Abstract
The rs9958947 single nucleotide polymorphism (SNP) resides in the promoter region of the lipase G (LIPG) gene. This newly discovered SNP increases the risk of stroke in some Asian populations, including Chinese and Korean populations. Stroke is one of the top 5 leading causes of death in Malaysia, so it is of interest to investigate whether this SNP is associated with stroke risk in the Malaysian population. Therefore, this study investigates this association through a case–control study on a Malaysian population along with a comprehensive meta-analysis. Genotyping of LIPG rs9958947 SNP was performed for 241 Malaysians using real-time polymerase chain reaction, and the odds ratios (OR) with 95% confidence intervals were calculated. The meta-analysis was conducted using the software Comprehensive Meta-Analysis ver. 2.2.064. A p value less than 0.05 was considered statistically significant. We observed that the mean age of Malaysian stroke patients was less than that of stroke patients from Korea and China. The meta-analysis showed that the LIPG rs9958947 SNP was significantly associated with an increased risk of ischemic stroke in Asian populations (dominant (CC vs. CT + TT): OR = 1.45, p < 0.001; allelic (C vs. T): OR = 1.21, p = 0.001; heterozygous (CC vs. CT): OR = 1.47, p < 0.001, and homozygous (CC vs. TT): OR = 1.46, p = 0.047). However, there was no evidence to associate this SNP with stroke risk in the Malaysian population (overall CC vs. CT: OR = 1.04, CC vs. TT: OR = 1.25, CC vs. CT + TT, OR = 1.13; all p > 0.05) and blood lipid levels.
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Data Availability
The datasets analyzed in this study are available from the corresponding author on request.
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Funding
This study is financially supported by the Ministry of Higher Education, Malaysia (TRGS0006-SG-2/2014) and Universiti Malaysia Sabah (GUG0128-1/2017).
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PCL and ETJC conceived and designed the study. KYP, ETJC, SSS, YKC, DMAD, EJ, CSKC, and PCL collected the data. KYP and ETJC conducted the experiments, analyzed the data, and drafted the manuscript. PCL revised the final version of the manuscript. All authors approved the final version of the manuscript.
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This study was approved by the Medical Research and Ethics Committee of the Ministry of Health Malaysia with reference no: NMRR-16–38-28777 (IIR). The procedures used in this study adhere to the tenets of the Declaration of Helsinki.
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Phneh, K.Y., Chong, E.T.J., Shah, S.S. et al. Case–Control Study and Meta-Analysis of the Association Between LIPG rs9958947 SNP and Stroke Risk. J Mol Neurosci 71, 2085–2094 (2021). https://doi.org/10.1007/s12031-021-01795-w
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DOI: https://doi.org/10.1007/s12031-021-01795-w