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Colorectal Cancer Screening in Inflammatory Bowel Diseases—Can Characterization of GI Microbiome Signatures Enhance Neoplasia Detection?
Gastroenterology ( IF 25.7 ) Pub Date : 2022-01-06 , DOI: 10.1053/j.gastro.2021.12.287
Molly Pratt 1 , Jessica D Forbes 2 , Natalie C Knox 3 , Gary Van Domselaar 3 , Charles N Bernstein 4
Affiliation  

Current noninvasive methods for colorectal cancer (CRC) screening are not optimized for persons with inflammatory bowel diseases (IBDs), requiring patients to undergo frequent interval screening via colonoscopy. Although colonoscopy-based screening reduces CRC incidence in IBD patients, rates of interval CRC remain relatively high, highlighting the need for more targeted approaches. In recent years, the discovery of disease-specific microbiome signatures for both IBD and CRC has begun to emerge, suggesting that stool-based biomarker detection using metagenomics and other culture-independent technologies may be useful for personalized, early, noninvasive CRC screening in IBD patients. Here we discuss the utility of the stool microbiome as a noninvasive CRC screening tool. Comparing the performance of multiple microbiome-based CRC classifiers, including several multi-cohort meta-analyses, we find that noninvasive detection of colorectal adenomas and carcinomas from microbial biomarkers is an active area of study with promising early results.

中文翻译:


炎症性肠病中的结直肠癌筛查——胃肠道微生物组特征的表征能否增强肿瘤的检测?



目前的结直肠癌 (CRC) 筛查无创方法并不适合炎症性肠病 (IBD) 患者,需要患者通过结肠镜检查进行频繁的间隔筛查。尽管基于结肠镜检查的筛查降低了 IBD 患者的 CRC 发病率,但间期 CRC 的发生率仍然相对较高,这突出表明需要更有针对性的方法。近年来,IBD 和 CRC 疾病特异性微生物组特征的发现开始出现,这表明使用宏基因组学和其他独立于培养的技术进行基于粪便的生物标志物检测可能有助于 IBD 的个性化、早期、非侵入性 CRC 筛查患者。在这里,我们讨论粪便微生物组作为无创结直肠癌筛查工具的效用。比较多个基于微生物组的 CRC 分类器的性能,包括几个多队列荟萃分析,我们发现从微生物生物标志物中无创检测结直肠腺瘤和癌是一个活跃的研究领域,具有良好的早期结果。
更新日期:2022-01-06
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