Related Experiment Video

Updated: Oct 31, 2025

Quantitative Analysis of Cellular Composition in Advanced Atherosclerotic Lesions of Smooth Muscle Cell Lineage-Tracing Mice
09:06

Quantitative Analysis of Cellular Composition in Advanced Atherosclerotic Lesions of Smooth Muscle Cell Lineage-Tracing Mice

Published on: February 20, 2019

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Promyelocytic leukemia protein: an atherosclerosis suppressor protein?

Cali B Corbett1, Amanda K St Paul1, Michael V Autieri1

  • 1Independence Blue Cross Cardiovascular Research Center Lemole Center for Integrated Lymphatic Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, U.S.A.

Clinical Science (London, England : 1979)
|June 30, 2021
PubMed

Insights

Vascular smooth muscle cells (VSMCs) are key in atherosclerosis. Research shows the tumor suppressor, promyelocytic leukemia protein (PML), regulates VSMC phenotype and inflammatory response, offering a new therapeutic target for this disease.

Area of Science:

  • Cardiovascular Biology
  • Cellular and Molecular Medicine
  • Atherosclerosis Research

Background:

  • Vascular smooth muscle cells (VSMCs) constitute up to 70% of atherosclerotic plaque.
  • VSMC migration, proliferation, and phenotype modulation are critical in atherosclerotic vascular disease development.
  • Novel therapeutic targets are needed to manage atherosclerosis.

Purpose of the Study:

  • To investigate the role of the tumor suppressor, promyelocytic leukemia protein (PML), in regulating VSMC phenotype.
  • To determine PML's involvement in VSMC response to inflammatory stimuli.
  • To explore PML as a potential therapeutic target for atherosclerosis.

Main Methods:

  • The study by Karle et al. examined the function of PML in VSMC.
  • Investigated the impact of PML on VSMC phenotype modulation.
  • Assessed VSMC responses to inflammatory stimuli in the context of PML expression.

Main Results:

  • PML plays a significant role in regulating VSMC phenotype.
  • PML influences VSMC response to inflammatory stimuli.
  • PML was previously unrecognized in atherosclerosis development.

Conclusions:

  • PML is an important regulator of VSMC phenotype and inflammatory response.
  • PML represents a novel therapeutic target for anti-atherosclerotic drug design.
  • Targeting PML may offer new strategies to combat atherosclerotic vascular disease.
Keywords:
PMLSUMOlyationVascular smooth muscle cellatherosclerosis

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