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首页> 外文期刊>European journal of gastroenterology and hepatology >Common polymorphisms in the microsomal epoxide hydrolase and N-acetyltransferase 2 genes in association with inflammatory bowel disease in the Danish population.
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Common polymorphisms in the microsomal epoxide hydrolase and N-acetyltransferase 2 genes in association with inflammatory bowel disease in the Danish population.

机译:丹麦人群中微粒体环氧化物水解酶和N-乙酰基转移酶2基因的常见多态性与炎症性肠病相关。

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INTRODUCTION: Chronic inflammatory bowel disease (IBD) is characterized by recurrent inflammation of the intestinal mucosa. Reactive molecules play a central role in altering the intestinal permeability, which may induce or sustain an immune response. Changes in detoxification of substances that causes epithelial damage may confer susceptibility to IBD. Hence, polymorphic enzymes involved in the detoxification processes may be risk factors of IBD. METHODS: The two biotransformation enzymes microsomal epoxide hydrolase and N-acetyltransferase 2 were genotyped using TaqMan based real-time PCR in 388 patients with Crohn's disease, 565 patients with ulcerative colitis and 796 healthy controls. RESULTS: No association was found between the genotypes of low microsomal epoxide hydrolase activity or slow N-acetyltransferase 2 acetylator status and IBD. An association was found between microsomal epoxide hydrolase and less than 40 years of age at diagnosis of Crohn's disease and microsomal epoxide hydrolase and azathiporine use in patients with ulcerative colitis. No other evident phenotypic associations were found for the two enzymes and either ulcerative colitis or Crohn's disease. A possible modification of smoking on microsomal epoxide hydrolase genotypes was found. CONCLUSION: Microsomal epoxide hydrolase and N-acetyltransferase 2 genotypes appear not to be individual risk factors of IBD, or to be important in relation to phenotypic characteristics of IBD.
机译:简介:慢性炎症性肠病(IBD)的特征是肠粘膜反复发炎。反应性分子在改变肠道通透性中起着核心作用,这可能会诱导或维持免疫反应。引起上皮损伤的物质的排毒变化可能导致对IBD的易感性。因此,参与解毒过程的多态性酶可能是IBD的危险因素。方法:采用基于TaqMan的实时PCR技术对388例克罗恩病,565例溃疡性结肠炎患者和796名健康对照者的两种生物转化酶微粒体环氧化物水解酶和N-乙酰基转移酶2进行基因分型。结果:在微粒体环氧化物水解酶活性低或N-乙酰转移酶2乙酰化反应慢的基因型与IBD之间没有相关性。在溃疡性结肠炎患者中,在诊断克罗恩氏病时发现微粒体环氧化物水解酶和年龄小于40岁之间存在关联,微粒体环氧化物水解酶和氮杂硫嘌呤的使用之间存在关联。两种酶和溃疡性结肠炎或克罗恩病均未发现其他明显的表型关联。发现吸烟对微粒体环氧化物水解酶基因型的可能改变。结论:微粒体环氧化物水解酶和N-乙酰基转移酶2基因型似乎不是IBD的个体危险因素,或与IBD的表型特征无关。

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