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Multi-Omics Interpretation of Anti-Aging Mechanisms for ω-3 Fatty Acids

Shu-Hui Xie1, Hui Li1, Jing-Jing Jiang1

  • 1College of Informatics, Huazhong Agricultural University, Wuhan 430070, China.

Genes
|November 27, 2021
PubMed

Insights

Omega-3 fatty acids may slow aging by influencing gene expression and the gut microbiome. These findings support omega-3 supplementation for aging prevention.

Area of Science:

  • Biomedicine
  • Nutritional Science
  • Genomics

Background:

  • Aging is a significant area of biomedical research.
  • Omega-3 fatty acids are suggested to have anti-aging properties.
  • The precise anti-aging mechanisms of omega-3 fatty acids require further elucidation.

Purpose of the Study:

  • To investigate the anti-aging mechanisms of omega-3 fatty acids using multi-omics data.
  • To explore the relationship between omega-3 fatty acids, gene expression, and age-related pathways.
  • To determine the role of the gut microbiome in mediating the effects of omega-3 fatty acids on aging.

Main Methods:

  • Analysis of multi-omics data related to omega-3 fatty acids.
  • Examination of gene methylation and expression levels associated with aging.
  • Mendelian randomization analysis to assess causality between omega-3s, blood lipids, and gut microbiome variation.

Main Results:

  • Omega-3 fatty acids impact gene methylation and expression linked to aging.
  • A causal relationship exists between omega-3s, blood lipids, and gut microbiome composition.
  • The gut microbiome, including specific bacteria like Actinobacteria, Bifidobacteria, and Streptococcus, partially mediates the anti-aging effects of omega-3s.

Conclusions:

  • This study offers novel insights into how omega-3 fatty acids combat aging.
  • The gut microbiome plays a role in the anti-aging mechanisms of omega-3 fatty acids.
  • Dietary supplementation with omega-3 fatty acids is supported as a strategy for aging prevention.
Keywords:
Mendelian randomizationaginggut microbiomemethylationω-3 fatty acids

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