In a systematic review, the authors explored genetic association studies of essential hypertension in African populations. Studies reporting on the association of polymorphism(s) with hypertension in African populations were included. Appropriate studies were pooled using random effects model meta‐analysis, under six potential inheritance models. In all, 46 polymorphisms in 33 genes were investigated for their association with hypertension or blood pressure levels. Meta‐analysis was possible for three single nucleotide polymorphisms: rs4340, rs699, and rs5186. An association was found between rs5186, rs699, and hypertension under allele contrast and homozygous codominant models (odds ratio, 1.63 [95% confidence interval, 1.04–2.54] and 4.01 [95% confidence interval, 1.17–13.80] for rs5186, respectively; and 1.80 [95% confidence interval, 1.13–2.87] for rs699). Findings were mostly robust in sensitivity analyses. According to the systematic review, there is currently insufficient evidence on the specific polymorphisms that pose the risk of hypertension in African populations. Large‐scale genetic studies are warranted to better understand susceptibility polymorphisms that may be specific to African populations.
Journal of Clinical Hypertension – Wiley
Published: Jan 1, 2018
Keywords: ; ; ; ; ;
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