MicroRNAs; easy and potent targets in optimizing therapeutic methods in reparative angiogenesis

Fatemeh Pourrajab1,2, Abbas Vakili Zarch1, Seyedhossein Hekmatimoghaddam3

  • 1School of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.

Insights

Tissue aging (senescence) reduces blood vessel formation and worsens atherosclerosis, impacting recovery from ischemia. MicroRNAs (miRNAs) are key regulators, offering potential therapeutic targets for improving blood flow and aiding stem cell therapies.

Area of Science:

  • Molecular Biology
  • Gerontology
  • Cardiovascular Research

Background:

  • Age-related tissue senescence is linked to reduced angiogenesis and increased atherosclerosis.
  • Tissue senescence impairs repair processes and promotes atherogenesis, complicating ischemic diseases.
  • MicroRNAs (miRNAs) are implicated as critical regulators of cellular events in senescence.

Purpose of the Study:

  • To explore the role of microRNAs (miRNAs) in age-related tissue senescence and its impact on ischemic diseases.
  • To identify miRNAs as potential therapeutic targets for enhancing blood flow recovery in ischemic areas.
  • To establish the significance of understanding miRNA changes in adult tissues for effective ischemia therapy.

Main Methods:

  • Review of evidence implicating microRNAs in cellular senescence and tissue repair.
  • Analysis of the dual role of tissue senescence in diminishing repair and promoting atherogenesis.
  • Exploration of miRNA profiles in adult tissues as a prerequisite for therapeutic strategies.

Main Results:

  • Tissue senescence acts as a double-edged sword, hindering repair while promoting atherosclerosis.
  • MicroRNAs are identified as key molecular switches governing cellular events in senescence.
  • miRNAs present promising targets for optimizing therapeutic interventions for ischemia.

Conclusions:

  • Understanding characteristic miRNA changes in adult tissues is crucial for developing effective ischemia therapies.
  • MicroRNAs offer novel targets for improving blood flow recovery to ischemic regions.
  • miRNA-based approaches may serve as a preliminary phase in stem cell-based therapies for ischemic conditions.