ArticleBreast cancer research and treatment2022
USP17L2-SIRT7 axis regulates DNA damage repair and chemoresistance in breast cancer cells.
Article in Breast cancer research and treatment, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 28 citations in OpenAlex.
- USP17L2 Regulates SphK1 Ubiquitination and Stability during Autophagy and Pyroptosis in Mycoplasma Pneumoniae Pneumonia.Applied biochemistry and biotechnology · 2026Article
- A Double-Edged Role for SIRT7 in Cancer: Can Anti-Cancer Immunity Tip the Balance?Pharmaceuticals (Basel, Switzerland) · 2025Review
- JOSD2 alleviates acute kidney injury through deubiquitinating SIRT7 and negativity regulating SIRT7-NF-κB inflammatory pathway in renal tubular epithelial cells.Acta pharmacologica Sinica · 2025Article
- The dark side of SIRT7.Molecular and cellular biochemistry · 2024Review
- Crosstalk between O-GlcNAcylation and ubiquitination: a novel strategy for overcoming cancer therapeutic resistance.Experimental hematology & oncology · 2024Review
- SIRT7 promotes Hippo/YAP activation and cancer cell proliferation in hepatocellular carcinoma via suppressing MST1.Cancer science · 2024Article
- Molecular panorama of therapy resistance in prostate cancer: a pre-clinical and bioinformatics analysis for clinical translation.Cancer metastasis reviews · 2024Review
- p53 deficiency mediates cisplatin resistance by upregulating RRM2 and crotonylation of RRM2Frontiers in molecular biosciences · 2024Article
- The SIRT7-mediated deacetylation of CHD1L amplifies HIF-2α-dependent signal that drives renal cell carcinoma progression and sunitinib resistance.Cell & bioscience · 2023Article
- Sirtuins at the Crossroads between Mitochondrial Quality Control and Neurodegenerative Diseases: Structure, Regulation, Modifications, and Modulators.Aging and disease · 2023Review
Corrections and comments
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Authors and funding
10 authors at 4 institutions in 1 country.
Funding
Abstract
purposeSirtuin7 (SIRT7), as a member of the sirtuin and NAD
methodsUSP17L2 or SIRT7-targeting shRNAs were used to deplete USP17L2 or SIRT7. Western blot was applied to assess the effects of USP17L2 or SIRT7 depletion. A co-immunoprecipitation assay was used to detect the interaction relationship. Cell Counting Kit-8 assays were applied to assess the viability of breast cancer cells. An immunohistochemistry assay was employed to detect the protein level in samples from breast cancer patients, and the TCGA database was applied to analyze the survival rate of breast cancer patients. Statistical analyses were performed with the Student's t test (two-tailed unpaired) and χ
resultsWe find that the deubiquitinase USP17L2 interacts with and deubiquitinates SIRT7, thereby increasing SIRT7 protein stability. In addition, USP17L2 regulates DNA damage repair through SIRT7. Furthermore, SIRT7 polyubiquitination is increased by knocking down of USP17L2, which leads to cancer cells sensitizing to chemotherapy. In breast cancer patient samples, high expression of USP17L2 is correlated with increased levels of SIRT7 protein. In conclusion, our study demonstrates that the USP17L2-SIRT7 axis is the new regulator in DNA damage response and chemo-response, suggesting that USP17L2 may be a prognostic factor and a potential therapeutic target in breast cancer.
conclusionOur results highlighted that USP17L2 regulates the chemoresistance of breast cancer cells in a SIRT7-dependent manner. Moreover, the role of USP17L2 as a potential therapeutic target in breast cancer and a prognostic factor for patients was elucidated.
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