ArticleCancer gene therapy2017
Correlations of TNF-α gene promoter polymorphisms with the risk of thymoma-associated myasthenia gravis in a northern Chinese Han population.
Article in Cancer gene therapy, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 4 citations in OpenAlex.
- Exploring the Gut Microbiome in Myasthenia Gravis.Nutrients · 2022Review
- Perturbed Microbial Ecology in Myasthenia Gravis: Evidence from the Gut Microbiome and Fecal Metabolome.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2019Article
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This study was performed with the aim to investigate the correlations of tumor necrosis factor-alpha (TNF-α) gene promoter polymorphisms with the risk of thymoma-associated myasthenia gravis (T-MG) in a northern Chinese Han population. Between June 2005 and June 2015, 305 MG patients (150 males and 155 females, MG group) and 293 healthy volunteers (negative control (NC) group) were enrolled in this study. Among the MG patients, there were 121 patients with thymoma-associated MG (T-MG group) and 184 without T-MG (NT-MG group). Enzyme-linked immunosorbent assay (ELISA) was used for the serum TNF-α level. Polymerase chain reaction-restriction fragment length polymorphism was conducted to determine genotype and allele frequencies of TNF-α gene promoter -1031T/C, -857C/T and -863C/A. The haplotype was analyzed with the SHEsis software. Logistic regression analysis was performed for correlations between TNF-α gene promoter polymorphisms and the risk of T-MG. The T-MG group had higher frequencies of the CT/TT genotype and T allele of -857C/T than the NT-MG and NC groups. The frequencies of the CC genotype and C allele of -1031T/C were higher in the T-MG group than in the NT-MG and NC groups, and higher in male patients in the T-MG group than in male patients in the NC group. TTA and TTC haplotypes exhibited lower frequencies in the T-MG group than in the NT-MG group. The ocular MG patients exhibited lower frequencies of the TT genotype and T allele of -857C/T than the generalized MG patients did. The TNF-α level was elevated in the T-MG group compared with that in the NC and NT-MG groups, indicating that the TC+CC and CT+TT genotypes were increased compared with the TT and CC genotypes in the -1031T/C and -857C/T, respectively. Logistic regression analysis suggested that expressions of anti-acetylcholine receptor antibodies, Osserman's classification, -1031T/C and -857C/T polymorphisms and the TTA haplotype were the independent risk factors for T-MG. These findings reveal that TNF-α -1031T/C and -857C/T polymorphisms and the TTA haplotype may be correlated with the occurrence of T-MG in a Northern Chinese Han population.
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