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Huang J, Michaud E, Shinde-Jadhav S, Fehric S, Marcq G, Mansure JJ, Cury F, Brimo F, Piccirillo CA, Kassouf W. Effects of combined radiotherapy with immune checkpoint blockade on immunological memory in luminal-like subtype murine bladder cancer model. Cancer Biol Ther 2024; 25:2365452. [PMID: 38860746 PMCID: PMC11174127 DOI: 10.1080/15384047.2024.2365452] [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: 03/17/2024] [Accepted: 06/04/2024] [Indexed: 06/12/2024] Open
Abstract
MIBC is a highly lethal disease, and the patient survival rate has not improved significantly over the last decades. UPPL is a cell line that can be used to recapitulate the luminal-like molecular subtype of bladder cancer and to discover effective treatments to be translated in patients. Here, we investigate the effects of combinational treatments of radiotherapy and immunotherapy in this recently characterized UPPL tumor-bearing mice. We first characterized the baseline tumor microenvironment and the effect of radiation, anti-PD-L1, and combinatorial treatments. Then, the mice were re-challenged with a second tumor (rechallenged tumor) in the contralateral flank of the first tumor to assess the immunological memory. Radiation slowed down the tumor growth. All treatments also decreased the neutrophil population and increased the T cell population. Anti-PD-L1 therapy was not able to synergize with radiation to further delay tumor growth. Furthermore, none of the treatments were able to generate immune memory. The treatments were not sufficient to induce a significant and lasting pool of memory cells. We show here that anti-PD-L1 treatment added to radiotherapy was not enough to achieve T cell-mediated memory in UPPL tumors. Stronger T cell activation signals may be required to enhance radiation efficacy in luminal-like bladder cancer.
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Affiliation(s)
- JiaMin Huang
- Cancer Research Program, Research Institute of McGill University Health Center, Montréal, QC, Canada
| | - Eva Michaud
- Cancer Research Program, Research Institute of McGill University Health Center, Montréal, QC, Canada
| | - Surashri Shinde-Jadhav
- Cancer Research Program, Research Institute of McGill University Health Center, Montréal, QC, Canada
| | - Sabina Fehric
- Cancer Research Program, Research Institute of McGill University Health Center, Montréal, QC, Canada
| | - Gautier Marcq
- Division of Urology, Department of Surgery, McGill University Health Center, Montréal, QC, Canada
| | - Jose Joao Mansure
- Cancer Research Program, Research Institute of McGill University Health Center, Montréal, QC, Canada
| | - Fabio Cury
- Department of Radiation Oncology, McGill University Health Center, Montréal, QC, Canada
| | - Fadi Brimo
- Department of Pathology, McGill University Health Center, Montréal, QC, Canada
| | - Ciriaco A. Piccirillo
- Department of Microbiology and Immunology, McGill University, Montréal, QC, Canada
- Infectious Diseases and Immunology in Global Health Program, The Research Institute of the McGill University Health Centre (RI-MUHC), Montréal, QC, Canada
- Centre of Excellence in Translational Immunology, Montréal, QC, Canada
| | - Wassim Kassouf
- Cancer Research Program, Research Institute of McGill University Health Center, Montréal, QC, Canada
- Division of Urology, Department of Surgery, McGill University Health Center, Montréal, QC, Canada
- Centre of Excellence in Translational Immunology, Montréal, QC, Canada
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Meneceur S, De Vos CE, Petzsch P, Köhrer K, Niegisch G, Hoffmann MJ. New synergistic combination therapy approaches with HDAC inhibitor quisinostat, cisplatin or PARP inhibitor talazoparib for urothelial carcinoma. J Cell Mol Med 2024; 28:e18342. [PMID: 38693852 PMCID: PMC11063726 DOI: 10.1111/jcmm.18342] [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: 06/09/2023] [Revised: 02/13/2024] [Accepted: 04/05/2024] [Indexed: 05/03/2024] Open
Abstract
Urothelial carcinoma (UC) urgently requires new therapeutic options. Histone deacetylases (HDAC) are frequently dysregulated in UC and constitute interesting targets for the development of alternative therapy options. Thus, we investigated the effect of the second generation HDAC inhibitor (HDACi) quisinostat in five UC cell lines (UCC) and two normal control cell lines in comparison to romidepsin, a well characterized HDACi which was previously shown to induce cell death and cell cycle arrest. In UCC, quisinostat led to cell cycle alterations, cell death induction and DNA damage, but was well tolerated by normal cells. Combinations of quisinostat with cisplatin or the PARP inhibitor talazoparib led to decrease in cell viability and significant synergistic effect in five UCCs and platinum-resistant sublines allowing dose reduction. Further analyses in UM-UC-3 and J82 at low dose ratio revealed that the mechanisms included cell cycle disturbance, apoptosis induction and DNA damage. These combinations appeared to be well tolerated in normal cells. In conclusion, our results suggest new promising combination regimes for treatment of UC, also in the cisplatin-resistant setting.
