Plasminogen activator inhibitor-1 in aging

Koji Yamamoto1, Kyosuke Takeshita2, Hidehiko Saito3

  • 1Department of Transfusion Medicine, Nagoya University Hospital, Nagoya, Japan.

Insights

Plasminogen activator inhibitor-1 (PAI-1) is elevated in aging and associated diseases. This review highlights PAI-1

Area of Science:

  • Biomedical Science
  • Pathophysiology
  • Aging Research

Background:

  • Plasminogen activator inhibitor-1 (PAI-1) is a key inhibitor of fibrinolysis.
  • PAI-1 levels increase in thrombotic, fibrotic, and cardiovascular diseases, common in older adults.
  • Elevated PAI-1 is linked to aging pathologies like infarction, atherosclerosis, fibrosis, and metabolic syndromes.

Purpose of the Study:

  • To review the role of PAI-1 in the pathophysiology of aging.
  • To highlight PAI-1's contribution to aging-associated disorders.
  • To discuss PAI-1 as a marker of senescence and the senescence-messaging secretome.

Main Methods:

  • Literature review of studies on PAI-1 and aging.
  • Analysis of PAI-1's function in fibrinolysis and extracellular matrix degradation.
  • Examination of PAI-1 expression in aged individuals and related diseases.

Main Results:

  • PAI-1 expression is significantly upregulated in aged individuals.
  • PAI-1 is implicated in various aging-associated pathologies, including cardiovascular events and fibrosis.
  • PAI-1 is recognized as a marker of cellular senescence.

Conclusions:

  • PAI-1 plays a critical role in the development of aging-associated pathological changes.
  • Understanding PAI-1's role is crucial for addressing age-related diseases.
  • PAI-1 is a significant factor in the aging process and associated health conditions.

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