Role of <Emphasis Type="Italic">TLR4</Emphasis> (C1196T) and <Emphasis Type="Italic">CD14</Emphasis> (C-260T) Polymorphisms in Development of Ischemic Stroke,Its Subtypes and Hemorrhagic Stroke |
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Authors: | Satrupa Das Subhash Kaul Akka Jyothy Anjana Munshi |
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Institution: | 1.Institute of Genetics and Hospital for Genetic Diseases,Osmania University,Hyderabad,India;2.Dr. NTR University of Health Sciences,Vijayawada,India;3.Nizam’s Institute of Medical Sciences,Hyderabad,India;4.Centre for Human Genetics and Molecular Medicine, School of Health Sciences,Central University of Punjab,Bathinda,India |
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Abstract: | In the present study, we evaluated the association of TLR4 and CD14 polymorphisms, i.e. C1196T and C-260T, respectively, with ischemic stroke (n = 700), its subtypes and hemorrhagic stroke (n = 300) in a South Indian population from Telangana. The genotypes were determined using PCR–RFLP, and the strength of association between genotypes and stroke was determined by odds ratio with 95% confidence interval (CI) and chi-square analysis. The results revealed a lack of association for TLR4 variant with ischemic stroke and hemorrhagic stroke, although a significant association was observed with the subtypes extracranial large artery (p = 0.008), other determined aetiology (p = 0.03) and undetermined aetiology (p = 0.01). Investigations on the variant of CD14 gene revealed negative association among ischemic stroke patients; however, a significant association was observed for hemorrhagic stroke following dominant and recessive genotypic model (p = 0.05, p = 0.02). Among ischemic stroke subtype, a significant association was observed with intracranial large artery, extracranial large artery, other determined aetiology and undetermined aetiology form of stroke (p < 0.01). Further, analysis of the CD14 variant between the two major stroke types revealed a significant difference in genotype distribution following the co-dominant genotypic model (p = 0.01). |
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