4.7 Review

Pro-apoptotic and anti-apoptotic regulation mediated by deubiquitinating enzymes

Journal

CELLULAR AND MOLECULAR LIFE SCIENCES
Volume 79, Issue 2, Pages -

Publisher

SPRINGER BASEL AG
DOI: 10.1007/s00018-022-04132-5

Keywords

Cancer; Cell death; DUB; UPS

Funding

  1. National Research Foundation of Korea (NRF) - Ministry of Education [2020R1I1A207500311]

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Apoptosis is a structured cell death process involving cell morphology and biochemical changes, and the ubiquitin-proteasome system regulates the protein levels. Targeting UPS enzymes and controlling proteasomal degradation of apoptotic proteins could be a unique approach for cancer treatment.
Although damaged cells can be repaired, cells that are considered unlikely to be repaired are eliminated through apoptosis, a type of predicted cell death found in multicellular organisms. Apoptosis is a structured cell death involving alterations to the cell morphology and internal biochemical changes. This process involves the expansion and cracking of cells, changes in cell membranes, nuclear fragmentation, chromatin condensation, and chromosome cleavage, culminating in the damaged cells being eaten and processed by other cells. The ubiquitin-proteasome system (UPS) is a major cellular pathway that regulates the protein levels through proteasomal degradation. This review proposes that apoptotic proteins are regulated through the UPS and describes a unique direction for cancer treatment by controlling proteasomal degradation of apoptotic proteins, and small molecules targeted to enzymes associated with UPS.

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