Docetaxel as a Model Compound to Promote HDL (High-Density Lipoprotein) Biogenesis and Reduce Atherosclerosis

Hong Y Choi1, Iulia Iatan2, Isabelle Ruel1

  • 1Research Institute of the McGill University Health Centre, Montréal, Québec, Canada (H.Y.C., I.R., L.B., J.G.).

Insights

Desmocollin 1 (DSC1) negatively regulates high-density lipoprotein (HDL) biogenesis. Inhibiting DSC1 with docetaxel may promote HDL biogenesis and reduce atherosclerosis, offering a new therapeutic strategy.

Area of Science:

  • Cardiovascular Biology
  • Molecular Medicine
  • Drug Discovery

Background:

  • High-density lipoprotein (HDL) biogenesis is linked to reduced atherosclerosis.
  • The cell-surface protein desmocollin 1 (DSC1) has been identified as a negative regulator of HDL biogenesis.
  • DSC1's function suggests it is a druggable target for promoting HDL biogenesis.

Purpose of the Study:

  • To explore the potential of targeting DSC1 for HDL biogenesis promotion.
  • To investigate docetaxel as a DSC1 inhibitor for atherosclerosis treatment.
  • To evaluate the hypothesis that HDL biogenesis reduces atherosclerosis.

Main Methods:

  • Review of existing literature on DSC1, HDL biogenesis, and docetaxel.
  • Analysis of DSC1's role in apolipoprotein A-I sequestration.
  • Examination of docetaxel's effects on HDL biogenesis and vascular smooth muscle cell proliferation.

Main Results:

  • Docetaxel, an FDA-approved chemotherapy drug, promotes HDL biogenesis at low-nanomolar concentrations.
  • Docetaxel inhibits atherogenic proliferation of vascular smooth muscle cells.
  • Animal studies demonstrate docetaxel reduces dyslipidemia-induced atherosclerosis.

Conclusions:

  • DSC1 represents a novel therapeutic target for promoting HDL biogenesis.
  • Docetaxel serves as a model compound to validate DSC1 as a target for atherosclerosis prevention and treatment.
  • Further research is warranted to explore the clinical application of DSC1-targeting therapies.

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