Focus


Proteostasis

Proteostasis is a cellular network that ensures proteome integrity. In this focus issue, we present a collection of articles that discuss how recent advances in chemical biology are improving our mechanistic understanding of proteostasis and are guiding the development of chemical tools and small molecules to probe protein homeostasis.

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Editorial

Proteostasis

First aid for a damaged proteome p869

doi:10.1038/nchembio.1684

New insights into the regulatory mechanisms of protein folding and turnover are informing the development of chemical tools and small molecules to treat proteostasis disorders.


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Commentary

Proteostasis

Sculpting the proteome with small molecules pp870 - 874

Randall W King & Daniel Finley

doi:10.1038/nchembio.1671

The ubiquitin-proteasome system (UPS) pervades the biology of eukaryotes. Because it depends on the activity of hundreds of different enzymes and protein-protein interactions, the UPS provides many opportunities for selective modulation of the pathway with small molecules. Here we discuss the principles that underlie the development of effective inhibitors or activators of the pathway. We emphasize insights from structural analysis and describe strategies for evaluating the selectivity of compounds.


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Elements

Proteostasis

Rick Morimoto p875

Catherine Goodman

doi:10.1038/nchembio.1682

A pioneer in proteostasis is changing the way we think about organismal biology and human disease.


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Perspective

Proteostasis

Energy landscapes of functional proteins are inherently risky pp884 - 891

Anne Gershenson, Lila M Gierasch, Annalisa Pastore & Sheena E Radford

doi:10.1038/nchembio.1670


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Reviews

Proteostasis

Druggable sensors of the unfolded protein response pp892 - 901

Dustin J Maly & Feroz R Papa

doi:10.1038/nchembio.1664


Proteostasis

The intrinsic and extrinsic effects of N-linked glycans on glycoproteostasis pp902 - 910

Daniel N Hebert, Lydia Lamriben, Evan T Powers & Jeffery W Kelly

doi:10.1038/nchembio.1651


Proteostasis

Combating neurodegenerative disease with chemical probes and model systems pp911 - 920

Priyanka Narayan, Sepehr Ehsani & Susan Lindquist

doi:10.1038/nchembio.1663


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