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Affiliation(s)
- Sarah Meneceur
- Department of Urology, Medical Faculty and University Hospital DüsseldorfHeinrich Heine University DüsseldorfDüsseldorfGermany
- Center for Integrated Oncology (CIO) DüsseldorfCIO Aachen Bonn Köln DüsseldorfDüsseldorfGermany
| | - Caroline E. De Vos
- Department of Urology, Medical Faculty and University Hospital DüsseldorfHeinrich Heine University DüsseldorfDüsseldorfGermany
- Center for Integrated Oncology (CIO) DüsseldorfCIO Aachen Bonn Köln DüsseldorfDüsseldorfGermany
| | - Patrick Petzsch
- Center for Integrated Oncology (CIO) DüsseldorfCIO Aachen Bonn Köln DüsseldorfDüsseldorfGermany
- Genomics and Transcriptomics Laboratory (GTL), Biological and Medical Research Center (BMFZ)Medical Faculty and University Hospital Düsseldorf, Heinrich Heine University DüsseldorfDüsseldorfGermany
| | - Karl Köhrer
- Center for Integrated Oncology (CIO) DüsseldorfCIO Aachen Bonn Köln DüsseldorfDüsseldorfGermany
- Genomics and Transcriptomics Laboratory (GTL), Biological and Medical Research Center (BMFZ)Medical Faculty and University Hospital Düsseldorf, Heinrich Heine University DüsseldorfDüsseldorfGermany
| | - Günter Niegisch
- Department of Urology, Medical Faculty and University Hospital DüsseldorfHeinrich Heine University DüsseldorfDüsseldorfGermany
- Center for Integrated Oncology (CIO) DüsseldorfCIO Aachen Bonn Köln DüsseldorfDüsseldorfGermany
| | - Michèle J. Hoffmann
- Department of Urology, Medical Faculty and University Hospital DüsseldorfHeinrich Heine University DüsseldorfDüsseldorfGermany
- Center for Integrated Oncology (CIO) DüsseldorfCIO Aachen Bonn Köln DüsseldorfDüsseldorfGermany
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Totonji S, Ramos-Triguero A, Willmann D, Sum M, Urban S, Bauer H, Rieder A, Wang S, Greschik H, Metzger E, Schüle R. Lysine Methyltransferase 9 (KMT9) Is an Actionable Target in Muscle-Invasive Bladder Cancer. Cancers (Basel) 2024; 16:1532. [PMID: 38672614 PMCID: PMC11049522 DOI: 10.3390/cancers16081532] [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: 02/13/2024] [Revised: 04/10/2024] [Accepted: 04/11/2024] [Indexed: 04/28/2024] Open
Abstract
Novel treatment modalities are imperative for the challenging management of muscle-invasive and metastatic BC to improve patient survival rates. The recently identified KMT9, an obligate heterodimer composed of KMT9α and KMT9β, regulates the growth of various types of tumors such as prostate, lung, and colon cancer. While the overexpression of KMT9α was previously observed to be associated with aggressive basal-like MIBC in an analysis of patients' tissue samples, a potential functional role of KMT9 in this type of cancer has not been investigated to date. In this study, we show that KMT9 regulates proliferation, migration, and invasion of various MIBC cell lines with different genetic mutations. KMT9α depletion results in the differential expression of genes regulating the cell cycle, cell adhesion, and migration. Differentially expressed genes include oncogenes such as EGFR and AKT1 as well as mediators of cell adhesion or migration such as DAG1 and ITGA6. Reduced cell proliferation upon KMT9α depletion is also observed in Pten/Trp53 knockout bladder tumor organoids, which cannot be rescued with an enzymatically inactive KMT9α mutant. In accordance with the idea that the catalytic activity of KMT9 is required for the control of cellular processes in MIBC, a recently developed small-molecule inhibitor of KMT9 (KMI169) also impairs cancer cell proliferation. Since KMT9α depletion also restricts the growth of xenografts in mice, our data suggest that KMT9 is an actionable novel therapeutic target for the treatment of MIBC.
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Affiliation(s)
- Sainab Totonji
- Klinik für Urologie und Zentrale Klinische Forschung, Klinikum der Albert-Ludwigs-Universität Freiburg, 79106 Freiburg, Germany; (S.T.)
| | - Anna Ramos-Triguero
- Klinik für Urologie und Zentrale Klinische Forschung, Klinikum der Albert-Ludwigs-Universität Freiburg, 79106 Freiburg, Germany; (S.T.)
| | - Dominica Willmann
- Klinik für Urologie und Zentrale Klinische Forschung, Klinikum der Albert-Ludwigs-Universität Freiburg, 79106 Freiburg, Germany; (S.T.)
| | - Manuela Sum
- Klinik für Urologie und Zentrale Klinische Forschung, Klinikum der Albert-Ludwigs-Universität Freiburg, 79106 Freiburg, Germany; (S.T.)
