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Updated: May 20, 2026

Studying the Epithelial Effects of Intestinal Inflammation In Vitro on Established Murine Colonoids
Published on: June 2, 2023
MTG16 contributes to colonic epithelial integrity in experimental colitis
Christopher S Williams1, Amber M Bradley, Rupesh Chaturvedi
1Department of Medicine, Division of Gastroenterology, Vanderbilt University, Nashville, Tennessee, USA.
Myeloid translocation gene 16 (MTG16) is crucial for maintaining intestinal integrity. MTG16 deficiency in mice leads to severe colitis, increased inflammation, and impaired regeneration after injury, highlighting its role in colon health.
Area of Science:
- Molecular biology
- Immunology
- Gastroenterology
Background:
- Myeloid translocation genes (MTGs) function as transcriptional corepressors.
- Defects in Mtg8 and Mtgr1 impact intestinal development and differentiation.
Purpose of the Study:
- To investigate the role of MTG16 in maintaining intestinal integrity and its response to injury.
Main Methods:
- Examined colonic phenotypes in Mtg16(-/-) mice under baseline and stress conditions.
- Induced colitis using dextran sodium sulfate (DSS) and Citrobacter rodentium infection.
- Analyzed ulceration, proliferation, apoptosis, inflammation, and immune cell infiltration.
Main Results:
- Mtg16(-/-) mice exhibited exacerbated weight loss, diarrhea, mortality, and histological colitis.
- Increased innate and Th1 adaptive immune cells, apoptosis, and compensatory proliferation were observed in Mtg16(-/-) colons.
- Reduced MTG16 mRNA levels were found in human ulcerative colitis tissues.
Conclusions:
- MTG16 is essential for colonocyte survival and regeneration following intestinal injury.
- MTG16 regulates inflammatory cell recruitment in response to intestinal damage.
- MTG16 plays a critical role in maintaining colon health and integrity.
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