Cited by 248PI3K/AKT/mTOR signaling in cancerRNA and protein synthesis mechanismsBiochemical and Molecular Research

mTORC1 signaling controls multiple steps in ribosome biogenesis

Iadevaia, Valentina, Liu, Rui, Proud, Christopher G.·2014·Seminars in Cell & Developmental Biology

Abstract

Ribosome biogenesis is critical for cells to generate the ribosomes they need for protein synthesis in order to survive, grow and proliferate. It is a complex process, involving the coordinated production of four different RNA species and about 80 proteins, as well as their assembly into functional ribosomal subunits. Given its high demand for amino acids and nucleotides, it is also a metabolically expensive process for the cell. The mammalian target of rapamycin complex 1 (mTORC1) is a protein kinases which is activated by nutrients, anabolic hormones and oncogenic signaling pathways. mTORC1 positively regulates several steps in ribosome biogenesis, including ribosomal RNA transcription, the synthesis of ribosomal proteins and other components required for ribosome assembly. mTORC1 can thus coordinate stimuli which promote ribosome production with the various steps involved in this process. Although important advances have been made in our understanding of mTORC1 signaling, major questions remain about the molecular mechanisms by which it regulates ribosome biogenesis.

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Crossref · 10.1016/j.semcdb.2014.08.004

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Authors
Iadevaia, V., Liu, R., & Proud, C. G.
Affiliations
University of Southampton (GB)
Corresponding author
Proud, Christopher G.
Venue
Seminars in Cell & Developmental Biology
Publisher
Elsevier BV
Published
2014-12
Volume
36
Pages
113-120
ISSN
1084-9521 (ISSN-L)
OpenAlex
W1965611273
Cited by
248
References
95
Citations by year
2026: 10 · 2025: 25 · 2024: 19 · 2023: 28 · 2022: 29 · 2021: 29 · 2020: 20 · 2019: 21 · 2018: 26 · 2017: 18 · 2016: 11 · 2015: 9 · 2014: 3
FWCI
1.29
Type
journal article
Language
en
Open access
closed
Locations
  • Seminars in Cell and Developmental Biology (publishedVersion)
  • PubMed (publishedVersion)
  • Open Research (University of Surrey) (submittedVersion)
  • Adelaide Research & Scholarship (AR&S) (University of Adelaide) (submittedVersion)
  • Surrey Research Insight Open Access (The University of Surrey) (submittedVersion)
Funders
Cancer Research UK
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › PI3K/AKT/mTOR signaling in cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Biochemical and Molecular Research
Keywords
mTORC1 signaling, ribosome biogenesis, rDNA transcription, ribosomal protein synthesis, ribosome assembly, nutrient signaling, kinase regulation
MeSH terms
Mechanistic Target of Rapamycin Complex 1, Humans, Ribosomal Proteins, Ribosomes, RNA Polymerase I, RNA Polymerase III, RNA, Ribosomal, Protein Biosynthesis, Signal Transduction, Multiprotein Complexes, TOR Serine-Threonine Kinases

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