| | - Sylvia Urban
- Klinik für Urologie und Zentrale Klinische Forschung, Klinikum der Albert-Ludwigs-Universität Freiburg, 79106 Freiburg, Germany; (S.T.)
| | - Helena Bauer
- Klinik für Urologie und Zentrale Klinische Forschung, Klinikum der Albert-Ludwigs-Universität Freiburg, 79106 Freiburg, Germany; (S.T.)
| | - Astrid Rieder
- Klinik für Urologie und Zentrale Klinische Forschung, Klinikum der Albert-Ludwigs-Universität Freiburg, 79106 Freiburg, Germany; (S.T.)
| | - Sheng Wang
- Klinik für Urologie und Zentrale Klinische Forschung, Klinikum der Albert-Ludwigs-Universität Freiburg, 79106 Freiburg, Germany; (S.T.)
| | - Holger Greschik
- Klinik für Urologie und Zentrale Klinische Forschung, Klinikum der Albert-Ludwigs-Universität Freiburg, 79106 Freiburg, Germany; (S.T.)
| | - Eric Metzger
- Klinik für Urologie und Zentrale Klinische Forschung, Klinikum der Albert-Ludwigs-Universität Freiburg, 79106 Freiburg, Germany; (S.T.)
- Deutsches Konsortium für Translationale Krebsforschung, Standort Freiburg, 79106 Freiburg, Germany
| | - Roland Schüle
- Klinik für Urologie und Zentrale Klinische Forschung, Klinikum der Albert-Ludwigs-Universität Freiburg, 79106 Freiburg, Germany; (S.T.)
- Deutsches Konsortium für Translationale Krebsforschung, Standort Freiburg, 79106 Freiburg, Germany
- CIBSS Centre of Biological Signalling Studies, University of Freiburg, 79104 Freiburg, Germany
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4
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Fukushima H, Takao S, Furusawa A, Valera Romero V, Gurram S, Kato T, Okuyama S, Kano M, Choyke PL, Kobayashi H. Near-infrared photoimmunotherapy targeting Nectin-4 in a preclinical model of bladder cancer. Cancer Lett 2024; 585:216606. [PMID: 38272345 PMCID: PMC10923129 DOI: 10.1016/j.canlet.2023.216606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 12/05/2023] [Accepted: 12/16/2023] [Indexed: 01/27/2024]
Abstract
Enfortumab vedotin (EV), an antibody-drug conjugate (ADC) that targets Nectin-4, has shown promising results in the treatment of bladder cancer. However, multiple resistance mechanisms that are unique to ADCs limit the therapeutic potential of EV in clinical practice. Here, we developed and tested a Nectin-4-targeted near-infrared photoimmunotherapy (NIR-PIT) that utilizes the same target as EV but utilizes a distinct cytotoxic and immunotherapeutic pathway in preclinical models of bladder cancer. NIR-PIT was effective in vitro against luminal subtype human bladder cancer cell lines (RT4, RT112, MGH-U3, SW780, and HT1376-luc), but not against other subtype cell lines (UMUC3 and T24). In vivo, the tumor site was clearly visible by Nectin-4-IR700 fluorescence 24 h after its administration, suggesting the potential as an intraoperative imaging modality. NIR-PIT significantly suppressed tumor growth and prolonged survival in SW780 and RT112 xenograft models. Weekly treatment with NIR-PIT further improved tumor control in RT112 xenograft models. The effectiveness of NIR-PIT was also confirmed in HT1376-luc orthotopic xenograft models. Histological analysis verified that NIR-PIT induced a significant pathologic response. Taken together, Nectin-4-targeted NIR-PIT shows promise as a treatment for luminal subtype bladder cancers.
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Affiliation(s)
- Hiroshi Fukushima
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, 20892, USA
| | - Seiichiro Takao
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, 20892, USA
| | - Aki Furusawa
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, 20892, USA
| | - Vladimir Valera Romero
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, 20892, USA
| | - Sandeep Gurram
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, 20892, USA
| | - Takuya Kato
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, 20892, USA
| | - Shuhei Okuyama
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, 20892, USA
| | - Makoto Kano
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, 20892, USA
| | - Peter L Choyke
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, 20892, USA
| | - Hisataka Kobayashi
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, 20892, USA.
