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Hosni S, Kilian V, Klümper N, Gabbia D, Sieckmann K, Corvino D, Winkler A, Saponaro M, Wörsdörfer K, Schmidt D, Hahn O, Zanotto I, Bertlich M, Toma M, Bald T, Eckstein M, Hölzel M, Geyer M, Ritter M, Wachten D, De Martin S, Alajati A. Adipocyte Precursor-Derived NRG1 Promotes Resistance to FGFR Inhibition in Urothelial Carcinoma. Cancer Res 2024; 84:725-740. [PMID: 38175774 PMCID: PMC10911805 DOI: 10.1158/0008-5472.can-23-1398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 09/12/2023] [Accepted: 12/21/2023] [Indexed: 01/06/2024]
Abstract
Aberrations of the fibroblast growth factor receptor (FGFR) family members are frequently observed in metastatic urothelial cancer (mUC), and blocking the FGF/FGFR signaling axis is used as a targeted therapeutic strategy for treating patients. Erdafitinib is a pan-FGFR inhibitor, which has recently been approved by the FDA for mUC with FGFR2/3 alterations. Although mUC patients show initial response to erdafitinib, acquired resistance rapidly develops. Here, we found that adipocyte precursors promoted resistance to erdafitinib in FGFR-dependent bladder and lung cancer in a paracrine manner. Moreover, neuregulin 1 (NRG1) secreted from adipocyte precursors was a mediator of erdafitinib resistance by activating human epidermal growth factor receptor 3 (ERBB3; also known as HER3) signaling, and knockdown of NRG1 in adipocyte precursors abrogated the conferred paracrine resistance. NRG1 expression was significantly downregulated in terminally differentiated adipocytes compared with their progenitors. Pharmacologic inhibition of the NRG1/HER3 axis using pertuzumab reversed erdafitinib resistance in tumor cells in vitro and prolonged survival of mice bearing bladder cancer xenografts in vivo. Remarkably, data from single-cell RNA sequencing revealed that NRG1 was enriched in platelet-derived growth factor receptor-A (PDGFRA) expressing inflammatory cancer-associated fibroblasts, which is also expressed on adipocyte precursors. Together, this work reveals a paracrine mechanism of anti-FGFR resistance in bladder cancer, and potentially other cancers, that is amenable to inhibition using available targeted therapies. SIGNIFICANCE Acquired resistance to FGFR inhibition can be rapidly promoted by paracrine activation of the NRG1/HER3 axis mediated by adipocyte precursors and can be overcome by the combination of pertuzumab and erdafitinib treatment. See related commentary by Kolonin and Anastassiou, p. 648.
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Affiliation(s)
- Sana Hosni
- Department of Urology and Pediatric Urology, University Hospital Bonn (UKB), Bonn, Germany
| | - Viola Kilian
- Department of Urology and Pediatric Urology, University Hospital Bonn (UKB), Bonn, Germany
| | - Niklas Klümper
- Department of Urology and Pediatric Urology, University Hospital Bonn (UKB), Bonn, Germany
- Institute of Experimental Oncology, University Hospital Bonn (UKB), Bonn, Germany
| | - Daniela Gabbia
- Department of Pharmaceutical and Pharmacological Sciences, University of Padua, Padua, Italy
| | - Katharina Sieckmann
- Institute of Innate Immunity, Medical Faculty, University of Bonn, Bonn, Germany
| | - Dillon Corvino
- Institute of Experimental Oncology, University Hospital Bonn (UKB), Bonn, Germany
| | - Anja Winkler
- Department of Urology and Pediatric Urology, University Hospital Bonn (UKB), Bonn, Germany
| | - Miriam Saponaro
- Department of Urology and Pediatric Urology, University Hospital Bonn (UKB), Bonn, Germany
| | - Karin Wörsdörfer
- Department of Urology and Pediatric Urology, University Hospital Bonn (UKB), Bonn, Germany
| | - Doris Schmidt
- Department of Urology and Pediatric Urology, University Hospital Bonn (UKB), Bonn, Germany
| | - Oliver Hahn
- Clinic of Urology, University Hospital Göttingen, Göttingen, Germany
- Clinic of Urology, University Hospital Würzburg, Würzburg, Germany
| | - Ilaria Zanotto
- Department of Pharmaceutical and Pharmacological Sciences, University of Padua, Padua, Italy
| | - Marina Bertlich
- Department of Urology and Pediatric Urology, University Hospital Bonn (UKB), Bonn, Germany
| | - Marieta Toma
- Institute of Pathology, University Hospital Bonn (UKB), Bonn, Germany
| | - Tobias Bald
- Institute of Experimental Oncology, University Hospital Bonn (UKB), Bonn, Germany
| | - Markus Eckstein
- Institute of Pathology, University Hospital Erlangen, Erlangen-Nuernberg (FAU), Erlangen, Germany
| | - Michael Hölzel
- Institute of Experimental Oncology, University Hospital Bonn (UKB), Bonn, Germany
| | - Matthias Geyer
- Institute of Structural Biology, Medical Faculty, University of Bonn, Bonn, Germany
| | - Manuel Ritter
- Department of Urology and Pediatric Urology, University Hospital Bonn (UKB), Bonn, Germany
| | - Dagmar Wachten
- Institute of Innate Immunity, Medical Faculty, University of Bonn, Bonn, Germany
| | - Sara De Martin
- Department of Pharmaceutical and Pharmacological Sciences, University of Padua, Padua, Italy
| | - Abdullah Alajati
- Department of Urology and Pediatric Urology, University Hospital Bonn (UKB), Bonn, Germany
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Shi H, Tan Z, Duan B, Guo C, Li C, Luan T, Li N, Huang Y, Chen S, Gao J, Feng W, Xu H, Wang J, Fu S, Wang H. LASS2 enhances chemosensitivity to cisplatin by inhibiting PP2A-mediated β-catenin dephosphorylation in a subset of stem-like bladder cancer cells. BMC Med 2024; 22:19. [PMID: 38191448 PMCID: PMC10775422 DOI: 10.1186/s12916-023-03243-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Accepted: 11/01/2023] [Indexed: 01/10/2024] Open
Abstract
BACKGROUND The benefits of first-line, cisplatin-based chemotherapy for muscle-invasive bladder cancer are limited due to intrinsic or acquired resistance to cisplatin. Increasing evidence has revealed the implication of cancer stem cells in the development of chemoresistance. However, the underlying molecular mechanisms remain to be elucidated. This study investigates the role of LASS2, a ceramide synthase, in regulating Wnt/β-catenin signaling in a subset of stem-like bladder cancer cells and explores strategies to sensitize bladder cancer to cisplatin treatment. METHODS Data from cohorts of our center and published datasets were used to evaluate the clinical characteristics of LASS2. Flow cytometry was used to sort and analyze bladder cancer stem cells (BCSCs). Tumor sphere formation, soft agar colony formation assay, EdU assay, apoptosis analysis, cell viability, and cisplatin sensitivity assay were used to investigate the functional roles of LASS2. Immunofluorescence, immunoblotting, coimmunoprecipitation, LC-MS, PCR array, luciferase reporter assays, pathway reporter array, chromatin immunoprecipitation, gain-of-function, and loss-of-function approaches were used to investigate the underlying mechanisms. Cell- and patient-derived xenograft models were used to investigate the effect of LASS2 overexpression and a combination of XAV939 on cisplatin sensitization and tumor growth. RESULTS Patients with low expression of LASS2 have a poorer response to cisplatin-based chemotherapy. Loss of LASS2 confers a stem-like phenotype and contributes to cisplatin resistance. Overexpression of LASS2 results in inhibition of self-renewal ability of BCSCs and increased their sensitivity to cisplatin. Mechanistically, LASS2 inhibits PP2A activity and dissociates PP2A from β-catenin, preventing the dephosphorylation of β-catenin and leading to the accumulation of cytosolic phospho-β-catenin, which decreases the transcription of the downstream genes ABCC2 and CD44 in BCSCs. Overexpression of LASS2 combined with a tankyrase inhibitor (XAV939) synergistically inhibits tumor growth and restores cisplatin sensitivity. CONCLUSIONS Targeting the LASS2 and β-catenin pathways may be an effective strategy to overcome cisplatin resistance and inhibit tumor growth in bladder cancer patients.
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Affiliation(s)
- Hongjin Shi
- Department of Urology, the Second Affiliated Hospital of Kunming Medical University, Kunming, China
- Yunnan Clinical Medical Center of Urological Disease, Kunming, China
- Kunming Medical University, Kunming, China
| | - Zhiyong Tan
- Department of Urology, the Second Affiliated Hospital of Kunming Medical University, Kunming, China
- Yunnan Clinical Medical Center of Urological Disease, Kunming, China
- Kunming Medical University, Kunming, China
| | - Bowen Duan
- Kunming Medical University, Kunming, China
| | - Chunming Guo
- School for Life Science, Yunnan University, Kunming, China
| | - Chong Li
- Institute of Biophysics, Chinese Academy of Sciences, Beijing, China
| | - Ting Luan
- Department of Urology, the Second Affiliated Hospital of Kunming Medical University, Kunming, China
- Yunnan Clinical Medical Center of Urological Disease, Kunming, China
| | - Ning Li
- Department of Urology, the Second Affiliated Hospital of Kunming Medical University, Kunming, China
- Yunnan Clinical Medical Center of Urological Disease, Kunming, China
| | - Yinglong Huang
- Department of Urology, the Second Affiliated Hospital of Kunming Medical University, Kunming, China
- Yunnan Clinical Medical Center of Urological Disease, Kunming, China
| | - Shi Chen
- Department of Urology, the Second Affiliated Hospital of Kunming Medical University, Kunming, China
- Yunnan Clinical Medical Center of Urological Disease, Kunming, China
- Kunming Medical University, Kunming, China
| | - Jixian Gao
- Department of Urology, the Second Affiliated Hospital of Kunming Medical University, Kunming, China
- Yunnan Clinical Medical Center of Urological Disease, Kunming, China
- Kunming Medical University, Kunming, China
| | - Wei Feng
- Department of Urology, the Second Affiliated Hospital of Kunming Medical University, Kunming, China
- Yunnan Clinical Medical Center of Urological Disease, Kunming, China
- Kunming Medical University, Kunming, China
| | - Haole Xu
- Department of Urology, the Second Affiliated Hospital of Kunming Medical University, Kunming, China
- Yunnan Clinical Medical Center of Urological Disease, Kunming, China
- Kunming Medical University, Kunming, China
| | - Jiansong Wang
- Department of Urology, the Second Affiliated Hospital of Kunming Medical University, Kunming, China
- Yunnan Clinical Medical Center of Urological Disease, Kunming, China
| | - Shi Fu
- Department of Urology, the Second Affiliated Hospital of Kunming Medical University, Kunming, China.
- Yunnan Clinical Medical Center of Urological Disease, Kunming, China.
| | - Haifeng Wang
- Department of Urology, the Second Affiliated Hospital of Kunming Medical University, Kunming, China.
- Yunnan Clinical Medical Center of Urological Disease, Kunming, China.
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Nunes SP, Morales L, Rubio C, Munera-Maravilla E, Lodewijk I, Suárez-Cabrera C, Martínez VG, Pérez-Escavy M, Pérez-Crespo M, Alonso Sánchez M, Montesinos E, San José-Enériz E, Agirre X, Prósper F, Pineda-Lucena A, Henrique R, Dueñas M, Correia MP, Jerónimo C, Paramio JM. Modulation of tumor microenvironment by targeting histone acetylation in bladder cancer. Cell Death Discov 2024; 10:1. [PMID: 38172127 PMCID: PMC10764810 DOI: 10.1038/s41420-023-01786-3] [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: 06/28/2023] [Revised: 12/12/2023] [Accepted: 12/19/2023] [Indexed: 01/05/2024] Open
Abstract
Alterations in the epigenetic machinery in both tumor and immune cells contribute to bladder cancer (BC) development, constituting a promising target as an alternative therapeutic option. Here, we have explored the effects of a novel histone deacetylase (HDAC) inhibitor CM-1758, alone or in combination with immune checkpoint inhibitors (ICI) in BC. We determined the antitumor effects of CM-1758 in various BC cell lines together with the induction of broad transcriptional changes, with focus on the epigenetic regulation of PD-L1. Using an immunocompetent syngeneic mouse model of metastatic BC, we studied the effects of CM-1758 alone or in combination with anti-PD-L1 not only on tumor cells, but also in the tumor microenvironment. In vitro, we found that CM-1758 has cytotoxic and cytostatic effects either by inducing apoptosis or cell cycle arrest in BC cells at low micromolar levels. PD-L1 is epigenetically regulated by histone acetylation marks and is induced after treatment with CM-1758. We also observed that treatment with CM-1758 led to an important delay in tumor growth and a higher CD8 + T cell tumor infiltration. Moreover, anti-PD-L1 alone or in combination with CM-1758 reprogramed macrophage differentiation towards a M1-like polarization state and increased of pro-inflammatory cytokines systemically, yielding potential further antitumor effects. Our results suggest the possibility of combining HDAC inhibitors with immunotherapies for the management of advanced metastatic BC.
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Affiliation(s)
- Sandra P Nunes
- Cancer Biology and Epigenetics Group, Research Center of IPO Porto (CI-IPOP)/CI-IPOP@RISE (Health Research Network), Portuguese Oncology Institute of Porto (IPO-Porto)/Porto Comprehensive Cancer Center Raquel Seruca (Porto.CCC), Porto, Portugal
- Molecular Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
- Biomedical Research Institute I+12, University Hospital "12 de Octubre", Madrid, Spain
- Doctoral Program in Biomedical Sciences, ICBAS - School of Medicine and Biomedical Sciences, University of Porto, Porto, Portugal
| | - Lucia Morales
- Molecular Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
- Biomedical Research Institute I+12, University Hospital "12 de Octubre", Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Carolina Rubio
- Molecular Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
- Biomedical Research Institute I+12, University Hospital "12 de Octubre", Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Ester Munera-Maravilla
- Molecular Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
- Biomedical Research Institute I+12, University Hospital "12 de Octubre", Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Iris Lodewijk
- Molecular Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
- Biomedical Research Institute I+12, University Hospital "12 de Octubre", Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Cristian Suárez-Cabrera
- Molecular Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
- Biomedical Research Institute I+12, University Hospital "12 de Octubre", Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Victor G Martínez
- Molecular Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
- Biomedical Research Institute I+12, University Hospital "12 de Octubre", Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Mercedes Pérez-Escavy
- Molecular Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
- Biomedical Research Institute I+12, University Hospital "12 de Octubre", Madrid, Spain
| | - Miriam Pérez-Crespo
- Molecular Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
- Biomedical Research Institute I+12, University Hospital "12 de Octubre", Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Miguel Alonso Sánchez
- Molecular Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
- Biomedical Research Institute I+12, University Hospital "12 de Octubre", Madrid, Spain
| | - Esther Montesinos
- Molecular Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
- Biomedical Research Institute I+12, University Hospital "12 de Octubre", Madrid, Spain
| | - Edurne San José-Enériz
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
- Hemato-Oncology Program, Center for Applied Medical Research (CIMA), Universidad de Navarra, IDISNA, Pamplona, Spain
| | - Xabier Agirre
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
- Hemato-Oncology Program, Center for Applied Medical Research (CIMA), Universidad de Navarra, IDISNA, Pamplona, Spain
| | - Felipe Prósper
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
- Hemato-Oncology Program, Center for Applied Medical Research (CIMA), Universidad de Navarra, IDISNA, Pamplona, Spain
- Departmento de Hematología, Clínica Universidad de Navarra, and CCUN, Universidad de Navarra, Pamplona, Spain
| | - Antonio Pineda-Lucena
- Small-Molecule Discovery Platform, Molecular Therapeutics Program, Center for Applied Medical Research (CIMA), Universidad de Navarra, Pamplona, Spain
| | - Rui Henrique
- Cancer Biology and Epigenetics Group, Research Center of IPO Porto (CI-IPOP)/CI-IPOP@RISE (Health Research Network), Portuguese Oncology Institute of Porto (IPO-Porto)/Porto Comprehensive Cancer Center Raquel Seruca (Porto.CCC), Porto, Portugal
- Department of Pathology, Portuguese Oncology Institute of Porto, Porto, Portugal
- Department of Pathology and Molecular Immunology, ICBAS - School of Medicine & Biomedical Sciences, University of Porto, Porto, Portugal
| | - Marta Dueñas
- Molecular Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
- Biomedical Research Institute I+12, University Hospital "12 de Octubre", Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Margareta P Correia
- Cancer Biology and Epigenetics Group, Research Center of IPO Porto (CI-IPOP)/CI-IPOP@RISE (Health Research Network), Portuguese Oncology Institute of Porto (IPO-Porto)/Porto Comprehensive Cancer Center Raquel Seruca (Porto.CCC), Porto, Portugal
- Department of Pathology and Molecular Immunology, ICBAS - School of Medicine & Biomedical Sciences, University of Porto, Porto, Portugal
| | - Carmen Jerónimo
- Cancer Biology and Epigenetics Group, Research Center of IPO Porto (CI-IPOP)/CI-IPOP@RISE (Health Research Network), Portuguese Oncology Institute of Porto (IPO-Porto)/Porto Comprehensive Cancer Center Raquel Seruca (Porto.CCC), Porto, Portugal
- Department of Pathology and Molecular Immunology, ICBAS - School of Medicine & Biomedical Sciences, University of Porto, Porto, Portugal
| | - Jesús M Paramio
- Molecular Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain.
- Biomedical Research Institute I+12, University Hospital "12 de Octubre", Madrid, Spain.
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain.
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4
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Wang Z, Ying Y, Wang M, Chen Q, Wang Y, Yu X, He W, Li J, Zeng S, Xu C. Comprehensive identification of onco-exaptation events in bladder cancer cell lines revealed L1PA2-SYT1 as a prognosis-relevant event. iScience 2023; 26:108482. [PMID: 38058305 PMCID: PMC10696462 DOI: 10.1016/j.isci.2023.108482] [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: 04/26/2023] [Revised: 10/17/2023] [Accepted: 11/15/2023] [Indexed: 12/08/2023] Open
Abstract
Transposable elements (TEs) can provide ectopic promoters to drive the expression of oncogenes in cancer, a mechanism known as onco-exaptation. Onco-exaptation events have been extensively identified in various cancers, with bladder cancer showing a high frequency of onco-exaptation events (77%). However, the effect of most of these events in bladder cancer remains unclear. This study identified 44 onco-exaptation events in 44 bladder cancer cell lines in 137 RNA-seq datasets from six publicly available cohorts, with L1PA2 contributing the most events. L1PA2-SYT1, L1PA2-MET, and L1PA2-XCL1 had the highest frequency not only in cell lines but also in TCGA-BLCA samples. L1PA2-SYT1 showed significant tumor specificity and was found to be activated by CpG island demethylation in its promoter. The upregulation of L1PA2-SYT1 enhances the in vitro invasion of bladder cancer and is an independent risk factor for patient's overall survival, suggesting L1PA2-SYT1 being an important event that promotes the development of bladder cancer.
