期刊
JOURNAL OF CLINICAL BIOCHEMISTRY AND NUTRITION
卷 48, 期 1, 页码 26-32出版社
JOURNAL CLINICAL BIOCHEMISTRY & NUTRITION
DOI: 10.3164/jcbn.11-005FR
关键词
lipoic acid; dihydrolipoic acid; energy; redox; AMPK; insulin; mitochondria; PGC1 alpha
资金
- NIA [AG016718]
- California Tobacco-Related Disease Research Program [17RT-0171]
The role of R-a-lipoic acid as a cofactor (lipoyllysine) in mitochondrial energy metabolism is well established. Lipoic acid non-covalently bound and exogenously administered to cells or supplemented in the diet is a potent modulator of the cell's redox status. The diversity of beneficial effects of lipoic acid in a variety of tissues can be mechanistically viewed in terms of thiol/disulfide exchange reactions that modulate the environment's redox and energy status. Lipoic acid-driven thiol/disulfide exchange reactions appear critical for the modulation of proteins involved in cell signaling and transcription factors. This review emphasizes the effects of lipoic acid on PI3K and AMPK signaling and related transcriptional pathways that are integrated by PGC-1 alpha, a critical regulator of energy homoestasis. The effects of lipoic acid on the neuronal energy-redox axis are largely reviewed in terms of their outcomes for aging and age-related neurodegenerative diseases.
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