ArticleOncogene2023
De-ubiquitination of SAMHD1 by USP7 promotes DNA damage repair to overcome oncogenic stress and affect chemotherapy sensitivity.
Article in Oncogene, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 24 citations in OpenAlex.
- Gomisin B promotes RSL3-induced ferroptosis in neuroblastoma by inhibiting the ESR1/USP7/SREBF1 axis.Cell biology and toxicology · 2026Article
- USP7 deubiquitinase stabilizes FAN1 to support DNA crosslink repair and suppress CAG repeat expansion.Nature communications · 2026Article
- METTL14 Promotes the Osteogenic Differentiation of Human Bone Marrow Stromal Cells via m6A-Dependent Stabilization of USP7 mRNA.Biochemical genetics · 2026Article
- USP7 at the Crossroads of Ubiquitin Signaling, Cell Cycle, and Tumorigenesis.Molecules (Basel, Switzerland) · 2025Review
- USP7-Mediated ICAM1 Facilitates Lipopolysaccharide-Induced Human Pulmonary Microvascular Endothelial Cell Injury to Accelerate Pediatric Acute Respiratory Distress Syndrome.The clinical respiratory journal · 2025Article
- Review
- Understanding the interplay between dNTP metabolism and genome stability in cancer.Disease models & mechanisms · 2024Review
- Ubiquitination and deubiquitination in cancer: from mechanisms to novel therapeutic approaches.Molecular cancer · 2024Review
- Molecular characterization, clinical value, and cancer-immune interactions of genes related to disulfidptosis and ferroptosis in colorectal cancer.Discover oncology · 2024Article
- Drug resistance mechanisms and treatment strategies mediated by Ubiquitin-Specific Proteases (USPs) in cancers: new directions and therapeutic options.Molecular cancer · 2024Review
- ER Stress-Activated HSF1 Governs Cancer Cell Resistance to USP7 Inhibitor-Based Chemotherapy through the PERK Pathway.International journal of molecular sciences · 2024Article
- New insights into SUMOylation and NEDDylation in fibrosis.Frontiers in pharmacology · 2024Review
- USP7 reduces the level of nuclear DICER, impairing DNA damage response and promoting cancer progression.Molecular oncology · 2024Article
Corrections and comments
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Authors and funding
37 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Oncogenic stress induces DNA damage repair (DDR) that permits escape from mitotic catastrophe and allows early precursor lesions during the evolution of cancer. SAMHD1, a dNTPase protecting cells from viral infections, has been recently found to participate in DNA damage repair process. However, its role in tumorigenesis remains largely unknown. Here, we show that SAMHD1 is up-regulated in early-stage human carcinoma tissues and cell lines under oxidative stress or genotoxic insults. We further demonstrate that de-ubiquitinating enzyme USP7 interacts with SAMHD1 and de-ubiquitinates it at lysine 421, thus stabilizing SAMHD1 protein expression for further interaction with CtIP for DDR, which promotes tumor cell survival under genotoxic stress. Furthermore, SAMHD1 levels positively correlates with USP7 in various human carcinomas, and is associated with an unfavorable survival outcome in patients who underwent chemotherapy. Moreover, USP7 inhibitor sensitizes tumor cells to chemotherapeutic agents by decreasing SAMHD1 in vitro and in vivo. These findings suggest that de-ubiquitination of SAMHD1 by USP7 promotes DDR to overcome oncogenic stress and affect chemotherapy sensitivity.
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