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Bustos MA, Yokoe T, Shoji Y, Kobayashi Y, Mizuno S, Murakami T, Zhang X, Sekhar SC, Kim S, Ryu S, Knarr M, Vasilev SA, DiFeo A, Drapkin R, Hoon DSB. MiR-181a targets STING to drive PARP inhibitor resistance in BRCA- mutated triple-negative breast cancer and ovarian cancer. Cell Biosci 2023; 13:200. [PMID: 37932806 PMCID: PMC10626784 DOI: 10.1186/s13578-023-01151-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 10/24/2023] [Indexed: 11/08/2023] Open
Abstract
BACKGROUND Poly (ADP-ribose) polymerase inhibitors (PARPi) are approved for the treatment of BRCA-mutated breast cancer (BC), including triple-negative BC (TNBC) and ovarian cancer (OvCa). A key challenge is to identify the factors associated with PARPi resistance; although, previous studies suggest that platinum-based agents and PARPi share similar resistance mechanisms. METHODS Olaparib-resistant (OlaR) cell lines were analyzed using HTG EdgeSeq miRNA Whole Transcriptomic Analysis (WTA). Functional assays were performed in three BRCA-mutated TNBC cell lines. In-silico analysis were performed using multiple databases including The Cancer Genome Atlas, the Genotype-Tissue Expression, The Cancer Cell Line Encyclopedia, Genomics of Drug Sensitivity in Cancer, and Gene Omnibus Expression. RESULTS High miR-181a levels were identified in OlaR TNBC cell lines (p = 0.001) as well as in tumor tissues from TNBC patients (p = 0.001). We hypothesized that miR-181a downregulates the stimulator of interferon genes (STING) and the downstream proinflammatory cytokines to mediate PARPi resistance. BRCA1 mutated TNBC cell lines with miR-181a-overexpression were more resistant to olaparib and showed downregulation in STING and the downstream genes controlled by STING. Extracellular vesicles derived from PARPi-resistant TNBC cell lines horizontally transferred miR-181a to parental cells which conferred PARPi-resistance and targeted STING. In clinical settings, STING levels were positively correlated with interferon gamma (IFNG) response scores (p = 0.01). In addition, low IFNG response scores were associated with worse response to neoadjuvant treatment including PARPi for high-risk HER2 negative BC patients (p = 0.001). OlaR TNBC cell lines showed resistance to platinum-based drugs. OvCa cell lines resistant to platinum showed resistance to olaparib. Knockout of miR-181a significantly improved olaparib sensitivity in OvCa cell lines (p = 0.001). CONCLUSION miR-181a is a key factor controlling the STING pathway and driving PARPi and platinum-based drug resistance in TNBC and OvCa. The miR-181a-STING axis can be used as a potential marker for predicting PARPi responses in TNBC and OvCa tumors.
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Affiliation(s)
- Matias A Bustos
- Department of Translational Molecular Medicine, Saint John's Cancer Institute (SJCI) at Providence Saint John's Health Center (SJHC), 2200 Santa Monica Blvd, Santa Monica, CA, 90404, USA
| | - Takamichi Yokoe
- Department of Translational Molecular Medicine, Saint John's Cancer Institute (SJCI) at Providence Saint John's Health Center (SJHC), 2200 Santa Monica Blvd, Santa Monica, CA, 90404, USA
| | - Yoshiaki Shoji
- Department of Translational Molecular Medicine, Saint John's Cancer Institute (SJCI) at Providence Saint John's Health Center (SJHC), 2200 Santa Monica Blvd, Santa Monica, CA, 90404, USA
| | - Yuta Kobayashi
- Department of Translational Molecular Medicine, Saint John's Cancer Institute (SJCI) at Providence Saint John's Health Center (SJHC), 2200 Santa Monica Blvd, Santa Monica, CA, 90404, USA
| | - Shodai Mizuno
- Department of Translational Molecular Medicine, Saint John's Cancer Institute (SJCI) at Providence Saint John's Health Center (SJHC), 2200 Santa Monica Blvd, Santa Monica, CA, 90404, USA
| | - Tomohiro Murakami
- Department of Translational Molecular Medicine, Saint John's Cancer Institute (SJCI) at Providence Saint John's Health Center (SJHC), 2200 Santa Monica Blvd, Santa Monica, CA, 90404, USA
| | - Xiaoqing Zhang
- Department of Translational Molecular Medicine, Saint John's Cancer Institute (SJCI) at Providence Saint John's Health Center (SJHC), 2200 Santa Monica Blvd, Santa Monica, CA, 90404, USA
| | - Sreeja C Sekhar
- Department of Obstetrics & Gynecology, University Michigan, Ann Arbor, MI, 48109, USA
- Department of Pathology, Rogel Cancer Center, University Michigan, Ann Arbor, MI, 48109, USA
| | - SooMin Kim
- Department of Genome Sequencing, SJCI at Providence SJHC, Santa Monica, CA, 90404, USA
