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Polypeptide from Chlamys farreri inhibits UVB-induced apoptosis of HaCaT cells via iNOS/NO and HSP90
Polypeptide from Chlamys farreri(PCF) is a novel marine bioactive product that was isolated from the gonochoric Chinese scallop Chlamys farreri,and was found to be an effective antioxidant in our recent studies.In this study,we investigated the effect of PCF on ultraviolet B(UVB)-induced apoptosis of HaCaT cells and the intracellular signaling pathways involved.Pretreatment with the inducible nitric oxide synthase(iNOS) inhibitor S-methylisothiourea sulfate inhibited UVB-induced apoptosis,indicating that iN... 相似文献
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A novel marine active polypeptide(PCF),isolated from the gonochoric Chinese scallop,Chlamys farreri,has potential antioxidant and anti-apoptotic activity against ultraviolet irradiation.We investigated whether UVB-induced HaCaT cell apoptosis occurs via the mitochondrial pathways Apaf-1/caspase-9 and Smac/XIAP/caspase-3.We then investigated the molecular mechanisms controlling the anti-apoptotic effect of PCF.Pre-treatment with PCF and caspase-9 inhibitor significantly inhibited UVB-induced apoptosis in HaC... 相似文献
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