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KMID : 0578320220450110763
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Molecules and Cells
2022 Volume.45 No. 11 p.763 ~ p.770
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Recent Progress in Regulation of Aging by Insulin/IGF-1 Signaling in Caenorhabditis elegans
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Lee Han-Seul
Lee Seung-Jae V.
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Abstract
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Caenorhabditis elegans has been used as a major model organism to identify genetic factors that regulate organismal aging and longevity. Insulin/insulin-like growth factor 1 (IGF- 1) signaling (IIS) regulates aging in many species, ranging from nematodes to humans. C. elegans is a nonpathogenic genetic nematode model, which has been extensively utilized to identify molecular and cellular components that function in organismal aging and longevity. Here, we review the recent progress in the role of IIS in aging and longevity, which involves direct regulation of protein and RNA homeostasis, stress resistance, metabolism and the activities of the endocrine system. We also discuss recently identified genetic factors that interact with canonical IIS components to regulate aging and health span in C. elegans. We expect this review to provide valuable insights into understanding animal aging, which could eventually help develop anti-aging drugs for humans.
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KEYWORD
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Caenorhabditis elegans, aging, health span, homeostasis, insulin/IGF-1 signaling, longevity.
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