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Affiliation(s)
- Ziwei Wang
- Department of Urology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Yidie Ying
- Department of Urology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Maoyu Wang
- Department of Urology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Qing Chen
- Department of Urology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Yi Wang
- Department of Urology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Xufeng Yu
- Department of Urology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Wei He
- Department of Urology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Jing Li
- Department of Bioinformatics, Center for Translational Medicine, Naval Medical University, Shanghai 200433, China
- Shanghai Key Laboratory of Cell Engineering, Shanghai, China
| | - Shuxiong Zeng
- Department of Urology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Chuanliang Xu
- Department of Urology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
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5
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Frerichs LM, Frerichs B, Petzsch P, Köhrer K, Windolf J, Bittersohl B, Hoffmann MJ, Grotheer V. Tumorigenic effects of human mesenchymal stromal cells and fibroblasts on bladder cancer cells. Front Oncol 2023; 13:1228185. [PMID: 37781195 PMCID: PMC10534007 DOI: 10.3389/fonc.2023.1228185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 08/11/2023] [Indexed: 10/03/2023] Open
Abstract
Background Patients with muscle-invasive bladder cancer face a poor prognosis due to rapid disease progression and chemoresistance. Thus, there is an urgent need for a new therapeutic treatment. The tumor microenvironment (TME) has crucial roles in tumor development, growth, progression, and therapy resistance. TME cells may also survive standard treatment of care and fire up disease recurrence. However, whether specific TME components have tumor-promoting or tumor-inhibitory properties depends on cell type and cancer entity. Thus, a deeper understanding of the interaction mechanisms between the TME and cancer cells is needed to develop new cancer treatment approaches that overcome therapy resistance. Little is known about the function and interaction between mesenchymal stromal cells (MSC) or fibroblasts (FB) as TME components and bladder cancer cells. Methods We investigated the functional impact of conditioned media (CM) from primary cultures of different donors of MSC or FB on urothelial carcinoma cell lines (UCC) representing advanced disease stages, namely, BFTC-905, VMCUB-1, and UMUC-3. Underlying mechanisms were identified by RNA sequencing and protein analyses of cancer cells and of conditioned media by oncoarrays. Results Both FB- and MSC-CM had tumor-promoting effects on UCC. In some experiments, the impact of MSC-CM was more pronounced. CM augmented the aggressive phenotype of UCC, particularly of those with epithelial phenotype. Proliferation and migratory and invasive capacity were significantly increased; cisplatin sensitivity was reduced. RNA sequencing identified underlying mechanisms and molecules contributing to the observed phenotype changes. NRF2 and NF-κB signaling was affected, contributing to improved cisplatin detoxification. Likewise, interferon type I signaling was downregulated and regulators of epithelial mesenchymal transition (EMT) were increased. Altered protein abundance of CXCR4, hyaluronan receptor CD44, or TGFβ-signaling was induced by CM in cancer cells and may contribute to phenotypical changes. CM contained high levels of CCL2/MCP-1, MMPs, and interleukins which are well known for their impact on other cancer entities. Conclusions The CM of two different TME components had overlapping tumor-promoting effects and increased chemoresistance. We identified underlying mechanisms and molecules contributing to the aggressiveness of bladder cancer cells. These need to be further investigated for targeting the TME to improve cancer therapy.
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Affiliation(s)
- Lucie M. Frerichs
- Department of Orthopedics and Trauma Surgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University, Düsseldorf, Germany
| | - Bastian Frerichs
- Department of Orthopedics and Trauma Surgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University, Düsseldorf, Germany
| | - Patrick Petzsch
- Biological and Medical Research Center (BMFZ), Heinrich-Heine-University, Düsseldorf, Germany
| | - Karl Köhrer
- Biological and Medical Research Center (BMFZ), Heinrich-Heine-University, Düsseldorf, Germany
| | - Joachim Windolf
- Department of Orthopedics and Trauma Surgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University, Düsseldorf, Germany
| | - Bernd Bittersohl
- Department of Orthopedics and Trauma Surgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University, Düsseldorf, Germany
| | - Michèle J. Hoffmann
- Department of Urology, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University, Düsseldorf, Germany
| | - Vera Grotheer
- Department of Orthopedics and Trauma Surgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University, Düsseldorf, Germany
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Wang Z, Muthusamy V, Petrylak DP, Anderson KS. Tackling FGFR3-driven bladder cancer with a promising synergistic FGFR/HDAC targeted therapy. NPJ Precis Oncol 2023; 7:70. [PMID: 37479885 PMCID: PMC10362036 DOI: 10.1038/s41698-023-00417-5] [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: 11/18/2022] [Accepted: 06/23/2023] [Indexed: 07/23/2023] Open
Abstract
Bladder cancer (BC) is one of the most prevalent malignancies worldwide and FGFR3 alterations are particularly common in BC. Despite approval of erdafitinib, durable responses for FGFR inhibitors are still uncommon and most patients relapse to metastatic disease. Given the necessity to discover more efficient therapies for BC, herein, we sought to explore promising synergistic combinations for BC with FGFR3 fusions. Our studies confirmed the synergy between FGFR and HDAC inhibitors in vitro and demonstrated its benefits in vivo. Mechanistic studies revealed that quisinostat can downregulate FGFR3 expression by suppressing FGFR3 translation. Additionally, quisinostat can also sensitize BC cells to erdafitinib by downregulating HDGF. Furthermore, the synergy was also confirmed in BC cells with FGFR3 S249C. This study discovers a new avenue for treatment of FGFR3-driven BC and uncovers new mechanistic insights. These preclinical studies pave the way for a direct translation of this combination to early phase clinical trials.
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Affiliation(s)
- Zechen Wang
- Department of Pharmacology, Yale University School of Medicine, 333 Cedar St., New Haven, CT, 06520, USA
| | | | | | - Karen S Anderson
- Department of Pharmacology, Yale University School of Medicine, 333 Cedar St., New Haven, CT, 06520, USA.
- Department of Molecular Biophysics and Biochemistry, Yale University School of Medicine, 333 Cedar St., New Haven, CT, 06520, USA.
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Marqués M, Corral S, Sánchez-Díaz M, Del Pozo N, Martínez de Villarreal J, Schweifer N, Zagorac I, Hilberg F, Real FX. Tumor and Stromal Cell Targeting with Nintedanib and Alpelisib Overcomes Intrinsic Bladder Cancer Resistance. Mol Cancer Ther 2023; 22:616-629. [PMID: 36805958 DOI: 10.1158/1535-7163.mct-21-0667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 05/10/2022] [Accepted: 02/16/2023] [Indexed: 02/22/2023]
Abstract
Bladder cancer is a highly prevalent tumor, requiring the urgent development of novel therapies, especially for locally advanced and metastatic disease. Nintedanib is a potent antifibrotic angio-kinase inhibitor, which has shown clinical efficacy in combination with chemotherapy in patients with locally advanced muscle-invasive bladder cancer. Nintedanib inhibits fibroblast growth factor receptors (FGFRs), validated targets in patients with bladder cancer harboring FGFR3/2 genetic alterations. Here, we aimed at studying its mechanisms of action to understand therapy resistance, identify markers predictive of response, and improve the design of future clinical trials. We have used a panel of genetically well-characterized human bladder cancer cells to identify the molecular and transcriptomic changes induced upon treatment with nintedanib, in vitro and in vivo, at the tumor and stroma cell levels. We showed that bladder cancer cells display an intrinsic resistance to nintedanib treatment in vitro, independently of their FGFR3 status. However, nintedanib has higher antitumor activity on mouse xenografts. We have identified PI3K activation as a resistance mechanism against nintedanib in bladder cancer and evidenced that the combination of nintedanib with the PI3K inhibitor alpelisib has synergistic antitumor activity. Treatment with this combination is associated with cell-cycle inhibition at the tumoral and stromal levels and potent nontumor cell autonomous effects on α-smooth muscle actin-positive tumor infiltrating cells and tumor vasculature. The combination of nintedanib with PI3K inhibitors not only reversed bladder cancer resistance to nintedanib but also enhanced its antiangiogenic effects.
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Affiliation(s)
- Miriam Marqués
- Epithelial Carcinogenesis Group, Spanish National Cancer Centre-CNIO, Madrid, Spain
- CIBERONC, Madrid, Spain
| | - Sonia Corral
- Epithelial Carcinogenesis Group, Spanish National Cancer Centre-CNIO, Madrid, Spain
| | - María Sánchez-Díaz
- Epithelial Carcinogenesis Group, Spanish National Cancer Centre-CNIO, Madrid, Spain
| | - Natalia Del Pozo
- Epithelial Carcinogenesis Group, Spanish National Cancer Centre-CNIO, Madrid, Spain
- CIBERONC, Madrid, Spain
| | | | | | - Ivana Zagorac
- Molecular Genetics of Angiogenesis Group, Spanish National Center for Cardiovascular Research-CNIC, Madrid, Spain
| | - Frank Hilberg
- Boehringer Ingelheim RCV GmbH & Co. KG, Vienna, Austria
| | - Francisco X Real
- Epithelial Carcinogenesis Group, Spanish National Cancer Centre-CNIO, Madrid, Spain
- CIBERONC, Madrid, Spain
- Departament de Medicina i Ciències de la Vida, Universitat Pompeu Fabra, Barcelona, Spain
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8
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Pereira IOA, da Silva GN, Almeida TC, Lima APB, Sávio ALV, Leite KRM, Salvadori DMF. LncRNA JHDM1D-AS1 Is a Key Biomarker for Progression and Modulation of Gemcitabine Sensitivity in Bladder Cancer Cells. Molecules 2023; 28:molecules28052412. [PMID: 36903656 PMCID: PMC10005151 DOI: 10.3390/molecules28052412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 02/17/2023] [Accepted: 02/21/2023] [Indexed: 03/09/2023] Open
Abstract
Long non-coding RNAs are frequently found to be dysregulated and are linked to carcinogenesis, aggressiveness, and chemoresistance in a variety of tumors. As expression levels of the JHDM1D gene and lncRNA JHDM1D-AS1 are altered in bladder tumors, we sought to use their combined expression to distinguish between low-and high-grade bladder tumors by RTq-PCR. In addition, we evaluated the functional role of JHDM1D-AS1 and its association with the modulation of gemcitabine sensitivity in high-grade bladder-tumor cells. J82 and UM-UC-3 cells were treated with siRNA-JHDM1D-AS1 and/or three concentrations of gemcitabine (0.39, 0.78, and 1.56 µM), and then submitted to cytotoxicity testing (XTT), clonogenic survival, cell cycle progression, cell morphology, and cell migration assays. When JHDM1D and JHDM1D-AS1 expression levels were used in combination, our findings indicated favorable prognostic value. Furthermore, the combined treatment resulted in greater cytotoxicity, a decrease in clone formation, G0/G1 cell cycle arrest, morphological alterations, and a reduction in cell migration capacity in both lineages compared to the treatments alone. Thus, silencing of JHDM1D-AS1 reduced the growth and proliferation of high-grade bladder-tumor cells and increased their sensitivity to gemcitabine treatment. In addition, the expression of JHDM1D/JHDM1D-AS1 indicated potential prognostic value in the progression of bladder tumors.
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Affiliation(s)
| | - Glenda Nicioli da Silva
- Departamento de Análises Clínicas, Pharmacy School, UFOP—Federal University of Ouro Preto, Ouro Preto 35400-000, MG, Brazil
- Correspondence:
| | - Tamires Cunha Almeida
- Laboratory of Pain and Signaling, Butantan Institute, Sao Paulo 05503-900, SP, Brazil
| | - Ana Paula Braga Lima
- Departamento de Análises Clínicas, Pharmacy School, UFOP—Federal University of Ouro Preto, Ouro Preto 35400-000, MG, Brazil
| | - André Luiz Ventura Sávio
- Departamento de Odontologia, Faculdade do Centro Oeste Paulista—FACOP, Piratininga 17490-000, SP, Brazil
- Departamento de Ciências Médicas, Universidade do Oeste Paulista—UNOESTE, Jaú 19050-900, SP, Brazil
| | - Katia Ramos Moreira Leite
- Departamento de Cirurgia, Medical School, USP—University of São Paulo, São Paulo 05508-060, SP, Brazil
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9
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Wolf P. Inhibitor of apoptosis proteins as therapeutic targets in bladder cancer. Front Oncol 2023; 13:1124600. [PMID: 36845731 PMCID: PMC9950391 DOI: 10.3389/fonc.2023.1124600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 01/19/2023] [Indexed: 02/12/2023] Open
Abstract
Evasion from apoptosis is a hallmark of cancer. Inhibitor of apoptosis proteins (IAPs) contribute to this hallmark by suppressing the induction of cell death. IAPs were found to be overexpressed in cancerous tissues and to contribute to therapeutic resistance. The present review focuses on the IAP members cIAP1, cIAP2, XIAP, Survivin and Livin and their importance as potential therapeutic targets in bladder cancer.
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Affiliation(s)
- Philipp Wolf
- Department of Urology, Medical Center-University of Freiburg, Freiburg, Germany,Faculty of Medicine, University of Freiburg, Freiburg, Germany,*Correspondence: Philipp Wolf,
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10
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CDCP1 expression is frequently increased in aggressive urothelial carcinoma and promotes urothelial tumor progression. Sci Rep 2023; 13:73. [PMID: 36593286 PMCID: PMC9807563 DOI: 10.1038/s41598-022-26579-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 12/16/2022] [Indexed: 01/03/2023] Open
Abstract
The prognosis of patients with advanced urothelial carcinoma (UC) remains poor and improving treatment continues to be a major medical need. CUB domain containing protein 1 (CDCP1) is a known oncogene in various types of solid cancers and its overexpression is associated with impaired prognosis. However, its role in UC remains undetermined. Here we assessed the clinical relevance of CDCP1 in two cohorts of UC at different stages of the disease. Immunohistochemistry showed that CDCP1 is highly expressed in advanced UC, which significantly correlates with shorter overall survival. Importantly, the basal/squamous UC subtype showed significantly enriched CDCP1 at the mRNA and protein levels. The functional role of CDCP1 overexpression was assessed taking advantage of ex vivo organoids derived from the CDCP1pcLSL/+ transgenic mouse model. Furthermore, CDCP1 knockout UC cell lines were generated using CRISPR/Cas9 technology. Interestingly, CDCP1 overexpression significantly induced the activation of MAPK/ERK pathways in ex vivo organoids and increased their proliferation. Similarly, CDCP1 knockout in UC cell lines reduced their proliferation and migration, concomitant with MAPK/ERK pathway activity reduction. Our results highlight the relevance of CDCP1 in advanced UC and demonstrate its oncogenic role, suggesting that targeting CDCP1 could be a rational therapeutic strategy for the treatment of advanced UC.
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11
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He F, Zhang F, Liao Y, Tang MS, Wu XR. Structural or functional defects of PTEN in urothelial cells lacking P53 drive basal/squamous-subtype muscle-invasive bladder cancer. Cancer Lett 2022; 550:215924. [PMID: 36195293 PMCID: PMC9813857 DOI: 10.1016/j.canlet.2022.215924] [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: 07/20/2022] [Revised: 09/10/2022] [Accepted: 09/19/2022] [Indexed: 01/07/2023]
Abstract
Muscle-invasive bladder cancer (MIBC) exhibits strong inter- and intra-tumor heterogeneity that affects biological behaviors, therapeutic responses, and prognoses. Mutations that activate RTK-RAS-PI3K and inactivate P19-P53-P21 coexist in 60-70% of MIBC. By time-controlled ablation of Tp53 and Pten, singly or combined, in adult mouse urothelium, we found that Tp53 loss alone produced no abnormality. While Pten loss elicited hyperplasia, it synergized with Tp53 loss to trigger 100% penetrant MIBC that exhibited basal/squamous features that resembled its human counterpart. Furthermore, PTEN was inactivated in human MIBC cell lines and specimens primarily by hyperphosphorylation of the C-terminus. Mutated or tailless PTEN incapable of C-terminal phosphorylation demonstrated increased inhibition of proliferation and invasion than full-length PTEN in cultured MIBC cells. In xenograft and transgenic mice, tailless PTEN, but not full-length PTEN, prevented further growth in established tumors. Collectively, deficiencies of both PTEN and P53 drive basal/squamous subtype MIBC. PTEN is inactivated by C-terminal hyperphosphorylation, and this modification may serve as a biomarker for subtyping MIBC and predicting tumor progression. Tailless PTEN is a potential molecular therapeutic for tumors, such as bladder cancer (BC), that can be readily accessed.
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Affiliation(s)
- Feng He
- Department of Urology, New York University School of Medicine, New York, NY, 10016, USA; Veterans Affairs New York Harbor Healthcare System, Manhattan Campus, New York, NY, 10010, USA
| | - Fenglin Zhang
- Department of Urology, New York University School of Medicine, New York, NY, 10016, USA
| | - Yi Liao
- Department of Urology, New York University School of Medicine, New York, NY, 10016, USA
| | - Moon-Shong Tang
- Department of Environmental Medicine, New York University School of Medicine, New York, NY, 10010, USA
| | - Xue-Ru Wu
- Department of Urology, New York University School of Medicine, New York, NY, 10016, USA; Department of Pathology, New York University School of Medicine, New York, NY, 10016, USA; Veterans Affairs New York Harbor Healthcare System, Manhattan Campus, New York, NY, 10010, USA.
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12
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Leveraging patient derived models of FGFR2 fusion positive intrahepatic cholangiocarcinoma to identify synergistic therapies. NPJ Precis Oncol 2022; 6:75. [PMID: 36274097 PMCID: PMC9588766 DOI: 10.1038/s41698-022-00320-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 10/11/2022] [Indexed: 11/21/2022] Open
Abstract
Intrahepatic cholangiocarcinoma (ICC) remains a deadly malignancy lacking systemic therapies for advanced disease. Recent advancements include selective FGFR1–3 inhibitors for the 15% of ICC patients harboring fusions, although survival is limited by poor response and resistance. Herein we report generation of a patient-derived FGFR2 fusion-positive ICC model system consisting of a cell line, organoid, and xenograft, which have undergone complete histologic, genomic, and phenotypic characterization, including testing standard-of-care systemic therapies. Using these FGFR2 fusion-positive ICC models, we conducted an unbiased high-throughput small molecule screen to prioritize combination strategies with FGFR inhibition, from which HDAC inhibition together with pemigatinib was validated in vitro and in vivo as a synergistic therapy for ICC. Additionally, we demonstrate broad utility of the FGFR/HDAC combination for other FGFR fusion-positive solid tumors. These data are directly translatable and justify early phase trials to establish dosing, safety, and therapeutic efficacy of this synergistic combination.
