Two meta-analysis of genome wide association studies identified two variants at adenylate cyclase 5 (ADCY5) associated with type 2 diabetes mellitus, fasting and 2-hour glucose in non-pregnant individuals of European descent. The objective of our study was to explore the role of common variants in ADCY5 on gestational glycemic traits, including plasma glucose, insulin values, β cell function and insulin resistance in the fasted state as well as plasma glucose 1 hour after a 50-gram glucose challenge test among Chinese Han women. Homoeostasis model assessment (HOMA) was used to quantify β cell function (HOMA1-β and HOMA2-β) and insulin resistance (HOMA1-IR and HOMA2-IR). Thirty-five single nucleotide polymorphisms (SNPs) in ADCY5 were genotyped in 929 unrelated Chinese Han women with singleton pregnancies. Three SNPs (rs6797915, rs9856662 and rs9875803) displayed evidence for association with plasma glucose 1 hour after a 50-gram glucose challenge test (P = 0.042, 0.018 and 0.018, respectively), one (rs6777397) displayed evidence for association with HOMA1-β (P = 0.014), and one (rs6762009) displayed evidence for association with HOMA1-IR (P = 0.033). These results provide additional insight into the effects of genetic variation within ADCY5 in glucose metabolism, especially during pregnancy and in non-European descent populations. OPEN ACCESS Citation: Lin R, Yuan Z, Zhang C, Ju H, Sun Y, Huang N, et al. (2020) Common genetic variants in ADCY5 and gestational glycemic traits. PLoS ONE 15(3): e0230032. https://doi.org/10.
There are inconsistencies in the published findings on the association of variant rs556621 in an intergenic region on Chromosome 6p21.1 with the risk of developing ischemic stroke (IS) and a major IS subtype (large artery atherosclerosis, LAA) in Chinese populations. We conducted a meta-analysis to evaluate the association of variant rs556621 with IS/LAA risk using ten studies involving 3644 IS cases and 3692 controls (including seven studies involving 2268 LAA cases and 2268 controls) from China. The AA genotype increased IS risk (AA versus CC: odds ratio [OR] 1.19, 95% confidence interval [CI] 1.03-1.36, P = 0.015; AA versus CA + CC: OR 1.23, 95% CI 1.09-1.39, P = 0.001). Subgroup analysis also suggested that rs556621 contributed to the risk of IS both in Chinese Han and the miscellaneous group. However, these results were stable in Chinese Han but not in the miscellaneous group. When restricting our analysis to the LAA subtype, similar results were obtained. This meta-analysis is the first meta-analysis on the correlation between rs556621 and the susceptibility of IS/LAA and demonstrates that rs556621 is associated with IS/LAA risk in Chinese populations. Further meta-analysis warrants larger well-designed investigations to assess these effects.
Introduction The efficacy of resistance training for hip replacement remains controversial. We conducted a systematic review and meta-analysis to explore the influence of resistance training on functional recovery for hip replacement. Methods We searched PubMed, EMbase, Web of Science, EBSCO, and Cochrane Library databases through April 2018 for randomized controlled trials (RCTs) assessing the effect of resistance training on hip replacement. Results Five RCTs involving 251 patients are included in the meta-analysis. Overall, compared with the control group for post-hip replacement patients, resistance training can significantly improve hip-related quality of life (standard mean difference [SMD] = 0.35; 95% CI = 0.02 to 0.68; p = 0.04), symptoms (SMD = 0.41; 95% CI = 0.08 to 0.74; p = 0.02), sports and recreation (SMD = 0.41; 95% CI = 0.08 to 0.75; p = 0.01), and reduce pain scores (SMD = 0.41; 95% CI = 0.08 to 0.74; p = 0.02), but has no remarkable impact on activities of daily living function (SMD = 0.48; 95% CI = 0 to 0.96; p = 0.05), sit to stand (SMD = 0.17; 95% CI = − 0.25 to 0.59; p = 0.44), stair climb performance (SMD = 0.06; 95% CI = − 0.36 to 0.48; p = 0.77), and leg extension power (SMD = 0.42; 95% CI = − 0.17 to 1.01; p = 0.17). Conclusions Resistance training is associated with significantly improved hip-related quality of life, symptoms, and sports and recreation, and decreased pain scores in post-hip replacement patients.
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