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Long noncoding RNAs in intestinal epithelium homeostasis
Lan Xiao1,2, Myriam Gorospe3, Jian-Ying Wang1,2,4
1Cell Biology Group, Department of Surgery, University of Maryland School of Medicine , Baltimore, Maryland.
American Journal of Physiology. Cell Physiology
|May 3, 2019
Summary
Long noncoding RNAs (lncRNAs) are crucial for intestinal epithelial homeostasis and regeneration. These molecules, including uc.173, SPRY4-IT1, H19, and Gata6, show promise as therapeutic targets for maintaining gut barrier function.
Area of Science:
- Molecular Biology
- Gastroenterology
- Genetics
Background:
- The intestinal epithelium is a highly regenerative tissue essential for gut homeostasis.
- Long noncoding RNAs (lncRNAs) are increasingly recognized for their roles in cellular functions and disease pathogenesis.
- Dysregulation of intestinal epithelial integrity is implicated in various gastrointestinal disorders.
Purpose of the Study:
- To review the critical roles of specific lncRNAs (uc.173, SPRY4-IT1, H19, Gata6) in intestinal epithelial homeostasis.
- To highlight the involvement of lncRNAs in intestinal mucosal regeneration and epithelial barrier function.
- To discuss the regulatory mechanisms involving lncRNAs, microRNAs, and RNA-binding proteins in the gut.
Main Methods:
- Literature review and synthesis of existing research on lncRNAs in the intestinal epithelium.
- Analysis of studies investigating the function of specific lncRNAs in epithelial cell biology.
- Examination of evidence regarding lncRNA interactions with other regulatory molecules.
Main Results:
- Several lncRNAs, including uc.173, SPRY4-IT1, H19, and Gata6, are key regulators of intestinal epithelial integrity.
- lncRNAs significantly influence intestinal mucosal regeneration and the maintenance of epithelial barrier function.
- Interactions between lncRNAs, microRNAs, and HuR play a vital role in epithelial homeostasis.
Conclusions:
- lncRNAs are essential for maintaining intestinal epithelial health and function.
- Emerging evidence suggests lncRNAs are promising therapeutic targets for protecting the intestinal epithelium.
- Targeting lncRNAs could offer novel strategies for treating gastrointestinal diseases and improving gut health.
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