• Ming Qiao, Jian-Hua Yang, Yi Zhu, and Jun-Ping Hu.
• Department of Pharmacy, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, China.
• Medicine (Baltimore). 2022 Jul 22; 101 (29): e29958e29958.

BackgroundSorting and assembly machinery component 50 homolog (SAMM50) gene single-nucleotide polymorphisms (SNPs) have been connected with the susceptibility of nonalcoholic fatty liver disease (NAFLD), but with inconsistent results across the current evidence. The present work was schemed to explore the association between SAMM50 gene SNPs and NAFLD vulnerability via meta-analysis.MethodsPubMed, Web of Science, Cochrane Library, China National Knowledge Infrastructure (CNKI), and Wanfang were retrieved for eligible literature previous to June 10, 2021. The odds ratios (ORs) of the dichotomic variables and the standardized mean difference of quantitative variables with corresponding 95% confidence intervals (95% CIs) were computed to evaluate the strength of the associations. The quality of included studies was assessed using Newcastle-Ottawa Scale (NOS).ResultsIn total, 8 case-control studies encompassing 6297 NAFLD patients and 7306 disease-free controls in this meta-analysis. Ultimately, this analysis included 8, 6, and 5 studies for rs2143571, rs3761472, and rs738491 polymorphisms respectively. The pooled data revealed that the 3 polymorphisms had conspicuous associations with NAFLD susceptibility: rs2143571, A vs. G, OR=1.51, 95% CI, 1.37-1.66, P < .01; rs3761472, A vs. G, OR=1.50, 95% CI, 1.35-1.67, P < .01; rs738491, A vs. G, OR=1.51, 95% CI, 1.40-1.63, P < .01.ConclusionThis meta-analysis suggests that rs2143571, rs3761472, and rs738491 polymorphisms of the SAMM50 gene are appreciably associated with augmented risk of NAFLD vulnerability. It will provide the latest evidence to support the susceptibility of SAMM50 gene polymorphisms and NAFLD, and provide strategies for the prevention and treatment of NAFLD.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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