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13
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Iyengar PV, Marvin DL, Lama D, Tan TZ, Suriyamurthy S, Xie F, van Dinther M, Mei H, Verma CS, Zhang L, Ritsma L, ten Dijke P. TRAF4 Inhibits Bladder Cancer Progression by Promoting BMP/SMAD Signaling. Mol Cancer Res 2022; 20:1516-1531. [PMID: 35731212 PMCID: PMC9530648 DOI: 10.1158/1541-7786.mcr-20-1029] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 02/24/2022] [Accepted: 06/17/2022] [Indexed: 01/07/2023]
Abstract
Patients with bladder cancer often have a poor prognosis due to the highly invasive and metastatic characteristics of bladder cancer cells. Epithelial-to-mesenchymal transition (EMT) has been causally linked to bladder cancer invasion. The E3 ubiquitin ligase, tumor necrosis factor receptor-associated factor 4 (TRAF4) has been implicated as a tumor promoter in a wide range of cancers. In contrast, here we show that low TRAF4 expression is associated with poor overall survival in patients with bladder cancer. We show that the TRAF4 gene is epigenetically silenced and that ERK mediates TRAF4 phosphorylation, resulting in lower TRAF4 protein levels in bladder cancer cells. In addition, we demonstrate that TRAF4 is inversely correlated with an EMT gene signature/protein marker expression. Functionally, by manipulating TRAF4 expression, we show that TRAF4 regulates EMT genes and epithelial and invasive properties in bladder cancer cells. Transcriptomic analysis of dysregulated TRAF4 expression in bladder cancer cell lines revealed that high TRAF4 expression enhances the bone morphogenetic protein (BMP)/SMAD and inhibits the NF-κB signaling pathway. Mechanistically, we show that TRAF4 targets the E3 ubiquitin ligase SMURF1, a negative regulator of BMP/SMAD signaling, for proteasomal degradation in bladder cancer cells. This was corroborated in patient samples where TRAF4 positively correlates with phospho-SMAD1/5, and negatively correlates with phospho-NFκb-p65. Lastly, we show that genetic and pharmacologic inhibition of SMURF1 inhibits the migration of aggressive mesenchymal bladder cancer cells. IMPLICATIONS Our findings identify E3 ubiquitin ligase TRAF4 as a potential therapeutic target or biomarker for bladder cancer progression.
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Affiliation(s)
- Prasanna Vasudevan Iyengar
- Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, the Netherlands.,Oncode Institute, Utrecht, the Netherlands.,Corresponding Authors: Prasanna Vasudevan Iyengar, Department of Cell and Chemical Biology, Leiden University Medical Center, Einthovenweg 20, Leiden 2333ZC, the Netherlands. Phone: 715-269-271; Fax: 715-268-270; E-mail: ; and Peter ten Dijke,
| | - Dieuwke Louise Marvin
- Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, the Netherlands.,Oncode Institute, Utrecht, the Netherlands
| | - Dilraj Lama
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Solna, Stockholm, Sweden.,Bioinformatics Institute (A*STAR), Singapore
| | - Tuan Zea Tan
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
| | - Sudha Suriyamurthy
- Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, the Netherlands.,Oncode Institute, Utrecht, the Netherlands
| | - Feng Xie
- Life Sciences Institute, Zhejiang University, Hangzhou, Zhejiang, China.,Institutes of Biology and Medical Science, Soochow University, Suzhou, China
| | - Maarten van Dinther
- Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, the Netherlands.,Oncode Institute, Utrecht, the Netherlands
| | - Hailiang Mei
- Sequencing Analysis Support Core, Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, the Netherlands
| | - Chandra Shekhar Verma
- Bioinformatics Institute (A*STAR), Singapore.,Department of Biological Sciences, National University of Singapore, Singapore.,School of Biological Sciences, Nanyang Technological University, Singapore
| | - Long Zhang
- Life Sciences Institute, Zhejiang University, Hangzhou, Zhejiang, China
| | - Laila Ritsma
- Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, the Netherlands.,Oncode Institute, Utrecht, the Netherlands
| | - Peter ten Dijke
- Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, the Netherlands.,Oncode Institute, Utrecht, the Netherlands.,Corresponding Authors: Prasanna Vasudevan Iyengar, Department of Cell and Chemical Biology, Leiden University Medical Center, Einthovenweg 20, Leiden 2333ZC, the Netherlands. Phone: 715-269-271; Fax: 715-268-270; E-mail: ; and Peter ten Dijke,
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14
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Becker L, Fischer F, Fleck JL, Harland N, Herkommer A, Stenzl A, Aicher WK, Schenke-Layland K, Marzi J. Data-Driven Identification of Biomarkers for In Situ Monitoring of Drug Treatment in Bladder Cancer Organoids. Int J Mol Sci 2022; 23:ijms23136956. [PMID: 35805961 PMCID: PMC9266781 DOI: 10.3390/ijms23136956] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 06/20/2022] [Accepted: 06/21/2022] [Indexed: 02/01/2023] Open
Abstract
Three-dimensional (3D) organoid culture recapitulating patient-specific histopathological and molecular diversity offers great promise for precision medicine in cancer. In this study, we established label-free imaging procedures, including Raman microspectroscopy (RMS) and fluorescence lifetime imaging microscopy (FLIM), for in situ cellular analysis and metabolic monitoring of drug treatment efficacy. Primary tumor and urine specimens were utilized to generate bladder cancer organoids, which were further treated with various concentrations of pharmaceutical agents relevant for the treatment of bladder cancer (i.e., cisplatin, venetoclax). Direct cellular response upon drug treatment was monitored by RMS. Raman spectra of treated and untreated bladder cancer organoids were compared using multivariate data analysis to monitor the impact of drugs on subcellular structures such as nuclei and mitochondria based on shifts and intensity changes of specific molecular vibrations. The effects of different drugs on cell metabolism were assessed by the local autofluorophore environment of NADH and FAD, determined by multiexponential fitting of lifetime decays. Data-driven neural network and data validation analyses (k-means clustering) were performed to retrieve additional and non-biased biomarkers for the classification of drug-specific responsiveness. Together, FLIM and RMS allowed for non-invasive and molecular-sensitive monitoring of tumor-drug interactions, providing the potential to determine and optimize patient-specific treatment efficacy.
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Affiliation(s)
- Lucas Becker
- Department for Medical Technologies and Regenerative Medicine, Institute of Biomedical Engineering, University of Tuebingen, 72076 Tuebingen, Germany; (L.B.); (K.S.-L.)
- Cluster of Excellence iFIT (EXC 2180) “Image-Guided and Functionally Instructed Tumor Therapies”, University of Tuebingen, 72076 Tuebingen, Germany
| | - Felix Fischer
- Institute of Applied Optics (ITO), University of Stuttgart, 70569 Stuttgart, Germany; (F.F.); (A.H.)
| | - Julia L. Fleck
- Mines Saint-Etienne, CNRS, UMR 6158 LIMOS, Centre CIS, Université Clermont Auvergne, 42270 Saint Jarez-en-Priest, France;
| | - Niklas Harland
- Department of Urology, University of Tuebingen Hospital, 72076 Tuebingen, Germany; (N.H.); (A.S.)
| | - Alois Herkommer
- Institute of Applied Optics (ITO), University of Stuttgart, 70569 Stuttgart, Germany; (F.F.); (A.H.)
| | - Arnulf Stenzl
- Department of Urology, University of Tuebingen Hospital, 72076 Tuebingen, Germany; (N.H.); (A.S.)
| | - Wilhelm K. Aicher
- Center of Medical Research, Department of Urology at UKT, University of Tuebingen, 72076 Tuebingen, Germany;
| | - Katja Schenke-Layland
- Department for Medical Technologies and Regenerative Medicine, Institute of Biomedical Engineering, University of Tuebingen, 72076 Tuebingen, Germany; (L.B.); (K.S.-L.)
- Cluster of Excellence iFIT (EXC 2180) “Image-Guided and Functionally Instructed Tumor Therapies”, University of Tuebingen, 72076 Tuebingen, Germany
- NMI Natural and Medical Sciences Institute at the University of Tueingen, 72770 Reutlingen, Germany
| | - Julia Marzi
- Department for Medical Technologies and Regenerative Medicine, Institute of Biomedical Engineering, University of Tuebingen, 72076 Tuebingen, Germany; (L.B.); (K.S.-L.)
- Cluster of Excellence iFIT (EXC 2180) “Image-Guided and Functionally Instructed Tumor Therapies”, University of Tuebingen, 72076 Tuebingen, Germany
- NMI Natural and Medical Sciences Institute at the University of Tueingen, 72770 Reutlingen, Germany
- Correspondence:
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15
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Targeted Inhibition of O-Linked β-N-Acetylglucosamine Transferase as a Promising Therapeutic Strategy to Restore Chemosensitivity and Attenuate Aggressive Tumor Traits in Chemoresistant Urothelial Carcinoma of the Bladder. Biomedicines 2022; 10:biomedicines10051162. [PMID: 35625898 PMCID: PMC9138654 DOI: 10.3390/biomedicines10051162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 05/13/2022] [Accepted: 05/17/2022] [Indexed: 01/27/2023] Open
Abstract
Acquisition of acquired chemoresistance during treatment cycles in urothelial carcinoma of the bladder (UCB) is the major cause of death through enhancing the risk of cancer progression and metastasis. Elevated glucose flux through the abnormal upregulation of O-linked β-N-acetylglucosamine (O-GlcNAc) transferase (OGT) controls key signaling and metabolic pathways regulating diverse cancer cell phenotypes. This study showed that OGT expression levels in two human UCB cell models with acquired resistance to gemcitabine and paclitaxel were significantly upregulated compared with those in parental cells. Reducing hyper-O-GlcNAcylation by OGT knockdown (KD) markedly facilitated chemosensitivity to the corresponding chemotherapeutics in both cells, and combination treatment with OGT-KD showed more severe growth defects in chemoresistant sublines. We subsequently verified the suppressive effects of OGT-KD monotherapy on cell migration/invasion in vitro and xenograft tumor growth in vivo in chemoresistant UCB cells. Transcriptome analysis of these cells revealed 97 upregulated genes, which were enriched in multiple oncogenic pathways. Our final choice of suspected OGT glycosylation substrate was VCAN, S1PR3, PDGFRB, and PRKCG, the knockdown of which induced cell growth defects. These findings demonstrate the vital role of dysregulated OGT activity and hyper-O-GlcNAcylation in modulating treatment failure and tumor aggression in chemoresistant UCB.
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16
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Isono M, Okubo K, Asano T, Sato A. Ataxia telangiectasia and Rad3-related inhibition by AZD6738 enhances gemcitabine-induced cytotoxic effects in bladder cancer cells. PLoS One 2022; 17:e0266476. [PMID: 35413091 PMCID: PMC9004738 DOI: 10.1371/journal.pone.0266476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 03/18/2022] [Indexed: 11/19/2022] Open
Abstract
The ataxia telangiectasia and rad3-related-checkpoint kinase 1 (ATR-CHK1) pathway is involved in DNA damage responses in many cancer cells. ATR inhibitors have been used in clinical trials in combination with radiation or chemotherapeutics; however, their effects against bladder cancer remain unclear. Here, the efficacy of combining gemcitabine with the novel ATR inhibitor AZD6738 was investigated in vitro in three bladder cancer cell lines (J82, T24, and UM-UC-3 cells). The effects of gemcitabine and AZD6738 on cell viability, clonogenicity, cell cycle, and apoptosis were examined. The combined use of gemcitabine and AZD6738 inhibited the viability and colony formation of bladder cancer cells compared to either treatment alone. Gemcitabine (5 nM) and AZD6738 (1 μM) inhibited cell cycle progression, causing cell accumulation in the S phase. Moreover, combined treatment enhanced cleaved poly[ADP-ribose]-polymerase expression alongside the number of annexin V-positive cells, indicating apoptosis induction. Mechanistic investigations showed that AZD6738 treatment inhibited the repair of gemcitabine-induced double-strand breaks by interfering with CHK1. Combining AZD6738 with gemcitabine could therefore be useful for bladder cancer therapy.
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Affiliation(s)
- Makoto Isono
- Department of Urology, National Defense Medical College, Tokorozawa, Japan
- * E-mail:
| | - Kazuki Okubo
- Department of Urology, National Defense Medical College, Tokorozawa, Japan
| | - Takako Asano
- Department of Urology, National Defense Medical College, Tokorozawa, Japan
| | - Akinori Sato
- Department of Urology, National Defense Medical College, Tokorozawa, Japan
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17
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Ertl IE, Lemberger U, Ilijazi D, Hassler MR, Bruchbacher A, Brettner R, Kronabitter H, Gutmann M, Vician P, Zeitler G, Koren A, Lardeau CH, Mohr T, Haitel A, Compérat E, Oszwald A, Wasinger G, Clozel T, Elemento O, Kubicek S, Berger W, Shariat SF. Molecular and Pharmacological Bladder Cancer Therapy Screening: Discovery of Clofarabine as a Highly Active Compound. Eur Urol 2022; 82:261-270. [PMID: 35393162 DOI: 10.1016/j.eururo.2022.03.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 02/20/2022] [Accepted: 03/10/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND The heterogeneity of bladder cancers (BCs) is a major challenge for the development of novel therapies. However, given the high rates of recurrence and/or treatment failure, the identification of effective therapeutic strategies is an urgent clinical need. OBJECTIVE We aimed to establish a model system for drug identification/repurposing in order to identify novel therapies for the treatment of BC. DESIGN, SETTING, AND PARTICIPANTS A collection of commercially available BC cell lines (n = 32) was comprehensively characterized. A panel of 23 cell lines, representing a broad spectrum of BC, was selected to perform a high-throughput drug screen. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS Positive hits were defined as compounds giving >50% inhibition in at least one BC cell line. RESULTS AND LIMITATIONS Amongst >1700 tested chemical compounds, a total of 471 substances exhibited antineoplastic effects. Clofarabine, an antimetabolite drug used as third-line treatment for childhood acute lymphoblastic leukaemia, was amongst the limited number of drugs with inhibitory effects on cell lines of all intrinsic subtypes. We, thus, reassessed the substance and confirmed its inhibitory effects on commercially available cell lines and patient-derived cell cultures representing various disease stages, intrinsic subtypes, and histologic variants. To verify these effects in vivo, a patient-derived cell xenograft model for urothelial carcinoma (UC) was used. Well-tolerated doses of clofarabine induced complete remission in all treated animals (n = 12) suffering from both early- and late-stage disease. We further took advantage of another patient-derived cell xenograft model originating from the rare disease entity sarcomatoid carcinoma (SaC). Similarly to UC xenograft mice, clofarabine induced subcomplete to complete tumour remissions in all treated animals (n = 8). CONCLUSIONS The potent effects of clofarabine in vitro and in vivo suggest that our findings may be of high clinical relevance. Clinical trials are needed to assess the value of clofarabine in improving BC patient care. PATIENT SUMMARY We used commercially available cell lines for the identification of novel drugs for the treatment of bladder cancer. We confirmed the effects of one of these drugs, clofarabine, in patient-derived cell lines and two different mouse models, thereby demonstrating a potential clinical relevance of this substance in bladder cancer treatment.
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Affiliation(s)
- Iris E Ertl
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Ursula Lemberger
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Dafina Ilijazi
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Melanie R Hassler
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Andreas Bruchbacher
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Robert Brettner
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Hannah Kronabitter
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Michael Gutmann
- Department of Medicine I, Institute of Cancer Research and Comprehensive Cancer Center, Medical University Vienna, Vienna, Austria
| | - Petra Vician
- Department of Medicine I, Institute of Cancer Research and Comprehensive Cancer Center, Medical University Vienna, Vienna, Austria
| | - Gerhard Zeitler
- Department of Medicine I, Institute of Cancer Research and Comprehensive Cancer Center, Medical University Vienna, Vienna, Austria
| | - Anna Koren
- CeMM Research Center for Molecular Medicine, Vienna, Austria
| | | | - Thomas Mohr
- Department of Medicine I, Institute of Cancer Research and Comprehensive Cancer Center, Medical University Vienna, Vienna, Austria
| | - Andrea Haitel
- Department of Pathology, Medical University of Vienna, Vienna, Austria
| | - Eva Compérat
- Department of Pathology, Medical University of Vienna, Vienna, Austria
| | - André Oszwald
- Department of Pathology, Medical University of Vienna, Vienna, Austria
| | - Gabriel Wasinger
- Department of Pathology, Medical University of Vienna, Vienna, Austria
| | - Thomas Clozel
- OWKIN, New York City, NY, USA; Englander Institute for Precision Medicine, Weill Cornell Medicine-New York Presbyterian Hospital, New York, NY, USA
| | - Olivier Elemento
- Institute for Computational Biomedicine, Weill Cornell Medicine, New York, NY, USA; Englander Institute for Precision Medicine, Weill Cornell Medicine-New York Presbyterian Hospital, New York, NY, USA; Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
| | - Stefan Kubicek
- CeMM Research Center for Molecular Medicine, Vienna, Austria
| | - Walter Berger
- Department of Medicine I, Institute of Cancer Research and Comprehensive Cancer Center, Medical University Vienna, Vienna, Austria.
| | - Shahrokh F Shariat
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Department of Urology, Weill Cornell Medical College, New York, NY, USA; Department of Urology, University of Texas Southwestern, Dallas, TX, USA; Department of Urology, Second Faculty of Medicine, Charles University, Prague, Czech Republic; Institute for Urology and Reproductive Health, I.M. Sechenov First Moscow State Medical University, Moscow, Russia; Hourani Center for Applied Scientific Research, Al-Ahliyya Amman University, Amman, Jordan
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18
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CD47-targeted optical molecular imaging and near-infrared photoimmunotherapy in the detection and treatment of bladder cancer. Mol Ther Oncolytics 2022; 24:319-330. [PMID: 35118190 PMCID: PMC8784304 DOI: 10.1016/j.omto.2021.12.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 12/28/2021] [Indexed: 12/03/2022] Open
Abstract
Transurethral resection of bladder tumor (TURBT) followed by intravesical therapy remains the most effective strategy for the management of non-muscle-invasive bladder cancer worldwide. TURBT has two purposes: to remove all visible tumors and to obtain tumor specimens for histopathological analysis. However, the detection of flat and small malignant lesions under white-light cystoscopy is extremely challenging, and residual lesions are still the main reason for the high recurrence rate of bladder cancer. We hypothesized that visual enhancement of malignant lesions using targeted optical molecular imaging could potentially highlight residual tumors in the bladder during surgery, and near-infrared photoimmunotherapy (NIR-PIT) could kill exfoliated cancer cells and residual tumors. A mouse model of complete or partial bladder tumor resection was established under the guidance of optical molecular imaging mediated by indocyanine green and anti-CD47-Alexa Fluor 790, respectively. Once the tumor recurred, mouse model received repeated CD47-targeted NIR-PIT. After complete resection, there was no tumor recurrence. Furthermore, the growth rate of recurrent tumor decreased significantly after repeated NIR-PIT. Therefore, CD47-targeted optical molecular imaging can potentially assist urologists to detect and remove all tumors, and repeated NIR-PIT shows the potential to reduce tumor recurrence rates and inhibit the growth of recurrent tumor.
