A steroid receptor-microRNA switch regulates life span in response to signals 
from the gonad

Shen, Y.; Wollam, J.; Magner, D.B.; Karalay, O.; Antebi, A.

doi:10.1126/science.1228967

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A steroid receptor-microRNA switch regulates life span in response to signals from the gonad

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Shen, Y.
Department Antebi - Molecular Genetics of Ageing, Max Planck Institute for Biology of Ageing, Max Planck Society;

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Wollam, J.
Department Antebi - Molecular Genetics of Ageing, Max Planck Institute for Biology of Ageing, Max Planck Society;

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Magner, D.B.
Department Antebi - Molecular Genetics of Ageing, Max Planck Institute for Biology of Ageing, Max Planck Society;

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Karalay, O.
Department Antebi - Molecular Genetics of Ageing, Max Planck Institute for Biology of Ageing, Max Planck Society;

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Antebi, A.
Department Antebi - Molecular Genetics of Ageing, Max Planck Institute for Biology of Ageing, Max Planck Society;

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https://www.ncbi.nlm.nih.gov/pubmed/23239738
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Citation

Shen, Y., Wollam, J., Magner, D., Karalay, O., & Antebi, A. (2012). A steroid receptor-microRNA switch regulates life span in response to signals from the gonad. Science, 338(6113), 1472-6. doi:10.1126/science.1228967.

Cite as: https://hdl.handle.net/21.11116/0000-000B-6F00-9

Abstract

Although the gonad primarily functions in procreation, it also affects animal life span. Here, we show that removal of the Caenorhabditis elegans germ line triggers a switch in the regulatory state of the organism to promote longevity, co-opting components involved in larval developmental timing circuits. These components include the DAF-12 steroid receptor, which is involved in the larval stage two-to-stage three (L2-L3) transition and up-regulates members of the let-7 microRNA (miRNA) family. The miRNAs target an early larval nuclear factor lin-14 and akt-1/kinase, thereby stimulating DAF-16/FOXO signaling to extend life. Our studies suggest that metazoan life span is coupled to the gonad through elements of a developmental timer.