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Genetic polymorphisms of ALDH2 are associated with lumbar disc herniation in a Chinese Han population.

ABSTRACT: Aldehyde dehydrogenase (ALDH) is a key enzyme for the catalytic oxidation of acetaldehyde to acetic acid. Genetic polymorphisms of ALDH2 have been associated with a wide range of diseases and cancers. However, little information is found about the association between ALDH2 polymorphisms and lumbar disc herniation (LDH) in Chinese Han population. We investigated the association between single nucleotide polymorphisms (SNPs) in ALDH2 and LDH risk in a case-control study that included 380 LDH cases and 692 healthy controls. Eight SNPs were selected and genotyped using the Sequenom MassARRAY platform. Odds ratios (ORs) and 95% confidence intervals (CIs) were calculated using unconditional logistic regression after adjusting for gender and age. In the allele model analysis, we found the frequency of the "A" allele of rs671 was significantly higher in LDH cases than in controls (OR?=?1.414, 95%CI: 1.109-1.803, P?=?0.005). In the genetic model analysis, we found the minor allele "A" of rs671 was associated with increased risk of LDH under log-additive model (OR?=?1.42, 95%CI: 1.11-1.82, P?=?0.0062); and the minor allele "C" of rs7296651 was associated with decreased risk of LDH under over-dominant model (OR?=?0.72, 95%CI: 0.53-0.97, P?=?0.031). Additionally, the haplotype "GGCTCACG" constructed by rs886205, rs2238152, rs4648328, rs441, rs4646778, rs671, rs11066028, and rs7296651 was associated with increased risk of LDH (OR?=?1.45; 95% CI?=?1.11-1.90; P?=?0.0071). Our data shed new light on the association between genetic polymorphisms of ALDH2 and LDH susceptibility in a Chinese Han population.

SUBMITTER: Dong Q

PROVIDER: S-EPMC6117275 | biostudies-literature | 2018 Aug

REPOSITORIES: biostudies-literature

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