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Strategies to reverse endothelial progenitor cell dysfunction in diabetes

Alessandra Petrelli1, Raffaele Di Fenza, Michele Carvello

  • 1Transplantation Research Center (TRC), Nephrology Division, Children's Hospital and Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.

Experimental Diabetes Research
|April 5, 2012
PubMed

Insights

Endothelial progenitor cells (EPCs) are crucial for blood vessel repair. Diabetes impairs EPC function, affecting their mobilization, trafficking, and differentiation, leading to complications. Strategies to restore EPC function may prevent diabetic vascular damage.

Area of Science:

  • Cardiovascular Biology
  • Endocrinology
  • Regenerative Medicine

Background:

  • Bone-marrow-derived cells mediate postnatal vasculogenesis and regulate vascular homeostasis.
  • Endothelial progenitor cells (EPCs) possess stem-like and endothelial properties, aiding in vessel repair and incorporation.
  • Diabetes mellitus is associated with endothelial progenitor cell dysfunction, contributing to vascular complications.

Purpose of the Study:

  • To review the mechanisms underlying diabetes-related endothelial progenitor cell dysfunction.
  • To highlight the impact of hyperglycemia on EPC lifecycle stages.
  • To discuss preclinical and clinical strategies for restoring EPC function and preventing diabetic complications.

Main Methods:

  • Literature review of studies on endothelial progenitor cells and diabetes.
  • Analysis of mechanisms by which hyperglycemia affects EPCs.
  • Synthesis of findings on therapeutic strategies targeting EPCs.

Main Results:

  • Hyperglycemia impairs EPCs at multiple life stages: bone marrow mobilization, bloodstream trafficking, endothelial differentiation, and tissue homing.
  • Dysfunctional EPCs contribute to the pathogenesis of diabetic micro- and macroangiopathy.
  • Preclinical and clinical studies show potential for interventions to reverse EPC dysfunction.

Conclusions:

  • Diabetes-induced endothelial progenitor cell dysfunction is a key factor in diabetic vascular complications.
  • Targeting EPC dysfunction offers a promising therapeutic avenue for managing diabetes.
  • Further research and clinical trials are needed to validate strategies aimed at restoring EPC function.

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