RNA-binding proteins and long noncoding RNAs in intestinal epithelial autophagy and barrier function

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Abstract
The intestinal autophagy and barrier function are crucial for maintaining the epithelium homeostasis and tightly regulated through well-controlled mechanisms. RNA-binding proteins (RBPs) and long noncoding RNAs (lncRNAs) modulate gene expression at the posttranscription level and are intimately involved in different physiological processes and diverse human diseases. In this review, we first highlight the roles of several RBPs and lncRNAs in the regulation of intestinal epithelial autophagy and barrier function, particularly focusing on the emerging evidence of RBPs and lncRNAs in the control of mRNA stability and translation. We additionally discuss recent findings that the interactions between RBPs and lncRNAs alter the fate of their target transcripts and thus influence gut epithelium host defense in response to stressful environments. These exciting advances in understanding the posttranscriptional control of the epithelial autophagy and barrier function by RBPs and lncRNAs provide a strong rationale for developing new effective therapeutics based on targeting RBPs and/or lncRNAs to preserve the intestinal epithelial integrity in patients with critical illnesses.
Funding Information
  • Merit-Review Awards from the US Department of Veterans Affairs (DK-57819, DK-61972)
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK57819; DK68491; DK61972)
  • U.S. Department of Veterans Affairs
  • U.S. Department of Veterans Affairs

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