Matrix Gla protein polymorphism rs1800801 associates with recurrence of ischemic stroke

Philipp Hendrix, Nelson Sofoluke, Matthew Adams, Saran Kunaprayoon, Ramin Zand, Amy N Kolinovsky, Thomas N Person, Mudit Gupta, Oded Goren, H Lester Kirchner, Clemens M Schirmer, Natalia S Rost, James E Faber and Christoph J Griessenauer

PLOS ONE, 2020, vol. 15, issue 6, 1-10

Abstract: The MGP single nucleotide polymorphism (SNP) rs1800801 has previously been associated with recurrent ischemic stroke in a Spanish cohort. Here, we tested for association of this SNP with ischemic stroke recurrence in a North American Caucasian cohort. Acute ischemic stroke patients admitted between 10/2009 and 12/2016 at three hospitals within a large healthcare system in the northeastern United States that were enrolled in a healthcare system-wide exome sequencing program were retrospectively reviewed. Patients with recurrent stroke within 1 year after index event were compared to those without recurrence. Of 9,348 suspected acute ischemic strokes admitted between 10/2009 and 12/2016, 1,727 (18.5%) enrolled in the exome-sequencing program. Among those, 1,068 patients had exome sequencing completed and were eligible for inclusion. Recurrent stroke within the first year of stroke was observed in 79 patients (7.4%). In multivariable analysis, stroke prior to the index stroke (OR 9.694, 95% CI 5.793–16.224, p ≤ 0.001), pro-coagulant status (OR = 3.563, 95% CI 1.504–8.443, p = 0.004) and the AA genotype of SNP rs1800801 (OR = 2.408, 95% CI 1.079–4.389, p = 0.004) were independently associated with recurrent stroke within the first year. The AA genotype of the MGP SNP rs1800801 is associated with recurrence within the first year after ischemic stroke in North American Caucasians. Study of stroke subtypes and additional populations will be required to determine if incorporation of allelic status at this SNP into current risk scores improves prediction of recurrent ischemic stroke.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0235122

DOI: 10.1371/journal.pone.0235122

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