Senolytics for Cancer Therapy: Is All That Glitters Really Gold?

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Valerie J Carpenter1,2, Tareq Saleh3, David A Gewirtz1,2

  • 1Department of Pharmacology and Toxicology and Medicine, School of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA.

Cancers
|February 13, 2021
PubMed

Insights

Senolytics eliminate senescent cells, offering promise as cancer therapy adjuvants. Further research is needed to address senolytic universality, selectivity, resistance, and toxicity for improved clinical application.

Area of Science:

  • Oncology
  • Gerontology
  • Pharmacology

Background:

  • Senescent cells accumulate in tumors and aging tissues.
  • Senolytics are drugs that selectively eliminate senescent cells.
  • Senolytics are being investigated as adjuncts to cancer therapies.

Purpose of the Study:

  • To review preclinical literature on senolytics in senescent tumor cells.
  • To identify challenges including universality, selectivity, resistance, and toxicity.
  • To propose solutions and future research directions for senolytic drug development.

Main Methods:

  • Systematic review of preclinical studies.
  • Analysis of senolytic mechanisms and efficacy in tumor models.
  • Literature synthesis on senolytic challenges and potential solutions.

Main Results:

  • Senolytics demonstrate potential in eliminating senescent tumor cells.
  • Significant challenges remain regarding senolytic drug universality, selectivity, resistance, and toxicity.
  • Preclinical data highlight the need for further investigation into senolytic applications.

Conclusions:

  • Senolytics hold promise as a novel cancer therapeutic strategy.
  • Addressing current limitations is crucial for advancing senolytics into clinical practice.
  • Future research should focus on optimizing senolytic efficacy and safety profiles.
Keywords:
ABT-263adjuvantcancerchemotherapydormancynavitoclaxrecurrencesenescencesenolytic

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