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19
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Jain AP, Sambath J, Sathe G, George IA, Pandey A, Thompson EW, Kumar P. Pan-cancer quantitation of epithelial-mesenchymal transition dynamics using parallel reaction monitoring-based targeted proteomics approach. J Transl Med 2022; 20:84. [PMID: 35148768 PMCID: PMC8832824 DOI: 10.1186/s12967-021-03227-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 12/30/2021] [Indexed: 12/31/2022] Open
Abstract
Epithelial–mesenchymal transition (EMT) is a dynamic and complex cellular process that is known to be hijacked by cancer cells to facilitate invasion, metastasis and therapeutic resistance. Several quantitative measures to assess the interplay between EMT and cancer progression are available, based on large scale genome and transcriptome data. However, these large scale multi-omics studies have repeatedly illustrated a lack of correlation in mRNA and protein abundances that may be influenced by diverse post-translational regulation. Hence, it is imperative to understand how changes in the EMT proteome are associated with the process of oncogenic transformation. To this effect, we developed a parallel reaction monitoring-based targeted proteomics method for quantifying abundances of EMT-associated proteins across cancer cell lines. Our study revealed that quantitative measurement of EMT proteome which enabled a more accurate assessment than transcriptomics data and revealed specific discrepancies against a backdrop of generally strong concordance between proteomic and transcriptomic data. We further demonstrated that changes in our EMT proteome panel might play a role in tumor transformation across cancer types. In future, this EMT panel assay has the potential to be used for clinical samples to guide treatment choices and to congregate functional information for the development and advancing novel therapeutics.
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Affiliation(s)
- Ankit P Jain
- Institute of Bioinformatics, International Technology Park, Bangalore, 560066, Karnataka, India
| | - Janani Sambath
- Institute of Bioinformatics, International Technology Park, Bangalore, 560066, Karnataka, India.,Manipal Academy of Higher Education (MAHE), Manipal, 576104, India
| | - Gajanan Sathe
- Institute of Bioinformatics, International Technology Park, Bangalore, 560066, Karnataka, India.,Manipal Academy of Higher Education (MAHE), Manipal, 576104, India.,Center for Molecular Medicine, National Institute of Mental Health and Neurosciences (NIMHANS), Bangalore, 560029, India
| | - Irene A George
- Institute of Bioinformatics, International Technology Park, Bangalore, 560066, Karnataka, India.,Manipal Academy of Higher Education (MAHE), Manipal, 576104, India
| | - Akhilesh Pandey
- Institute of Bioinformatics, International Technology Park, Bangalore, 560066, Karnataka, India.,Manipal Academy of Higher Education (MAHE), Manipal, 576104, India.,Center for Molecular Medicine, National Institute of Mental Health and Neurosciences (NIMHANS), Bangalore, 560029, India.,Department of Laboratory Medicine and Pathology, Centre for Individualized Medicine, Mayo Clinic, Rochester, MN, 55905, USA
| | - Erik W Thompson
- Institute of Health and Biomedical Innovation and School of Biomedical Sciences, Queensland University of Technology, Brisbane, QLD, 4059, Australia. .,School-Biomedical Sciences, Translational Research Institute, Woolloongabba, QLD, 4102, Australia.
| | - Prashant Kumar
- Institute of Bioinformatics, International Technology Park, Bangalore, 560066, Karnataka, India. .,Manipal Academy of Higher Education (MAHE), Manipal, 576104, India. .,Somaiya Institute of Research and Consultancy (SIRAC), Somaiya Vidyavihar University (SVU), Vidyavihar, Mumbai, 400077, Maharashtra, India.
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20
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Eray A, Erkek-Özhan S. Classification of bladder cancer cell lines according to regulon activity. Turk J Biol 2022; 45:656-666. [PMID: 35068946 PMCID: PMC8733949 DOI: 10.3906/biy-2107-72] [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: 07/26/2021] [Accepted: 11/18/2021] [Indexed: 11/03/2022] Open
Abstract
Bladder cancer is one of the most frequent cancers and causes more than 150.000 deaths each year. During the last decade, several studies provided important aspects about genomic characterization, consensus subgroup definition, and transcriptional regulation of bladder cancer. Still, much more research needs to be done to characterize molecular signatures of this cancer in depth. At this point, the use of bladder cancer cell lines is quite useful for the identification and test of new signatures. In this study, we classified the bladder cancer cell lines according to the activities of regulons implicated in the regulation of primary bladder tumors. Our regulon gene expression-based classification revealed three groups, neuronal-basal (NB), luminal-papillary (LP), and basal-squamous (BS). These regulon gene expression-based classifications showed a quite good concordance with the consensus subgroups assigned by the primary bladder cancer classifier. Importantly, we identified FGFR1 regulon to be involved in the characterization of the NB group, where neuroendocrine signature genes were significantly upregulated, and further β-catenin was shown to have significantly higher nuclear localization. LP groups were mainly driven by the regulons ERBB2, FOXA1, GATA3, and PPARG, and they showed upregulation of the genes involved in epithelial differentiation and urogenital development, while the activity of EGFR, FOXM1, STAT3, and HIF1A was implicated for the regulation of BS group. Collectively, our results and classifications may serve as an important guide for the selection and use of bladder cancer cell lines for experimental strategies, which aim to manipulate regulons critical for bladder cancer development.
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Affiliation(s)
- Aleyna Eray
- İzmir Biomedicine and Genome Center, İzmir Turkey.,Dokuz Eylül University İzmir International Biomedicine and Genome Institute, İzmir Turkey
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21
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Font A, Ruiz de Porras V, Valderrama BP, Ramirez JL, Nonell L, Virizuela JA, Anido U, González-del-Alba A, Lainez N, Llorente MDM, Jiménez N, Mellado B, García-Donas J, Bellmunt J. Epithelial-to-Mesenchymal Transition Mediates Resistance to Maintenance Therapy with Vinflunine in Advanced Urothelial Cell Carcinoma. Cancers (Basel) 2021; 13:cancers13246235. [PMID: 34944855 PMCID: PMC8699401 DOI: 10.3390/cancers13246235] [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: 11/02/2021] [Revised: 12/03/2021] [Accepted: 12/10/2021] [Indexed: 12/24/2022] Open
Abstract
Simple Summary Platinum-based chemotherapy is the first-line treatment for advanced urothelial cell carcinoma (aUCC). After first-line treatment, we previously showed that maintenance therapy with vinflunine improves progression-free survival. However, some patients are resistant to vinflunine and the specific mechanisms of resistance in aUCC are unclear. We analyzed the genomic landscape and the biological processes potentially related to vinflunine activity and found that epithelial-to-mesenchymal transition (EMT) plays a pivotal role as a resistance mechanism. In experiments with cell lines, curcumin reversed EMT and sensitized cells to vinflunine. We suggest that EMT mediates resistance to vinflunine and that the reversion of this process could enhance the effect of vinflunine in aUCC patients. Abstract In the phase II MAJA trial, maintenance therapy with vinflunine resulted in longer progression-free survival compared to best supportive care in advanced urothelial cell carcinoma (aUCC) patients who did not progress after first-line platinum-based chemotherapy. However, despite an initial benefit observed in some patients, unequivocal resistance appears which underlying mechanisms are presently unknown. We have performed gene expression and functional enrichment analyses to shed light on the discovery of these underlying resistance mechanisms. Differential gene expression profile of eight patients with poor outcome and nine with good outcome to vinflunine administered in the MAJA trial were analyzed. RNA was isolated from tumor tissue and gene expression was assessed by microarray. Differential expression was determined with linear models for microarray data. Gene Set Enrichment Analysis (GSEA) was used for the functional classification of the genes. In vitro functional studies were performed using UCC cell lines. Hierarchical clustering showed a differential gene expression pattern between patients with good and poor outcome to vinflunine treatment. GSEA identified epithelial-to-mesenchymal transition (EMT) as the top negatively enriched hallmark in patients with good outcome. In vitro analyses showed that the polyphenol curcumin downregulated EMT markers and sensitized UCC cells to vinflunine. We conclude that EMT mediates resistance to vinflunine and suggest that the reversion of this process could enhance the effect of vinflunine in aUCC patients.
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Affiliation(s)
- Albert Font
- Department of Medical Oncology, Catalan Institute of Oncology, University Hospital Germans Trias i Pujol, Ctra. Can Ruti-Camí de les Escoles s/n, 08916 Badalona, Spain;
- Catalan Institute of Oncology, Badalona Applied Research Group in Oncology (B·ARGO), Ctra. Can Ruti-Camí de les Escoles s/n, 08916 Badalona, Spain;
| | - Vicenç Ruiz de Porras
- Catalan Institute of Oncology, Badalona Applied Research Group in Oncology (B·ARGO), Ctra. Can Ruti-Camí de les Escoles s/n, 08916 Badalona, Spain;
- Germans Trias i Pujol Research Institute (IGTP), Ctra. Can Ruti-Camí de les Escoles s/n, 08916 Badalona, Spain
| | - Begoña P. Valderrama
- Department of Medical Oncology, Hospital Universitario Virgen del Rocío, 41013 Seville, Spain;
| | - Jose Luis Ramirez
- Department of Haematology, Catalan Institute of Oncology, University Hospital Germans Trias i Pujol, Ctra. Can Ruti-Camí de les Escoles s/n, 08916 Badalona, Spain;
| | - Lara Nonell
- MARGenomics, Hospital del Mar Medical Research Institute (IMIM), 08003 Barcelona, Spain;
| | - José Antonio Virizuela
- Department of Medical Oncology, Hospital Universitario Virgen de Macarena, 41009 Seville, Spain;
| | - Urbano Anido
- Department of Medical Oncology, Complejo Hospitalario Universitario de Santiago, 15706 Santiago de Compostela, Spain;
| | - Aránzazu González-del-Alba
- Department of Medical Oncology, Hospital Universitario Puerta de Hierro-Majadahonda, 28222 Madrid, Spain;
| | - Nuria Lainez
- Department of Medical Oncology, Complejo Hospitalario de Navarra, 31008 Pamplona, Spain;
| | - Maria del Mar Llorente
- Department of Medical Oncology, Hospital General Universitario de Elda, 03600 Alicante, Spain;
| | - Natalia Jiménez
- Translational Genomics and Targeted Therapeutics in Solid Tumors Laboratory, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain;
| | - Begoña Mellado
- Department of Medical Oncology, Hospital Clinic de Barcelona, IDIBAPS, University of Barcelona, 08036 Barcelona, Spain;
| | - Jesus García-Donas
- Division of Medical Oncology, HM Hospitales-Centro Integral Oncológico Hospital de Madrid Clara Campal, 28050 Madrid, Spain
- Correspondence: (J.G.D.); (J.B.)
| | - Joaquim Bellmunt
- Division of Hematology and Oncology, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
- Correspondence: (J.G.D.); (J.B.)
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22
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Ding H, Huang Y, Shi J, Wang L, Liu S, Zhao B, Liu Y, Yang J, Chen Z. Attenuated expression of SNF5 facilitates progression of bladder cancer via STAT3 activation. Cancer Cell Int 2021; 21:655. [PMID: 34876150 PMCID: PMC8650342 DOI: 10.1186/s12935-021-02363-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Accepted: 11/24/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND SWI/SNF, a well-known ATP-dependent chromatin-remodeling complex, plays an essential role in several biological processes. SNF5, the core subunit of the SWI/SNF remodeling complex, inactivated in 95% of malignant rhabdoid tumors (MRT), highlighting its significance in tumorigenesis. However, the role of SNF5 in bladder cancer (BC) remains unknown. In this study, we aimed to investigate the function and potential clinical applicability of SNF5 in BC. METHODS Data from The Cancer Genome Atlas (TCGA), Gene Expression Omnibus (GEO) and Cancer Cell Line Encyclopedia (CCLE) databases were used to evaluate the clinical significance of SNF5 in BC. We performed Gene Set Enrichment Analysis (GSEA) and functional assays to investigate the role of SNF5 in BC. Genomics of Drug Sensitivity in Cancer (GDSC) and drug-susceptibility tests were performed to identify the potential value of SNF5 in the treatment of BC. RESULTS Low SNF5 expression conferred a poor prognosis and was significantly associated with the N-stage in BC. ROC curves indicated that SNF5 could distinguish BC from the normal tissues. In vitro and in vivo functional assays demonstrated that attenuated SNF5 expression could promote cell proliferation and enhance migration by STAT3 activation. We imputed that low SNF5 expression could confer greater resistance against conventional first-line drugs, including cisplatin and gemcitabine in BC. GDSC and drug-resistance assays suggested that low SNF5 expression renders T24 and 5637 cells high sensitivity to EGFR inhibitor gefitinib, and combination of EZH2 inhibitor GSK126 and cisplatin. CONCLUSIONS To the best of our knowledge, the present study, for the first time, showed that low SNF5 expression could promote cell proliferation and migration by activating STAT3 and confer poor prognosis in BC. Importantly, SNF5 expression may be a promising candidate for identifying BC patients who could benefit from EGFR-targeted chemotherapy or cisplatin in combination with EZH2 inhibitor treatment regimens.
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Affiliation(s)
- Hua Ding
- Department of Urology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Yaqin Huang
- Department of Cell Biology, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Jiazhong Shi
- Department of Cell Biology, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Liwei Wang
- Department of Urology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China.,Unit 32357 of People's Liberation Army, Pujiang, 611630, China
| | - Sha Liu
- Department of Cell Biology, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Baixiong Zhao
- Department of Urology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Yuting Liu
- Department of Cell Biology, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Jin Yang
- Department of Cell Biology, Third Military Medical University (Army Medical University), Chongqing, 400038, China.
| | - Zhiwen Chen
- Department of Urology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China.
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23
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Wang HT, Lee HW, Weng MW, Liu Y, Huang WC, Lepor H, Wu XR, Tang MS. The role of TAp63γ and P53 point mutations in regulating DNA repair, mutational susceptibility and invasion of bladder cancer cells. eLife 2021; 10:71184. [PMID: 34747697 PMCID: PMC8575459 DOI: 10.7554/elife.71184] [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: 06/11/2021] [Accepted: 10/21/2021] [Indexed: 11/13/2022] Open
Abstract
It has long been recognized that non-muscle-invasive bladder cancer (NMIBC) has a low propensity (20%) of becoming muscle-invasive (MIBC), and that MIBC carry many more p53 point mutations (p53m) than NMIBC (50% vs 10%). MIBC also has a higher mutation burden than NMIBC. These results suggest that DNA repair capacities, mutational susceptibility and p53m are crucial for MIBC development. We found MIBC cells are hypermutable, deficient in DNA repair and have markedly downregulated DNA repair genes, XPC, hOGG1/2 and Ref1, and the tumor suppressor, TAp63γ. In contrast, NMIBC cells are hyperactive in DNA repair and exhibit upregulated DNA repair genes and TAp63γ. A parallel exists in human tumors, as MIBC tissues have markedly lower DNA repair activity, and lower expression of DNA repair genes and TAp63γ compared to NMIBC tissues. Forced TAp63γ expression in MIBC significantly mitigates DNA repair deficiencies and reduces mutational susceptibility. Knockdown of TAp63γ in NMIBC greatly reduces DNA repair capacity and enhances mutational susceptibility. Manipulated TAp63γ expression or knockdown of p53m reduce the invasion of MIBC by 40–60%. However, the combination of p53m knockdown with forced TAp63γ expression reduce the invasion ability to nil suggesting that p53m contributes to invasion phenotype independent from TAp63γ. These results indicate that in BC, TAp63γ regulates DNA repair capacities, mutational susceptibility and invasion, and that p53m contribute to the invasion phenotype. We conclude that concurrent TAp63γ suppression and acquisition of p53m are a major cause for MIBC development.
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Affiliation(s)
- Hsiang-Tsui Wang
- Department of Environmental Medicine, New York University Grossman School of Medicine, New York, United States
| | - Hyun-Wook Lee
- Department of Environmental Medicine, New York University Grossman School of Medicine, New York, United States
| | - Mao-Wen Weng
- Department of Environmental Medicine, New York University Grossman School of Medicine, New York, United States
| | - Yan Liu
- Department of Urology, New York University Grossman School of Medicine, New York, United States
| | - William C Huang
- Department of Urology, New York University Grossman School of Medicine, New York, United States
| | - Herbert Lepor
- Department of Urology, New York University Grossman School of Medicine, New York, United States
| | - Xue-Ru Wu
- Department of Urology, New York University Grossman School of Medicine, New York, United States
| | - Moon-Shong Tang
- Department of Environmental Medicine, New York University Grossman School of Medicine, New York, United States
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24
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Richart L, Lapi E, Pancaldi V, Cuenca-Ardura M, Pau ECDS, Madrid-Mencía M, Neyret-Kahn H, Radvanyi F, Rodríguez JA, Cuartero Y, Serra F, Le Dily F, Valencia A, Marti-Renom MA, Real FX. STAG2 loss-of-function affects short-range genomic contacts and modulates the basal-luminal transcriptional program of bladder cancer cells. Nucleic Acids Res 2021; 49:11005-11021. [PMID: 34648034 PMCID: PMC8565347 DOI: 10.1093/nar/gkab864] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 09/08/2021] [Accepted: 09/29/2021] [Indexed: 12/13/2022] Open
Abstract
Cohesin exists in two variants containing STAG1 or STAG2. STAG2 is one of the most mutated genes in cancer and a major bladder tumor suppressor. Little is known about how its inactivation contributes to tumorigenesis. Here, we analyze the genomic distribution of STAG1 and STAG2 and perform STAG2 loss-of-function experiments using RT112 bladder cancer cells; we then analyze the genomic effects by integrating gene expression and chromatin interaction data. Functional compartmentalization exists between the cohesin complexes: cohesin-STAG2 displays a distinctive genomic distribution and mediates short and mid-ranged interactions that engage genes at higher frequency than those established by cohesin-STAG1. STAG2 knockdown results in down-regulation of the luminal urothelial signature and up-regulation of the basal transcriptional program, mirroring differences between STAG2-high and STAG2-low human bladder tumors. This is accompanied by rewiring of DNA contacts within topological domains, while compartments and domain boundaries remain refractive. Contacts lost upon depletion of STAG2 are assortative, preferentially occur within silent chromatin domains, and are associated with de-repression of lineage-specifying genes. Our findings indicate that STAG2 participates in the DNA looping that keeps the basal transcriptional program silent and thus sustains the luminal program. This mechanism may contribute to the tumor suppressor function of STAG2 in the urothelium.
