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Aronson SL, Walker C, Thijssen B, van de Vijver KK, Horlings HM, Sanders J, Alkemade M, Koole SN, Lopez-Yurda M, Lok CAR, Rottenberg S, van Rheenen J, Sonke GS, van Driel WJ, Kester LA, Hahn K. Tumour microenvironment characterisation to stratify patients for hyperthermic intraperitoneal chemotherapy in high-grade serous ovarian cancer (OVHIPEC-1). Br J Cancer 2024; 131:565-576. [PMID: 38866963 PMCID: PMC11300911 DOI: 10.1038/s41416-024-02731-6] [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: 12/19/2023] [Revised: 05/14/2024] [Accepted: 05/17/2024] [Indexed: 06/14/2024] Open
Abstract
BACKGROUND Hyperthermic intraperitoneal chemotherapy (HIPEC) improves survival in patients with Stage III ovarian cancer following interval cytoreductive surgery (CRS). Optimising patient selection is essential to maximise treatment efficacy and avoid overtreatment. This study aimed to identify biomarkers that predict HIPEC benefit by analysing gene signatures and cellular composition of tumours from participants in the OVHIPEC-1 trial. METHODS Whole-transcriptome RNA sequencing data were retrieved from high-grade serous ovarian cancer (HGSOC) samples from 147 patients obtained during interval CRS. We performed differential gene expression analysis and applied deconvolution methods to estimate cell-type proportions in bulk mRNA data, validated by histological assessment. We tested the interaction between treatment and potential predictors on progression-free survival using Cox proportional hazards models. RESULTS While differential gene expression analysis did not yield any predictive biomarkers, the cellular composition, as characterised by deconvolution, indicated that the absence of macrophages and the presence of B cells in the tumour microenvironment are potential predictors of HIPEC benefit. The histological assessment confirmed the predictive value of macrophage absence. CONCLUSION Immune cell composition, in particular macrophages absence, may predict response to HIPEC in HGSOC and these hypothesis-generating findings warrant further investigation. CLINICAL TRIAL REGISTRATION NCT00426257.
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Affiliation(s)
- S Lot Aronson
- Center for Gynecologic Oncology Amsterdam, Department of Gynecologic Oncology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
- Department of Medical Oncology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Cédric Walker
- Institute of Animal Pathology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
- Graduate School for Cellular and Biomedical Sciences, University of Bern, Bern, Switzerland
| | - Bram Thijssen
- Division of Molecular Carcinogenesis, Oncode Institute, Netherlands Cancer Institute, Amsterdam, The Netherlands
- Oncode Institute, Utrecht, The Netherlands
| | - Koen K van de Vijver
- Center for Gynecologic Oncology Amsterdam, Department of Gynecologic Oncology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
- Department of Pathology & Cancer Research Institute Ghent (CRIG), Ghent University Hospital, Ghent, Belgium
| | - Hugo M Horlings
- Department of Pathology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Joyce Sanders
- Department of Pathology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Maartje Alkemade
- Core Facility Molecular Pathology and Biobanking, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Simone N Koole
- Center for Gynecologic Oncology Amsterdam, Department of Gynecologic Oncology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Marta Lopez-Yurda
- Department of Biometrics, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Christianne A R Lok
- Center for Gynecologic Oncology Amsterdam, Department of Gynecologic Oncology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Sven Rottenberg
- Institute of Animal Pathology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
- Bern Center for Precision Medicine, University of Bern, Bern, Switzerland
| | - Jacco van Rheenen
- Department of Molecular Pathology, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Gabe S Sonke
- Department of Medical Oncology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Willemien J van Driel
- Center for Gynecologic Oncology Amsterdam, Department of Gynecologic Oncology, The Netherlands Cancer Institute, Amsterdam, The Netherlands.
