甲基乙二醛
糖基化
愤怒(情绪)
细胞凋亡
化学
丹参
细胞生物学
线粒体
受体
癌症研究
生物化学
生物
医学
病理
中医药
酶
替代医学
神经科学
作者
Yuehua Wang,Yu-Pei Han,Haitao Yu,Xiaoping Pu,Guanhua Du
标识
DOI:10.1016/j.ejphar.2014.04.045
摘要
Methylglyoxal (MGO), a glucose derived dicarbonyl intermediate, is a major precursor of advanced glycation end products (AGEs) which have been linked to the development of diabetic cataract. Protocatechualdehyde (PCA), a phenolic acid compound, is found in the roots of Salvia miltiorrhiza. This study was to investigate the effect of PCA against MGO-induced cytotoxicity in human lens epithelial cells (SRA01/04 cells) and the possible involved molecular mechanism. The results showed that PCA alleviated MGO-induced mitochondrial dysfunction and apoptosis in SRA01/04 cells. Furthermore, PCA was capable of inhibiting MGO-mediated AGEs formation and blocking receptor of AGEs expression in SRA01/04 cells. It is concluded that PCA could be useful in attenuation of MGO-induced cell damage and the possible mechanism is involved in modulating AGEs-receptor of AGEs axis in human lens epithelial cells, which suggests that PCA has a potential protective effect on diabetic cataract.
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