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Affiliation(s)
- Laia Richart
- Epithelial Carcinogenesis Group, Spanish National Cancer Research Centre (CNIO), 28029 Madrid, Spain
| | - Eleonora Lapi
- Epithelial Carcinogenesis Group, Spanish National Cancer Research Centre (CNIO), 28029 Madrid, Spain.,Center for Biomedical Research Network (CIBERONC), 28029 Madrid, Spain
| | - Vera Pancaldi
- Barcelona Supercomputing Center (BSC), 08034 Barcelona, Spain.,Centre de Recherches en Cancérologie de Toulouse (CRCT), UMR1037 Inserm, ERL5294 CNRS, 31037 Toulouse, France.,University Paul Sabatier III, Toulouse, France
| | - Mirabai Cuenca-Ardura
- Epithelial Carcinogenesis Group, Spanish National Cancer Research Centre (CNIO), 28029 Madrid, Spain
| | | | - Miguel Madrid-Mencía
- Barcelona Supercomputing Center (BSC), 08034 Barcelona, Spain.,Centre de Recherches en Cancérologie de Toulouse (CRCT), UMR1037 Inserm, ERL5294 CNRS, 31037 Toulouse, France.,University Paul Sabatier III, Toulouse, France
| | - Hélène Neyret-Kahn
- Institut Curie, PSL Research University, CNRS, UMR144, Equipe Labellisée Ligue Contre le Cancer, 75005 Paris, France.,Sorbonne Université, UPMC Université Paris 06, CNRS, UMR144, 75005 Paris, France
| | - François Radvanyi
- Institut Curie, PSL Research University, CNRS, UMR144, Equipe Labellisée Ligue Contre le Cancer, 75005 Paris, France.,Sorbonne Université, UPMC Université Paris 06, CNRS, UMR144, 75005 Paris, France
| | - Juan Antonio Rodríguez
- CNAG-CRG, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), 08028 Barcelona, Spain
| | - Yasmina Cuartero
- CNAG-CRG, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), 08028 Barcelona, Spain
| | - François Serra
- Barcelona Supercomputing Center (BSC), 08034 Barcelona, Spain
| | - François Le Dily
- CNAG-CRG, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), 08028 Barcelona, Spain
| | - Alfonso Valencia
- Barcelona Supercomputing Center (BSC), 08034 Barcelona, Spain.,Institució Catalana de Recerca i Estudis Avançats (ICREA), 08010 Barcelona, Spain
| | - Marc A Marti-Renom
- CNAG-CRG, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), 08028 Barcelona, Spain.,Institució Catalana de Recerca i Estudis Avançats (ICREA), 08010 Barcelona, Spain.,Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), 08003 Barcelona, Spain.,Departament de Ciències Experimentals i de la Salut, Universitat Pompeu Fabra (UPF), 08003 Barcelona, Spain
| | - Francisco X Real
- Epithelial Carcinogenesis Group, Spanish National Cancer Research Centre (CNIO), 28029 Madrid, Spain.,Center for Biomedical Research Network (CIBERONC), 28029 Madrid, Spain.,Departament de Ciències Experimentals i de la Salut, Universitat Pompeu Fabra (UPF), 08003 Barcelona, Spain
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25
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Chu CE, Sjöström M, Egusa EA, Gibb EA, Badura ML, Zhu J, Koshkin VS, Stohr BA, Meng MV, Pruthi RS, Friedlander TW, Lotan Y, Black PC, Porten SP, Feng FY, Chou J. Heterogeneity in NECTIN4 Expression Across Molecular Subtypes of Urothelial Cancer Mediates Sensitivity to Enfortumab Vedotin. Clin Cancer Res 2021; 27:5123-5130. [PMID: 34108177 PMCID: PMC8634828 DOI: 10.1158/1078-0432.ccr-20-4175] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 02/02/2021] [Accepted: 05/07/2021] [Indexed: 11/16/2022]
Abstract
PURPOSE Enfortumab vedotin (EV) is an antibody-drug conjugate (ADC) targeting NECTIN4 (encoded by the PVRL4/NECTIN4 gene) approved for treatment-refractory metastatic urothelial cancer. Factors that mediate sensitivity or resistance to EV are unknown. In this study, we sought to (i) examine heterogeneity of NECTIN4 gene expression across molecular subtypes of bladder cancer and (ii) determine whether NECTIN4 expression mediates EV sensitivity or resistance. EXPERIMENTAL DESIGN Molecular subtyping and NECTIN4 expression data from seven muscle-invasive bladder cancer clinical cohorts (n = 1,915 total specimens) were used to assess NECTIN4 expression across molecular subtypes. The outcome of the transcriptomic analysis was relative NECTIN4 expression in the consensus molecular subtypes of bladder cancer. Expression of NECTIN4 was validated in bladder cancer cell lines. NECTIN4 was stably overexpressed or knocked down in basal and luminal bladder cancer cell lines and EV drug sensitivity assays were performed, as measured by cell proliferation and clonogenic assays. RESULTS NECTIN4 expression is heterogenous across molecular subtypes of bladder cancer and significantly enriched in luminal subtypes. NECTIN4 expression is positively correlated with luminal markers GATA3, FOXA1, and PPARG across all cohorts. NECTIN4 expression is both necessary and sufficient for EV sensitivity in luminal and basal subtypes of urothelial bladder cancer cells. Downregulation of NECTIN4 leads to EV resistance. CONCLUSIONS Sensitivity to EV is mediated by expression of NECTIN4, which is enriched in luminal subtypes of bladder cancer. These findings may have implications for biomarker development, patient selection, and the inclusion of molecular subtyping in ongoing and future EV clinical trials.See related commentary by Teo and Rosenberg, p. 4950.
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Affiliation(s)
- Carissa E Chu
- Department of Urology, University of California, San Francisco, California
| | - Martin Sjöström
- UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, California
- Department of Radiation Oncology, University of California, San Francisco, California
| | - Emily A Egusa
- UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, California
- Department of Radiation Oncology, University of California, San Francisco, California
| | - Ewan A Gibb
- Decipher Biosciences, Inc., San Diego, California
| | - Michelle L Badura
- UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, California
- Department of Radiation Oncology, University of California, San Francisco, California
| | - Jun Zhu
- UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, California
- Department of Radiation Oncology, University of California, San Francisco, California
| | - Vadim S Koshkin
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, California
| | - Bradley A Stohr
- UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, California
- Department of Pathology, University of California, San Francisco, California
| | - Maxwell V Meng
- Department of Urology, University of California, San Francisco, California
- UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, California
| | - Raj S Pruthi
- Department of Urology, University of California, San Francisco, California
- UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, California
| | - Terence W Friedlander
- UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, California
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, California
| | - Yair Lotan
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Peter C Black
- Department of Urologic Sciences, University of British Columbia, Vancouver, British Columbia, Canada
| | - Sima P Porten
- Department of Urology, University of California, San Francisco, California
- UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, California
| | - Felix Y Feng
- Department of Urology, University of California, San Francisco, California.
- UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, California
- Department of Radiation Oncology, University of California, San Francisco, California
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, California
| | - Jonathan Chou
- UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, California.
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, California
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Burns JE, Hurst CD, Knowles MA, Phillips RM, Allison SJ. The Warburg effect as a therapeutic target for bladder cancers and intratumoral heterogeneity in associated molecular targets. Cancer Sci 2021; 112:3822-3834. [PMID: 34181805 PMCID: PMC8409428 DOI: 10.1111/cas.15047] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 06/18/2021] [Accepted: 06/25/2021] [Indexed: 12/14/2022] Open
Abstract
Bladder cancer is the 10th most common cancer worldwide. For muscle-invasive bladder cancer (MIBC), treatment includes radical cystectomy, radiotherapy, and chemotherapy; however, the outcome is generally poor. For non-muscle-invasive bladder cancer (NMIBC), tumor recurrence is common. There is an urgent need for more effective and less harmful therapeutic approaches. Here, bladder cancer cell metabolic reprogramming to rely on aerobic glycolysis (the Warburg effect) and expression of associated molecular therapeutic targets by bladder cancer cells of different stages and grades, and in freshly resected clinical tissue, is investigated. Importantly, analyses indicate that the Warburg effect is a feature of both NMIBCs and MIBCs. In two in vitro inducible epithelial-mesenchymal transition (EMT) bladder cancer models, EMT stimulation correlated with increased lactate production, the end product of aerobic glycolysis. Protein levels of lactate dehydrogenase A (LDH-A), which promotes pyruvate enzymatic reduction to lactate, were higher in most bladder cancer cell lines (compared with LDH-B, which catalyzes the reverse reaction), but the levels did not closely correlate with aerobic glycolysis rates. Although LDH-A is expressed in normal urothelial cells, LDH-A knockdown by RNAi selectively induced urothelial cancer cell apoptotic death, whereas normal cells were unaffected-identifying LDH-A as a cancer-selective therapeutic target for bladder cancers. LDH-A and other potential therapeutic targets (MCT4 and GLUT1) were expressed in patient clinical specimens; however, positive staining varied in different areas of sections and with distance from a blood vessel. This intratumoral heterogeneity has important therapeutic implications and indicates the possibility of tumor cell metabolic coupling.
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Affiliation(s)
- Julie E. Burns
- Leeds Institute of Medical ResearchSt. James’ University HospitalUniversity of LeedsLeedsUK
| | - Carolyn D. Hurst
- Leeds Institute of Medical ResearchSt. James’ University HospitalUniversity of LeedsLeedsUK
| | - Margaret A. Knowles
- Leeds Institute of Medical ResearchSt. James’ University HospitalUniversity of LeedsLeedsUK
| | | | - Simon J. Allison
- Leeds Institute of Medical ResearchSt. James’ University HospitalUniversity of LeedsLeedsUK
- School of Applied SciencesUniversity of HuddersfieldHuddersfieldUK
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Lee YH, Lee MM, De Silva DM, Roy A, Wright CE, Wong TK, Costello R, Olaku O, Grubb RL, Agarwal PK, Apolo AB, Bottaro DP. Autocrine signaling by receptor tyrosine kinases in urothelial carcinoma of the bladder. PLoS One 2021; 16:e0241766. [PMID: 34292953 PMCID: PMC8297783 DOI: 10.1371/journal.pone.0241766] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 06/10/2021] [Indexed: 12/24/2022] Open
Abstract
Comprehensive characterizations of bladder cancer (BCa) have established molecular phenotype classes with distinct alterations and survival trends. Extending these studies within the tyrosine kinase (TK) family to identify disease drivers could improve our use of TK inhibitors to treat specific patient groups or individuals. We examined the expression distribution of TKs as a class (n = 89) in The Cancer Genome Atlas (TCGA) muscle invasive BCa data set (n >400). Patient profiles of potentially oncogenic alterations (overexpression and/or amplification) clustered TKs into 3 groups; alterations of group 1 and 3 TKs were associated with significantly worse patient survival relative to those without alterations. Many TK pathways induce epithelial-to-mesenchymal transition (EMT), which promotes tumor invasiveness and metastasis. Overexpression and/or amplification among 9 EMT transcriptional activators occurred in 43% of TCGA cases. Co-occurring alterations of TKs and EMT transcriptional activators involved most group 1 TKs; 24% of these events were associated with significantly worse patient survival. Co-occurring alterations of receptor TKs and their cognate ligands occurred in 16% of TCGA cases and several BCa-derived cell lines. Suppression of GAS6, MST1 or CSF1, or their respective receptors (AXL, MST1R and CSF1R), in BCa cell lines was associated with decreased receptor activation, cell migration, cell proliferation and anchorage independent cell growth. These studies reveal the patterns and prevalence of potentially oncogenic TK pathway-related alterations in BCa and identify specific alterations associated with reduced BCa patient survival. Detection of these features in BCa patients could better inform TK inhibitor use and improve clinical outcomes.
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Affiliation(s)
- Young H. Lee
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Molly M. Lee
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Dinuka M. De Silva
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Arpita Roy
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Cara E. Wright
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Tiffany K. Wong
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Rene Costello
- Genitourinary Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Oluwole Olaku
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Robert L. Grubb
- Department of Urology, Medical University of South Carolina, Charleston, South Carolina, United States of America
| | - Piyush K. Agarwal
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Andrea B. Apolo
- Genitourinary Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States of America
- * E-mail: (DPB); (ABP)
| | - Donald P. Bottaro
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States of America
- * E-mail: (DPB); (ABP)
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Iyyanki T, Zhang B, Wang Q, Hou Y, Jin Q, Xu J, Yang H, Liu T, Wang X, Song F, Luan Y, Yamashita H, Chien R, Lyu H, Zhang L, Wang L, Warrick J, Raman JD, Meeks JJ, DeGraff DJ, Yue F. Subtype-associated epigenomic landscape and 3D genome structure in bladder cancer. Genome Biol 2021; 22:105. [PMID: 33858483 PMCID: PMC8048365 DOI: 10.1186/s13059-021-02325-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Accepted: 03/25/2021] [Indexed: 12/24/2022] Open
Abstract
Muscle-invasive bladder cancers are characterized by their distinct expression of luminal and basal genes, which could be used to predict key clinical features such as disease progression and overall survival. Transcriptionally, FOXA1, GATA3, and PPARG are shown to be essential for luminal subtype-specific gene regulation and subtype switching, while TP63, STAT3, and TFAP2 family members are critical for regulation of basal subtype-specific genes. Despite these advances, the underlying epigenetic mechanisms and 3D chromatin architecture responsible for subtype-specific regulation in bladder cancer remain unknown. RESULT: We determine the genome-wide transcriptome, enhancer landscape, and transcription factor binding profiles of FOXA1 and GATA3 in luminal and basal subtypes of bladder cancer. Furthermore, we report the first-ever mapping of genome-wide chromatin interactions by Hi-C in both bladder cancer cell lines and primary patient tumors. We show that subtype-specific transcription is accompanied by specific open chromatin and epigenomic marks, at least partially driven by distinct transcription factor binding at distal enhancers of luminal and basal bladder cancers. Finally, we identify a novel clinically relevant transcription factor, Neuronal PAS Domain Protein 2 (NPAS2), in luminal bladder cancers that regulates other subtype-specific genes and influences cancer cell proliferation and migration. CONCLUSION: In summary, our work identifies unique epigenomic signatures and 3D genome structures in luminal and basal urinary bladder cancers and suggests a novel link between the circadian transcription factor NPAS2 and a clinical bladder cancer subtype.
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Affiliation(s)
- Tejaswi Iyyanki
- Department of Biochemistry and Molecular Biology, Penn State School of Medicine, Hershey, PA, USA
- Department of Biochemistry and Molecular Genetics, Feinberg School of Medicine Northwestern University, Chicago, IL, USA
| | - Baozhen Zhang
- Department of Biochemistry and Molecular Genetics, Feinberg School of Medicine Northwestern University, Chicago, IL, USA
- Present address: Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Division of Etiology, Peking University Cancer Hospital and Institute, Beijing, China
| | - Qixuan Wang
- Department of Biochemistry and Molecular Genetics, Feinberg School of Medicine Northwestern University, Chicago, IL, USA
| | - Ye Hou
- Department of Biochemistry and Molecular Genetics, Feinberg School of Medicine Northwestern University, Chicago, IL, USA
| | - Qiushi Jin
- Department of Biochemistry and Molecular Genetics, Feinberg School of Medicine Northwestern University, Chicago, IL, USA
| | - Jie Xu
- Department of Biochemistry and Molecular Biology, Penn State School of Medicine, Hershey, PA, USA
- Department of Biochemistry and Molecular Genetics, Feinberg School of Medicine Northwestern University, Chicago, IL, USA
| | - Hongbo Yang
- Department of Biochemistry and Molecular Genetics, Feinberg School of Medicine Northwestern University, Chicago, IL, USA
| | - Tingting Liu
- Department of Biochemistry and Molecular Genetics, Feinberg School of Medicine Northwestern University, Chicago, IL, USA
| | - Xiaotao Wang
- Department of Biochemistry and Molecular Genetics, Feinberg School of Medicine Northwestern University, Chicago, IL, USA
| | - Fan Song
- Department of Biochemistry and Molecular Biology, Penn State School of Medicine, Hershey, PA, USA
- Department of Biochemistry and Molecular Genetics, Feinberg School of Medicine Northwestern University, Chicago, IL, USA
| | - Yu Luan
- Department of Biochemistry and Molecular Genetics, Feinberg School of Medicine Northwestern University, Chicago, IL, USA
| | - Hironobu Yamashita
- Department of Pathology and Laboratory Medicine, The Pennsylvania State University, College of Medicine, Hershey, PA, USA
- Department of Surgery, Division of Urology, The Pennsylvania State University, College of Medicine, Hershey, PA, USA
| | - Ruby Chien
- University of Illinois College of Medicine, Chicago, IL, USA
| | - Huijue Lyu
- Department of Biochemistry and Molecular Genetics, Feinberg School of Medicine Northwestern University, Chicago, IL, USA
| | - Lijun Zhang
- Department of Biochemistry and Molecular Biology, The Pennsylvania State University, College of Medicine, Hershey, PA, USA
| | - Lu Wang
- Department of Biochemistry and Molecular Genetics, Feinberg School of Medicine Northwestern University, Chicago, IL, USA
| | - Joshua Warrick
- Department of Pathology and Laboratory Medicine, The Pennsylvania State University, College of Medicine, Hershey, PA, USA
- Department of Surgery, Division of Urology, The Pennsylvania State University, College of Medicine, Hershey, PA, USA
| | - Jay D Raman
- Department of Surgery, Division of Urology, The Pennsylvania State University, College of Medicine, Hershey, PA, USA
| | - Joshua J Meeks
- Department of Urology, Feinberg School of Medicine and The Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL, USA
| | - David J DeGraff
- Department of Pathology and Laboratory Medicine, The Pennsylvania State University, College of Medicine, Hershey, PA, USA.
- Department of Surgery, Division of Urology, The Pennsylvania State University, College of Medicine, Hershey, PA, USA.
| | - Feng Yue
- Department of Biochemistry and Molecular Genetics, Feinberg School of Medicine Northwestern University, Chicago, IL, USA.
- Robert H. Lurie Comprehensive Cancer Center of Northwestern University, Chicago, IL, USA.
