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Article Publish Status: FREE
Abstract Title:

Neuroprotective Effects of Biochanin A againstβ-Amyloid-Induced Neurotoxicity in PC12 Cells via a Mitochondrial-Dependent Apoptosis Pathway.

Abstract Source:

Molecules. 2016 Apr 25 ;21(5). Epub 2016 Apr 25. PMID: 27120593

Abstract Author(s):

Ji Wei Tan, Min Kyu Kim

Article Affiliation:

Ji Wei Tan

Abstract:

Alzheimer's disease is considered one of the major neurodegenerative diseases and is characterized by the production ofβ-amyloid (Aβ) proteins and progressive loss of neurons. Biochanin A, a phytoestrogen compound found mainly in Trifolium pratense, was used in the present study as a potential alternative to estrogen replacement therapy via the investigation of its neuroprotective effects against Aβ25-35-inducedtoxicity, as well as of its potential mechanisms of action in PC12 cells. Exposure of these cells to the Aβ25-35 protein significantly increased cell viability loss and apoptosis. However, the effects induced by Aβ25-35 were markedly reversed in the present of biochanin A. Pretreatment with biochanin A attenuated the cytotoxic effect of the Aβ25-35 protein by decreasing viability loss, LDH release, and caspase activity in cells. Moreover, we found that expression of cytochrome c and Puma were reduced, alongside with the restoration of Bcl-2/Bax and Bcl-xL/Bax ratio in the presence of biochanin A, which led to a decrease in the apoptotic rate. These data demonstrate that mitochondria are involved in the protective effect of biochanin A against Aβ25-35 and that this drug attenuated Aβ25-35-induced PC12 cell injury and apoptosis by preventing mitochondrial dysfunction. Thus, biochaninA might raise a possibility as a potential therapeutic agent for Alzheimer's disease and other related neurodegenerative diseases.

Study Type : In Vitro Study

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