences, ISSN 1096-6080, E-ISSN 1096-0929, Vol. 94, no 2, 302-309 p.Article in journal (Refereed)
    Abstract [en]

    The present study shows that polybrominated diphenyl ethers (PBDEs) and polychlorinated biphenyls (PCBs) can interact and enhance developmental neurobehavioral defects when the exposure occurs during a critical stage of neonatal brain development. PBDEs are used in large quantities as flame-retardant additives in polymers, especially in the manufacture of a great variety of electrical appliances, and textiles. In contrast to the well-known persistent compounds PCBs and DDT, the PBDEs have been found to increase in the environment and in human mother's milk. We have previously shown that low-dose exposure to environmental toxic agents such as PCB can cause developmental neurotoxic effects when present during a critical stage of neonatal brain development. Epidemiological studies indicate the adverse neurobehavioral impact of PCBs. Recently, we reported that neonatal exposure to PBDEs causes developmental neurotoxic effects. In the present study, 10-day-old Naval Medical Research Institute male mice were given one single oral dose of PCB 52 (1.4 mu mol/kg body weight [bw]) + PBDE 99 (1.4 mu mol), PCB 52 (1.4 mu mol or 14 mu mol), or PBDE 99 (1.4 mu mol or 14 mu mol). Controls received a vehicle (20% fat emulsion). Animals exposed to the combined dose of PCB 52 (1.4 mu mol) + PBDE 99 (1.4 mu mol) and the high dose of PCB 52 (14 mu mol) or PBDE 99 (14 mu mol) showed significantly impaired spontaneous motor behavior and habituation capability at the age of 4 and 6 months. The neurobehavioral defects were also seen to worsen with age in mice neonatally exposed to PCB 52 + PBDE 99.

  • 28.
    Eriksson, Per
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Fischer, Celia
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Karlsson, H
    Fredriksson, Anders
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Interaction between a brominated flame-retardant (PBDE 99) and an ortho-substituted PCB (PCB 52) enhances developmental neurotoxic effects2003In: The Toxicologist, 2003, 72: 323- p.Conference paper (Other scientific)
  • 29.
    Eriksson, Per
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Fischer, Celia
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Wallin, Maria
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Jakobsson, Eva
    Fredriksson, Anders
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Impaired behaviour, learning and memory, in adult mice neonatally exposed to hexabromocyclododecane (HBCDD)2006In: Environmental Toxicology and Pharmacology, Vol. 21, 317-322 p.Article in journal (Refereed)
  • 30.
    Eriksson, Per
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Jakobsson, Eva
    Fredriksson, Anders
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Brominated flame retardants: A novel class of developmental neurotoxicants in our environment.2001In: Environ. Health Perspec., Vol. 109, no 9, 903-908 p.Article in journal (Refereed)
  • 31.
    Eriksson, Per
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Johansson, Niclas
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Fredriksson, Anders
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Highly brominated diphenyl ethers (PBDE 209) can interact with perfluorinated chemicals (PFOA) during neonatal brain development in enhancing developmental neurobehavioural defects2006In: Organohalogen Compounds, 2006Conference paper (Other scientific)
  • 32.
    Eriksson, Per
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology. Avd för ekotoxikologi.
    Johansson, Niclas
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Viberg, Henrik
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Fischer, Celia
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Fredriksson, Anders
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Comparative developmental neurotoxicity of flame-retardants, polybrominated flame-retardants and organophosphorous compounds, in mice2004In: Organohalogen Compounds, 2004, 66:3163-3165 p.Conference paper (Refereed)
  • 33.
    Eriksson, Per
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental Toxicology.
    Stenerlöw, Bo
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Radiology, Oncology and Radiation Science, Biomedical Radiation Sciences.
    Fredriksson, Anders
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental Toxicology.
    Buratovic, Sonja
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental Toxicology.
    Viberg, Henrik
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental Toxicology.
    Sundell-Bergman, Synnöve
    Sveriges lantbruksuniversitet, Fakulteten för naturresurser och lantbruksvetenskap, Institutionen för Mark och miljö.
    Ionizing radiation and environmental toxicants can interact during brain development to exacerbate cognitive defects in mice2012Conference paper (Other academic)
  • 34.
    Eriksson, Per
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental Toxicology.
    Stenerlöw, Bo
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Radiology, Oncology and Radiation Science, Biomedical Radiation Sciences.
    Fredriksson, Anders
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental Toxicology. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Psychiatry, University Hospital.
    Sundell-Bergman, Synnöve
    Sveriges lantbruksuniversitet, Fakulteten för naturresurser och lantbruksvetenskap, Institutionen för Mark och miljö.
    Co-exposure to radiation and environmental toxicants (PBDE 99 and MeHg) during a defined critical phase of neonatal brain development enhances cognitive defects in adult mice2011Conference paper (Refereed)
  • 35.
    Eriksson, Per
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology. Avd för ekotoxikologi.
    Viberg, Henrik
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology. Avd för ekotoxikologi.
    Letter to the editor.2004In: Toxicol Sci, ISSN 1096-6080, Vol. 79, no 1, 207-8 p.Article in journal (Other scientific)
  • 36.
    Eriksson, Per
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Viberg, Henrik
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Tiered testing in mammals - the neonatal animal model2005In: Science for a safe chemical environment, 2005, 103-133 p.Chapter in book (Refereed)
  • 37.
