The metabolic syndrome, IGF-1, and insulin action

Yasumichi Arai, Toshio Kojima, Michiyo Takayama, Nobuyoshi Hirose

研究成果: Article査読

26 被引用数 (Scopus)

抄録

Recent studies have shown that insulin and insulin-like growth factor (IGF)-1 signaling are involved in the control of ageing and longevity in model organisms. Based on these studies, genes involved in the insulin/IGF-1 signaling pathway are believed to play a role in longevity throughout evolution and could also be important in determining human longevity. However, human studies have yielded conflicting and controversial results. In human, defects in insulin receptor signaling cause insulin resistance and diabetes, and IGF-1 deficiency is associated with an increased risk of cardiovascular disease and atherosclerosis. Interestingly, insulin sensitivity normally decreases during aging; however, centenarians were reported to maintain greatly increased insulin sensitivity and had a lower prevalence of the metabolic syndrome as compared to younger subjects. Additionally, a longitudinal study revealed that insulin-sensitizing hormones, including leptin and adiponectin, were significantly associated with the survival of centenarians, indicating that an efficient insulin response may influence human longevity.

本文言語English
ページ(範囲)124-128
ページ数5
ジャーナルMolecular and Cellular Endocrinology
299
1
DOI
出版ステータスPublished - 2009 2 5

ASJC Scopus subject areas

  • 生化学
  • 分子生物学
  • 内分泌学

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