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Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Trends+Biochem+Sci 2015 ; 40 (3): 141-8 Nephropedia Template TP
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UPR, autophagy and mitochondria crosstalk underlies the ER stress response #MMPMID25656104
Senft D; Ronai ZA
Trends Biochem Sci 2015[Mar]; 40 (3): 141-8 PMID25656104show ga
Cellular stress, induced by external or internal cues, activates several well-orchestrated processes aimed at either restoring cellular homeostasis or committing to cell death. Those processes include the unfolded protein response (UPR), autophagy, hypoxia, and mitochondrial function, which are part of the global ER stress (ERS) response. When one of the ERS elements is impaired, as often occurs under pathological conditions, overall cellular homeostasis may be perturbed. Further, activation of the UPR could trigger changes in mitochondrial function or autophagy, which could modulate the UPR, exemplifying cross-talk processes. Among the numerous factors that control the magnitude or duration of these processes are ubiquitin ligases, which govern overall cellular stress outcomes. Here we summarize crosstalk among fundamental processes governing ERS responses.