Detailed analysis of gene polymorphisms associated with ischemic stroke in South Asians.

The burden of stroke is disproportionately high in the South Asian subcontinent with South Asian ethnicity conferring a greater risk of ischemic stroke than European ancestry regardless of country inhabited. While genes associated with stroke in European populations have been investigated, they rema...

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Autores principales:	Sunaina Yadav, Nazeeha Hasan, Thomas Marjot, Muhammad S Khan, Kameshwar Prasad, Paul Bentley, Pankaj Sharma
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2013
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/823afd1e0a38407d9708779ca12c8487
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spelling	oai:doaj.org-article:823afd1e0a38407d9708779ca12c84872021-11-18T07:54:28ZDetailed analysis of gene polymorphisms associated with ischemic stroke in South Asians.1932-620310.1371/journal.pone.0057305https://doaj.org/article/823afd1e0a38407d9708779ca12c84872013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23505425/?tool=EBIhttps://doaj.org/toc/1932-6203The burden of stroke is disproportionately high in the South Asian subcontinent with South Asian ethnicity conferring a greater risk of ischemic stroke than European ancestry regardless of country inhabited. While genes associated with stroke in European populations have been investigated, they remain largely unknown in South Asians. We conducted a comprehensive meta-analysis of known genetic polymorphisms associated with South Asian ischemic stroke, and compared effect size of the MTHFR C677T-stroke association with effect sizes predicted from homocysteine-stroke association. Electronic databases were searched up to August 2012 for published case control studies investigating genetic polymorphisms associated with ischemic stroke in South Asians. Pooled odds ratios (OR) for each gene-disease association were calculated using a random-effects model. We identified 26 studies (approximately 2529 stroke cases and 2881 controls) interrogating 33 independent genetic polymorphisms in 22 genes. Ten studies described MTHFR C677T (108 with TT genotype and 2018 with CC genotype) -homocysteine relationship and six studies (735 stroke cases and 713 controls) described homocysteine-ischemic stroke relationship. Risk association ORs were calculated for ACE I/D (OR 5.00; 95% CI, 1.17-21.37; p = 0.03), PDE4D SNP 83 (OR 2.20; 95% CI 1.21-3.99; p = 0.01), PDE4D SNP 32 (OR 1.57; 95% CI 1.01-2.45, p = 0.045) and IL10 G1082A (OR 1.44; 95% CI, 1.09-1.91, p = 0.01). Significant association was observed between elevated plasma homocysteine levels and MTHFR/677 TT genotypes in healthy South Asians (Mean difference (ΔX) 5.18 µmol/L; 95% CI 2.03-8.34: p = 0.001). Our results demonstrate that the genetic etiology of ischemic stroke in South Asians is broadly similar to the risk conferred in Europeans, although the dataset is considerably smaller and warrants the same clinical considerations for risk profiling.Sunaina YadavNazeeha HasanThomas MarjotMuhammad S KhanKameshwar PrasadPaul BentleyPankaj SharmaPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 3, p e57305 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Sunaina Yadav Nazeeha Hasan Thomas Marjot Muhammad S Khan Kameshwar Prasad Paul Bentley Pankaj Sharma Detailed analysis of gene polymorphisms associated with ischemic stroke in South Asians.
description	The burden of stroke is disproportionately high in the South Asian subcontinent with South Asian ethnicity conferring a greater risk of ischemic stroke than European ancestry regardless of country inhabited. While genes associated with stroke in European populations have been investigated, they remain largely unknown in South Asians. We conducted a comprehensive meta-analysis of known genetic polymorphisms associated with South Asian ischemic stroke, and compared effect size of the MTHFR C677T-stroke association with effect sizes predicted from homocysteine-stroke association. Electronic databases were searched up to August 2012 for published case control studies investigating genetic polymorphisms associated with ischemic stroke in South Asians. Pooled odds ratios (OR) for each gene-disease association were calculated using a random-effects model. We identified 26 studies (approximately 2529 stroke cases and 2881 controls) interrogating 33 independent genetic polymorphisms in 22 genes. Ten studies described MTHFR C677T (108 with TT genotype and 2018 with CC genotype) -homocysteine relationship and six studies (735 stroke cases and 713 controls) described homocysteine-ischemic stroke relationship. Risk association ORs were calculated for ACE I/D (OR 5.00; 95% CI, 1.17-21.37; p = 0.03), PDE4D SNP 83 (OR 2.20; 95% CI 1.21-3.99; p = 0.01), PDE4D SNP 32 (OR 1.57; 95% CI 1.01-2.45, p = 0.045) and IL10 G1082A (OR 1.44; 95% CI, 1.09-1.91, p = 0.01). Significant association was observed between elevated plasma homocysteine levels and MTHFR/677 TT genotypes in healthy South Asians (Mean difference (ΔX) 5.18 µmol/L; 95% CI 2.03-8.34: p = 0.001). Our results demonstrate that the genetic etiology of ischemic stroke in South Asians is broadly similar to the risk conferred in Europeans, although the dataset is considerably smaller and warrants the same clinical considerations for risk profiling.
format	article
author	Sunaina Yadav Nazeeha Hasan Thomas Marjot Muhammad S Khan Kameshwar Prasad Paul Bentley Pankaj Sharma
author_facet	Sunaina Yadav Nazeeha Hasan Thomas Marjot Muhammad S Khan Kameshwar Prasad Paul Bentley Pankaj Sharma
author_sort	Sunaina Yadav
title	Detailed analysis of gene polymorphisms associated with ischemic stroke in South Asians.
title_short	Detailed analysis of gene polymorphisms associated with ischemic stroke in South Asians.
title_full	Detailed analysis of gene polymorphisms associated with ischemic stroke in South Asians.
title_fullStr	Detailed analysis of gene polymorphisms associated with ischemic stroke in South Asians.
title_full_unstemmed	Detailed analysis of gene polymorphisms associated with ischemic stroke in South Asians.
title_sort	detailed analysis of gene polymorphisms associated with ischemic stroke in south asians.
publisher	Public Library of Science (PLoS)
publishDate	2013
url	https://doaj.org/article/823afd1e0a38407d9708779ca12c8487
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Detailed analysis of gene polymorphisms associated with ischemic stroke in South Asians.

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