Increasing longevity through caloric restriction or rapamycin feeding in mammals: common mechanisms for common outcomes?
Significant extension of lifespan in important mammalian species is bound to attract the attention not only of the aging research community, but also the media and the wider public. Two recent papers published by Harrison et al. (2009) in Nature and by Colman et al. (2009) in Science report increased longevity of mice fed with rapamycin and of rhesus monkeys undergoing caloric restriction, respectively. These papers have generated considerable debate in the aging community. Here we assess what is new about these findings, how they fit with our knowledge of lifespan extension from other studies and what prospects this new work holds out for improvements in human longevity and human health span.
Cox
Lynne S
LS
Department of Biochemistry, University of Oxford, South Parks Road, Oxford, OX1 3QU, UK. lynne.cox@bioch.ox.ac.uk
Mattison
Julie A
JA
D000818:Animals; D031204:Caloric Restriction / Q000379:methods*; D006801:Humans; D008017:Life Expectancy; D008136:Longevity / Q000187:drug effects / Q000502:physiology*; D008253:Macaca mulatta; D008322:Mammals / Q000254:growth & development* / Q000502:physiology; D051379:Mice; D020123:Sirolimus / Q000494:pharmacology*
D020123:Sirolimus
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