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Kitowska K, Gorska-Arcisz M, Antoun D, Zarczynska I, Czaplinska D, Szczepaniak A, Skladanowski AC, Wieczorek M, Stanczak A, Skupinska M, Sadej R. MET-Pyk2 Axis Mediates Acquired Resistance to FGFR Inhibition in Cancer Cells. Front Oncol 2021; 11:633410. [PMID: 33898310 PMCID: PMC8059549 DOI: 10.3389/fonc.2021.633410] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 03/10/2021] [Indexed: 12/16/2022] Open
Abstract
Deregulation of fibroblast growth factor receptors (FGFRs) signaling, as a result of FGFR amplification, chromosomal translocation, or mutations, is involved in both initiation and progression of a wide range of human cancers. Clinical data demonstrating the dependence of cancer cells on FGFRs signaling clearly indicate these receptors as the molecular targets of anti-cancer therapies. Despite the increasing number of tyrosine kinase inhibitors (TKIs) being investigated in clinical trials, acquired resistance to these drugs poses a serious therapeutic problem. In this study, we focused on a novel pan-FGFR inhibitor-CPL304110, currently being investigated in phase I clinical trials in adults with advanced solid malignancies. We analyzed the sensitivity of 17 cell lines derived from cancers with aberrant FGFR signaling, i.e. non-small cell lung cancer, gastric and bladder cancer to CPL304110. In order to explore the mechanism of acquired resistance to this FGFR inhibitor, we developed from sensitive cell lines their variants resistant to CPL304110. Herein, for the first time we revealed that the process of acquired resistance to the novel FGFR inhibitor was associated with increased expression of MET in lung, gastric, and bladder cancer cells. Overexpression of MET in NCI-H1703, SNU-16, RT-112 cells as well as treatment with HGF resulted in the impaired response to inhibition of FGFR activity. Moreover, we demonstrated that cells with acquired resistance to FGFR inhibitor as well as cells overexpressing MET displayed enhanced migratory abilities what was accompanied with increased levels of Pyk2 expression. Importantly, inhibition of both MET and Pyk2 activity restored sensitivity to FGFR inhibition in these cells. Our results demonstrate that the HGF/MET-Pyk2 signaling axis confers resistance to the novel FGFR inhibitor, and this mechanism is common for lung, gastric, and bladder cancer cells. Our study suggests that targeting of MET/Pyk2 could be an approach to overcome resistance to FGFR inhibition.
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Affiliation(s)
- Kamila Kitowska
- Department of Molecular Enzymology and Oncology, Intercollegiate Faculty of Biotechnology, University of Gdansk and Medical University of Gdansk, Gdansk, Poland
| | - Monika Gorska-Arcisz
- Department of Molecular Enzymology and Oncology, Intercollegiate Faculty of Biotechnology, University of Gdansk and Medical University of Gdansk, Gdansk, Poland
| | - Dima Antoun
- Department of Molecular Enzymology and Oncology, Intercollegiate Faculty of Biotechnology, University of Gdansk and Medical University of Gdansk, Gdansk, Poland
| | - Izabela Zarczynska
- Department of Molecular Enzymology and Oncology, Intercollegiate Faculty of Biotechnology, University of Gdansk and Medical University of Gdansk, Gdansk, Poland
| | - Dominika Czaplinska
- Department of Molecular Enzymology and Oncology, Intercollegiate Faculty of Biotechnology, University of Gdansk and Medical University of Gdansk, Gdansk, Poland
| | - Adrian Szczepaniak
- Department of Molecular Enzymology and Oncology, Intercollegiate Faculty of Biotechnology, University of Gdansk and Medical University of Gdansk, Gdansk, Poland
| | - Andrzej C Skladanowski
- Department of Molecular Enzymology and Oncology, Intercollegiate Faculty of Biotechnology, University of Gdansk and Medical University of Gdansk, Gdansk, Poland
| | - Maciej Wieczorek
- Innovative Drugs R&D Department, Celon Pharma, Lomianki/Kielpin, Poland
| | | | - Monika Skupinska
- Innovative Drugs R&D Department, Celon Pharma, Lomianki/Kielpin, Poland
| | - Rafal Sadej
- Department of Molecular Enzymology and Oncology, Intercollegiate Faculty of Biotechnology, University of Gdansk and Medical University of Gdansk, Gdansk, Poland
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Dominant role of CDKN2B/p15INK4B of 9p21.3 tumor suppressor hub in inhibition of cell-cycle and glycolysis. Nat Commun 2021; 12:2047. [PMID: 33824349 PMCID: PMC8024281 DOI: 10.1038/s41467-021-22327-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 03/11/2021] [Indexed: 01/07/2023] Open
Abstract
Human chromosome 9p21.3 is susceptible to inactivation in cell immortalization and diseases, such as cancer, coronary artery disease and type-2 diabetes. Although this locus encodes three cyclin-dependent kinase (CDK) inhibitors (p15INK4B, p14ARF and p16INK4A), our understanding of their functions and modes of action is limited to the latter two. Here, we show that in vitro p15INK4B is markedly stronger than p16INK4A in inhibiting pRb1 phosphorylation, E2F activity and cell-cycle progression. In mice, urothelial cells expressing oncogenic HRas and lacking p15INK4B, but not those expressing HRas and lacking p16INK4A, develop early-onset bladder tumors. The potency of CDKN2B/p15INK4B in tumor suppression relies on its strong binding via key N-terminal residues to and inhibition of CDK4/CDK6. p15INK4B also binds and inhibits enolase-1, a glycolytic enzyme upregulated in most cancer types. Our results highlight the dual inhibition of p15INK4B on cell proliferation, and unveil mechanisms whereby p15INK4B aberrations may underpin cancer and non-cancer conditions. The human chromosome locus 9p21.3 is a tumour suppressor hub which encodes three CDK inhibitors, p15INK4B, p14ARF and p16INK4A. Here, the authors show that p15INK4B inhibits the cell cycle and glycolysis in a murine model of HRas + ‐mediated urothelial carcinoma and has a more relevant role as a tumour suppressor than its neighbouring p16INK4A.
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Emerging Roles of Urine-Derived Components for the Management of Bladder Cancer: One Man's Trash Is Another Man's Treasure. Cancers (Basel) 2021; 13:cancers13030422. [PMID: 33498666 PMCID: PMC7865365 DOI: 10.3390/cancers13030422] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 01/18/2021] [Accepted: 01/21/2021] [Indexed: 12/24/2022] Open
Abstract
Simple Summary Urinary bladder cancer (UBC) is one of the most common and deadly cancers worldwide, with many patients not responding to chemotherapy, or presenting with serious adverse effects after chemotherapy. Yet, current bench side assays provide limited accuracy for predicting therapeutic response to chemotherapeutic drugs. The aim of this review is to demonstrate the potential of urinary-derived extracellular vesicles and UBC-organoids to serve as predictive biomarkers for this cancer. Specifically, molecular subtyping of urine-derived extracellular vesicles has the potential to provide insights into the molecular stratification of the tumor, while urinary organoids will allow for individualized chemotherapy testing in the context of precision medicine. Abstract Urinary bladder cancer (UBC) is the most common malignancy of the urinary tract in humans, with an estimated global prevalence of 1.1 million cases over 5 years. Because of its high rates of recurrence and resistance to chemotherapy, UBC is one of the most expensive cancers to treat, resulting in significant health care costs. The development of innovative molecular and cellular tools is necessary to refine patient stratification and help predict response to treatment. Urine is an underused resource of biological components shed from bladder tumors, such as exfoliated cells and extracellular vesicles, that could serve as molecular fingerprints and provide valuable biological insights into tumor phenotype and mechanisms of resistance to chemotherapy. Additionally, characterization of urine-derived extracellular vesicles and cells could be used as reliable biomarkers for prediction of response to neoadjuvant therapy.
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Review of Experimental Studies to Improve Radiotherapy Response in Bladder Cancer: Comments and Perspectives. Cancers (Basel) 2020; 13:cancers13010087. [PMID: 33396795 PMCID: PMC7795454 DOI: 10.3390/cancers13010087] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 12/22/2020] [Accepted: 12/22/2020] [Indexed: 01/04/2023] Open
Abstract
Bladder cancer is among the top ten most common cancer types in the world. Around 25% of all cases are muscle-invasive bladder cancer, for which the gold standard treatment in the absence of metastasis is the cystectomy. In recent years, trimodality treatment associating maximal transurethral resection and radiotherapy combined with concurrent chemotherapy is increasingly used as an organ-preserving alternative. However, the use of this treatment is still limited by the lack of biomarkers predicting tumour response and by a lack of targeted radiosensitising drugs that can improve the therapeutic index, especially by limiting side effects such as bladder fibrosis. In order to improve the bladder-preserving treatment, experimental studies addressing these main issues ought to be considered (both in vitro and in vivo studies). Following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines for systematic reviews, we conducted a literature search in PubMed on experimental studies investigating how to improve bladder cancer radiotherapy with different radiosensitising agents using a comprehensive search string. We made comments on experimental model selection, experimental design and results, formulating the gaps of knowledge still existing: such as the lack of reliable predictive biomarkers of tumour response to chemoradiation according to the molecular tumour subtype and lack of efficient radiosensitising agents specifically targeting bladder tumour cells. We provided guidance to improve forthcoming studies, such as taking into account molecular characteristics of the preclinical models and highlighted the value of using patient-derived xenografts as well as syngeneic models. Finally, this review could be a useful tool to set up new radiation-based combined treatments with an improved therapeutic index that is needed for bladder preservation.
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Pasquale V, Ducci G, Campioni G, Ventrici A, Assalini C, Busti S, Vanoni M, Vago R, Sacco E. Profiling and Targeting of Energy and Redox Metabolism in Grade 2 Bladder Cancer Cells with Different Invasiveness Properties. Cells 2020; 9:cells9122669. [PMID: 33322565 PMCID: PMC7764708 DOI: 10.3390/cells9122669] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 12/07/2020] [Accepted: 12/08/2020] [Indexed: 12/14/2022] Open
Abstract
Bladder cancer is one of the most prevalent deadly diseases worldwide. Grade 2 tumors represent a good window of therapeutic intervention, whose optimization requires high resolution biomarker identification. Here we characterize energy metabolism and cellular properties associated with spreading and tumor progression of RT112 and 5637, two Grade 2 cancer cell lines derived from human bladder, representative of luminal-like and basal-like tumors, respectively. The two cell lines have similar proliferation rates, but only 5637 cells show efficient lateral migration. In contrast, RT112 cells are more prone to form spheroids. RT112 cells produce more ATP by glycolysis and OXPHOS, present overall higher metabolic plasticity and are less sensitive than 5637 to nutritional perturbation of cell proliferation and migration induced by treatment with 2-deoxyglucose and metformin. On the contrary, spheroid formation is less sensitive to metabolic perturbations in 5637 than RT112 cells. The ability of metformin to reduce, although with different efficiency, cell proliferation, sphere formation and migration in both cell lines, suggests that OXPHOS targeting could be an effective strategy to reduce the invasiveness of Grade 2 bladder cancer cells.
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Affiliation(s)
- Valentina Pasquale
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy; (V.P.); (G.D.); (G.C.); (A.V.); (S.B.)
- SYSBIO-ISBE-IT-Candidate National Node of Italy for ISBE, Research Infrastructure for Systems Biology Europe, 20126 Milan, Italy
| | - Giacomo Ducci
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy; (V.P.); (G.D.); (G.C.); (A.V.); (S.B.)
- SYSBIO-ISBE-IT-Candidate National Node of Italy for ISBE, Research Infrastructure for Systems Biology Europe, 20126 Milan, Italy
| | - Gloria Campioni
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy; (V.P.); (G.D.); (G.C.); (A.V.); (S.B.)
- SYSBIO-ISBE-IT-Candidate National Node of Italy for ISBE, Research Infrastructure for Systems Biology Europe, 20126 Milan, Italy
| | - Adria Ventrici
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy; (V.P.); (G.D.); (G.C.); (A.V.); (S.B.)
| | - Chiara Assalini
- Urological Research Institute, Division of Experimental Oncology, IRCCS San Raffaele Hospital, 20132 Milan, Italy;
| | - Stefano Busti
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy; (V.P.); (G.D.); (G.C.); (A.V.); (S.B.)
- SYSBIO-ISBE-IT-Candidate National Node of Italy for ISBE, Research Infrastructure for Systems Biology Europe, 20126 Milan, Italy
| | - Marco Vanoni
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy; (V.P.); (G.D.); (G.C.); (A.V.); (S.B.)
- SYSBIO-ISBE-IT-Candidate National Node of Italy for ISBE, Research Infrastructure for Systems Biology Europe, 20126 Milan, Italy
- Correspondence: (M.V.); (R.V.); (E.S.); Tel.: +39-02-6448-3525 (M.V.); +39-02-2643-5664 (R.V.); +39-02-6448-3379 (E.S.)
| | - Riccardo Vago
- Urological Research Institute, Division of Experimental Oncology, IRCCS San Raffaele Hospital, 20132 Milan, Italy;
- Università Vita-Salute San Raffaele, 20132 Milan, Italy
- Correspondence: (M.V.); (R.V.); (E.S.); Tel.: +39-02-6448-3525 (M.V.); +39-02-2643-5664 (R.V.); +39-02-6448-3379 (E.S.)
| | - Elena Sacco
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy; (V.P.); (G.D.); (G.C.); (A.V.); (S.B.)
- SYSBIO-ISBE-IT-Candidate National Node of Italy for ISBE, Research Infrastructure for Systems Biology Europe, 20126 Milan, Italy
- Correspondence: (M.V.); (R.V.); (E.S.); Tel.: +39-02-6448-3525 (M.V.); +39-02-2643-5664 (R.V.); +39-02-6448-3379 (E.S.)
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Mutant Kras as a Biomarker Plays a Favorable Role in FL118-Induced Apoptosis, Reactive Oxygen Species (ROS) Production and Modulation of Survivin, Mcl-1 and XIAP in Human Bladder Cancer. Cancers (Basel) 2020; 12:cancers12113413. [PMID: 33217967 PMCID: PMC7698790 DOI: 10.3390/cancers12113413] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 11/13/2020] [Indexed: 12/12/2022] Open
Abstract
Simple Summary FL118 is a novel orally available small molecule anticancer drug. We found that bladder cancer cells with a mutant Kras is highly sensitive to FL118-induced cell growth inhibition and cell death induction through inhibiting the anti-cancer cell death and drug resistance factors (survivin, Mcl-1, XIAP). In the Kras-mutation bladder cancer cells, FL118 can stimulate the reactive oxygen species (ROS) over-production for killing bladder cancer cells and inhibiting bladder cancer cell-established tumor growth. Elimination of mutant Kras by Kras-specific shRNA technology in mutant Kras-containing bladder cancer cell-established tumor decreased FL118 effectiveness to inhibit bladder cancer tumor growth. In this regard, mutant Kras is a potential favorable biomarker for FL118. This finding is significant because mutant Kras is known to be a formidable challenge treatment resistant factor in various types of cancer. Thus, FL118 could use mutant Kras as favorable biomarker for patient selection to carry out precision medicine. Abstract Tumor heterogeneity in key gene mutations in bladder cancer (BC) is a major hurdle for the development of effective treatments. Using molecular, cellular, proteomics and animal models, we demonstrated that FL118, an innovative small molecule, is highly effective at killing T24 and UMUC3 high-grade BC cells, which have Hras and Kras mutations, respectively. In contrast, HT1376 BC cells with wild-type Ras are insensitive to FL118. This concept was further demonstrated in additional BC and colorectal cancer cells with mutant Kras versus those with wild-type Kras. FL118 strongly induced PARP cleavage (apoptosis hallmark) and inhibited survivin, XIAP and/or Mcl-1 in both T24 and UMUC3 cells, but not in the HT1376 cells. Silencing mutant Kras reduced both FL118-induced PARP cleavage and downregulation of survivin, XIAP and Mcl-1 in UMUC3 cells, suggesting mutant Kras is required for FL118 to exhibit higher anticancer efficacy. FL118 increased reactive oxygen species (ROS) production in T24 and UMUC3 cells, but not in HT1376 cells. Silencing mutant Kras in UMUC3 cells reduced FL118-mediated ROS generation. Proteomics analysis revealed that a profound and opposing Kras-relevant signaling protein is changed in UMUC3 cells and not in HT1376 cells. Consistently, in vivo studies indicated that UMUC3 tumors are highly sensitive to FL118 treatment, while HT1376 tumors are highly resistant to this agent. Silencing mutant Kras in UMUC3 cell-derived tumors decreases UMUC3 tumor sensitivity to FL118 treatment. Together, our studies revealed that mutant Kras is a favorable biomarker for FL118 targeted treatment.
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Wang HH, Chen Y, Changchien CY, Chang HH, Lu PJ, Mariadas H, Cheng YC, Wu ST. Pharmaceutical Evaluation of Honokiol and Magnolol on Apoptosis and Migration Inhibition in Human Bladder Cancer Cells. Front Pharmacol 2020; 11:549338. [PMID: 33240083 PMCID: PMC7677562 DOI: 10.3389/fphar.2020.549338] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 09/30/2020] [Indexed: 12/22/2022] Open
Abstract
Among herbal medicines, magnolia bark extract, particularly its components honokiol (Hono) and magnolol (Mag), has been widely documented to have antineoplastic properties. The present study aimed to evaluate the synergism of Hono and Mag in bladder cancer therapy both in vitro and in vivo. Treatment with Mag alone at concentrations up to 80 μM failed to have an antiproliferative effect. In contrast, the combination of Hono and Mag at 40 μM decreased viability, caused cell cycle arrest and enhanced the proportion of Annexin V/7AAD-positive cells. Moreover, Mag with Hono at 40 μM induced caspase 3-dependent apoptosis and autophagy. Neither Hono nor Mag alone had an anti-migratory effect on bladder cancer cells. In contrast, Hono and Mag at 20 μM inhibited the motility of TSGH8301 and T24 cells in wound-healing and Transwell assays. The above phenomena were further confirmed by decreased phosphorylated focal adhesion kinase (p-FAK), p-paxillin, integrin β1, and integrin β3 protein levels. In a nude mouse xenograft model, Mag/Hono administration preferentially retarded T24 tumor progression, which was consistent with the results of cellular experiments. Current findings suggest Hono and Mag treatment as a potential anticancer therapy for both low- and high-grade urothelial carcinoma.
