Regulation of mTOR signaling by long non-coding RNA

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3 Scopus citations

Abstract

The mechanistic target of rapamycin (mTOR) is a major signaling hub that coordinates cellular and organismal responses, such as cell growth, proliferation, apoptosis, and metabolism. Dysregulation of mTOR signaling occurs in many human diseases, and there are significant ongoing efforts to pharmacologically target this pathway. Long noncoding RNAs (lncRNA), defined by a length > 200 nucleotides and absence of a long open-reading-frame, are a class of non-protein-coding RNAs. Mutations and dysregulations of lncRNAs are directly linked to the development and progression of many diseases, including cancer, diabetes, and neurologic disorders. Recent findings reveal diverse functions for lncRNA that include transcriptional regulation, organization of nuclear domains, and regulation of proteins or RNA molecules. Despite considerable development in our understanding of lncRNA over the past decade, only a fraction of annotated lncRNAs has been examined for biological function. In addition, lncRNAs have emerged as therapeutic targets due to their ability to modulate multiple pathways, including mTOR signaling. This review will provide an up-to-date summary of lncRNAs that are involved in regulating mTOR pathway.

Original languageEnglish (US)
Article number194449
JournalBiochimica et Biophysica Acta - Gene Regulatory Mechanisms
Volume1863
Issue number4
DOIs
StatePublished - Apr 2020

Bibliographical note

Funding Information:
We thank Kara Eckberg for critically reviewing the manuscript. Research from the author laboratory was supported by the National Institute of Diabetes, Digestive and Kidney Diseases of the National Institutes of Health under award number: KO1-DK116934 .

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