Dataset Information

Association of Polymorphisms of Metabolism-Related Genes with Psoriasis Vulgaris in Han Chinese.

ABSTRACT:

Aim

Psoriasis is a chronic inflammatory disease with a complex etiology, and psoriasis vulgaris (PsV) is the most common type of psoriasis. Recent studies suggest the relationship between psoriasis and metabolic syndrome in different ethnicities. This study is aimed at evaluating the association of metabolism-related gene variants with the risk of PsV in Chinese Han population. Material and Methods. PsV patients (1030) and healthy controls (965) were enrolled in this study. Eighteen single-nucleotide polymorphisms (SNPs) previously reported to be significantly associated with metabolic syndrome were selected. SNPs were detected by next-generation sequencing.

Results

Seven SNPs were significantly associated with PsV: rs805303 (P = 0.012, OR = 0.85), rs3177928 (P = 1.37 × 10^-15, OR = 2.51), and rs2247056 (P = 3.73 × 10^-4, OR = 0.67) located in the HLA gene region; rs1047781 (P = 0.012, OR = 1.18), rs281379 (P = 0.014, OR = 1.71), and rs492602 (P = 0.005, OR = 1.86) located in the FUT2 region; and rs2303138 (P = 0.014, OR = 1.18) located in the LNPEP region. After stratified analysis, rs805303 (P = 0.017, OR = 0.74) and rs2303138 (P = 0.041, OR = 1.30) were associated with PsVs when HLA-C^∗06 : 02 was positive, and rs805303 (P = 5.62 × 10^-5, OR = 0.68), rs3177928 (P = 0.003, OR = 1.75), rs281379 (P = 0.034, OR = 1.96), and rs492602 (P = 0.025, OR = 2.04) were associated with PsVs when HLA-C^∗06 : 02 was negative.

Conclusion

PsV and metabolic syndrome may have overlapped susceptible genes in Chinese Han population.

SUBMITTER: Liu Y

PROVIDER: S-EPMC8476246 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:BackgroundVitamin D deficiency rickets is common in China. Genetic factors may play an important role in the susceptibility to rickets. Our study aimed to identify the relationship between three vitamin D-related genes (group specific component [GC], cytochrome P450, family 2, subfamily R, polypeptide 1 (CYP2R1), and 7-dehydrocholesterol reductase/nicotinamide-adenine dinucleotide synthetase 1 (DHCR7/NADSYN1) and rickets in Han Chinese children from northeastern China.MethodsA total of 506 Han children from northeastern China were enrolled in the current study. Twelve SNPs in three candidate genes were genotyped using the SNaPshot assay. Linear regression was used to examine the effect of 12 single-nucleotide polymorphisms (SNPs) on the risk of rickets.ResultsIn our case-control cohort, six alleles of the 12 SNPs conferred a significantly increased risk of rickets in GC (rs4588 C, P = 0.003, OR: 0.583, 95% CI: 0.412-0.836; rs222020 C, P = 0.009, OR: 1.526, 95% CI: 1.117-2.0985; rs2282679 A, P = 0.010, OR: 0.636, 95% CI: 0.449-0.900; and rs2298849 C, P = 0.001, OR: 1.709, 95% CI: 1.250-2.338) and in CYP2R1 (rs10741657 G, P = 0.019, OR: 1.467, 95% CI: 1.070-2.011; and rs2060793 G, P = 0.023, OR: 0.689, 95% CI: 0.502-0.944). The results remained significant after adjustment for sex and body mass index. We further analyzed the effect of genotypes under three different genetic models. After using Bonferroni's method for multiple corrections, rs4588, rs2282679, and rs2298849 of the GC gene were significantly associated with rickets under the dominant (P =0.003 for rs4588, P =0.024 for rs2282679, and P =0.005 for rs2298849) and additive models (P = 0.006 for rs4588, P = 0.024 for rs2282679, and P = 0.005 for rs2298849). Haplotype analysis showed that the CAT haplotype of the GC gene (P = 0.005) and the GAA haplotype of the CYP2R1 gene (P = 0.026) were associated with susceptibility to rickets.ConclusionsThis case-control study confirmed the strong effect of GC and CYP2R1 loci on rickets in Han children from northeastern China.

Project description:PURPOSE: The gene for Eph-receptor tyrosinekinase-type A2 (EPHA2) has been shown to be involved in the pathogenesis of age-related cataract (ARC). The aim of this study was to examine whether EPHA2 polymorphisms were associated with the susceptibility to age-related cortical cataract in a Han Chinese population. METHODS: Five single-nucleotide polymorphisms (SNPs)-rs3768293, rs3754334, rs7548209, rs707455, and rs477558-in the EPHA2 gene were genotyped in 422 Han Chinese patients with age-related cortical cataract and 317 age-, sex-, and ethnically matched healthy controls using a PCR restriction fragment length polymorphism (PCR-RFLP) assay. Data were analyzed by ?(2) analysis. RESULTS: The results showed that the five analyzed polymorphisms in EPHA2 were in Hardy-Weinberg equilibrium both in the patients and in the controls. The frequency of the rs477558 AA genotype was signi?cantly increased in ARC patients compared with controls (?(2)=8.649, pc=0.045, odds ratio [OR] 1.555, 95% CI 1.158 to 2.089). The frequency of the rs477558 AG genotype was signi?cantly decreased in ARC patients compared with controls (?(2)=9.281, pc=0.030, OR 0.626, 95% CI 0.463 to 0.847). Signi?cantly higher frequencies of the GG genotype and the G allele of rs7548209 were observed in ARC patients compared with controls (?(2)=10.430, pc=0.015, OR 1.660, 95% CI 1.219 to 2.261 and ?(2)=8.537, pc=0.015, OR 1.486, 95% CI 1.138 to 1.940, respectively). On the other hand, signi?cantly decreased frequencies of the rs7548209 CG genotype and the C allele were observed in ARC patients compared with controls (?(2)=9.999, pc=0.030, OR 0.603, 95% CI 0.440 to 0.826 and ?(2)=8.537, pc=0.015, OR 0.673, 95% CI 0.515 to 0.879, respectively). There was no difference in the frequencies of the genotype and allele of the rs3768293, rs3754334, and rs707455 SNPs between the patients with ARC and the controls. CONCLUSIONS: Our study suggests that both SNP rs477558 and SNP rs7548209 of EPHA2 are associated with age-related cortical cataract in a Han Chinese population.

Dataset Information

Association of Polymorphisms of Metabolism-Related Genes with Psoriasis Vulgaris in Han Chinese.

Aim

Results

Conclusion

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