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Drug discovery by targeting the protein-protein interactions involved in autophagy.


ABSTRACT: Autophagy is a cellular process in which proteins and organelles are engulfed in autophagosomal vesicles and transported to the lysosome/vacuole for degradation. Protein-protein interactions (PPIs) play a crucial role at many stages of autophagy, which present formidable but attainable targets for autophagy regulation. Moreover, selective regulation of PPIs tends to have a lower risk in causing undesired off-target effects in the context of a complicated biological network. Thus, small-molecule regulators, including peptides and peptidomimetics, targeting the critical PPIs involved in autophagy provide a new opportunity for innovative drug discovery. This article provides general background knowledge of the critical PPIs involved in autophagy and reviews a range of successful attempts on discovering regulators targeting those PPIs. Successful strategies and existing limitations in this field are also discussed.

SUBMITTER: Xiang H 

PROVIDER: S-EPMC10638514 | biostudies-literature | 2023 Nov

REPOSITORIES: biostudies-literature

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Drug discovery by targeting the protein-protein interactions involved in autophagy.

Xiang Honggang H   Zhou Mi M   Li Yan Y   Zhou Lu L   Wang Renxiao R  

Acta pharmaceutica Sinica. B 20230720 11


Autophagy is a cellular process in which proteins and organelles are engulfed in autophagosomal vesicles and transported to the lysosome/vacuole for degradation. Protein-protein interactions (PPIs) play a crucial role at many stages of autophagy, which present formidable but attainable targets for autophagy regulation. Moreover, selective regulation of PPIs tends to have a lower risk in causing undesired off-target effects in the context of a complicated biological network. Thus, small-molecule  ...[more]

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