期刊
CELLULAR AND MOLECULAR NEUROBIOLOGY
卷 37, 期 3, 页码 499-509出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10571-016-0387-7
关键词
MDCQA; Caffeoylquinic acid; Neuroprotection; ROS; SH-SY5Y
资金
- National Science and Technology Major Project, People's Republic of China [2014ZX09J14101-05C]
Oxidative stress has been confirmed as a contribution to the pathogenesis and pathophysiology of many neurological disorders such as Alzheimer's disease and Parkinson's disease. Caffeoylquinic acids (CQAs) are considered to have anti-oxidative stress ability in a previous study, but the structure-activity relationships (SARs) of CQAs in neuroprotective effects are still unclear. In the present study, we primarily expound the SARs of CQAs in counteracting H2O2-induced injury in SH-SY5Y cells. We found that CQAs (1-10) represented the protection of SH-SY5Y cells against H2O2-induced injury in varying degrees and malonyl groups could obviously increase the anti-oxidative stress ability of CQAs. Intensive studies of 4,5-O-dicaffeoyl-1-O-(malic acid methyl ester)-quinic acid (MDCQA) indicated that the mechanisms could potentially involve activation of endogenous antioxidant enzymes and the regulation of the phosphorylation of MAPKs and AKT. In conclusion, MDCQA could serve as a neuroprotective agent with a potential to attenuate oxidative stress.
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