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Opportunities and Challenges in Stem Cell Aging.

Bagher Larijani1, Najmeh Foroughi-Heravani2, Setareh Alaei3

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Aging is a physiological process linked to diseases. This review explores stem cell senescence mechanisms and rejuvenation strategies for age-related disorders, offering insights into therapeutic alternatives.

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Area of Science:

  • Gerontology and Regenerative Medicine
  • Cellular Biology and Aging Research

Background:

  • Aging is a complex physiological process associated with numerous pathological phenotypes, increasing disease burden.
  • Understanding aging mechanisms is crucial for developing therapeutics for age-related disorders like neurodegenerative and cardiovascular diseases.
  • Stem cell senescence is a key factor in the aging process.

Purpose of the Study:

  • To review the primary mechanisms of senescence in stem cells.
  • To discuss promising rejuvenation strategies targeting these mechanisms.
  • To highlight stem cell models for studying aging and related disorders.

Main Methods:

  • Literature review focusing on recent findings in stem cell senescence and aging.
  • Analysis of underlying pathways including mitochondrial dysfunction and epigenetic alterations.
  • Examination of therapeutic interventions such as pharmaceutical treatments, genetic modification, and cellular reprogramming.

Main Results:

  • Stem cell senescence involves multiple pathways, including mitochondrial dysfunction and genetic/epigenetic changes.
  • Various rejuvenation strategies are being explored, such as drug interventions and cellular reprogramming.
  • Stem cells serve as valuable models for disease and aging research.

Conclusions:

  • Stem cell senescence is a critical area for understanding and combating age-related diseases.
  • Targeting senescence mechanisms offers potential for novel therapeutic interventions.
  • Further research into stem cell models can accelerate the development of anti-aging strategies.