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5
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Du W, Tu S, Zhang W, Zhang Y, Liu W, Xiong K, Zhou F, Li N, Zhang R, Yu J, Li M, Xiang W, Qian K, Wang G, Xiao Y, Wang X, Ju L. UPP1 enhances bladder cancer progression and gemcitabine resistance through AKT. Int J Biol Sci 2024; 20:1389-1409. [PMID: 38385072 PMCID: PMC10878145 DOI: 10.7150/ijbs.83774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 01/19/2024] [Indexed: 02/23/2024] Open
Abstract
UPP1, a crucial pyrimidine metabolism-related enzyme, catalyzes the reversible phosphorylation of uridine to uracil and ribose-1-phosphate. However, the effects of UPP1 in bladder cancer (BLCA) have not been elucidated. AKT, which is activated mainly through dual phosphorylation (Thr308 and Ser473), promotes tumorigenesis by phosphorylating downstream substrates. This study demonstrated that UPP1 promotes BLCA cell proliferation, migration, invasion, and gemcitabine resistance by activating the AKT signaling pathway in vitro and in vivo. Additionally, UPP1 promoted AKT activation by facilitating the binding of AKT to PDK1 and PDK2 and the recruitment of phosphatidylinositol 3,4,5-triphosphate to AKT. Moreover, the beneficial effects of UPP1 on BLCA tumorigenesis were mitigated upon UPP1 mutation with Arg94 or MK2206 treatment (AKT-specific inhibitor). AKT overexpression or SC79 (AKT-specific activator) treatment restored tumor malignancy and drug resistance. Thus, this study revealed that UPP1 is a crucial oncogene and a potential therapeutic target for BLCA and that UPP1 activates the AKT signaling pathway and enhances tumorigenesis and drug resistance to gemcitabine.
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Affiliation(s)
- Wenzhi Du
- Hubei Key Laboratory of Urological Diseases, Laboratory of Precision Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
- Department of Urology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Medicine and Health Key Laboratory of Organ Transplantation and Nephrosis, Shandong Institute of Nephrology, Jinan, Shandong, China
| | - Sheng Tu
- Hubei Key Laboratory of Urological Diseases, Laboratory of Precision Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Wenxiu Zhang
- Department of Pediatrics, Maternal and Child Health Care Hospital of Shandong Province, Jinan, China
| | - Yi Zhang
- Euler Technology, ZGC Life Sciences Park, Beijing, China
- Center for Quantitative Biology, School of Life Sciences, Peking University, Beijing, China
| | - Wei Liu
- Department of Urology, Aerospace Center Hospital, Peking University Aerospace School of Clinical Medicine, Beijing, China
| | - Kangping Xiong
- Hubei Key Laboratory of Urological Diseases, Laboratory of Precision Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Fenfang Zhou
- Department of Radiology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Na Li
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, SunYat-sen University, Guangzhou, China
| | - Renjie Zhang
- Hubei Key Laboratory of Urological Diseases, Laboratory of Precision Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Jingtian Yu
- Hubei Key Laboratory of Urological Diseases, Laboratory of Precision Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Mingxing Li
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Wan Xiang
- Department of Biological Repositories, Human Genetic Resources Preservation Center of Hubei Province, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Kaiyu Qian
- Hubei Key Laboratory of Urological Diseases, Laboratory of Precision Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
- Department of Biological Repositories, Human Genetic Resources Preservation Center of Hubei Province, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Gang Wang
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Department of Biological Repositories, Human Genetic Resources Preservation Center of Hubei Province, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yu Xiao
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Department of Biological Repositories, Human Genetic Resources Preservation Center of Hubei Province, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Xinghuan Wang
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Medical Research Institute, Frontier Science Center of Immunology and Metabolism, TaiKang Center for Life and Medical Sciences, Wuhan University, Wuhan, China
| | - Lingao Ju
- Hubei Key Laboratory of Urological Diseases, Laboratory of Precision Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
- Department of Biological Repositories, Human Genetic Resources Preservation Center of Hubei Province, Zhongnan Hospital of Wuhan University, Wuhan, China
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6
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Wang F, Zhang G, Xu T, Ma J, Wang J, Liu S, Tang Y, Jin S, Li J, Xing N. High and selective cytotoxicity of ex vivo expanded allogeneic human natural killer cells from peripheral blood against bladder cancer: implications for natural killer cell instillation after transurethral resection of bladder tumor. J Exp Clin Cancer Res 2024; 43:24. [PMID: 38245792 PMCID: PMC10799482 DOI: 10.1186/s13046-024-02955-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 01/12/2024] [Indexed: 01/22/2024] Open
Abstract
