Neuroscience letters · 2004
The neuroprotective effect of melatonin against the induction of c-Jun phosphorylation by 6-hydroxydopamine on SK-N-SH cells.
Сравнительное исследованиеСтатьяПоддержка исследования: вне правительства СШАПоддержка службы здравоохранения СШАНазвание и аннотация: Перевод пока не подготовлен
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Chetsawang Banthit, Govitrapong Piyarat, Ebadi Manuchair
Аннотация
Melatonin is synthesized mainly in pineal gland. It has been suggested that melatonin has proven antioxidant effects and protective effects against neuronal cell degeneration. There are several studies indicating that c-Jun-N-terminal kinase pathways might be involved in neuronal cell death. In this study, the effects of melatonin on 6-hydroxydopamine (6-OHDA)-treated cultured SK-N-SH cells were investigated. The results showed that 6-OHDA significantly decreased cell viability as determined by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-tetrazolium bromide (MTT) assay, and melatonin was able to reverse the toxic effects of 6-OHDA on cell viability. In addition, induction of c-Jun phosphorylation by 6-OHDA was diminished by melatonin. These results demonstrate some protective properties of melatonin against neuronal cell degeneration and its action on the inhibition of c-Jun-N terminal kinase signaling cascade.