Reference: Riezman H (2004) Why do cells require heat shock proteins to survive heat stress? Cell Cycle 3(1):61-3

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Abstract


The cellular response to heat stress includes the induction of a group of proteins called the Heat Shock Proteins, whose functions include the synthesis of the thermoprotectant trehalose, refolding of denatured proteins, and ubiquitin- and proteasome-dependent degradation. Recent studies show that simply increasing the activity of ubiquitin- and proteasome-dependent degradation can replace the essential functions played by the induction of heat shock proteins during a heat stress. These results suggest that accumulation of denatured or aggregated proteins is the reason for the loss of cell viability due to heat stress.

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Journal Article | Research Support, Non-U.S. Gov't | Review
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Riezman H
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