相关实验视频
Updated: Jun 22, 2025

Chronic Salmonella Infection Induced Intestinal Fibrosis
Published on: September 22, 2019
肥胖,结直肠癌和炎症性肠道疾病之间存在新的遗传关联
Morteza Gholami1,2,3
1North Research Center, Pasteur Institute of Iran, Amol, Iran.
肥胖是结直肠癌 (CRC) 和炎症性肠病 (IBD) 的危险因素. 确定了一种常见的遗传变异 (rs3184504) 和一种与CRC,IBD和肥胖相关的新型单元型 (AGCAGT),为风险预测提供了潜力.
科学领域:
- 遗传学 遗传学 是一个
- 在瘤学瘤学.
- 胃肠病学 胃肠病学
背景情况:
- 肥胖是结直肠癌 (CRC) 和炎症性肠病 (IBD) 的重要危险因素.
- 了解这些疾病的共同遗传基础对于开发有效的预防和治疗策略至关重要.
- 遗传倾向可以影响对多种相关疾病的易感性.
研究的目的:
- 调查与肥胖,CRC和IBD相关的常见遗传因素和类型.
- 在这三个条件中识别共享的遗传变异和类型结构.
- 探索已识别的遗传关联的功能影响.
主要方法:
- 提取了针对CRC,IBD和肥胖症的显著基因组广泛关联研究 (GWAS) 变异.
- 在两种疾病 (CRC-IBD,CRC-肥胖,IBD-肥胖) 和所有三种疾病中确定了常见变异.
- 分析了单元型结构,进行了SNP功能分析,基因表达,蛋白质-蛋白质相互作用和通路分析.
主要成果:
- 确定了CRC-IBD,IBD-肥胖症和CRC-肥胖症对之间的几个常见变异.
- rs3184504成为CRC-IBD-肥胖症的唯一常见变体 (P ≤ 5E-8).
- 在SH2B3基因中发现了一种与CRC-IBD-肥胖相关的新型AGCAGT (r2 ≥ 0.8,D' ≥ 0.08) 单元型,该单元型在癌症中表达率下降,并与与炎症相关的基因相互作用.
结论:
- 在CRC,IBD,肥胖和炎症中,rs3184504变异和AGCAGT单元型同时发生.
- 这种新型的AGCAGT单元型可以作为一种有价值的遗传标记,用于识别肥胖个体的CRC/IBD易感性.
- 对这些共同遗传因素的进一步研究可以为个性化风险评估和治疗干预提供信息.
更多相关视频
09:01Non-invasive Assessment of the Efficacy of New Therapeutics for Intestinal Pathologies Using Serial Endoscopic Imaging of Live Mice
Published on: March 10, 2015
14:56Sample Preparation to Bioinformatics Analysis of DNA Methylation: Association Strategy for Obesity and Related Trait Studies
Published on: May 6, 2022
相关概念视频
Inflammatory Bowel Disease I: Ulcerative Colitis
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
Inflammatory Bowel Disease II: Crohn's Disease
Inflammatory bowel disease, commonly known as IBD, refers to a collection of disorders that lead to persistent inflammation of the gastrointestinal tract. The two types of IBD are ulcerative colitis, which impacts the colon, and Crohn's disease, which can involve any part of the gastrointestinal segment.
Crohn's disease
Crohn's disease is a chronic, systemic inflammatory bowel disease (IBD) that predominantly affects the gastrointestinal tract. It is marked by...
Obesity
Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the...
Genome-wide Association Studies-GWAS
GWAS does not require the identification of the target gene involved in...
Irritable Bowel Syndrome I: Introduction
IBS is a chronic condition that can persist over a long period or recur frequently.
The pathogenesis of IBS involves a complex interplay of the following factors:
Altered...