DNA damage response and metabolic disease

Ippei Shimizu1, Yohko Yoshida1, Masayoshi Suda2

  • 1Department of Cardiovascular Biology and Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8510, Japan; Department of Molecular Aging and Cell Biology, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8510, Japan.

Cell Metabolism
|December 3, 2014
PubMed

Insights

DNA damage accumulation contributes to aging and metabolic diseases like diabetes. The DNA damage response impacts metabolic homeostasis through cell death, senescence, and inflammation, affecting organ function and systemic metabolism.

Area of Science:

  • Molecular Biology
  • Gerontology
  • Metabolic Research

Background:

  • DNA damage accumulation is associated with aging and age-related diseases, including diabetes.
  • Progeroid syndromes suggest a role for the DNA damage response (DDR) in metabolic homeostasis regulation.
  • DDR may impair metabolic organ function via cell death or senescence and induce inflammation, disrupting systemic metabolism.

Purpose of the Study:

  • To explore the mechanisms by which the DNA damage response contributes to metabolic dysfunction.
  • To review the interplay between DNA repair pathways and cellular/systemic metabolism.

Main Methods:

  • Literature review of studies on DNA damage, aging, and metabolic diseases.
  • Analysis of research on progeroid syndromes and their implications for metabolic homeostasis.
  • Examination of molecular mechanisms linking DNA repair molecules to metabolic regulation.

Main Results:

  • DNA damage can lead to cell death or senescence, impairing metabolic organ function.
  • Tissue inflammation induced by DNA damage disrupts systemic metabolic homeostasis.
  • Emerging evidence highlights the role of DNA repair molecules in both cellular and systemic metabolism.

Conclusions:

  • The DNA damage response is a significant factor in metabolic dysfunction.
  • Understanding the DDR's role in metabolism is crucial for addressing age-related metabolic diseases.
  • Further research into DNA repair molecules may reveal novel therapeutic targets for metabolic disorders.

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