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Antigenotoxic and antioxidant effects of the Mongolian medicinal plant Leptopyrum fumarioides (L): An in vitro study
Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Farmaceutiska fakulteten, Institutionen för läkemedelskemi, Avdelningen för farmakognosi.
Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Farmaceutiska fakulteten, Institutionen för läkemedelskemi, Avdelningen för farmakognosi.
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2014 (Engelska)Ingår i: Journal of Ethnopharmacology, ISSN 0378-8741, E-ISSN 1872-7573, Vol. 155, nr 1, s. 599-606Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Ethnopharmacological relevance: Leptopyrum fumarioides has been used in the traditional medicine of Mongolia for the treatment of various diseases, including drug intoxications. However, since there is only sparse information about its chemistry, active components, and pharmacological and toxicological effects, the major aim of the present study employing mouse lymphoma cells was to evaluate the genotoxic and antigenotoxic/antioxidative effects of extracts and components isolated from this plant. Material and methods: A crude methanol extract was separated into three different sub-extracts: dichloromethane, n-butanol, and water. The major constituent of the n-butanol extract, i.e., the flavone luteolin-7-O-glucoside and a mixture of the most abundant compounds in the dichloromethane sub-extract were then isolated. DNA damage was evaluated using the comet assay; the antioxidant activity was evaluated using the DPPH radical scavenging assay. Results: The crude methanol extract, the dichloromethane sub-extract and the mixture of compounds isolated from the latter fraction, increased the level of DNA damage after three hours of exposure. In contrast, no increase in DNA damage was observed in the cells that had been exposed to the n-butanol and water sub-extracts, or to the pure flavone. When non-DNA damaging concentrations of extracts and compounds were tested together with the DNA damaging agent catechol, all sub-extracts were found to reduce the catechol-induced DNA damage (the flavone was then found to be the most effective protective agent). The n-butanol sub-extract and the flavone were also found to have the most prominent antioxidative effects. Conclusion: Based on the results from the present study, components in Leptopyrum fumarioides were found to protect the DNA damage induced by catechol, probably by acting as potent antioxidants.

Ort, förlag, år, upplaga, sidor
2014. Vol. 155, nr 1, s. 599-606
Nyckelord [en]
Luteolin-7-O-glucoside, A mixture of long-chained alcohols and hydrocarbons, DNA-damage, Comet assay, DPPH scavenging assay, Mouse lymphoma cells
Nationell ämneskategori
Farmakologi och toxikologi Kardiologi
Identifikatorer
URN: urn:nbn:se:uu:diva-232610DOI: 10.1016/j.jep.2014.06.005ISI: 000340854000059OAI: oai:DiVA.org:uu-232610DiVA, id: diva2:748973
Tillgänglig från: 2014-09-22 Skapad: 2014-09-22 Senast uppdaterad: 2018-01-11Bibliografiskt granskad

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El-Seedi, Hesham R.Göransson, Ulf

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