The CREscendoing promise of HDAC targeting to limit atherosclerosis

Máté G Kiss1, Christoph J Binder1

  • 1Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria.

Immunity
|March 12, 2025
PubMed

Insights

Genetic variants in a cis-regulatory element (CRE) influence atherosclerosis inflammation. This study reveals that histone deacetylase 9 (HDAC9) deacetylation of NLRP3 is a key mechanism linking CRE variants to inflammatory processes in atherosclerosis.

Area of Science:

  • Cardiovascular Biology
  • Immunology
  • Genetics

Background:

  • The inflammatory response in atherosclerosis is not fully understood.
  • Genetic factors influencing atherosclerosis risk require further investigation.

Purpose of the Study:

  • To investigate the role of a specific cis-regulatory element (CRE) in controlling HDAC9 expression.
  • To elucidate the mechanism by which genetic variants in this CRE impact human atherosclerosis-associated inflammation.

Main Methods:

  • Analysis of a conserved cis-regulatory element (CRE) affecting HDAC9 expression.
  • Investigation of HDAC9's role in NLRP3 deacetylation.
  • Correlation of genetic variants with inflammatory processes in atherosclerosis.

Main Results:

  • A conserved CRE significantly impacts HDAC9 expression.
  • HDAC9 mediates the deacetylation of NLRP3.
  • This HDAC9-mediated deacetylation is a potential mechanism linking CRE variants to atherosclerosis inflammation.

Conclusions:

  • Genetic variants within a conserved CRE influence atherosclerosis by modulating HDAC9 expression.
  • HDAC9-dependent NLRP3 deacetylation is identified as a key mechanism in atherosclerosis-related inflammation.