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  • Insulin/IGF-I-signaling pathway: an evolutionarily conserved mechanism of longevity from yeast to humans
  • Barbieri M; Bonafe M; Franceschi C; Paolisso G
  • Am J Physiol Endocrinol Metab 2003[Nov]; 285 (5): E1064-71
  • Although the underlying mechanisms of longevity are not fully understood, it is known that mutation in genes that share similarities with those in humans involved in the insulin/insulin-like growth factor I (IGF-I) signal response pathway can significantly extend life span in diverse species, including yeast, worms, fruit flies, and rodents. Intriguingly, the long-lived mutants, ranging from yeast to mice, share some important phenotypic characteristics, including reduced insulin signaling, enhanced sensitivity to insulin, and reduced IGF-I plasma levels. Such genetic homologies and phenotypic similarities between insulin/IGF-I pathway mutants raise the possibility that the fundamental mechanism of aging may be evolutionarily conserved from yeast to mammals. Very recent findings also provide novel and intriguing evidence for the involvement of insulin and IGF-I in the control of aging and longevity in humans. In this study, we focus on how the insulin/IGF-I pathway controls yeast, nematode, fruit fly, and rodent life spans and how it is related to the aging process in humans to outline the prospect of a unifying mechanism in the genetics of longevity.
  • |*Biological Evolution[MESH]
  • |*Longevity[MESH]
  • |*Signal Transduction[MESH]
  • |Aging[MESH]
  • |Animals[MESH]
  • |Caenorhabditis elegans[MESH]
  • |Drosophila melanogaster[MESH]
  • |Humans[MESH]
  • |Insulin-Like Growth Factor I/*metabolism[MESH]
  • |Insulin/*metabolism[MESH]
  • |Mice[MESH]
  • |Saccharomyces cerevisiae[MESH]





  • *{{pmid14534077}}
    *<b>[http://www.kidney.de/mlpefetch.php?search=14534077 Insulin/IGF-I-signaling pathway: an evolutionarily conserved mechanism of longevity from yeast to humans ]</b> Am J Physiol Endocrinol Metab 2003; 285(5) ; E1064-71 Barbieri M; Bonafe M; Franceschi C; Paolisso G

        *14534077*

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    Am J Physiol Endocrinol Metab

    E1064 5.285 2003