BACKGROUND AND PURPOSE - Transforming growth factor-β1 (TGF-β1) is an anti-inflammatory cytokine that plays an important role in cerebrovascular pathophysiology with protective activity against ischemia-induced neuronal death. We investigated the association of the polymorphism in TGFB1 with ischemic stroke and vascular dementia. METHODS - Three sequence variants in and around promoter and exons of TGFB1 gene were identified in 30 Koreans. Pro10Leu was selected for association study, and then control subjects (n=207) and patients with ischemic stroke (n=271) and vascular dementia (n=207) were screened. RESULTS - Subjects carrying Leu/Leu were susceptible to both ischemic stroke (odds ratio [OR]=1.63; P<0.05) and vascular dementia (OR=1.88; P<0.01). Analyses with stroke subtypes showed a strong association with small vessel occlusion (SVO, n=110; OR=2.07; P<0.01). Further analysis of SVO data partitioned by gender revealed the female-specific association with Pro10Leu (OR=2.70; P<0.05). CONCLUSIONS - The Pro10Leu of TGFB1 might be a risk factor of ischemic stroke and vascular dementia, especially for SVO in females. © 2006 American Heart Association, Inc.
CITATION STYLE
Kim, Y., & Lee, C. (2006). The gene encoding transforming growth factor β1 confers risk of ischemic stroke and vascular dementia. Stroke, 37(11), 2843–2845. https://doi.org/10.1161/01.STR.0000244782.76917.87
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