Identification of genetic risk factors associated with ischaemic stroke in young Mexican patients

Translated title of the contribution: Identification of genetic risk factors associated with ischaemic stroke in young Mexican patients

M. C. Jiménez-González, D. Santiago-Germán, E. F. Castillo-Henkel, J. A. Alvarado-Moreno, J. Hernández-Juárez, A. Leaños-Miranda, A. Majluf-Cruz, I. Isordia-Salas

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Introduction: Numerous polymorphisms in candidate genes coding for haemostatic system proteins have been proposed as risk factors for thrombosis. Methods: We performed a case-control study of consecutive ischaemic stroke survivors aged ≤ 45 years, treated at our neurology department from 2006 to 2014. Polymerase chain reaction–restriction fragment length polymorphism identified the following polymorphisms: Thr325Ile and Ala147Thr in TAFI, 4G/5G in PAI-1, PLA1/A2 in platelet glycoprotein IIb/IIIa, Glu298Asp in eNOS, and C677T in 5,10-MTHFR. A multivariate logistic regression analysis was performed to evaluate the independent risk of stroke. Results: 204 cases and 204 age- and sex-matched controls were included in the study. Clinical and genetic variables associated with ischaemic stroke were hypertension (P =.03), tobacco use (P =.02), and the polymorphisms Glu298Asp (genotype: P =.001, allele frequency: P =.001) and C677T (genotype: P =.01); the Ala147Thr, Thr325IIe, 4G/5G, and PLA1/A2 mutations were not associated with ischaemic stroke. The 298Asp (P =.03) and T (P =.01) alleles, hypertension (P =.03), tobacco use (P =.01) and family history of stroke (P =.04) were identified as independent risk factors. Conclusions: The polymorphisms Glu298Asp and C677T, affecting the eNOS and 5,10-MTHFR enzymes, respectively, and smoking, hypertension, and family history of stroke were associated with ischaemic stroke in young Mexican patients; this was not the case for the Thr325Ile, Ala147Thr, 4G/5G, and PLA1/A2 polymorphisms of the genes coding for fibrinolytic proteins and platelet receptors.

Translated title of the contributionIdentification of genetic risk factors associated with ischaemic stroke in young Mexican patients
Original languageEnglish
Pages (from-to)337-345
Number of pages9
JournalNeurologia
Volume36
Issue number5
DOIs
StatePublished - Jun 2021

Keywords

  • 5,10-MTHFR
  • Ischaemic stroke
  • PAI-1
  • PG IIb/IIIa
  • TAFI
  • eNOS

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