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Single Nuclei Isolation from Coronary Endarterectomy Tissue of Coronary Artery Bypass Graft Patients
Published on: April 3, 2026
Risky communication in atherosclerosis and thrombus formation
Merlijn J P M T Meens1, Anna Pfenniger, Brenda R Kwak
1Department of Pathology and Immunology, University of Geneva, Switzerland.
Swiss Medical Weekly
|April 7, 2012
Summary
A specific genetic variation in the GJA4 gene, linked to connexin37 (Cx37), increases the risk of atherosclerosis and heart attack. This review explores how this GJA4 single nucleotide polymorphism (SNP) contributes to arterial disease.
Area of Science:
- Cardiovascular Science
- Genetics
- Molecular Biology
Background:
- Atherosclerosis is a leading cause of death globally, characterized by arterial wall lesions involving lipid and cell accumulation.
- Risk factors include lifestyle choices and genetic predispositions.
- A single nucleotide polymorphism (SNP) in the GJA4 gene, encoding connexin37 (Cx37), is associated with increased atherosclerosis risk.
Purpose of the Study:
- To review current evidence linking the GJA4 SNP to atherosclerosis.
- To discuss mechanisms connecting the GJA4 SNP to thrombus formation after plaque rupture.
Main Methods:
- Literature review of epidemiological studies and mechanistic research.
- Analysis of the functional impact of the GJA4 SNP on Cx37 protein.
Main Results:
- The GJA4 SNP results in a proline-to-serine substitution in Cx37's C-terminus.
- This alteration affects the regulatory properties of Cx37 gap junctions and hemi-channels.
- Evidence suggests a link between this SNP and atherosclerosis development and plaque instability.
Conclusions:
- The GJA4 SNP is a significant genetic risk factor for atherosclerosis.
- Understanding the molecular mechanisms is crucial for developing targeted therapies.
- Further research is needed to fully elucidate the role of Cx37 dysfunction in cardiovascular disease.
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