| | - Lennart A Kester
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | - Kerstin Hahn
- Department of Molecular Pathology, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, The Netherlands
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Zhou L, Shan Y, Li J, Li M, Meng Z, Guo N. Early growth response 1 regulates dual‑specificity protein phosphatase 1 and inhibits cell migration and invasion of tongue squamous cell carcinoma. Oncol Lett 2024; 27:240. [PMID: 38623570 PMCID: PMC11017821 DOI: 10.3892/ol.2024.14373] [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: 03/29/2023] [Accepted: 04/20/2024] [Indexed: 04/17/2024] Open
Abstract
Oral squamous cell carcinoma (OSCC) is one of the most common malignant tumors in the head and neck, and among the OSCCs, tongue squamous cell carcinoma (TSCC) is one of the most common types. Although therapy strategies have recently advanced, the prognosis of TSCC has not substantially improved. Metastasis is one of the main causes of patient mortality in TSCC; therefore, it is necessary to elucidate the mechanism by which TSCC metastasis is regulated. In the present study, the early growth response 1 (Egr-1) expression in TSCC was analyzed based on GEO datasets and the effect of Egr-1 in TSCC tumor cell migration and invasion was measured using Transwell assay. By overexpressing dual-specificity protein phosphatase 1 (DUSP1) in cells with Egr-1 knockdown using lentivirus infection, the role of DUSP1 in Egr-1-regulated TSCC cell migration and invasion was determined. By using luciferase and ChIP assays, the mechanism behind how DUSP1 is regulated by Egr-1 was detected. In the present study, it was demonstrated that Egr-1 was downregulated in TSCC and the knockdown of Egr-1 increased TSCC cell migration and invasion. The expression of Egr-1 was also correlated with DUSP1. The overexpression of DUSP1 in Egr-1 knockdown cells, reduced the level of cell migration and invasion. Furthermore, it was demonstrated that knockdown of Egr-1 inhibited the promoter activity of DUSP1 and the site through which Egr-1 regulates DUSP1 transcription was identified. In conclusion, the present study demonstrated that Egr-1 regulates TSCC cell migration and invasion through modulating DUSP1, suggesting the potential of Egr-1 and DUSP1 as therapy targets for TSCC.
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Affiliation(s)
- Longxun Zhou
- Department of Stomatology, Liaocheng People's Hospital, Medical School of Liaocheng University, Liaocheng, Shandong 252000, P.R. China
| | - Yuqun Shan
- Clinical Laboratory, Liaocheng People's Hospital, Medical School of Liaocheng University, Liaocheng, Shandong 252000, P.R. China
| | - Jun Li
- Precision Biomedical Laboratory, Liaocheng People's Hospital, Medical School of Liaocheng University, Liaocheng, Shandong 252000, P.R. China
| | - Min Li
- Precision Biomedical Laboratory, Liaocheng People's Hospital, Medical School of Liaocheng University, Liaocheng, Shandong 252000, P.R. China
| | - Zhen Meng
- Biomedical Laboratory, Medical School of Liaocheng University, Liaocheng, Shandong 252000, P.R. China
| | - Na Guo
- Department of Stomatology, Liaocheng People's Hospital, Medical School of Liaocheng University, Liaocheng, Shandong 252000, P.R. China
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3
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Zheng Y, Yang C, Xie S, Liu D, Wang H, Liu J. miR-199a-5p targets DUSP14 to regulate cell proliferation, invasion and stemness in non-small cell lung cancer. Heliyon 2024; 10:e29102. [PMID: 38644862 PMCID: PMC11033068 DOI: 10.1016/j.heliyon.2024.e29102] [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: 10/31/2023] [Revised: 03/31/2024] [Accepted: 04/01/2024] [Indexed: 04/23/2024] Open
Abstract
Background Non-small cell lung cancer (NSCLC) shows the highest morbidity among malignant tumors worldwide. Despite improvements of diagnosis and treatment, patient prognosis remains unfavorable. Therefore, there is a need to discover a novel treatment strategy for NSCLC. DUSP14 is related to various cancers as the regulatory factor for cellular processes. However, its specific roles in NSCLC and the upstream modulator remain largely unclear. Methods DUSP14 expression patterns within the lung cancer patient cohort from TCGA database were analyzed using UALCAN online tool. Different databases including miRDB, starbase, and Targetscan were employed to screen the upstream regulator of DUSP14. DUSP14 and miR-199a-5p expression was determined by qRT-PCR and Western blot techniques. To confirm binding interaction of DUSP14 with miR-199a-5p, we conducted a dual-luciferase reporter assay. Cell viability, migration, and stemness properties were assessed using CCK-8, EdU (5-ethynyl-2'-deoxyuridine) incorporation, transwell invasion, and sphere formation assays. The effect of DUSP14 silencing on tumorigenesis was assessed with the NSCLC cell xenograft mouse model. Results Our study discovered that DUSP14 exhibited high expression within NSCLC tumor samples, which is related to the dismal prognostic outcome in NSCLC patients. Silencing DUSP14 impaired NSCLC cell proliferation, migration, and tumor sphere formation. Besides, we identified miR-199a-5p as the upstream regulatory factor for DUSP14, and its expression was negatively related to DUSP14 level within NSCLC tissues. Introducing miR-199a-5p recapitulated the function of DUSP14 silencing in NSCLC cell aggressiveness and stemness. Moreover, knocking down DUSP14 efficiently inhibited tumor formation in NSCLC cells of the xenograft model. Conclusions Our study suggests that DUSP14 is negatively regulated by miR-199a-5p within NSCLC, whose overexpression is required for sustaining NSCLC cell proliferation, invasion and stemness.