| | - Suyeon Ryu
- Department of Genome Sequencing, SJCI at Providence SJHC, Santa Monica, CA, 90404, USA
| | - Matthew Knarr
- Department of Obstetrics and Gynecology, Perelman School of Medicine, Penn Ovarian Cancer Research Center, University of Pennsylvania, Pennsylvania, PA, 19104, USA
| | - Steven A Vasilev
- Department of Gynecologic Oncology Research, SJCI at SJHC, Santa Monica, CA, 90404, USA
| | - Analisa DiFeo
- Department of Obstetrics & Gynecology, University Michigan, Ann Arbor, MI, 48109, USA
- Department of Pathology, Rogel Cancer Center, University Michigan, Ann Arbor, MI, 48109, USA
| | - Ronny Drapkin
- Department of Obstetrics and Gynecology, Perelman School of Medicine, Penn Ovarian Cancer Research Center, University of Pennsylvania, Pennsylvania, PA, 19104, USA
| | - Dave S B Hoon
- Department of Translational Molecular Medicine, Saint John's Cancer Institute (SJCI) at Providence Saint John's Health Center (SJHC), 2200 Santa Monica Blvd, Santa Monica, CA, 90404, USA.
- Department of Genome Sequencing, SJCI at Providence SJHC, Santa Monica, CA, 90404, USA.
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Wang J, Liu Q, Zhao Y, Fu J, Su J. Tumor Cells Transmit Drug Resistance via Cisplatin-Induced Extracellular Vesicles. Int J Mol Sci 2023; 24:12347. [PMID: 37569723 PMCID: PMC10418773 DOI: 10.3390/ijms241512347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Revised: 07/29/2023] [Accepted: 07/31/2023] [Indexed: 08/13/2023] Open
Abstract
Cisplatin is a first-line clinical agent used for treating solid tumors. Cisplatin damages the DNA of tumor cells and induces the production of high levels of reactive oxygen species to achieve tumor killing. Tumor cells have evolved several ways to tolerate this damage. Extracellular vesicles (EVs) are an important mode of information transfer in tumor cells. EVs can be substantially activated under cisplatin treatment and mediate different responses of tumor cells under cisplatin treatment depending on their different cargoes. However, the mechanism of action of tumor-cell-derived EVs under cisplatin treatment and their potential cargoes are still unclear. This review considers recent advances in cisplatin-induced release of EVs from tumor cells, with the expectation of providing a new understanding of the mechanisms of cisplatin treatment and drug resistance, as well as strategies for the combined use of cisplatin and other drugs.
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Affiliation(s)
| | | | | | | | - Jing Su
- Key Laboratory of Pathobiology, Department of Pathophysiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun 130012, China; (J.W.); (Q.L.); (Y.Z.); (J.F.)
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Genomic Amplification of UBQLN4 Is a Prognostic and Treatment Resistance Factor. Cells 2022; 11:cells11203311. [PMID: 36291176 PMCID: PMC9600423 DOI: 10.3390/cells11203311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/20/2022] [Accepted: 10/20/2022] [Indexed: 11/17/2022] Open
Abstract
Ubiquilin-4 (UBQLN4) is a proteasomal shuttle factor that directly binds to ubiquitylated proteins and delivers its cargo to the 26S proteasome for degradation. We previously showed that upregulated UBQLN4 determines the DNA damage response (DDR) through the degradation of MRE11A. However, the regulatory mechanism at DNA level, transcriptionally and post-transcriptional levels that control UBQLN4 mRNA levels remains unknown. In this study, we screened 32 solid tumor types and validated our findings by immunohistochemistry analysis. UBQLN4 is upregulated at both mRNA and protein levels and the most significant values were observed in liver, breast, ovarian, lung, and esophageal cancers. Patients with high UBQLN4 mRNA levels had significantly poor prognoses in 20 of 32 cancer types. DNA amplification was identified as the main mechanism promoting UBQLN4 upregulation in multiple cancers, even in the early phases of tumor development. Using CRISPR screen datasets, UBQLN4 was identified as a common essential gene for tumor cell viability in 81.1% (860/1,060) of the solid tumor derived cell lines. Ovarian cancer cell lines with high UBQLN4 mRNA levels were platinum-based chemotherapy resistant, while they were more sensitive to poly (adenosine diphosphate-ribose) polymerase inhibitors (PARPi). Our findings highlight the utilities of UBQLN4 as a significant pan-cancer theranostic factor and a precision oncology biomarker for DDR-related drug resistance.
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