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Dysfunctional HDL takes its Toll on the endothelial glycocalyx

Matthew J Butler1

  • 1Bristol Renal, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK.

Kidney International
|February 24, 2020
PubMed

Insights

Patients with end-stage renal disease develop dysfunctional high-density lipoprotein cholesterol, leading to endothelial glycocalyx degradation. This novel finding links kidney failure to cardiovascular disease by identifying an early molecular insult.

Area of Science:

  • Cardiovascular Science
  • Nephrology
  • Molecular Biology

Background:

  • End-stage renal disease (ESRD) patients face elevated cardiovascular disease (CVD) mortality.
  • Traditional CVD risk factors do not fully explain this heightened risk.

Purpose of the Study:

  • To investigate the role of dysfunctional high-density lipoprotein cholesterol (HDL-C) in ESRD-related CVD.
  • To explore the link between ESRD, HDL-C dysfunction, and endothelial glycocalyx integrity.

Main Methods:

  • The study by Hesse et al. proposes a mechanism involving HDL-C generated in ESRD patients.
  • This dysfunctional HDL-C is suggested to impact the endothelial glycocalyx.

Main Results:

  • Dysfunctional HDL-C in ESRD patients is implicated in endothelial glycocalyx degradation.
  • Glycocalyx degradation is identified as a potential early step in atheroma formation.

Conclusions:

  • Dysfunctional HDL-C in ESRD patients contributes to endothelial damage.
  • This research proposes a novel pathway connecting renal failure to cardiovascular pathology via glycocalyx degradation.

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