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Updated: Dec 16, 2025

The Citrobacter rodentium Mouse Model: Studying Pathogen and Host Contributions to Infectious Colitis

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[Radioactive Enteritis and Gut Microecology].

Changzhen Zhu¹, Yuanxin Li¹

¹Department of Gastrointestinal Surgery,Beijing Tsinghua Changgung Hospital,School of Clinical Medicine, Tsinghua University,Beijing 102218,China.

Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae

|July 4, 2020

Summary

This summary is machine-generated.

Radioactive enteritis (RE) is a severe complication of abdominal radiotherapy. Recent research highlights the crucial role of gut microbiota in developing and potentially treating radiation-induced RE.

Keywords:

gut microecology probiotics radiation enteritis radiation injury

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Area of Science:

Gastroenterology
Oncology
Microbiology

Background:

Radioactive enteritis (RE) is a common and serious complication following radiotherapy for abdominal, pelvic, or retroperitoneal cancers.
RE presents with widespread, complex, and persistent intestinal issues, often leading to difficult and ineffective treatments, and can progress to short bowel syndrome.
The gut microbiota, a vast and complex human micro-ecosystem, is increasingly recognized for its significant functional roles.

Purpose of the Study:

To review and summarize recent research findings on the intricate relationship between the gut flora and the development of radioactive enteritis.
To consolidate current knowledge on how alterations in gut microbiota contribute to radiation-induced intestinal damage.

Main Methods:

Literature review of recent scientific publications.
Analysis of studies investigating the impact of radiotherapy on intestinal microbiota composition and function.
Synthesis of data linking gut flora dysbiosis to the pathogenesis of radioactive enteritis.

Main Results:

Evidence indicates a significant role for the gut microbiota in the pathogenesis of radiation-induced enteritis.
Alterations in the composition and function of gut bacteria are associated with the severity of RE.
The gut microbiome represents a potential therapeutic target for managing RE.

Conclusions:

The gut flora is a critical factor in the development and progression of radioactive enteritis.
Understanding the gut microbiome's role offers new avenues for preventing and treating radiation-induced intestinal complications.
Further research into microbiome-targeted therapies holds promise for improving patient outcomes after radiotherapy.