Resveratrol and Lifespan in Model Organisms

Area of Science:

• Biogerontology
• Molecular Biology
• Nutraceuticals

Background:

• Resveratrol exhibits properties that may mimic caloric restriction (CR), a dietary intervention linked to longevity.
• CR's health benefits are recognized, but long-term adherence is challenging for humans.
• Resveratrol could offer an alternative strategy for improving health in aging and overweight populations without dietary changes.

Purpose of the Study:

• To review existing literature on resveratrol's impact on lifespan in various model organisms.
• To explore the molecular mechanisms and gene expression changes associated with resveratrol.
• To assess the potential of resveratrol supplementation in human clinical studies.

Main Methods:

• Literature review of studies on resveratrol and lifespan in yeast, flies, worms, and rodents.
• Analysis of in vivo and in vitro findings on molecular targets and gene expression.
• Summary of data from human clinical trials.

Main Results:

• Resveratrol prolonged lifespan in about 60% of model organism studies, but effects were inconsistent.
• Organism-specific responses were observed, with worms and killifish showing sensitivity, while flies and mice did not.
• Variability in outcomes may be attributed to factors like resveratrol dose, gender, genetics, and diet.

Conclusions:

• The evidence is inconclusive regarding resveratrol's role as a caloric restriction mimetic and its life-prolonging capabilities.
• Limited bioavailability of resveratrol may hinder its efficacy.
• Further investigation is required to establish resveratrol's true potential for human health benefits.