A Genetic Variant of miR-34a Contributes to Susceptibility of Ischemic Stroke Among Chinese Population

A Genetic Variant of miR-34a Contributes to Susceptibility of Ischemic Stroke Among Chinese Population Gui-Jiang Wei1,2, Ming-Qing Yuan1, Li-He Jiang1, Yu-Lan Lu3, Chun-Hong Liu3, Hong-Cheng Luo3, Hua-Tuo Huang3, Zong-Quan Qi1* and Ye-Sheng Wei1,2* 1Department of Cell Biology, Medical College of Guangxi University, Nanning, China 2Department of Medical Laboratory, Affiliated Hospital of Guilin Medical University, Guilin, China 3Department of Medical Laboratory, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China miRNAs are small non-coding RNAs modulating gene expression, and variants in miRNA genes are involved in the pathogenesis of ischemic stroke (IS). However, the effect of miR-34a polymorphisms on IS susceptibility has rarely been reported. In the present study, we investigated the association between rs12128240, rs2666433, and rs6577555 of the miR-34a gene and IS susceptibility. Snapshot assay was used to detect miR-34a polymorphisms in 548 IS patients and 560 controls. Relative expression of miR-34a was measured by quantitative real-time PCR. We found that rs2666433 was associated with a significantly increased risk of IS (AA vs. GG: OR = 1.61, 95% CI = 1.05–2.52, P = 0.031; AA vs. GG+GA: OR = 1.58, 95% CI = 1.05–2.45, P = 0.026). For the IS subtypes, rs2666433 was associated with large artery atherosclerosis (AA vs. GG: OR = 2.09, 95% CI = 1.16–3.51, P = 0.007; AA vs. GG+GA: OR = 2.02, 95% CI = 1.15–3....
Source: Frontiers in Physiology - Category: Physiology Source Type: research

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Source: Journal of X-Ray Science and Technology - Category: Radiology Tags: J Xray Sci Technol Source Type: research
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