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Affiliation(s)
- Hisao-Hsien Wang
- Division of Urology, Department of Surgery, Cheng Hsin General Hospital, Taipei, Taiwan
| | - Ying Chen
- Department of Biology and Anatomy, National Defense Medical Center, Taipei, Taiwan
| | - Chih-Ying Changchien
- Department of Biology and Anatomy, National Defense Medical Center, Taipei, Taiwan.,Department of General Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Hsin-Han Chang
- Department of Biology and Anatomy, National Defense Medical Center, Taipei, Taiwan
| | - Pei-Jyun Lu
- Department of Medicine, National Defense Medical Center, Taipei, Taiwan
| | - Heidi Mariadas
- Department of Medicine, National Defense Medical Center, Taipei, Taiwan
| | - Yu-Chen Cheng
- Department of Biology and Anatomy, National Defense Medical Center, Taipei, Taiwan
| | - Sheng-Tang Wu
- Division of Urology, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.,Department of Medical Planning, Medical Affairs Bureau Ministry of National Defense, Taipei, Taiwan
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Zhao M, Sun Y, Gao Z, Cui H, Chen J, Wang M, Wang Z. Gigantol Attenuates the Metastasis of Human Bladder Cancer Cells, Possibly Through Wnt/EMT Signaling. Onco Targets Ther 2020; 13:11337-11346. [PMID: 33177841 PMCID: PMC7649247 DOI: 10.2147/ott.s271032] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 10/14/2020] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Bladder cancer has long been recognized as one of the most common and aggressive human malignant carcinomas due to the increased invasiveness and metastasis. The discovery and development of natural compounds from Dendrobium species for cancer therapy have garnered increasing attention in recent years. Among those natural elements, the bibenzyl compound gigantol has promising therapeutic potential against several cancer cell lines; however, its roles on bladder tumor metastasis have not been investigated. MATERIALS AND METHODS Here in this in vitro study, we utilized viability tests, cell migration, cell invasion and apoptosis assays to evaluate the anti-tumor activity of gigantol on three human bladder cancer cell lines (SW780, 5637, and T24) and a normal human bladder cell line (SVHUC-1). Cells were treated with different concentrations of gigantol (0, 40, 80, and 160 µM) for 24, 48 and 72 h. RESULTS Here in this study, we showed that gigantol suppressed cancer cell proliferation but not normal SVHUC-1 cells. The inhibitory effect of the compound on cell migration and invasion was also exhibited in the cancer cell lines. Cell apoptosis assay by flow cytometry revealed enhanced apoptotic effects of gigantol on cancer cells. Gene expression analysis revealed that Wnt/EMT signaling might involve in the response of bladder cancer cells to gigantol. CONCLUSION Therefore, the present data demonstrate gigantol as a strong anticancer reagent against bladder cancer possibly through Wnt/EMT signaling.
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Affiliation(s)
- Meili Zhao
- Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization (Shenzhen), Shenzhen518114, People’s Republic of China
- Shenzhen Key Laboratory for Orchid Conservation and Utilization, The National Orchid Conservation Center of China and the Orchid Conservation & Research Center of Shenzhen, Shenzhen518114, People’s Republic of China
| | - Yangyang Sun
- Key Laboratory of Medical Reprogramming Technology, Shenzhen Second People’s Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen518035, People’s Republic of China
| | - Zhen Gao
- Key Laboratory of Medical Reprogramming Technology, Shenzhen Second People’s Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen518035, People’s Republic of China
| | - Hongqiu Cui
- Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization (Shenzhen), Shenzhen518114, People’s Republic of China
- Shenzhen Key Laboratory for Orchid Conservation and Utilization, The National Orchid Conservation Center of China and the Orchid Conservation & Research Center of Shenzhen, Shenzhen518114, People’s Republic of China
| | - Jianbin Chen
- Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization (Shenzhen), Shenzhen518114, People’s Republic of China
- Shenzhen Key Laboratory for Orchid Conservation and Utilization, The National Orchid Conservation Center of China and the Orchid Conservation & Research Center of Shenzhen, Shenzhen518114, People’s Republic of China
| | - Meina Wang
- Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization (Shenzhen), Shenzhen518114, People’s Republic of China
- Shenzhen Key Laboratory for Orchid Conservation and Utilization, The National Orchid Conservation Center of China and the Orchid Conservation & Research Center of Shenzhen, Shenzhen518114, People’s Republic of China
| | - Zhicai Wang
- Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization (Shenzhen), Shenzhen518114, People’s Republic of China
- Shenzhen Key Laboratory for Orchid Conservation and Utilization, The National Orchid Conservation Center of China and the Orchid Conservation & Research Center of Shenzhen, Shenzhen518114, People’s Republic of China
- Key Laboratory of Medical Reprogramming Technology, Shenzhen Second People’s Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen518035, People’s Republic of China
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37
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The Interplay between Oxidative Phosphorylation and Glycolysis as a Potential Marker of Bladder Cancer Progression. Int J Mol Sci 2020; 21:ijms21218107. [PMID: 33143087 PMCID: PMC7662640 DOI: 10.3390/ijms21218107] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 10/26/2020] [Accepted: 10/27/2020] [Indexed: 12/22/2022] Open
Abstract
Urothelial bladder cancer (UBC) is the most common tumor of the urinary system. One of the biggest problems related to this disease is the lack of markers that can anticipate the progression of the cancer. Genomics and transcriptomics have greatly improved the prediction of risk of recurrence and progression. Further progress can be expected including information from other omics sciences such as metabolomics. In this study, we used 1H-NMR to characterize the intake of nutrients and the excretion of products in the extracellular medium of three UBC cell lines, which are representatives of low-grade tumors, RT4, high-grade, 5637, and a cell line that shares genotypic features with both, RT112. We have observed that RT4 cells show an activated oxidative phosphorylation, 5637 cells depend mostly on glycolysis to grow, while RT112 cells show a mixed metabolic state. Our results reveal the relative importance of glycolysis and oxidative phosphorylation in the growth and maintenance of different UBC cell lines, and the relationship with their genomic signatures. They suggest that cell lines associated with a low risk of progression present an activated oxidative metabolic state, while those associated with a high risk present a non-oxidative state and high glycolytic activity.
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38
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Zhou M, Zhang Z, Bao S, Hou P, Yan C, Su J, Sun J. Computational recognition of lncRNA signature of tumor-infiltrating B lymphocytes with potential implications in prognosis and immunotherapy of bladder cancer. Brief Bioinform 2020; 22:5831478. [PMID: 32382761 DOI: 10.1093/bib/bbaa047] [Citation(s) in RCA: 105] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 03/06/2020] [Accepted: 03/09/2020] [Indexed: 12/12/2022] Open
Abstract
Long noncoding RNAs (lncRNAs) have been associated with cancer immunity regulation and the tumor microenvironment (TME). However, functions of lncRNAs of tumor-infiltrating B lymphocytes (TIL-Bs) and their clinical significance have not yet been fully elucidated. In the present study, a machine learning-based computational framework is presented for the identification of lncRNA signature of TIL-Bs (named 'TILBlncSig') through integrative analysis of immune, lncRNA and clinical profiles. The TILBlncSig comprising eight lncRNAs (TNRC6C-AS1, WASIR2, GUSBP11, OGFRP1, AC090515.2, PART1, MAFG-DT and LINC01184) was identified from the list of 141 B-cell-specific lncRNAs. The TILBlncSig was capable of distinguishing worse compared with improved survival outcomes across different independent patient datasets and was also independent of other clinical covariates. Functional characterization of TILBlncSig revealed it to be an indicator of infiltration of mononuclear immune cells (i.e. natural killer cells, B-cells and mast cells), and it was associated with hallmarks of cancer, as well as immunosuppressive phenotype. Furthermore, the TILBlncSig revealed predictive value for the survival outcome and immunotherapy response of patients with anti-programmed death-1 (PD-1) therapy and added significant predictive power to current immune checkpoint gene markers. The present study has highlighted the value of the TILBlncSig as an indicator of immune cell infiltration in the TME from a noncoding RNA perspective and strengthened the potential application of lncRNAs as predictive biomarkers of immunotherapy response, which warrants further investigation.
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Zuppone S, Assalini C, Minici C, Bertagnoli S, Branduardi P, Degano M, Fabbrini MS, Montorsi F, Salonia A, Vago R. The anti-tumoral potential of the saporin-based uPAR-targeting chimera ATF-SAP. Sci Rep 2020; 10:2521. [PMID: 32054892 PMCID: PMC7018701 DOI: 10.1038/s41598-020-59313-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 01/23/2020] [Indexed: 01/24/2023] Open
Abstract
The development of personalized therapies represents an urgent need owing to the high rate of cancer recurrence and systemic toxicity of conventional drugs. So far, targeted toxins have shown promising results as potential therapeutic compounds. Specifically, toxins conjugated to antibodies or fused to growth factors/enzymes have been largely demonstrated to selectively address and kill cancer cells. We investigated the anti-tumor potential of a chimeric recombinant fusion protein formed by the Ribosome Inactivating Protein saporin (SAP) and the amino-terminal fragment (ATF) of the urokinase-type plasminogen activator (uPA), whose receptor has been shown to be over-expressed on the surface of aggressive tumors. ATF-SAP was recombinantly produced by the P. pastoris yeast and its activity was assessed on a panel of bladder and breast cancer cell lines. ATF-SAP resulted to be highly active in vitro, as nano-molar concentrations were sufficient to impair viability on tumor cell lines. In contrast to untargeted toxins, the chimeric fusion protein displayed a significantly improved toxic effect in uPAR-expressing cells, demonstrating that the selective activity was due to the presence of the targeting moiety. Fibroblasts were not sensitive to ATF-SAP despite uPAR expression, indicating that cell-specific receptor-mediated internalization pathway(s) might be considered. The in vivo anti-tumor effect of the chimera was shown in a bladder cancer xenograft model. Current findings indicate ATF-SAP as a suitable anti-tumoral therapeutic option to cope with cancer aggressiveness, as a single treatment or in combination with traditional therapeutic approaches, to appropriately address the intra- and inter- tumor heterogeneity.
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Affiliation(s)
- S Zuppone
- Urological Research Institute, Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milano, Italy
| | - C Assalini
- Urological Research Institute, Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milano, Italy
| | - C Minici
- Biocrystallography Unit, Division of Immunology, Transplantation, and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milano, Italy
| | - S Bertagnoli
- Dipartimento di Biotecnologie e Bioscienze, Università degli Studi di Milano-Bicocca, Milan, Italy
| | - P Branduardi
- Dipartimento di Biotecnologie e Bioscienze, Università degli Studi di Milano-Bicocca, Milan, Italy
| | - M Degano
- Biocrystallography Unit, Division of Immunology, Transplantation, and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milano, Italy
| | - M S Fabbrini
- MIUR, Italian Ministry of Instruction, University and Research, 20090, Monza, Italy
| | - F Montorsi
- Urological Research Institute, Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milano, Italy.,Università Vita-Salute San Raffaele, Milano, Italy
| | - A Salonia
- Urological Research Institute, Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milano, Italy.,Università Vita-Salute San Raffaele, Milano, Italy
| | - R Vago
- Urological Research Institute, Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milano, Italy. .,Università Vita-Salute San Raffaele, Milano, Italy.
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40
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Evaluation of CERS2 Gene as a Potential Biomarker for Bladder Cancer. DISEASE MARKERS 2019; 2019:3875147. [PMID: 31636736 PMCID: PMC6766133 DOI: 10.1155/2019/3875147] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 02/11/2019] [Accepted: 02/26/2019] [Indexed: 12/31/2022]
Abstract
The ceramide synthase 2 (CERS2) gene has been linked to tumour recurrence and invasion in many different types of cancers including bladder cancer. In this study, the expression levels of CERS2 in bladder cancer cell lines were analysed using qRT-PCR and the protein expression in clinical bladder cancer histopathological specimens were examined via immunohistochemistry. The potential utility of CERS2 as a predictive biomarker of response to oncolytic virotherapy was assessed by correlating the CERS2 mRNA expression to IC50 values of cells treated with the Newcastle disease virus (NDV), AF2240 strain. This study demonstrates that CERS2 is differentially expressed in different types of bladder cancer cell lines and that the siRNA-mediated downregulation of the expression of CERS2 reduces the migratory potential of UMUC1 bladder cancer cells. However, there were no significant correlations between the expression levels of the CERS2 protein with bladder cancer grade/stage or between the IC50 values of cells treated with NDV and CERS2 expression. Although the utility of CERS2 expression may be limited, its potential as an antimigration cancer therapeutic should be further examined.
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41
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Gene Expression Analyses in Non Muscle Invasive Bladder Cancer Reveals a Role for Alternative Splicing and Tp53 Status. Sci Rep 2019; 9:10362. [PMID: 31316092 PMCID: PMC6637137 DOI: 10.1038/s41598-019-46652-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Accepted: 06/28/2019] [Indexed: 12/22/2022] Open
Abstract
Non-muscle invasive bladder cancer (NMIBC) represents a crucial problem for the national health care systems due to its high rates of recurrence and the consequent need of frequent follow-ups. Here, gene expression analyses in patients diagnosed as NMIBC were performed to determine those molecular pathways involved in tumor initiation, finding that both MYC and E2F are up regulated and helps to tumor initiation and progression. Our results also support an important involvement of alternative splicing events, modifying key pathways to favour bladder tumor evolution. Finally, since MDM2 showed differential exon usage, mutations in TP53 and its protein expression have been also studied in the same patients. Our data support that recurrence is epigenetically mediated and favoured by an increase protein expression of TP53, which appears more frequently mutated in advanced stages and grades, being associated to a worse prognosis. Therefore, TP53 mutational status could be used as a potential biomarker in the first stages of NMIBC to predict recurrence and prognosis.
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42
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Segovia C, San José-Enériz E, Munera-Maravilla E, Martínez-Fernández M, Garate L, Miranda E, Vilas-Zornoza A, Lodewijk I, Rubio C, Segrelles C, Valcárcel LV, Rabal O, Casares N, Bernardini A, Suarez-Cabrera C, López-Calderón FF, Fortes P, Casado JA, Dueñas M, Villacampa F, Lasarte JJ, Guerrero-Ramos F, de Velasco G, Oyarzabal J, Castellano D, Agirre X, Prósper F, Paramio JM. Inhibition of a G9a/DNMT network triggers immune-mediated bladder cancer regression. Nat Med 2019; 25:1073-1081. [PMID: 31270502 DOI: 10.1038/s41591-019-0499-y] [Citation(s) in RCA: 112] [Impact Index Per Article: 22.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Accepted: 05/24/2019] [Indexed: 12/14/2022]
Abstract
Bladder cancer is lethal in its advanced, muscle-invasive phase with very limited therapeutic advances1,2. Recent molecular characterization has defined new (epi)genetic drivers and potential targets for bladder cancer3,4. The immune checkpoint inhibitors have shown remarkable efficacy but only in a limited fraction of bladder cancer patients5-8. Here, we show that high G9a (EHMT2) expression is associated with poor clinical outcome in bladder cancer and that targeting G9a/DNMT methyltransferase activity with a novel inhibitor (CM-272) induces apoptosis and immunogenic cell death. Using an immunocompetent quadruple-knockout (PtenloxP/loxP; Trp53loxP/loxP; Rb1loxP/loxP; Rbl1-/-) transgenic mouse model of aggressive metastatic, muscle-invasive bladder cancer, we demonstrate that CM-272 + cisplatin treatment results in statistically significant regression of established tumors and metastases. The antitumor effect is significantly improved when CM-272 is combined with anti-programmed cell death ligand 1, even in the absence of cisplatin. These effects are associated with an endogenous antitumor immune response and immunogenic cell death with the conversion of a cold immune tumor into a hot tumor. Finally, increased G9a expression was associated with resistance to programmed cell death protein 1 inhibition in a cohort of patients with bladder cancer. In summary, these findings support new and promising opportunities for the treatment of bladder cancer using a combination of epigenetic inhibitors and immune checkpoint blockade.
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Affiliation(s)
- Cristina Segovia
- Molecular Oncology Unit CIEMAT, Madrid, Spain.,Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain.,Institute of Biomedical Research, University Hospital '12 de Octubre', Madrid, Spain
| | - Edurne San José-Enériz
- Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain.,Hemato-oncology Program, Centro de Investigación Médica Aplicada, IDISNA, Universidad de Navarra, Pamplona, Spain
| | - Ester Munera-Maravilla
- Molecular Oncology Unit CIEMAT, Madrid, Spain.,Institute of Biomedical Research, University Hospital '12 de Octubre', Madrid, Spain
| | - Mónica Martínez-Fernández
- Molecular Oncology Unit CIEMAT, Madrid, Spain.,Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain.,Institute of Biomedical Research, University Hospital '12 de Octubre', Madrid, Spain.,Mobile Genomes and Disease Laboratory CIMUS, Universidad de Santiago de Compostela, La Coruña, Spain
| | - Leire Garate
- Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain.,Hematology and Cell Therapy Department, Clínica Universidad de Navarra, Universidad de Navarra, Pamplona, Spain
| | - Estíbaliz Miranda
- Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain.,Hemato-oncology Program, Centro de Investigación Médica Aplicada, IDISNA, Universidad de Navarra, Pamplona, Spain
| | - Amaia Vilas-Zornoza
- Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain.,Hemato-oncology Program, Centro de Investigación Médica Aplicada, IDISNA, Universidad de Navarra, Pamplona, Spain
| | | | - Carolina Rubio
- Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain.,Institute of Biomedical Research, University Hospital '12 de Octubre', Madrid, Spain
| | - Carmen Segrelles
- Molecular Oncology Unit CIEMAT, Madrid, Spain.,Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain
| | - Luis Vitores Valcárcel
- Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain.,Hemato-oncology Program, Centro de Investigación Médica Aplicada, IDISNA, Universidad de Navarra, Pamplona, Spain.,TECNUN, University of Navarra, San Sebastián, Spain
| | - Obdulia Rabal
- Small Molecule Discovery Platform, Molecular Therapeutics Program, Centro de Investigación Médica Aplicada, Universidad de Navarra, Pamplona, Spain
| | - Noelia Casares
- Immunology and Immunotherapy Program, Centro de Investigación Médica Aplicada, IDISNA, Universidad de Navarra, Pamplona, Spain
| | - Alejandra Bernardini
- Molecular Oncology Unit CIEMAT, Madrid, Spain.,Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain
| | | | - Fernando F López-Calderón
- Molecular Oncology Unit CIEMAT, Madrid, Spain.,Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain.,Institute of Biomedical Research, University Hospital '12 de Octubre', Madrid, Spain
| | - Puri Fortes
- Gene Therapy and Regulation of Gene Expression Program, Centro de Investigación Médica Aplicada, IDISNA, Universidad de Navarra, Pamplona, Spain
| | - José A Casado
- Division of Hematopoietic Innovative Therapies (CIEMAT), Centro de Investigación Biomédica en Red de Enfermedades Raras and Advanced Therapies Unit, Instituto de Investigación Sanitaria Fundación Jiménez Díaz, Madrid, Spain
| | - Marta Dueñas
- Molecular Oncology Unit CIEMAT, Madrid, Spain.,Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain.,Institute of Biomedical Research, University Hospital '12 de Octubre', Madrid, Spain
| | - Felipe Villacampa
- Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain.,Institute of Biomedical Research, University Hospital '12 de Octubre', Madrid, Spain
| | - Juan José Lasarte
- Immunology and Immunotherapy Program, Centro de Investigación Médica Aplicada, IDISNA, Universidad de Navarra, Pamplona, Spain
| | - Félix Guerrero-Ramos
- Institute of Biomedical Research, University Hospital '12 de Octubre', Madrid, Spain.,Urology Department, University Hospital '12 de Octubre', Madrid, Spain
| | - Guillermo de Velasco
- Institute of Biomedical Research, University Hospital '12 de Octubre', Madrid, Spain.,Medical Oncology Department, University Hospital '12 de Octubre', Madrid, Spain
| | - Julen Oyarzabal
- Small Molecule Discovery Platform, Molecular Therapeutics Program, Centro de Investigación Médica Aplicada, Universidad de Navarra, Pamplona, Spain
| | - Daniel Castellano
- Molecular Oncology Unit CIEMAT, Madrid, Spain.,Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain.,Medical Oncology Department, University Hospital '12 de Octubre', Madrid, Spain
| | - Xabier Agirre
- Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain. .,Hemato-oncology Program, Centro de Investigación Médica Aplicada, IDISNA, Universidad de Navarra, Pamplona, Spain.
| | - Felipe Prósper
- Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain. .,Hemato-oncology Program, Centro de Investigación Médica Aplicada, IDISNA, Universidad de Navarra, Pamplona, Spain. .,Hematology and Cell Therapy Department, Clínica Universidad de Navarra, Universidad de Navarra, Pamplona, Spain.
| | - Jesús M Paramio
- Molecular Oncology Unit CIEMAT, Madrid, Spain. .,Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain. .,Institute of Biomedical Research, University Hospital '12 de Octubre', Madrid, Spain.