BACKGROUND Non-muscle-invasive bladder cancer (NMIBC) is treated with transurethral resection of bladder tumor (TURBT) followed by intravesical instillation of chemotherapy or Bacillus Calmette-Guérin therapy. However, these treatments have a high recurrence rate and side effects, emphasizing the need for alternative instillations. Previously, we revealed that expanded allogeneic human natural killer (NK) cells from peripheral blood are a promising cellular therapy for prostate cancer. However, whether NK cells exhibit a similar killing effect in bladder cancer (BCa) remains unknown. METHODS Expansion, activation, and cryopreservation of allogeneic human NK cells obtained from peripheral blood were performed as we previously described. In vitro cytotoxicity was evaluated using the cell counting kit-8. The levels of perforin, granzyme B, interferon-γ, tumor necrosis factor-α, and chemokines (C-C-motif ligand [CCL]1, CCL2, CCL20, CCL3L1, and CCL4; C-X-C-motif ligand [CXCL]1, CXCL16, CXCL2, CXCL3, and CXCL8; and X-motif ligand 1 and 2) were determined using enzyme-linked immunosorbent assay. The expression of CD107a, major histocompatibility complex class I (MHC-I), MHC-I polypeptide-related sequences A and B (MICA/B), cytomegalovirus UL16-binding protein-2/5/6 (ULBP-2/5/6), B7-H6, CD56, CD69, CD25, killer cell Ig-like receptors (KIR)2DL1, KIRD3DL1, NKG2D, NKp30, NKp46, and CD16 of NK cells or BCa and normal urothelial cells were detected using flow cytometry. Cytotoxicity was evaluated using lactate dehydrogenase assay in patient-derived organoid models. BCa growth was monitored in vivo using calipers in male NOD-scid IL2rg-/- mice subcutaneously injected with 5637 and NK cells. Differential gene expressions were investigated using RNA sequence analysis. The chemotaxis of T cells was evaluated using transwell migration assays. RESULTS We revealed that the NK cells possess higher cytotoxicity against BCa lines with more production of cytokines than normal urothelial cells counterparts in vitro, demonstrated by upregulation of degranulation marker CD107a and increased interferon-γ secretion, by MICA/B/NKG2D and B7H6/NKp30-mediated activation. Furthermore, NK cells demonstrated antitumor effects against BCa in patient-derived organoids and BCa xenograft mouse models. NK cells secreted chemokines, including CCL1/2/20, to induce T-cell chemotaxis when encountering BCa cells. CONCLUSIONS The expanded NK cells exhibit potent cytotoxicity against BCa cells, with few toxic side effects on normal urothelial cells. In addition, NK cells recruit T cells by secreting a panel of chemokines, which supports the translational application of NK cell intravesical instillation after TURBT from bench to bedside for NMIBC treatment.
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Affiliation(s)
- Fangming Wang
- Department of Urology, Tsinghua University Affiliated Beijing Tsinghua Changgung Hospital, Tsinghua University Clinical Institute, Beijing, 102218, China
| | - Gang Zhang
- Department of Urology, Tsinghua University Affiliated Beijing Tsinghua Changgung Hospital, Tsinghua University Clinical Institute, Beijing, 102218, China
| | - Tianli Xu
- BOE Regenerative Medicine Technology Co. Ltd, Beijing, 100015, China
| | - Jianlin Ma
- BOE Regenerative Medicine Technology Co. Ltd, Beijing, 100015, China
| | - Jing Wang
- BOE Regenerative Medicine Technology Co. Ltd, Beijing, 100015, China
| | - Shuai Liu
- BOE Regenerative Medicine Technology Co. Ltd, Beijing, 100015, China
| | - Yuzhe Tang
- Department of Urology, Tsinghua University Affiliated Beijing Tsinghua Changgung Hospital, Tsinghua University Clinical Institute, Beijing, 102218, China
| | - Song Jin
- Department of Urology, Tsinghua University Affiliated Beijing Tsinghua Changgung Hospital, Tsinghua University Clinical Institute, Beijing, 102218, China
| | - Jianxing Li
- Department of Urology, Tsinghua University Affiliated Beijing Tsinghua Changgung Hospital, Tsinghua University Clinical Institute, Beijing, 102218, China.
| | - Nianzeng Xing
- Department of Urology, National Clinical Research Center for Cancer/Cancer Hospital, National Cancer Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.
- State Key Laboratory of Molecular Oncology, National Cancer Center, National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100021, China.
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7
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Monshaugen I, Luna L, Rhodes J, Kristiansen FIS, Lång A, Bøe SO, Dutta A, Su Z, Klungland A, Ougland R. Depletion of the m1A writer TRMT6/TRMT61A reduces proliferation and resistance against cellular stress in bladder cancer. Front Oncol 2024; 13:1334112. [PMID: 38304034 PMCID: PMC10830773 DOI: 10.3389/fonc.2023.1334112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 12/28/2023] [Indexed: 02/03/2024] Open
Abstract
Background Bladder cancer (BLCA) is a common and deadly disease that results in a reduced quality of life for the patients and a significant economic burden on society. A better understanding of tumorigenesis is needed to improve clinical outcomes. Recent evidence places the RNA modification m1A and its regulatory proteins TRMT6/TRMT61A and ALKBH3 in BLCA pathogenesis. Methods TRMT6/TRMT61A, ALKBH1, and ALKBH3 expression was examined in human BLCA cell lines and a normal urinary tract epithelium cell line through qRT-PCR and western blot analysis. Prestoblue Cell Viability Reagent, wound-healing assay, and live-cell imaging-based cell displacement analysis, were conducted to assess proliferation, migration, and displacement of this BLCA cell line panel. Cell survival was assessed after inducing cellular stress and activating the unfolded protein response (UPR) with tunicamycin. Moreover, siRNA-mediated gene silencing in two BLCA cell lines (5637 and HT1197) was conducted to investigate the biological roles of TRMT6/TRMT61A. Results Heterogeneous morphology, proliferation, displacement, tunicamycin sensitivity, and expression levels of m1A regulators were observed among the panel of cell lines examined. In general, TRMT61A expression was increased in BLCA cell lines when compared to SV-HUC-1. Depletion of TRMT6/TRMT61A reduced proliferation capacity in both 5637 and HT1197 cell lines. The average cell displacement of 5637 was also reduced upon TRMT6/TRMT61A depletion. Interestingly, TRMT6/TRMT61A depletion decreased mRNA expression of targets associated with the ATF6-branch of the UPR in 5637 but not in HT1197. Moreover, cell survival after induction of cellular stress was compromised after TRMT6/TRMT61A knockdown in 5637 but not in HT1197 cells. Conclusion The findings suggest that TRMT6/TRMT61A plays an oncogenic role in BLCA and is involved in desensitizing BLCA cells against cellular stress. Further investigation into the regulation of TRMT6/TRMT61A expression and its impact on cellular stress tolerance may provide insights for future BLCA treatment.
