page_title: MTORC1
section_title: Activation at the lysosome
hierarchical_section_title: MTORC1 / Activation at the lysosome
caption_attribution_description: English: A picture showing how mTORC1 gets activated at the lysosome.
context_page_description: mTORC1, also known as mammalian target of rapamycin complex 1 or mechanistic target of rapamycin complex 1, is a protein complex that functions as a nutrient/energy/redox sensor and controls protein synthesis.
  mTOR Complex 1 is composed of mTOR itself, regulatory-associated protein of mTOR, mammalian lethal with SEC13 protein 8, PRAS40 and DEPTOR. This complex embodies the classic functions of mTOR, namely as a nutrient/energy/redox sensor and controller of protein synthesis. The activity of this complex is regulated by rapamycin, insulin, growth factors, phosphatidic acid, certain amino acids and their derivatives, mechanical stimuli, and oxidative stress.
  The role of mTORC1 is to activate translation of proteins. In order for cells to grow and proliferate by manufacturing more proteins, the cells must ensure that they have the resources available for protein production. Thus, for protein production, and therefore mTORC1 activation, cells must have adequate energy resources, nutrient availability, oxygen abundance, and proper growth factors in order for mRNA translation to begin.
caption: Activation of mTORC1 at the lysosome.
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