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Protective effect of polypeptide from Chlamys farreri on mitochondria in human dermal fibroblasts irradiated by ultraviolet B

  
@article{APS9180,
	author = {Chun-Bo Wang and Bo-Xiao Ding and Shen-Bo Guo and Yu-Zhen Wang and Yan-Tao Han and Yue-Jun Wang},
	title = {Protective effect of polypeptide from Chlamys farreri on mitochondria in human dermal fibroblasts irradiated by ultraviolet B},
	journal = {Acta Pharmacologica Sinica},
	volume = {24},
	number = {7},
	year = {2016},
	keywords = {},
	abstract = {AIM: To study the effect of polypeptide from Chlamys farreri (PCF) on mitochondria of human dermal fibroblasts irradiated by ultraviolet B (UVB) in vitro. 
METHODS: Malondialdehyde (MDA) and antioxidant enzymes including superoxide dismutase (SOD) and glutathione peroxidase (GSH-PX) were determined by biochemical methods. Mitochondrial transmembrane potential was measured by flow cytometry. Ultrastructure of fibroblasts was observed with transmission electron microscope. 
RESULTS: UVB (1.176 x 10(-4) J/cm(2)) induced mitochondria damage in dermal fibroblast and PCF (0.25%-1%) reduced the damage in a concentration-dependent manner. Furthermore, PCF also concentration-dependently maintained the stability of mitochondrial transmembrane potential. PCF was able to reduce the MDA formation caused by UVB, meanwhile increased the activities of SOD and GSH-PX. The differences among the PCF groups and UVB model group were significant (P},
	issn = {1745-7254},	url = {http://www.chinaphar.com/article/view/9180}
}