Cellular and molecular mechanisms underlying cardiovascular aging

Sen-Yu Zhang1, Yu-Hang Yang1, Ri Wen1

  • 1Department of Pediatrics, PICU, Shengjing Hospital of China Medical University, No. 36, SanHao Street, Shenyang City, 110004, Liaoning Province, China.

PubMed

Insights

Aging accelerates cardiovascular diseases through molecular changes like senescence. Emerging therapies targeting these aging pathways offer hope for preventing heart conditions and reducing mortality.

Area of Science:

  • Cardiovascular Science
  • Gerontology
  • Molecular Biology

Background:

  • Aging is a major risk factor for cardiovascular diseases (CVDs), increasing global mortality and healthcare costs.
  • Aging-related molecular and cellular changes, including genomic instability, telomere shortening, and loss of proteostasis, contribute to CVD pathogenesis.
  • Key mechanisms in cardiovascular aging involve cellular senescence, inflammation, mitochondrial dysfunction, and metabolic disturbances.

Purpose of the Study:

  • To review the molecular and cellular mechanisms underlying cardiovascular aging.
  • To explore the role of senescence and inflammation in accelerating age-related cardiovascular pathology.
  • To discuss emerging therapeutic strategies for mitigating cardiovascular aging.

Main Methods:

  • Literature review of recent insights into molecular and cellular mechanisms of cardiovascular aging.
  • Analysis of the role of cellular and vascular senescence in CVD development.
  • Examination of emerging therapeutic targets and strategies.

Main Results:

  • Aging-associated molecular alterations are fundamental to the pathogenesis of heart failure, arrhythmia, cardiomyopathy, myocardial infarction, and atherosclerosis.
  • Cellular and vascular senescence significantly exacerbate the progression of age-related cardiovascular diseases.
  • Therapeutic interventions targeting metabolic regulation, senescence, oxidative stress, and utilizing regenerative medicine show promise.

Conclusions:

  • Understanding the molecular underpinnings of cardiovascular aging is crucial for developing effective interventions.
  • Targeting senescence, inflammation, and metabolic dysfunction presents viable therapeutic avenues for cardiovascular aging.
  • Emerging strategies offer potential to mitigate cardiovascular pathology and improve outcomes in aging populations.

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