Protective effect and mechanism of SIRT1 under stress-induced vascular senescence

Kexin Wang1, Kejin Tang1, Caixia Liu1

  • 1Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, College of Integrated Traditional Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha 410208, China.

Open Life Sciences
|August 23, 2026
PubMed

Insights

Silent information regulator of transcription 1 (SIRT1) protects against stress-induced vascular senescence, a degenerative process affecting blood vessels. Understanding SIRT1

Area of Science:

  • Cardiovascular Diseases
  • Aging Research
  • Cellular Senescence

Background:

  • Cardiovascular diseases are a major research focus.
  • Stress-induced vascular senescence involves degenerative changes due to oxidative stress, inflammation, and autophagy disorders.
  • Silent information regulator of transcription 1 (SIRT1) is implicated in aging and has protective biological functions.

Purpose of the Study:

  • To investigate the protective effects of SIRT1 on stress-induced vascular senescence.
  • To elucidate the main mechanisms underlying SIRT1's protective role.
  • To provide insights for preventing and treating related diseases.

Main Methods:

  • Literature review focusing on SIRT1 and vascular senescence.
  • Analysis of molecular pathways linking oxidative stress, aging, and SIRT1.
  • Examination of SIRT1's functions in anti-oxidation, anti-inflammation, and anti-apoptosis.

Main Results:

  • SIRT1 exhibits significant protective effects against stress-induced vascular senescence.
  • Key mechanisms involve SIRT1's roles in combating oxidative stress, inflammation, and apoptosis.
  • SIRT1 acts as a crucial link between oxidative stress and the aging process in vasculature.

Conclusions:

  • SIRT1 plays a vital protective role in mitigating stress-induced vascular senescence.
  • Targeting SIRT1 offers a potential therapeutic strategy for cardiovascular diseases associated with vascular aging.
  • Further research into SIRT1 mechanisms can guide the development of novel treatments.