The ICAM-1 E469K gene polymorphism is a risk factor for spontaneous cervical artery dissection

M Longoni1, C Grond-Ginsbach, A J Grau

  • 1Department of Neurology, University of Milano-Bicocca, Monza, Monza, Italy. longonimarco@hotmail.com

Neurology
|April 26, 2006
PubMed

Insights

A specific gene variant, E469K in intercellular adhesion molecule 1 (ICAM-1), is linked to spontaneous cervical artery dissection (sCAD). This finding suggests a proinflammatory genetic predisposition may increase the risk for sCAD.

Area of Science:

  • Genetics
  • Neurology
  • Vascular Biology

Background:

  • Spontaneous cervical artery dissection (sCAD) is a significant cause of stroke in younger adults.
  • The role of genetic factors in sCAD pathogenesis remains incompletely understood.
  • Proinflammatory genetic profiles are being investigated as potential contributors to vascular diseases.

Purpose of the Study:

  • To investigate the association between the E469K polymorphism of intercellular adhesion molecule 1 (ICAM-1) and spontaneous cervical artery dissection (sCAD).
  • To determine if a proinflammatory genetic predisposition is a risk factor for sCAD.

Main Methods:

  • A primary study identified a high representation of the ICAM-1 E469K polymorphism in sCAD patients.
  • A second cohort of 65 sCAD patients was recruited for further investigation.
  • Statistical analysis, including odds ratio calculation, was performed to assess the association.

Main Results:

  • The ICAM-1 E469K polymorphism was significantly associated with sCAD.
  • Patients with the EE genotype showed a 3.16-fold increased odds of sCAD (p < 0.01).

Conclusions:

  • The study confirms a significant association between the ICAM-1 E469K polymorphism and sCAD.
  • A proinflammatory genetic predisposition, indicated by this polymorphism, is identified as a risk factor for spontaneous cervical artery dissection.