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Affiliation(s)
- Ying Zheng
- Department of Anesthesiology, Yibin Second People's Hospital, No.96, North Street, Cuiping District, Yibin City, 644000, PR China
| | - Chaokun Yang
- Department of Thoracic Surgery, Yibin Second People's Hospital, No.96, North Street, Cuiping District, Yibin City, 644000, PR China
| | - Shaoqiang Xie
- Department of Thoracic Surgery, Yibin Second People's Hospital, No.96, North Street, Cuiping District, Yibin City, 644000, PR China
| | - Desheng Liu
- Department of Thoracic Surgery, Yibin Second People's Hospital, No.96, North Street, Cuiping District, Yibin City, 644000, PR China
| | - Hui Wang
- Department of Thoracic Surgery, Yibin Second People's Hospital, No.96, North Street, Cuiping District, Yibin City, 644000, PR China
| | - Jinxin Liu
- Department of Thoracic Surgery, Yibin Second People's Hospital, No.96, North Street, Cuiping District, Yibin City, 644000, PR China
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Liu X, Yu J, Li Y, Shi H, Jiao X, Liu X, Guo D, Li Z, Tian Y, Dai F, Niu Z, Zhou Y. Deciphering the tumor immune microenvironment of imatinib-resistance in advanced gastrointestinal stromal tumors at single-cell resolution. Cell Death Dis 2024; 15:190. [PMID: 38443340 PMCID: PMC10914684 DOI: 10.1038/s41419-024-06571-3] [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: 10/30/2023] [Revised: 02/16/2024] [Accepted: 02/21/2024] [Indexed: 03/07/2024]
Abstract
The heterogeneous nature of tumors presents a considerable obstacle in addressing imatinib resistance in advanced cases of gastrointestinal stromal tumors (GIST). To address this issue, we conducted single-cell RNA-sequencing in primary tumors as well as peritoneal and liver metastases from patients diagnosed with locally advanced or advanced GIST. Single-cell transcriptomic signatures of tumor microenvironment (TME) were analyzed. Immunohistochemistry and multiplex immunofluorescence staining were used to further validate it. This analysis revealed unique tumor evolutionary patterns, transcriptome features, dynamic cell-state changes, and different metabolic reprogramming. The findings indicate that in imatinib-resistant TME, tumor cells with activated immune and cytokine-mediated immune responses interacted with a higher proportion of Treg cells via the TIGIT-NECTIN2 axis. Future immunotherapeutic strategies targeting Treg may provide new directions for the treatment of imatinib-resistant patients. In addition, IDO1+ dendritic cells (DC) were highly enriched in imatinib-resistant TME, interacting with various myeloid cells via the BTLA-TNFRSF14 axis, while the interaction was not significant in imatinib-sensitive TME. Our study highlights the transcriptional heterogeneity and distinct immunosuppressive microenvironment of advanced GIST, which provides novel therapeutic strategies and innovative immunotherapeutic agents for imatinib resistance.
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Affiliation(s)
- Xuechao Liu
- Department of General Surgery, Affiliated Hospital of Qingdao University, 16# Jiangsu Road, Qingdao, Shandong, China
| | - Jing Yu
- School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Yi Li
- Department of General Surgery, Affiliated Hospital of Qingdao University, 16# Jiangsu Road, Qingdao, Shandong, China
| | - Hailei Shi
- Pathology Department, Affiliated Hospital of Qingdao University, 16# Jiangsu Road, Qingdao, Shandong, China
| | - Xuelong Jiao
- Department of General Surgery, Affiliated Hospital of Qingdao University, 16# Jiangsu Road, Qingdao, Shandong, China
| | - Xiaodong Liu
- Department of General Surgery, Affiliated Hospital of Qingdao University, 16# Jiangsu Road, Qingdao, Shandong, China
| | - Dong Guo
- Department of General Surgery, Affiliated Hospital of Qingdao University, 16# Jiangsu Road, Qingdao, Shandong, China
| | - Zequn Li
- Department of General Surgery, Affiliated Hospital of Qingdao University, 16# Jiangsu Road, Qingdao, Shandong, China
| | - Yulong Tian
- Department of General Surgery, Affiliated Hospital of Qingdao University, 16# Jiangsu Road, Qingdao, Shandong, China
| | - Fan Dai
- Zhejiang Provincial Key Laboratory of Crop Genetic Resources, Institute of Crop Science, Plant Precision Breeding Academy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, Zhejiang, China.
| | - Zhaojian Niu
- Department of General Surgery, Affiliated Hospital of Qingdao University, 16# Jiangsu Road, Qingdao, Shandong, China.
| | - Yanbing Zhou
- Department of General Surgery, Affiliated Hospital of Qingdao University, 16# Jiangsu Road, Qingdao, Shandong, China.
