期刊
PROTEOMICS
卷 20, 期 5-6, 页码 -出版社
WILEY
DOI: 10.1002/pmic.201800407
关键词
aging; hub metabolites; metabolomics
资金
- NIA NIH HHS [R01 AG057353] Funding Source: Medline
- NIH HHS [R01AG057353] Funding Source: Medline
Aging biology is intimately associated with dysregulated metabolism, which is one of the hallmarks of aging. Aging-related pathways such as mTOR and AMPK, which are major targets of anti-aging interventions including rapamcyin, metformin, and exercise, either directly regulate or intersect with metabolic pathways. In this review, numerous candidate bio-markers of aging that have emerged using metabolomics are outlined. Metabolomics studies also reveal that not all metabolites are created equally. A set of core hub metabolites are emerging as central mediators of aging. The hub metabolites reviewed here are nicotinamide adenine dinucleotide, reduced nicotinamide dinucleotide phosphate, alpha-ketoglutarate, and beta-hydroxybutyrate. These hub metabolites have signaling and epigenetic roles along with their canonical roles as co-factors or intermediates of carbon metabolism. Together these hub metabolites suggest a central role of the TCA cycle in signaling and metabolic dysregulation associated with aging.
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