Senotherapy: Implications for Transplantation

Martin Jaros1,2, Anette Melk1,3

  • 1Interdisciplinary Transplantation, Children's Hospital, Hannover Medical School, Hannover, Germany.

Transplantation
|January 31, 2025
PubMed

Insights

Cellular senescence drives aging and disease. Senotherapeutic drugs, like senolytics and senomorphics, target these cells to improve organ function and reduce age-related pathologies, showing promise in transplantation.

Area of Science:

  • Gerontology and Regenerative Medicine
  • Cell Biology and Molecular Medicine
  • Transplantation Science

Background:

  • Cellular senescence is implicated in age-related organ dysfunction and disease.
  • Targeting senescent cells shows potential to counteract aging effects and restore repair capacity.
  • Senolysis, the elimination of senescent cells, is a promising strategy for age-related pathologies.

Purpose of the Study:

  • To review senotherapeutic approaches and their mechanisms of action.
  • To explore the application of senotherapies in organ transplantation.
  • To discuss how pre-transplant conditioning can mitigate senescence in donor organs.

Main Methods:

  • Discussion of senolytic drugs that induce apoptosis in senescent cells.
  • Explanation of senomorphic drugs that modulate the inflammatory profile of senescent cells.
  • Analysis of senescent cell clearance in the context of immunosuppression during transplantation.

Main Results:

  • Senolytics selectively eliminate senescent cells, while senomorphics modify their inflammatory secretions.
  • Reduced natural clearance of senescent cells may occur in transplant recipients due to immunosuppression.
  • Pre-conditioning donor organs can reduce senescence accumulation, potentially improving transplant outcomes.

Conclusions:

  • Senotherapeutics offer novel strategies to combat age-related diseases by targeting cellular senescence.
  • Senotherapies hold significant potential for application in organ transplantation to improve graft function and recipient health.
  • Interfering with senescence in donor organs before transplantation may reduce the burden of comorbidities in recipients.