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Van Kleunen L, Ahmadian M, Post MD, Wolsky RJ, Rickert C, Jordan K, Hu J, Richer JK, Marjon NA, Behbakht K, Sikora MJ, Bitler BG, Clauset A. The spatial structure of the tumor immune microenvironment can explain and predict patient response in high-grade serous carcinoma. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.26.577350. [PMID: 38352574 PMCID: PMC10862769 DOI: 10.1101/2024.01.26.577350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/19/2024]
Abstract
Despite ovarian cancer being the deadliest gynecological malignancy, there has been little change to therapeutic options and mortality rates over the last three decades. Recent studies indicate that the composition of the tumor immune microenvironment (TIME) influences patient outcomes but are limited by a lack of spatial understanding. We performed multiplexed ion beam imaging (MIBI) on 83 human high-grade serous carcinoma tumors - one of the largest protein-based, spatially-intact, single-cell resolution tumor datasets assembled - and used statistical and machine learning approaches to connect features of the TIME spatial organization to patient outcomes. Along with traditional clinical/immunohistochemical attributes and indicators of TIME composition, we found that several features of TIME spatial organization had significant univariate correlations and/or high relative importance in high-dimensional predictive models. The top performing predictive model for patient progression-free survival (PFS) used a combination of TIME composition and spatial features. Results demonstrate the importance of spatial structure in understanding how the TIME contributes to treatment outcomes. Furthermore, the present study provides a generalizable roadmap for spatial analyses of the TIME in ovarian cancer research.
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Affiliation(s)
- Lucy Van Kleunen
- Department of Computer Science, University of Colorado, Boulder, USA
| | - Mansooreh Ahmadian
- Department of Biostatistics and Informatics, Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Miriam D Post
- Department of Pathology, The University of Colorado Anschutz Medical Campus
| | - Rebecca J Wolsky
- Department of Pathology, The University of Colorado Anschutz Medical Campus
| | - Christian Rickert
- Department of Immunology and Microbiology, The University of Colorado Anschutz Medical Campus
| | - Kimberly Jordan
- Department of Immunology and Microbiology, The University of Colorado Anschutz Medical Campus
| | - Junxiao Hu
- Department of Pediatrics, Cancer Center Biostatistics Core, University of Colorado Anschutz Medical Campus, CO, USA
| | - Jennifer K. Richer
- Department of Pathology, The University of Colorado Anschutz Medical Campus
| | - Nicole A. Marjon
- Department of OB/GYN, The University of Colorado Anschutz Medical Campus
| | - Kian Behbakht
- Department of OB/GYN, The University of Colorado Anschutz Medical Campus
| | - Matthew J. Sikora
- Department of Pathology, The University of Colorado Anschutz Medical Campus
| | - Benjamin G. Bitler
- Department of OB/GYN, The University of Colorado Anschutz Medical Campus
| | - Aaron Clauset
- Department of Computer Science, University of Colorado, Boulder, USA
- BioFrontiers Institute, University of Colorado, Boulder, CO, USA
- Santa Fe Institute, Santa Fe, NM, USA
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Güler S, Yalçın A. Expression of dual-specificity phosphatases in TGFß1-induced EMT in SKOV3 cells. Turk J Med Sci 2023; 53:640-646. [PMID: 37476896 PMCID: PMC10387886 DOI: 10.55730/1300-0144.5626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 02/21/2023] [Indexed: 07/22/2023] Open
Abstract
BACKGROUND The study aims to profile the dual-specificity phosphatases (DUSP) expression in response to Transforming growth factor β1 (TGFβ1)-induced epithelial- mesenchymal transition (EMT) in ovarian adenocarcinoma cells. METHODS The ovarian adenocarcinoma cell line SKOV3 was used as a TGFβ1-induced EMT model. Cells were incubated with 5 ng/mL TGFβ1 to induce EMT. EMT was confirmed with real-time qPCR, western blot, and immunofluorescence analyses of various EMT markers. Western blot was used to analyze phospho- and total MAPK protein levels. Typical and atypical DUSPs mRNA expression profile was determined by real-time qPCR. RESULTS The epithelial marker E-cadherin expressions were decreased and mesenchymal EMT markers Snail and Slug expression levelswere increased after TGFβ1 induction. Phosphorylation of ERK1/2 and p38 MAPK were enhanced in response to TGFβ1 treatment. The expression of DUSP2, DUSP6, DUSP8, DUSP10, and DUSP13 were decreased while DUSP7, DUSP16, DUSP18, DUSP21, and DUSP27 were increased by TGFβ1. DISCUSSION TGFβ1 induced EMT which was accompanied by increased activity of MAPKs, and led to marked changes in expressions of several DUSPs in SKOV3 cells.