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Affiliation(s)
- Ida Monshaugen
- Centre for Embryology and Healthy Development, Department of Microbiology, Oslo University Hospital Rikshospitalet, Oslo, Norway
- Department of Molecular Medicine, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
- Department of Surgery, Baerum Hospital Vestre Viken Hospital Trust, Gjettum, Norway
| | - Luisa Luna
- Centre for Embryology and Healthy Development, Department of Microbiology, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Jayden Rhodes
- Department of Genetics, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Felicia Iselin Svensson Kristiansen
- Centre for Embryology and Healthy Development, Department of Microbiology, Oslo University Hospital Rikshospitalet, Oslo, Norway
- Department of Surgery, Baerum Hospital Vestre Viken Hospital Trust, Gjettum, Norway
- Centre for Embryology and Healthy Development, Department of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Anna Lång
- Centre for Embryology and Healthy Development, Department of Microbiology, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Stig Ove Bøe
- Centre for Embryology and Healthy Development, Department of Microbiology, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Anindya Dutta
- Department of Genetics, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Zhangli Su
- Department of Genetics, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Arne Klungland
- Centre for Embryology and Healthy Development, Department of Microbiology, Oslo University Hospital Rikshospitalet, Oslo, Norway
- Centre for Embryology and Healthy Development, Department of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Rune Ougland
- Centre for Embryology and Healthy Development, Department of Microbiology, Oslo University Hospital Rikshospitalet, Oslo, Norway
- Department of Surgery, Baerum Hospital Vestre Viken Hospital Trust, Gjettum, Norway
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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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9
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Lu S, Zhang X, Cai Z, Xi Z, Wang F, Wang X, Li W, Dai P. Identification of novel lncRNA prognostic biomarkers and their associated ceRNAs in bladder urothelial carcinoma. J Biochem Mol Toxicol 2023; 37:e23441. [PMID: 37393523 DOI: 10.1002/jbt.23441] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 04/19/2023] [Accepted: 06/14/2023] [Indexed: 07/03/2023]
Abstract
Bladder urothelial carcinoma (BUCA) is a common malignant tumor with a high rate of metastasis and recurrence. The lack of specific and sensitive biomarkers for the prognostic assessment makes it important to seek alternatives. Recent studies have demonstrated that long noncoding RNAs (lncRNAs) function as competitive endogenous RNAs (ceRNAs) and play an important role in BUCA prognosis. Therefore, this study aimed to establish a prognosis-related lncRNAs-microRNAs (miRNAs)-messenger RNA (mRNA) (pceRNA) network and identify novel prognostic biomarkers. Integrated weighted coexpression analysis, functional clustering, and ceRNA network were used for the prognostic assessment of BUCA. The transcriptome sequencing datasets of lncRNA, miRNA, and mRNA from The Cancer Genome Atlas database were used for the identification of key lncRNAs and construction of the lncRNAs expression signature for prognostic prediction of BUCA patients. Then, 14 differentially expressed lncRNAs (DE-lncRNAs) were identified as candidate prognostic RNAs based on the ceRNAs network and functional clustering. In the Cox regression analysis, two (AC008676.1 and ADAMTS9-AS1) of all DE-lncRNAs were significantly associated with overall survival (OS) of BUCA patients. This two DE-lncRNA signature was significantly correlated with OS and was an independent prognostic factor, which was confirmed in an independent dataset of GSE216037. Moreover, we constructed the pceRNA network that includes 2 DE-lncRNAs, 9 DE-miRNAs, and 10 DE-mRNAs. Pathway enrichment analysis showed that AC008676.1 and ADAMTS9-AS1 are involved in several cancer-related pathways such as proteoglycans in cancer and TGF-beta signaling pathway. The novel-identified DE-lncRNA prognostic signature and the pceRNA network in this study will be valuable risk predictors and diagnostic markers for BUCA.
