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Medicine (Baltimore). 2019 Nov;98(48):e18065. doi: 10.1097/MD.0000000000018065.

The influence of MRAS gene variants on ischemic stroke and serum lipid levels in Chinese Han population.

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Department of Radiology.
Department of Hemodialysis, Jieshou City People's Hospital, Fuyang, China.


Previous studies have indicated that muscle RAS oncogene homolog (MRAS) gene played an important role in cardiovascular diseases. However, the effect of MRAS genetic variations on ischemic stroke (IS) is still not clear. The aim of the current study was to investigate the association between the MRAS polymorphism and IS risk in Han populations.Three SNPs (rs40593, rs751357, rs6782181) at MRAS were selected for genotyping in a sample of 240 IS patients and 430 controls. Logistic regression was performed to evaluate the association of 3 SNPs with IS and IS subgroups.No association of MRAS SNPs with IS risk was observed, while G allele of rs40593 was associated with increased risk of cerebral infarction area. Compared with carriers of the AA genotype, the risk of carriers of the AG+GG genotype increased, with an OR (95%CI) of 2.337 (1.175-4.647), Pā€Š=ā€Š.016. In relation to lipid profile, rs40593, rs751357, rs6782181 were associated with increased total cholesterol (TC) levels.Summarily, this study suggested that MRAS rs40593 may contribute to the increased risk of area of cerebral infarction of IS in Han population. rs40593, rs751357, and rs6782181 were associated with higher serum TC levels.

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