The Other Side of the Coin: Protein Deubiquitination by Ubiquitin-Specific Protease 1 in Cancer Progression and Therapy

Overview

Journal Future Med Chem

Date 2025 Jan 17

PMID 39819213

Authors

Xinlan Hu

Yan Wu

Mengmeng Yao

Zhuo Chen

Qianbin Li

Affiliations

Soon will be listed here.

Abstract

Reversible protein ubiquitination is a crucial factor in cellular homeostasis, with Ubiquitin-Specific Protease 1 (USP1) serving as a key deubiquitinase involved in DNA damage response (DDR) and repair mechanisms in cancer. While ubiquitin ligases have been extensively studied, research on the reverse process of ubiquitination, particularly the mechanisms involving USP1, remains relatively limited. USP1 is overexpressed in various cancers, influencing tumor initiation and progression by regulating multiple associated proteins. Inhibiting USP1 effectively suppresses tumor proliferation and migration and may help overcome resistance to cisplatin and PARP inhibitors. As a potential synthetic lethal target, USP1 demonstrates significant research potential. This review highlights the biological mechanisms of USP1 in cancer progression, the signaling pathways it regulates, and the latest advancements in USP1 inhibitors, while also analyzing the opportunities and challenges of targeting USP1. By adopting the perspective of "the other side of the coin," this review aims to underscore the crucial yet often overlooked role of the deubiquitinase USP1, contrasting it with the extensively studied ubiquitin ligases, and emphasizing its therapeutic potential in cancer treatment.

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