    Eriksson, Per
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Viberg, Henrik
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Ankarberg, Emma
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Jakobsson, Eva
    Örn, Ulrika
    Fredriksson, Anders
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Polybrominated diphenylethers (PBDEs): A novel calss of developmental neurotoxicants in our environment.2001In: The Second International Workshop on Brominated Flame Retardants, May 14-16, 2001Conference paper (Refereed)
  • 38.
    Eriksson, Per
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology.
    Viberg, Henrik
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology.
    Fischer, Celia
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology.
    Wallin, Maria
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology.
    Fredriksson, Anders
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology.
    A comparison on the developmental neurotoxic effects of hexabromocyclododecane, 2,2´,4,4´,5,5´-hexabromodiphenylether (PBDE 153) and 2,2´,4,4´,5,5´-hexachlorobiphenylether (PCB 153).2002In: Organohalogen Compounds, Vol. 57, 389-390 p.Article in journal (Refereed)
  • 39.
    Eriksson, Per
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental Toxicology.
    Viberg, Henrik
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Environmental Toxicology.
    Fredriksson, Anders
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Developmental exposure to PBDEs and environmental toxicants: Effects effects and functional consequences later in life2010In: Organohalogen Compounds, ISSN 1026-4892, Vol. 72Article in journal (Refereed)
  • 40.
    Eriksson, Per
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Viberg, Henrik
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Jakobsson, Eva
    Örn, Ulrika
    Fredriksson, Anders
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    A brominated flame-retardant, 2,2´,4,4´,5-pentabromodiphenylether: Uptake, retention and induction of neurobehavioural derangement in mice, during a critical phase of neonatal brain development.2002In: Toxicological Sciences, Vol. 67, 98-103 p.Article in journal (Refereed)
  • 41.
    Eriksson, Per
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    von Rosen, D
    Viberg, Henrik
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Fredriksson, Anders
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Developmental toxicology in the neonatal mouse: the use of randomly selected individuals as statistical unit compared to the litter in mice neonatally exposed to PBDE 992005In: Toxicologist 84, 2005, 1074- p.Conference paper (Refereed)
  • 42.
    Eriksson, Per
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    von Rosen, D.
    Viberg, Henrik
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Fredriksson, Anders
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Developmental toxicology in the neonatal mouse: The use of randomly selected individuals as statistical unit compared to the litter in mice neonatally exposed to PBDE 992004In: The Toxicologist, 2004, 1074- p.Conference paper (Refereed)
  • 43.
    Fischer, Celia
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology. Ekotoxikologi.
    Bergman, Synnöve
    Fredriksson, Anders
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology. Ekotoxikologi.
    Stenerlöw, Bo
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Eriksson, Per
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology. Ekotoxikologi.
    Developmental neurobehavioural effects after co-exposure to gamma-radiation and methyl mercury during a critical phase of neonatal brain development in mice2007In: The Toxicologist, 2007Conference paper (Refereed)
  • 44.
    Fischer, Celia
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology. Avd för ekotoxikologi.
    Fredriksson, Anders
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Eriksson, Per
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology. Avd för ekotoxikologi.
    Co-exposure to an ortho-substituted PCB (PCB 153) and methylmercury enhances developmental neurotoxic effects2004In: Organohalogen Compounds, 2004, 66:3160-3162 p.Conference paper (Refereed)
  • 45.
    Fischer, Celia
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Fredriksson, Anders
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Eriksson, Per
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Enhanced developmental neurobehavioural defects in mice neonatally co-exposed to an ortho-susbstituted PCB (PCB 153), co-planar PCB (PCB 126), or a brominated flame retardant (PBDE 99) in addition to methylmercury2006In: The Toxicologist, 2006, 1456- p.Conference paper (Refereed)
  • 46.
    Fischer, Celia
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Fredriksson, Anders
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Eriksson, Per
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Neonatal exposure to a single low dose of a type 1 pyrethroid (bioallethrin) affects spontaneous behaviour and learning in adult mice of different strains2004In: The Toxicologist, 2004, 975- p.Conference paper (Refereed)
  • 47.
    Fischer, Celia
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Fredriksson, Anders
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Eriksson, Per
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Neonatal exposure to a single low dose of a type I pyrethroid (bioallethrin) affects spontaneous behaviour and learning in adult mice of different strains2005In: Toxicologist 84, 2005, 975- p.Conference paper (Refereed)
  • 48.
    Fischer, Celia
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology.
    Fredriksson, Anders
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology.
    Eriksson, Per
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology.
    PCBs (PCB 153) and PCB 126) and PBDE (PBDE 99) can interact with methylmercury in enhancing developmental neurotoxic effects2006In: Organohalogen Compounds, 2006Conference paper (Other scientific)
  • 49.
    Fredriksson, Anders
    et al.
    Uppsala University, Medicinska vetenskapsområdet, Faculty of Medicine, Department of Neuroscience. Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Archer, Trevor
    Alm, Henrik
    Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Gordh, Torsten
    Department of Surgical Sciences. Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Eriksson, Per
    Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology. Avd för ekotoxikologi.
    Neurofunctional deficits and potentiated apoptosis by neonatal NMDA antagonist administration.2004In: Behav Brain Res, ISSN 0166-4328, Vol. 153, no 2, 367-76 p.Article in journal (Refereed)
  • 50.
    Fredriksson, Anders
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    Eriksson, Per
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Environmental Toxicology.
    The NMDA antagonist MK-801 potentiates apoptosis in the neonatal mouse brain, leading to hyperactivity and learning disabilities in adult mice2002In: The Toxicologist, 2002, 120- p.Conference paper (Refereed)
123 1 - 50 of 101
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