ArticleInternational journal of colorectal disease2009
Cytotoxic T lymphocyte antigen-4 promoter -658CT gene polymorphism is associated with ulcerative colitis in Chinese patients.
Article in International journal of colorectal disease, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed, 8 citations in OpenAlex.
- Abscisic acid ameliorates experimental IBD by downregulating cellular adhesion molecule expression and suppressing immune cell infiltration.Clinical nutrition (Edinburgh, Scotland) · 2010Article
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8 authors at 3 institutions in 1 country.
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Abstract
BACKGROUND AND
aimCytotoxic T lymphocyte antigen-4 (CTLA-4) plays a role in the downregulation of T cell activation. The present study aimed to examine an association between the CTLA-4 gene polymorphisms and ulcerative colitis (UC) in the Han Chinese in central China. MATERIALS AND
methodsOne hundred seventeen patients with UC and 246 healthy controls were genotyped for CTLA-4 gene -658CT in the promoter and CT61 at the 3' untranslated region using a method of polymerase chain reaction-based restriction fragment length polymorphism and single-strand conformation polymorphism, respectively. The distributions of the genotypes and the allele frequencies of the CTLA-4 gene in UC patients and healthy controls were compared by chi-square test.
resultsThe frequency of the T/T+C/T genotype at the CTLA-4 gene -658CT in the promoter was significantly higher in UC patients than in healthy controls (26.5% vs 15.4%, chi (2) = 6.287, P = 0.015, OR = 1.973, 95%CI = 1.153-3.375). The frequency of the T allele at the CTLA-4 -658CT was also significantly higher in UC patients than in the controls (13.2% vs 8.1%, chi (2) = 4.707, P = 0.033, OR = 1.726, 95%CI = 1.049-2.838). The frequency of the T/T genotype at the -658 locus was highly associated with extensive colitis in UC patients (P = 0.037, OR = 3.955, 95%CI = 1.068-14.647). The frequency of the T allele at the -658 locus was highly associated with extensive colitis in UC patients (P = 0.0067, OR = 3.05, 95%CI = 1.320-7.048).
conclusionThe T allele of CTLA-4 -658 polymorphism in the promoter of CTLA-4 gene was highly associated with UC in the Han Chinese in central China.
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