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Genetic polymorphisms and plasma levels of matrix metalloproteinases and their relationships with developing acute

Sayyed Mohammad Hossein Ghaderian1, Reza Akbarzadeh Najar, Akram Sadat Tabatabaei Panah

  • 1Department of Medical Genetics, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran. sghaderian@yahoo.co.uk

Coronary Artery Disease
|July 10, 2010
PubMed
Abstract

Insights

Genetic variations in matrix metalloproteinase-3 (MMP-3) are linked to acute myocardial infarction (AMI) risk in Iranian patients. MMP-9 gene expression may also influence AMI susceptibility by affecting plasma levels.

Area of Science:

  • Cardiovascular Genetics
  • Molecular Biology
  • Biochemistry

Background:

  • Matrix metalloproteinases (MMPs) are crucial in cardiovascular disease pathogenesis, including atherosclerosis and myocardial infarction (MI).
  • Genetic polymorphisms in MMP genes are implicated as risk factors for cardiovascular diseases.
  • Understanding these genetic associations is vital for predicting disease susceptibility.

Purpose of the Study:

  • To investigate the association between polymorphisms in human MMP-1, MMP-2, MMP-3, and MMP-9 genes and acute myocardial infarction (AMI) in an Iranian population.
  • To explore the relationship between these genetic variations and plasma levels of MMPs.

Main Methods:

  • Genomic DNA was extracted from 400 AMI patients and 200 controls.
  • Specific polymorphisms (-1607 1G/2G MMP-1, -1306 C/T MMP-2, -1171 5A/6A MMP-3, -1562 C/T MMP-9) were genotyped.
  • Plasma MMP levels were measured and analyzed in relation to genotypes.

Main Results:

  • A significant association was found between the MMP-3 '5A' allele/genotype and AMI risk.
  • No significant differences in allele frequencies were observed for MMP-1, MMP-2, and MMP-9 between patients and controls.
  • Plasma levels of MMPs differed significantly between AMI patients and controls, with specific associations noted for MMP-3 and MMP-9 genotypes and their plasma levels.

Conclusions:

  • MMP-3 genotyping may aid in identifying susceptibility to AMI in Iranian patients.
  • MMP-9 gene expression, influencing plasma levels, appears relevant to AMI susceptibility.
  • Further research into MMP genetic variations and their clinical impact is warranted.

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