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Updated: Jul 15, 2026

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PECAM-1/CD31 in infarction and longevity.

Florinda Listì1, Calogero Caruso, Carmela Rita Balistreri

  • 1Gruppo di Studio sull'Immunosenescenza, Dipartimento di Biopatologia e Metodologie Biomediche, Corso Tukory 211, 90134 Palermo, Italy. flisti@unipa.it

Annals of the New York Academy of Sciences
|April 27, 2007
PubMed
Summary

Investigating Platelet Endothelial Cellular Adhesion Molecule-1 (PECAM-1/CD31) gene single nucleotide polymorphisms (SNP) in relation to myocardial infarction (MI) risk, this study found no significant association in an Italian population. These findings suggest PECAM-1/CD31 variants do not confer MI susceptibility in this group.

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Area of Science:

  • Cardiovascular Genetics
  • Molecular Biology
  • Immunology

Background:

  • Inflammation is integral to atherosclerosis pathogenesis, with inflammatory genes as key risk factors.
  • Cellular adhesion molecules mediate inflammatory cell recruitment and transendothelial migration, crucial early steps in atherogenesis.
  • Platelet Endothelial Cellular Adhesion Molecule-1 (PECAM-1/CD31) plays a role in cell migration and has been linked to atherosclerosis development.

Purpose of the Study:

  • To validate previous findings on PECAM-1/CD31 single nucleotide polymorphisms (SNP) and myocardial infarction (MI) risk.
  • To investigate the association of specific PECAM-1/CD31 gene variants with MI susceptibility in a centenarian cohort.
  • To determine if genetic variants linked to MI are absent in individuals predisposed to longevity.

Main Methods:

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  • Analysis of PECAM-1/CD31 gene polymorphisms (Val125Leu, Asn563Ser, Gly670Arg) in patients with MI, healthy controls, and centenarian men.
  • Comparison of SNP frequencies across the studied groups.
  • Utilizing a homogeneous Sicilian population for genetic analysis.

Main Results:

  • Previous findings indicated a higher frequency of the Gly670Arg polymorphism in MI patients, but not Val125Leu or Asn563Ser.
  • No significant differences in the distribution of analyzed PECAM-1/CD31 SNP were observed among male MI patients, male controls, and male centenarians.
  • The genetic background favoring longevity did not exclude alleles associated with MI susceptibility in centenarians.

Conclusions:

  • The studied PECAM-1/CD31 single nucleotide polymorphisms do not appear to confer susceptibility to myocardial infarction in the investigated Italian population.
  • Results do not support a significant role for these specific PECAM-1/CD31 variants in MI risk within this cohort.
  • Further research may be needed to explore other genetic factors influencing MI susceptibility and longevity.