G-Protein Coupled Receptor Signaling and Mammalian Target of Rapamycin Complex 1 Regulation

Mol Pharmacol. 2022 Apr;101(4):181-190. doi: 10.1124/molpharm.121.000302. Epub 2021 Dec 28.

Abstract

The mammalian target of rapamycin (mTOR) senses upstream stimuli to regulate numerous cellular functions such as metabolism, growth, and autophagy. Increased activation of mTOR complex 1 (mTORC1) is typically observed in human disease and continues to be an important therapeutic target. Understanding the upstream regulators of mTORC1 will provide a crucial link in targeting hyperactivated mTORC1 in human disease. In this mini-review, we will discuss the regulation of mTORC1 by upstream stimuli, with a specific focus on G-protein coupled receptor signaling to mTORC1. SIGNIFICANCE STATEMENT: mTORC1 is a master regulator of many cellular processes and is often hyperactivated in human disease. Therefore, understanding the molecular underpinnings of G-protein coupled receptor signaling to mTORC1 will undoubtedly be beneficial for human disease.

Publication types

  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't
  • Review

MeSH terms

  • Humans
  • Mechanistic Target of Rapamycin Complex 1 / metabolism
  • Phosphorylation
  • Receptors, G-Protein-Coupled / metabolism
  • Signal Transduction*
  • TOR Serine-Threonine Kinases* / metabolism

Substances

  • Receptors, G-Protein-Coupled
  • Mechanistic Target of Rapamycin Complex 1
  • TOR Serine-Threonine Kinases