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Caloric restriction mimetics: the next phase.

George S Roth1, Mark A Lane, Donald K Ingram

  • 1GeroScience, Inc., Pylesville, Maryland 21132, USA. geor@iximed.com

Annals of the New York Academy of Sciences
|January 10, 2006
PubMed
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Calorie restriction (CR) mimetics offer anti-aging benefits similar to CR. Research explores various CR mimetics, like glycolytic inhibitors, to promote health and longevity, overcoming challenges of long-term CR adherence.

Area of Science:

  • Gerontology and aging research.
  • Metabolic pathways and their impact on aging.
  • Pharmacological interventions for healthspan extension.

Background:

  • Calorie restriction (CR) is the only proven intervention to slow aging and enhance healthspan across species.
  • CR mimetics are agents designed to replicate CR's beneficial effects without strict dietary limitations.
  • Physiological changes associated with CR, such as reduced insulin levels and body temperature, are linked to longevity.

Purpose of the Study:

  • To review and analyze the current landscape of calorie restriction (CR) mimetics.
  • To discuss the potential of various CR mimetic candidates, including glycolytic inhibitors, lipid-regulating agents, antioxidants, and gene modulators.
  • To highlight the ongoing research and potential clinical applications of CR mimetics.

Related Experiment Videos

Main Methods:

  • Review of existing literature on CR and CR mimetics.
  • Analysis of studies on 2-deoxyglucose as a lead CR mimetic compound.
  • Examination of physiological markers (insulin, body temperature, dehydroepiandroepiandrosterone) correlated with longevity in humans and effects in animal models.

Main Results:

  • 2-deoxyglucose, a glycolytic inhibitor, mimicked CR effects in rats (lower insulin, body temperature) but showed toxicity, preventing lifespan extension.
  • Lower insulin and body temperature correlate with longevity in non-CR humans and are observed in humans undergoing short-term CR.
  • A diverse range of CR mimetic candidates are under investigation, showing promise for healthspan extension.

Conclusions:

  • CR mimetics are crucial for achieving CR's health benefits due to the difficulty of long-term CR adherence.
  • Ongoing research into various CR mimetics, including glycolytic inhibitors and other agents, holds significant promise for future anti-aging strategies.
  • Further basic investigations and potential clinical trials are essential to validate the efficacy and safety of CR mimetics for promoting health and longevity.