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The two TORCs and Akt

Prashanth T Bhaskar1, Nissim Hay

  • 1Department of Biochemistry and Molecular Genetics, University of Illinois at Chicago College of Medicine, 900 South Ashland Avenue, Chicago, IL 60607, USA.

Developmental Cell
|April 11, 2007
PubMed

Insights

This review explores the intricate relationship between Akt and the mechanistic target of rapamycin complexes (mTORCs). Understanding this interplay is crucial for insights into cell growth, metabolism, and diseases like cancer and aging.

Area of Science:

  • Molecular Biology
  • Cellular Biology
  • Biochemistry

Background:

  • The target of rapamycin (TOR) complexes, specifically TORC1 and TORC2, and the Akt kinase are key regulators of fundamental cellular processes.
  • Dysregulation of these pathways is implicated in major diseases, including cancer, diabetes, and aging.
  • Recent research has focused on elucidating the complex regulatory networks governing Akt and mTORC activities.

Purpose of the Study:

  • To review recent advancements in understanding the interplay between Akt and mTORCs.
  • To highlight the roles of these pathways in embryonic development.
  • To discuss the involvement of Akt and mTORCs in the pathogenesis of cancer.

Main Methods:

  • Literature review of recent scientific publications.
  • Analysis of experimental data on Akt and mTORC signaling pathways.
  • Synthesis of findings related to cellular and organismal functions.

Main Results:

  • The intricate regulatory crosstalk between Akt and mTORCs governs cell growth, metabolism, proliferation, survival, and differentiation.
  • These pathways are critical for normal embryonic development.
  • Aberrant Akt and mTORC signaling is a hallmark of many cancers, driving tumor initiation and progression.

Conclusions:

  • Deciphering the Akt-mTORC axis provides critical insights into fundamental biological processes.
  • Targeting the Akt-mTORC pathway holds therapeutic potential for diseases like cancer and age-related disorders.
  • Further research is needed to fully unravel the complexities of these regulatory circuits in development and disease.

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