期刊
FOOD & FUNCTION
卷 8, 期 8, 页码 2924-2934出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7fo00659d
关键词
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资金
- National Natural Science Foundation of China
- National Basic Research Program of China (973 Program) [2013CB127106]
Chlorogenic acid (CGA), a major polyphenolic component of many plants, displays antioxidant and neuroprotective properties in neurodegenerative diseases. To investigate whether CGA may influence aluminium (Al) induced cytotoxicity, aluminium chloride (50 mu M Al) was administered in primary hippocampal neuronal cells presupplemented with CGA (10, 50 and 100 mu M). Our study shows that the exposure to Al caused cell death, Al3+ accumulation, reactive oxygen species generation and mitochondrial damage in cells. The administration of CGA (50 mu M) increased cell viability by 37.5%, decreased the levels of Al3+ by 26.0%, together with significantly weakening the oxidative damage compared with Al treatment alone. CGA protected neurons against Al-induced oxidative stress by increasing the expression of nuclear factor-E2-related factor 2 and its target phase 2 enzymes. The administration of CGA remarkably promoted the activities of superoxide dismutase, catalase, glutathione peroxidase, glutathione S-transferase, creatine kinase and acetylcholinesterase and attenuated the rate of ATP hydrolysis. Our finding shows that CGA has neuroprotective effects against Al-induced cytotoxicity by chelation and antioxidant activation.
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