科研之友
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摘要
Background: Non-alcoholic fatty liver disease (NAFLD) is one of the most common chronic liver diseases, and its prevalence is rapidly increasing in Han Chinese individuals. Several studies have demonstrated that polymorphisms of the PARVB gene may play crucial roles in the development of NAFLD. Therefore, the present study was designed to investigate the association of rs5764455 and rs6006473 polymorphisms in PARVB with the Han Chinese population's susceptibility to NAFLD. @@@ Methods: A total of 384 cases of NAFLD patients and 384 healthy controls were enrolled in this study. Their clinical information and serum biochemical indexes were analyzed. A sample (5 ml) of fasting venous blood was taken from each subject for DNA extraction, after which SNP probes were customized, and real-time PCR was used to detect SNP in the PARVB gene. @@@ Results: Patients with genotype AA of rs5764455 SNP locus in PARVB gene had a higher incidence of NAFLD than patients with genotypes AG and GG (62.1% vs. 50.3% and 46.9%, respectively, p-values = 0.034). Patients with genotype TT of rs6006473 SNP had a higher incidence of NAFLD than patients with genotypes CT and CC (56.9% vs. 49.9% and 42.0%, respectively, p-values = 0.017). The ORs of the A allele and M genotype of rs5764455 for NAFLD were 130 and 1.62, respectively; those of the T allele and TT genotype of rs6006473 for NAFLD were 134 and 1.35, respectively. Further analysis revealed that patients with genotype AA of rs5764455 and genotype of rs6006473 had higher levels of plasma triglyceride, LDL-C, ALT and AST (p-values <0.05). Likewise, patients with genotype AA of rs5764455 had a higher incidence of moderate to severe NAFLD than patients with genotypes AG and GG (62.7% vs. 44.3% and 43.0%, respectively, p-values = 0.026). Patients with genotype TT of rs6006473 had a higher incidence of moderate to severe NAFLD than patients with genotypes CT and CC (59.6% vs. 46.6% and 30.9%, respectively, p-values = 0.001). @@@ Conclusions: Our study found polymorphisms of rs5764455 and rs6006473 in PARVB gene in the Han Chinese population, and these polymorphisms were associated with the occurrence and progression of NAFLD.