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Banerjee S, Southgate J. Bladder organoids: a step towards personalised cancer therapy? Transl Androl Urol 2019; 8:S300-S302. [PMID: 31392152 DOI: 10.21037/tau.2019.06.10] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Affiliation(s)
- Sreemoti Banerjee
- Jack Birch Unit for Molecular Carcinogenesis, Department of Biology, York Biomedical Research Institute, University of York, York, UK
| | - Jennifer Southgate
- Jack Birch Unit for Molecular Carcinogenesis, Department of Biology, York Biomedical Research Institute, University of York, York, UK
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44
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Kiss B, van den Berg NS, Ertsey R, McKenna K, Mach KE, Zhang CA, Volkmer JP, Weissman IL, Rosenthal EL, Liao JC. CD47-Targeted Near-Infrared Photoimmunotherapy for Human Bladder Cancer. Clin Cancer Res 2019; 25:3561-3571. [PMID: 30890547 PMCID: PMC7039531 DOI: 10.1158/1078-0432.ccr-18-3267] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 01/09/2019] [Accepted: 03/05/2019] [Indexed: 12/13/2022]
Abstract
PURPOSE Near-infrared photoimmunotherapy (NIR-PIT) is a localized molecular cancer therapy combining a photosensitizer-conjugated mAb and light energy. CD47 is an innate immune checkpoint widely expressed on bladder cancer cells, but absent from luminal normal urothelium. Targeting CD47 for NIR-PIT has the potential to selectively induce cancer cell death and minimize damage to normal urothelium. EXPERIMENTAL DESIGN The cytotoxic effect of NIR-PIT with anti-CD47-IR700 was investigated in human bladder cancer cell lines and primary human bladder cancer cells derived from fresh surgical samples. Phagocytosis assays were performed to evaluate macrophage activity after NIR-PIT. Anti-CD47-IR700 was administered to murine xenograft tumor models of human bladder cancer for in vivo molecular imaging and NIR-PIT. RESULTS Cytotoxicity in cell lines and primary bladder cancer cells significantly increased in a light-dose-dependent manner with CD47-targeted NIR-PIT. Phagocytosis of cancer cells significantly increased with NIR-PIT compared with antibody alone (P = 0.0002). In vivo fluorescence intensity of anti-CD47-IR700 in tumors reached a peak 24-hour postinjection and was detectable for at least 14 days. After a single round of CD47-targeted NIR-PIT, treated animals showed significantly slower tumor growth compared with controls (P < 0.0001). Repeated CD47-targeted NIR-PIT treatment further slowed tumor growth (P = 0.0104) and improved survival compared with controls. CONCLUSIONS CD47-targeted NIR-PIT increased direct cancer cell death and phagocytosis resulting in inhibited tumor growth and improved survival in a murine xenograft model of human bladder cancer.
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Affiliation(s)
- Bernhard Kiss
- Department of Urology, Stanford University School of Medicine, Stanford, California
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, California
| | - Nynke S van den Berg
- Department of Otolaryngology-Head and Neck Surgery, Stanford University School of Medicine, Stanford, California
| | - Robert Ertsey
- Department of Otolaryngology-Head and Neck Surgery, Stanford University School of Medicine, Stanford, California
| | | | - Kathleen E Mach
- Department of Urology, Stanford University School of Medicine, Stanford, California
- Veterans Affairs Palo Alto Health Care System, Palo Alto, California
| | - Chiyuan Amy Zhang
- Department of Urology, Stanford University School of Medicine, Stanford, California
| | | | - Irving L Weissman
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, California
| | - Eben L Rosenthal
- Department of Otolaryngology-Head and Neck Surgery, Stanford University School of Medicine, Stanford, California
| | - Joseph C Liao
- Department of Urology, Stanford University School of Medicine, Stanford, California.
- Veterans Affairs Palo Alto Health Care System, Palo Alto, California
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Man X, Piao C, Lin X, Kong C, Cui X, Jiang Y. USP13 functions as a tumor suppressor by blocking the NF-kB-mediated PTEN downregulation in human bladder cancer. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2019; 38:259. [PMID: 31200745 PMCID: PMC6570860 DOI: 10.1186/s13046-019-1262-4] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 06/03/2019] [Indexed: 01/16/2023]
Abstract
Background USP13 has been reported to be involved in the tumorigenesis of human cancers, however, its functional role and regulatory mechanisms in bladder cancer (BC) remain unclear. Methods q-RT-PCR was performed to examine the expression of miR-130b-3p, miR-301b-3p and USP13 in BC tissue samples. Western blot, q-RT-PCR, bioinformatic analysis and dual-luciferase reporter assay were conducted to identify the regulatory function of miR-130b-3p/301b-3p for USP13. Co-immunoprecipitation assay was performed to assess the interaction between USP13 and PTEN protein. Cell-counting-kit 8, colony formation assay and transwell assay were performed to value the proliferative, migrative and invasive capacities of BC cells in vitro. Mouse xenograft model of BC cells was established to verify the function of USP13 in vivo. Immunohistochemistry was performed to identify the protein expression of USP13, NF-kB p65 or PTEN in clinical/xenograft tumor tissues. Results Our present study reveals that USP13 functions as a tumor suppressor by interacting with PTEN protein and increasing its expression in bladder cancer. We found that loss of USP13 led to the downregulation of PTEN and promoted proliferative, invasive and migrative capacities of bladder cancer cells. Furthermore, we discovered that USP13 was a common target of miR-130b-3p and miR-301b-3p, and the miR-130b/301b cluster, which could be transcriptionally upregulated by NF-kB. Our data demonstrated that NF-kB activation decreased expression level of USP13 and PTEN, and promoted the tumorigenesis phenotypes of BC cells. In addition, reintroduction of USP13 partially rescued PTEN expression as well as the oncogenesis trend caused by NF-kB. Conclusion We reported a potential regulatory loop that the NF-kB-induced miR-130b/301b overexpression decreased USP13 expression and subsequently resulted in the downregulation of PTEN protein and promoted tumorigenesis of bladder cancer. Moreover, NF-kB-mediated PTEN downregulation is very likely to facilitate the full activation of NF-kB. Electronic supplementary material The online version of this article (10.1186/s13046-019-1262-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Xiaojun Man
- Department of Urology, First hospital of China Medical University, No.155 Nanjing north Road, Shenyang, 110001, Liaoning, China
| | - Chiyuan Piao
- Department of Urology, First hospital of China Medical University, No.155 Nanjing north Road, Shenyang, 110001, Liaoning, China
| | - Xuyong Lin
- Department of Pathology, The First Affiliated Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, 110001, China
| | - Chuize Kong
- Department of Urology, First hospital of China Medical University, No.155 Nanjing north Road, Shenyang, 110001, Liaoning, China
| | - Xiaolu Cui
- Department of Urology, First hospital of China Medical University, No.155 Nanjing north Road, Shenyang, 110001, Liaoning, China.
| | - Yuanjun Jiang
- Department of Urology, First hospital of China Medical University, No.155 Nanjing north Road, Shenyang, 110001, Liaoning, China.
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Gondkar K, Patel K, Krishnappa S, Patil A, Nair B, Sundaram G, Zea T, Kumar P. E74 like ETS transcription factor 3 (ELF3) is a negative regulator of epithelial- mesenchymal transition in bladder carcinoma. Cancer Biomark 2019; 25:223-232. [DOI: 10.3233/cbm-190013] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Kirti Gondkar
- Institute of Bioinformatics, International Technology Park, Bangalore, India
- Amrita School of Biotechnology, Amrita Vishwa Vidyapeetham, Kollam, India
| | - Krishna Patel
- Institute of Bioinformatics, International Technology Park, Bangalore, India
- Amrita School of Biotechnology, Amrita Vishwa Vidyapeetham, Kollam, India
| | - Shobha Krishnappa
- Department of Surgical Oncology, Kidwai Memorial Institute of Oncology, Bangalore, India
| | - Akkamahadevi Patil
- Department of Pathology, Kidwai Memorial Institute of Oncology, Bangalore, India
| | - Bipin Nair
- Amrita School of Biotechnology, Amrita Vishwa Vidyapeetham, Kollam, India
| | | | - Tan Tuan Zea
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
| | - Prashant Kumar
- Institute of Bioinformatics, International Technology Park, Bangalore, India
- Manipal Academy of Higher Education (MAHE), Manipal, Karnataka, India
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Ruan JL, Hsu JW, Browning RJ, Stride E, Yildiz YO, Vojnovic B, Kiltie AE. Mouse Models of Muscle-invasive Bladder Cancer: Key Considerations for Clinical Translation Based on Molecular Subtypes. Eur Urol Oncol 2019; 2:239-247. [PMID: 31200837 DOI: 10.1016/j.euo.2018.08.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 06/22/2018] [Accepted: 08/08/2018] [Indexed: 02/07/2023]
Abstract
CONTEXT In the past few years, research has suggested that molecular subtypes in muscle-invasive bladder cancer (MIBC) may be exploited to accelerate developments in clinical disease management and novel therapeutics. OBJECTIVE To review MIBC mouse models from a molecular subtype perspective, their advantages and limitations, and their applications in translational medicine, based on a PubMed search for publications from January 2000 to February 2018. EVIDENCE ACQUISITION Publications relevant to MIBC mouse models and their molecular subtypes were identified in a literature review. EVIDENCE SYNTHESIS We classified the models according to the technique used for their establishment. For xenotransplant and allograft models, the inoculated cells and inoculated locations are the major determinants of molecular subtypes. Although the cell lines used in xenotransplant models can cover most of the basal-squamous and luminal subtypes, allograft models offer a more realistic environment in which to reconstruct aspects of the associated stromal and immune features. Autochthonous models, using genetic and/or chemical stimuli to induce disease progression, can also generate models with basal-squamous and luminal subtypes, but further molecular characterisation is needed since other mutational variants may be introduced in these models. CONCLUSIONS We identified preclinical MIBC models with different subtype specifications and assessed their promise and current limitations. These models are versatile tools that can reproduce the molecular complexity of MIBC and support novel therapeutic development. PATIENT SUMMARY Understanding which models of muscle-invasive bladder cancer most accurately represent the clinical situation is important for the development of novel drugs and disease management strategies. We review the different models currently available and their relevance to different clinical subtypes.
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Affiliation(s)
- Jia-Ling Ruan
- Department of Oncology, CRUK/MRC Oxford Institute for Radiation Oncology, University of Oxford, Oxford, UK
| | - Jong-Wei Hsu
- Department of Oncology, CRUK/MRC Oxford Institute for Radiation Oncology, University of Oxford, Oxford, UK
| | | | - Eleanor Stride
- Institute of Biomedical Engineering, University of Oxford, Oxford, UK
| | - Yesna O Yildiz
- Department of Oncology, CRUK/MRC Oxford Institute for Radiation Oncology, University of Oxford, Oxford, UK
| | - Borivoj Vojnovic
- Department of Oncology, CRUK/MRC Oxford Institute for Radiation Oncology, University of Oxford, Oxford, UK
| | - Anne E Kiltie
- Department of Oncology, CRUK/MRC Oxford Institute for Radiation Oncology, University of Oxford, Oxford, UK.
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Mouse and human urothelial cancer organoids: A tool for bladder cancer research. Proc Natl Acad Sci U S A 2019; 116:4567-4574. [PMID: 30787188 DOI: 10.1073/pnas.1803595116] [Citation(s) in RCA: 147] [Impact Index Per Article: 29.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Bladder cancer is a common malignancy that has a relatively poor outcome. Lack of culture models for the bladder epithelium (urothelium) hampers the development of new therapeutics. Here we present a long-term culture system of the normal mouse urothelium and an efficient culture system of human bladder cancer cells. These so-called bladder (cancer) organoids consist of 3D structures of epithelial cells that recapitulate many aspects of the urothelium. Mouse bladder organoids can be cultured efficiently and genetically manipulated with ease, which was exemplified by creating genetic knockouts in the tumor suppressors Trp53 and Stag2. Human bladder cancer organoids can be derived efficiently from both resected tumors and biopsies and cultured and passaged for prolonged periods. We used this feature of human bladder organoids to create a living biobank consisting of bladder cancer organoids derived from 53 patients. Resulting organoids were characterized histologically and functionally. Organoid lines contained both basal and luminal bladder cancer subtypes based on immunohistochemistry and gene expression analysis. Common bladder cancer mutations like TP53 and FGFR3 were found in organoids in the biobank. Finally, we performed limited drug testing on organoids in the bladder cancer biobank.
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49
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TYRO3 as a molecular target for growth inhibition and apoptosis induction in bladder cancer. Br J Cancer 2019; 120:555-564. [PMID: 30765874 PMCID: PMC6461973 DOI: 10.1038/s41416-019-0397-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 12/18/2018] [Accepted: 01/22/2019] [Indexed: 12/12/2022] Open
Abstract
Background Muscle-invasive bladder cancer (MIBC) is an aggressive neoplasm with poor prognosis, lacking effective therapeutic targets. Oncogenic dependency on members of the TAM tyrosine kinase receptor family (TYRO3, AXL, MERTK) has been reported in several cancer types, but their role in bladder cancer has never been explored. Methods TAM receptor expression was evaluated in two series of human bladder tumours by gene expression (TCGA and CIT series), immunohistochemistry and western blotting analyses (CIT series). The role of the different TAM receptors was assessed by loss-of-function experiments and pharmaceutical inhibition in vitro and in vivo. Results We reported a significantly higher expression of TYRO3, but not AXL or MERTK, in both non-MIBCs and MIBCs, compared to normal urothelium. Loss-of-function experiments identified a TYRO3-dependency of bladder carcinoma-derived cells both in vitro and in a mouse xenograft model, whereas AXL and MERTK depletion had only a minor impact on cell viability. Accordingly, TYRO3-dependent bladder tumour cells were sensitive to pharmacological treatment with two pan-TAM inhibitors. Finally, growth inhibition upon TYRO3 depletion relies on cell cycle inhibition and apoptosis associated with induction of tumour-suppressive signals. Conclusions Our results provide a preclinical proof of concept for TYRO3 as a potential therapeutic target in bladder cancer.
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50
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Mucaki EJ, Zhao JZL, Lizotte DJ, Rogan PK. Predicting responses to platin chemotherapy agents with biochemically-inspired machine learning. Signal Transduct Target Ther 2019. [PMID: 30652029 DOI: 10.1038/s41392-018-0034-5]+[] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
The selection of effective genes that accurately predict chemotherapy responses might improve cancer outcomes. We compare optimized gene signatures for cisplatin, carboplatin, and oxaliplatin responses in the same cell lines and validate each signature using data from patients with cancer. Supervised support vector machine learning is used to derive gene sets whose expression is related to the cell line GI50 values by backwards feature selection with cross-validation. Specific genes and functional pathways distinguishing sensitive from resistant cell lines are identified by contrasting signatures obtained at extreme and median GI50 thresholds. Ensembles of gene signatures at different thresholds are combined to reduce the dependence on specific GI50 values for predicting drug responses. The most accurate gene signatures for each platin are: cisplatin: BARD1, BCL2, BCL2L1, CDKN2C, FAAP24, FEN1, MAP3K1, MAPK13, MAPK3, NFKB1, NFKB2, SLC22A5, SLC31A2, TLR4, and TWIST1; carboplatin: AKT1, EIF3K, ERCC1, GNGT1, GSR, MTHFR, NEDD4L, NLRP1, NRAS, RAF1, SGK1, TIGD1, TP53, VEGFB, and VEGFC; and oxaliplatin: BRAF, FCGR2A, IGF1, MSH2, NAGK, NFE2L2, NQO1, PANK3, SLC47A1, SLCO1B1, and UGT1A1. Data from The Cancer Genome Atlas (TCGA) patients with bladder, ovarian, and colorectal cancer were used to test the cisplatin, carboplatin, and oxaliplatin signatures, resulting in 71.0%, 60.2%, and 54.5% accuracies in predicting disease recurrence and 59%, 61%, and 72% accuracies in predicting remission, respectively. One cisplatin signature predicted 100% of recurrence in non-smoking patients with bladder cancer (57% disease-free; N = 19), and 79% recurrence in smokers (62% disease-free; N = 35). This approach should be adaptable to other studies of chemotherapy responses, regardless of the drug or cancer types.
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Affiliation(s)
- Eliseos J Mucaki
- 1Department of Biochemistry, Schulich School of Medicine and Dentistry, Western University, London, ON N6A 2C1 Canada
| | - Jonathan Z L Zhao
- 1Department of Biochemistry, Schulich School of Medicine and Dentistry, Western University, London, ON N6A 2C1 Canada.,2Department of Computer Science, Faculty of Science, Western University, London, ON N6A 2C1 Canada
| | - Daniel J Lizotte
- 2Department of Computer Science, Faculty of Science, Western University, London, ON N6A 2C1 Canada.,3Department of Epidemiology & Biostatistics, Schulich School of Medicine and Dentistry, Western University, London, ON N6A 2C1 Canada
| | - Peter K Rogan
- 1Department of Biochemistry, Schulich School of Medicine and Dentistry, Western University, London, ON N6A 2C1 Canada.,2Department of Computer Science, Faculty of Science, Western University, London, ON N6A 2C1 Canada.,3Department of Epidemiology & Biostatistics, Schulich School of Medicine and Dentistry, Western University, London, ON N6A 2C1 Canada.,Cytognomix, Inc., London, ON N5X 3X5 Canada.,5Department of Oncology, Schulich School of Medicine and Dentistry, Western University, London, ON N6A 2C1 Canada
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