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Updated: May 30, 2026

Isolation of Primary Mouse Hepatocytes for Nascent Protein Synthesis Analysis by Non-radioactive L-azidohomoalanine Labeling Method
Published on: October 23, 2018
Spatial regulation of the mTORC1 system in amino acids sensing pathway
1Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA.
Abstract:
The mammalian target of rapamycin (mTOR) is an evolutionarily conserved serine/threonine protein kinase that regulates numerous cellular processes including cell growth, proliferation, cell cycle, and autophagy. mTOR forms two different multi-protein complexes referred to as mTOR complex 1 (mTORC1) and mTORC2, and each complex exerts distinct functions exclusively. mTORC1 activity is sensitive to the selective inhibitor rapamycin, whereas mTORC2 is resistant. mTORC1 is regulated by many intra- and extra-cellular cues such as growth factors, nutrients, and energy-sensing signals, while mTORC2 senses ribosome maturation and growth factor signaling. This review focuses on current understandings by which mTORC1 pathway senses cellular nutrient availability for its activation.
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