The impact of long-term (≥5 years) cholecystectomy on gut microbiota changes and its influence on colorectal cancer risk: based on 16S rDNA sequencing analysis.

IF 2.3 4区 医学 Q3 GASTROENTEROLOGY & HEPATOLOGY
Xiecheng Zhou, Liang Xu, Qixing Zhang, Wenqi Chen, Hongwei Xie
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引用次数: 0

Abstract

Background: Colorectal cancer (CRC) continues to be a major global health concern. Recent advances in molecular biology have highlighted the gut microbiota's role in CRC. This study investigates long-term (≥5 years) gut microbiota changes in patients postcholecystectomy, comparing them with CRC patients and healthy controls to assess their impact on CRC development.

Methods: Sixty participants were divided into three groups: 20 healthy controls, 20 postcholecystectomy (PCE) patients, and 20 CRC patients. Demographic data and stool samples were collected. Gut microbiota composition, abundance, and diversity were analyzed using high-throughput 16S rDNA sequencing.

Results: Significant differences in microbial community, α-diversity ( P  < 0.05) and β-diversity ( P  = 0.006), were observed among the three groups. At the phylum level, Firmicutes abundance was significantly reduced in PCE and CRC groups compared with the control group ( P  = 0.002), while changes in other phyla were not significant ( P >0.05). At the genus level, Bacteroides , Dialister , and Parabacteroides increased progressively from control to PCE to CRC groups ( P  = 0.004, 0.001, and 0.002). Prevotella decreased across these groups ( P  = 0.041). Faecalibacterium and Roseburia abundances were reduced in PCE and CRC groups compared with controls ( P  = 0.001 and 0.003). The Random Forest algorithm identified Parabacteroides , Bacteroides , Roseburia , and Dialister as key distinguishing genera.

Conclusion: The gut microbiota of long-term (≥5 years) PCE patients significantly differs from that of controls and resembles that of CRC patients, suggesting a potential link between cholecystectomy and CRC development through key microbial changes.

长期(≥5 年)胆囊切除术对肠道微生物群变化的影响及其对结直肠癌风险的影响:基于 16S rDNA 测序分析。
背景:结肠直肠癌(CRC)仍然是全球关注的主要健康问题。分子生物学的最新进展突显了肠道微生物群在 CRC 中的作用。本研究调查了胆囊切除术后患者肠道微生物群的长期(≥5 年)变化,并将其与 CRC 患者和健康对照组进行比较,以评估其对 CRC 发展的影响:将 60 名参与者分为三组:20 名健康对照组、20 名胆囊切除术后(PCE)患者和 20 名 CRC 患者。收集人口统计学数据和粪便样本。利用高通量 16S rDNA 测序分析了肠道微生物群的组成、丰度和多样性:微生物群落、α-多样性存在显著差异(P 0.05)。在属一级,从对照组到 PCE 组再到 CRC 组,Bacteroides、Dialister 和 Parabacteroides 的数量逐渐增加(P = 0.004、0.001 和 0.002)。Prevotella 在这些组别中有所减少(P = 0.041)。与对照组相比,PCE 组和 CRC 组的粪杆菌和 Roseburia 丰度降低(P = 0.001 和 0.003)。随机森林算法确定 Parabacteroides、Bacteroides、Roseburia 和 Dialister 为主要的区分菌属:结论:长期(≥5 年)PCE 患者的肠道微生物群与对照组有显著差异,并与 CRC 患者的肠道微生物群相似,这表明胆囊切除术与 CRC 的发展之间通过关键微生物变化存在潜在联系。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
4.40
自引率
4.80%
发文量
269
审稿时长
1 months
期刊介绍: European Journal of Gastroenterology & Hepatology publishes papers reporting original clinical and scientific research which are of a high standard and which contribute to the advancement of knowledge in the field of gastroenterology and hepatology. The journal publishes three types of manuscript: in-depth reviews (by invitation only), full papers and case reports. Manuscripts submitted to the journal will be accepted on the understanding that the author has not previously submitted the paper to another journal or had the material published elsewhere. Authors are asked to disclose any affiliations, including financial, consultant, or institutional associations, that might lead to bias or a conflict of interest.
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