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Association of zoonotic Ljungan virus with intrauterine fetal deaths
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Cell Biology.
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2007 (English)In: Birth defects research. Clinical and molecular teratology, ISSN 1542-0752, E-ISSN 1542-0760, Vol. 79, no 6, 488-493 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: It has recently been shown that Ljungan virus (LV) is associated with disease in its wild rodent reservoir. In addition, it has been demonstrated that LV causes malformations and perinatal death in a mouse model. The question was therefore raised whether LV is a zoonotic agent in humans. METHODS: Population fluctuations of native rodents in Sweden were compared to the incidence of intrauterine fetal deaths (IUFDs) using the Swedish national hospitalization database. Formalin-fixed tissues from cases of IUFD were investigated using LV-specific immunohistochemistry. RESULTS: Variation in the incidence of IU-FDs closely tracked the fluctuations in native rodent populations. LV was detected in the brain tissue in 4 of 10 cases of IUFDs investigated by immunochemistry. LV was also detected in the placenta in 5 of the 10 IUFD cases, but in none of 20 placentas from normal pregnancies. CONCLUSIONS: LV may play an important role in IUFDs.

Place, publisher, year, edition, pages
2007. Vol. 79, no 6, 488-493 p.
Keyword [en]
Animals, Arvicolinae/virology, Brain/virology, Case-Control Studies, Disease Models; Animal, Female, Fetal Death/*etiology, Humans, Immunoenzyme Techniques, Infant; Newborn, Male, Parechovirus/*pathogenicity, Picornaviridae Infections/*complications, Placenta/virology, Pregnancy, Pregnancy Complications; Infectious/epidemiology/*etiology, Pregnancy Outcome, Rodent Diseases/epidemiology/etiology, Sweden/epidemiology
National Category
Medical and Health Sciences Biological Sciences
URN: urn:nbn:se:uu:diva-17172DOI: 10.1002/bdra.20359ISI: 000247228200004PubMedID: 17335057OAI: oai:DiVA.org:uu-17172DiVA: diva2:44943
Available from: 2008-06-17 Created: 2008-06-17 Last updated: 2011-02-09Bibliographically approved

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Niklasson, Bo
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