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A longer and healthier life with TOR down-regulation: genetics and drugs

Ivana Bjedov1, Linda Partridge

  • 1Institute of Healthy Ageing, Department of Genetics, Evolution and Environment, University College London, Darwin Building, Gower Street, London WC1E 6BT, UK. i.bjedov@ucl.ac.uk

Biochemical Society Transactions
|March 25, 2011
PubMed

Insights

Target of rapamycin (TOR) pathway inhibition improves health and extends lifespan. This is achieved through mechanisms like reduced translation and increased autophagy, offering potential anti-aging benefits.

Area of Science:

  • Gerontology
  • Molecular Biology
  • Cellular Aging

Background:

  • The nutrient-sensing target of rapamycin (TOR) pathway regulates growth and metabolism.
  • Down-regulating TOR signaling is linked to extended lifespan in various organisms.
  • Rapamycin, a TOR pathway inhibitor, has shown promise in improving aging across model systems.

Purpose of the Study:

  • To explore the anti-aging effects of TOR pathway inhibition.
  • To elucidate the molecular mechanisms underlying TOR-mediated lifespan extension.

Main Methods:

  • Genetic down-regulation of the TOR pathway.
  • Pharmacological inhibition of the TOR pathway using rapamycin.
  • Analysis of aging phenotypes and molecular markers in model organisms.

Main Results:

  • TOR pathway inhibition, both genetic and pharmacological, improves healthspan and lifespan.
  • Key anti-aging mechanisms include reduced protein translation and enhanced autophagy.
  • Increased stress resistance and altered metabolic profiles are observed.

Conclusions:

  • Inhibiting the TOR pathway is a viable strategy for promoting longevity.
  • Understanding TOR signaling provides insights into fundamental aging processes.
  • Rapamycin and related compounds hold therapeutic potential for age-related conditions.

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