Remodeling of Proteostasis Upon Transition to Adulthood is Linked to Reproduction Onset

ISSN: 1875-5488 (Online)
ISSN: 1389-2029 (Print)

Volume 18, 6 Issues, 2017

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Current Genomics

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Christian Néri
Institute of Biology Paris-Seine
CNRS UMR 8256 and UPMC
Paris, 75005

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Review Article

Remodeling of Proteostasis Upon Transition to Adulthood is Linked to Reproduction Onset

Current Genomics, 15(2): 122-129.

Author(s): Nadav Shai, Netta Shemesh and Anat Ben-Zvi.

Affiliation: Department of Life Sciences, National Institute for Biotechnology in the Negev, Ben-Gurion University of the Negev P.O. Box 653, Beer Sheva 84105, Israel.


Protein folding and clearance networks sense and respond to misfolded and aggregation-prone proteins by activating cytoprotective cell stress responses that safeguard the proteome against damage, maintain the health of the cell, and enhance lifespan. Surprisingly, cellular proteostasis undergoes a sudden and widespread failure early in Caenorhabditis elegans adulthood, with marked consequences on proteostasis functions later in life. These changes in the regulation of quality control systems, such as chaperones, the ubiquitin proteasome system and cellular stress responses, are controlled cell-nonautonomously by the proliferation of germline stem cells. Here, we review recent studies examining changes in proteostasis upon transition to adulthood and how proteostasis is modulated by reproduction onset, focusing on C. elegans. Based on these and our own findings, we propose that the regulation of quality control systems is actively remodeled at the point of transition between development and adulthood to influence the subsequent course of aging.


Aging, Autophagy, Caenorhabditis elegans, Chaperones, Folding, Germline stem cells, Misfolding, Ubiquitin proteasome system.

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Article Details

Volume: 15
Issue Number: 2
First Page: 122
Last Page: 129
Page Count: 8
DOI: 10.2174/1389202915666140221005023
Price: $58

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