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Int J Biochem Mol Biol. 2013 Mar 31;4(1):1-26. Print 2013.

Relationship between the proteasomal system and autophagy.

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Laboratory of Stress and Pathologies of the Cytoskeleton, Unit of Functional and Adaptive Biology (BFA) affiliated with CNRS (EAC4413), University Paris Diderot-Paris 7 75250 Paris Cedex 13, France.


TWO MAJOR PATHWAYS DEGRADE MOST CELLULAR PROTEINS IN EUKARYOTIC CELLS: the ubiquitin-proteasome system (UPS), which usually degrades the majority of proteins, and autophagy, primarily responsible for the degradation of most long-lived or aggregated proteins and cellular organelles. Disruption of these processes can contribute to pathology of a variety of diseases. Further, both pathways are critical for the maintenance of several aspects of cellular homeostasis, but, until recently, were thought to be largely distinct. Recent advances in this field, however, now strongly suggest that their activities are carefully orchestrated through several interfacing elements that are presented and discussed in this review.


Proteasome; autophagy; homeostasis; ubiquitin


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