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Affiliation(s)
- Sabire Güler
- Department of Histology and Embryology, Faculty of Veterinary Medicine, Bursa Uludag University, Bursa, Turkey
| | - Abdullah Yalçın
- Department of Biochemistry, Faculty of Veterinary Medicine, Bursa Uludag University, Bursa, Turkey
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McMellen A, Yamamoto TM, Qamar L, Sanders BE, Nguyen LL, Chavez DO, Bapat J, Berning A, Post MD, Johnson J, Behbakht K, Nurmemmedov E, Chuong EB, Bitler BG. ATF6-Mediated Signaling Contributes to PARP Inhibitor Resistance in Ovarian Cancer. Mol Cancer Res 2023; 21:3-13. [PMID: 36149636 PMCID: PMC9812934 DOI: 10.1158/1541-7786.mcr-22-0102] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 07/08/2022] [Accepted: 09/21/2022] [Indexed: 02/03/2023]
Abstract
High-grade serous ovarian cancer (HGSOC) is the deadliest ovarian cancer histotype due in-part to the lack of therapeutic options for chemotherapy-resistant disease. PARP inhibitors (PARPi) represent a targeted treatment. However, PARPi resistance is becoming a significant clinical challenge. There is an urgent need to overcome resistance mechanisms to extend disease-free intervals. We established isogeneic PARPi-sensitive and -resistant HGSOC cell lines. In three PARPi-resistant models, there is a significant increase in AP-1 transcriptional activity and DNA repair capacity. Using RNA-sequencing and an shRNA screen, we identified activating transcription factor 6 (ATF6) as a mediator of AP-1 activity, DNA damage response, and PARPi resistance. In publicly available datasets, ATF6 expression is elevated in HGSOC and portends a poorer recurrence-free survival. In a cohort of primary HGSOC tumors, higher ATF6 expression significantly correlated to PARPi resistance. In PARPi-resistant cell lines and a PDX model, inhibition of a known ATF6 regulator, p38, attenuated AP-1 activity and RAD51 foci formation, enhanced DNA damage, significantly inhibited tumor burden, and reduced accumulation of nuclear ATF6. IMPLICATIONS This study highlights that a novel p38-ATF6-mediated AP-1 signaling axis contributes to PARPi resistance and provides a clinical rationale for combining PARPi and AP-1 signaling inhibitors.
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Affiliation(s)
- Alexandra McMellen
- Cancer Biology Graduate Program, The University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Tomomi M. Yamamoto
- Department of Obstetrics & Gynecology, Division of Reproductive Sciences, The University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Lubna Qamar
- Department of Obstetrics & Gynecology, Division of Reproductive Sciences, The University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Brooke E. Sanders
- Department of Obstetrics & Gynecology, Division of Gynecologic Oncology, The University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Lily L. Nguyen
- Molecular Cellular Developmental Biology, The University of Colorado Boulder, Boulder, CO 80309, USA
| | - Daniela Ortiz Chavez
- Cancer Biology Graduate Program, The University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Jaidev Bapat
- Cancer Biology Graduate Program, The University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Amber Berning
- Department of Pathology, The University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Miriam D. Post
- Department of Pathology, The University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Joshua Johnson
- Department of Obstetrics & Gynecology, Division of Reproductive Sciences, The University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Kian Behbakht
- Department of Obstetrics & Gynecology, Division of Gynecologic Oncology, The University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | | | - Edward B. Chuong
- Molecular Cellular Developmental Biology, The University of Colorado Boulder, Boulder, CO 80309, USA
| | - Benjamin G. Bitler
- Department of Obstetrics & Gynecology, Division of Reproductive Sciences, The University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA,Corresponding author: Benjamin G. Bitler, Ph.D., 12700 East 19th Avenue, MS 8613, Aurora, CO 80045, USA; Phone: 303-724-0574;
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