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Affiliation(s)
- Sihai Lu
- School of Life Sciences, Northwest University, Xi'an, China
- Shaanxi Lifegen Co. Ltd., Xi'an, China
- National Engineering Research Center for Miniaturized Detection Systems, Northwest University, Xi'an, China
| | | | - Zhiye Cai
- School of Life Sciences, Northwest University, Xi'an, China
| | - Ziyi Xi
- School of Life Sciences, Northwest University, Xi'an, China
| | - Fei Wang
- School of Life Sciences, Northwest University, Xi'an, China
| | - Xuan Wang
- School of Life Sciences, Northwest University, Xi'an, China
| | - Wenqi Li
- School of Life Sciences, Northwest University, Xi'an, China
| | - Penggao Dai
- School of Life Sciences, Northwest University, Xi'an, China
- Shaanxi Lifegen Co. Ltd., Xi'an, China
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10
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Holuigue H, Nacci L, Di Chiaro P, Chighizola M, Locatelli I, Schulte C, Alfano M, Diaferia GR, Podestà A. Native extracellular matrix probes to target patient- and tissue-specific cell-microenvironment interactions by force spectroscopy. NANOSCALE 2023; 15:15382-15395. [PMID: 37700706 DOI: 10.1039/d3nr01568h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/14/2023]
Abstract
Atomic Force Microscopy (AFM) is successfully used for the quantitative investigation of the cellular mechanosensing of the microenvironment. To this purpose, several force spectroscopy approaches aim at measuring the adhesive forces between two living cells and also between a cell and an appropriate reproduction of the extracellular matrix (ECM), typically exploiting tips suitably functionalised with single components (e.g. collagen, fibronectin) of the ECM. However, these probes only poorly reproduce the complexity of the native cellular microenvironment and consequently of the biological interactions. We developed a novel approach to produce AFM probes that faithfully retain the structural and biochemical complexity of the ECM; this was achieved by attaching to an AFM cantilever a micrometric slice of native decellularised ECM, which was cut by laser microdissection. We demonstrate that these probes preserve the morphological, mechanical, and chemical heterogeneity of the ECM. Native ECM probes can be used in force spectroscopy experiments aimed at targeting cell-microenvironment interactions. Here, we demonstrate the feasibility of dissecting mechanotransductive cell-ECM interactions in the 10 pN range. As proof-of-principle, we tested a rat bladder ECM probe against the AY-27 rat bladder cancer cell line. On the one hand, we obtained reproducible results using different probes derived from the same ECM regions; on the other hand, we detected differences in the adhesion patterns of distinct bladder ECM regions (submucosa, detrusor, and adventitia), in line with the disparities in composition and biophysical properties of these ECM regions. Our results demonstrate that native ECM probes, produced from patient-specific regions of organs and tissues, can be used to investigate cell-microenvironment interactions and early mechanotransductive processes by force spectroscopy. This opens new possibilities in the field of personalised medicine.
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Affiliation(s)
- H Holuigue
- CIMAINA and Dipartimento di Fisica "Aldo Pontremoli", Università degli Studi di Milano, Milano, Italy.
| | - L Nacci
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milano, Italy.
| | - P Di Chiaro
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milano, Italy.
| | - M Chighizola
- CIMAINA and Dipartimento di Fisica "Aldo Pontremoli", Università degli Studi di Milano, Milano, Italy.
| | - I Locatelli
- Division of Experimental Oncology/Unit of Urology, URI, IRCCS San Raffaele Hospital, Milan, Italy.
| | - C Schulte
- CIMAINA and Dipartimento di Fisica "Aldo Pontremoli", Università degli Studi di Milano, Milano, Italy.
- Department of Biomedical and Clinical Sciences "L. Sacco", Università degli Studi di Milano, Milano, Italy
| | - M Alfano
- Division of Experimental Oncology/Unit of Urology, URI, IRCCS San Raffaele Hospital, Milan, Italy.
| | - G R Diaferia
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milano, Italy.
| | - A Podestà
- CIMAINA and Dipartimento di Fisica "Aldo Pontremoli", Università degli Studi di Milano, Milano, Italy.
