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E-selectin polymorphism and atherosclerosis: an association study

K Wenzel1, S Felix, F X Kleber

  • 1Department of Internal Medicine I, Charité, Humboldt-University, Berlin, Germany.

Human Molecular Genetics
|November 1, 1994
PubMed
Summary
This summary is machine-generated.

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A genetic variation in E-selectin, an adhesion molecule, is linked to a higher risk of early, severe atherosclerosis. This finding aids in understanding the genetic factors contributing to this cardiovascular disease.

Area of Science:

  • Cardiovascular Genetics
  • Molecular Biology
  • Immunology

Background:

  • Adhesion molecules, including selectins, mediate leukocyte-endothelial interactions.
  • These molecules play a role in the development of atherosclerosis.
  • E-selectin, expressed on activated endothelium, is a key player in these processes.

Purpose of the Study:

  • To investigate DNA polymorphisms in adhesion molecule genes, specifically E-selectin.
  • To analyze the genetic basis of atherosclerosis.
  • To identify genetic markers associated with early-onset severe atherosclerosis.

Main Methods:

  • Screening for DNA polymorphisms in the E-selectin gene.
  • Utilizing polymerase chain reaction (PCR) or sequencing to detect nucleotide substitutions.

Related Experiment Videos

  • Comparing allele frequencies in patient cohorts with atherosclerosis to control populations.

    • Main Results:

    • A specific adenine to cytosine substitution (cDNA position 561) was identified in the E-selectin gene.
    • This substitution results in a serine to arginine amino acid change at position 128.
    • The arginine allele (128-arginine) showed a significantly higher frequency in patients with early severe atherosclerosis (P = 0.02 and P = 0.0025).

    Conclusions:

    • The 128-serine/arginine polymorphism in the E-selectin gene is associated with an increased risk of developing early and severe atherosclerosis.
    • This genetic variant may serve as a biomarker for predicting susceptibility to premature cardiovascular disease.
    • Further research is warranted to elucidate the precise mechanisms linking this polymorphism to atherogenesis.