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11
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Hu CY, Hung CF, Chen PC, Hsu JY, Wang CT, Lai MD, Tsai YS, Shiau AL, Shieh GS, Wu CL. Oct4 and Hypoxia Dual-Regulated Oncolytic Adenovirus Armed with shRNA-Targeting Dendritic Cell Immunoreceptor Exerts Potent Antitumor Activity against Bladder Cancer. Biomedicines 2023; 11:2598. [PMID: 37892972 PMCID: PMC10604824 DOI: 10.3390/biomedicines11102598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 09/12/2023] [Accepted: 09/20/2023] [Indexed: 10/29/2023] Open
Abstract
Immunotherapy has emerged as a promising modality for cancer treatment. Dendritic cell immunoreceptor (DCIR), a C-type lectin receptor, is expressed mainly by dendritic cells (DCs) and mediates inhibitory intracellular signaling. Inhibition of DCIR activation may enhance antitumor activity. DCIR is encoded by CLEC4A in humans and by Clec4a2 in mice. Gene gun-mediated delivery of short hairpin RNA (shRNA) targeting Clec4a2 into mice bearing bladder tumors reduces DCIR expression in DCs, inhibiting tumor growth and inducing CD8+ T cell immune responses. Various oncolytic adenoviruses have been developed in clinical trials. Previously, we have developed Ad.LCY, an oncolytic adenovirus regulated by Oct4 and hypoxia, and demonstrated its antitumor efficacy. Here, we generated a Clec4a2 shRNA-expressing oncolytic adenovirus derived from Ad.LCY, designated Ad.shDCIR, aimed at inducing more robust antitumor immune responses. Our results show that treatment with Ad.shDCIR reduced Clec4a expression in DCs in cell culture. Furthermore, Ad.shDCIR exerted cytolytic effects solely on MBT-2 bladder cancer cells but not on normal NIH 3T3 mouse fibroblasts, confirming the tumor selectivity of Ad.shDCIR. Compared to Ad.LCY, Ad.shDCIR induced higher cytotoxic T lymphocyte (CTL) activity in MBT-2 tumor-bearing immunocompetent mice. In addition, Ad.shDCIR and Ad.LCY exhibited similar antitumor effects on inhibiting tumor growth. Notably, Ad.shDCIR was superior to Ad.LCY in prolonging the survival of tumor-bearing mice. In conclusion, Ad.shDCIR may be further explored as a combination therapy of virotherapy and immunotherapy for bladder cancer and likely other types of cancer.
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Affiliation(s)
- Che-Yuan Hu
- Department of Urology, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan (Y.-S.T.)
| | - Chi-Feng Hung
- Department of Urology, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi City 60002, Taiwan
| | - Pi-Che Chen
- Department of Urology, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi City 60002, Taiwan
| | - Jia-Yu Hsu
- Department of Biochemistry and Molecular Biology, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan (M.-D.L.)
| | - Chung-Teng Wang
- Department of Microbiology and Immunology, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan (A.-L.S.)
| | - Ming-Derg Lai
- Department of Biochemistry and Molecular Biology, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan (M.-D.L.)
| | - Yuh-Shyan Tsai
- Department of Urology, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan (Y.-S.T.)
| | - Ai-Li Shiau
- Department of Microbiology and Immunology, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan (A.-L.S.)
- Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi City 60002, Taiwan
| | - Gia-Shing Shieh
- Department of Urology, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan (Y.-S.T.)
- Department of Urology, Tainan Hospital, Ministry of Health and Welfare, Executive Yuan, Tainan 70043, Taiwan
| | - Chao-Liang Wu
- Department of Biochemistry and Molecular Biology, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan (M.-D.L.)
- Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi City 60002, Taiwan
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12
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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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13
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Gu Y, Lu Y, Xiong Y, Zhan X, Liu T, Tang M, Xie A, Liu X, Fu B. Advances in the bladder cancer research using 3D culture models. Bladder (San Franc) 2023; 10:e21200005. [PMID: 37936584 PMCID: PMC10627085 DOI: 10.14440/bladder.2023.856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 01/31/2023] [Accepted: 02/28/2023] [Indexed: 11/09/2023] Open
Abstract
Bladder cancer represents the most common malignancy of the urinary system, posing a significant threat to patients' life. Animal models and two-dimensional (2D) cell cultures, among other traditional models, have been used for years to study various aspects of bladder cancer. However, these methods are subject to various limitations when mimicking the tumor microenvironment in vivo, thus hindering the further improvement of bladder cancer treatments. Recently, three-dimensional (3D) culture models have attracted extensive attention since they overcome the shortcomings of their traditional counterparts. Most importantly, 3D culture models more accurately reproduce the tumor microenvironment in the human body because they can recapitulate the cell-cell and cell-extracellular matrix interactions. 3D culture models can thereby help us gain deeper insight into the bladder cancer. The 3D culture models of tumor cells can extend the culture duration and allow for co-culturing with different cell types. Study of patient-specific bladder cancer mutations and subtypes is made possible by the ability to preserve cells isolated from particular patients in 3D culture models. It will be feasible to develop customized treatments that target relevant signaling pathways or biomarkers. This article reviews the development, application, advantages, and limitations of traditional modeling systems and 3D culture models used in the study of bladder cancer and discusses the potential application of 3D culture models.
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Affiliation(s)
- Yexin Gu
- Cyberiad Intelligent Technology, Shanghai 201112, China
| | - Ye Lu
- Cyberiad Intelligent Technology, Shanghai 201112, China
| | - Yunqiang Xiong
- Department of Urology, the First Affiliated Hospital of Nanchang University, 17 Yongwai Street, Nanchang City, Jiangxi Province, China
| | - Xiangpeng Zhan
- Department of Urology, the First Affiliated Hospital of Nanchang University, 17 Yongwai Street, Nanchang City, Jiangxi Province, China
| | - Taobin Liu
- Department of Urology, the First Affiliated Hospital of Nanchang University, 17 Yongwai Street, Nanchang City, Jiangxi Province, China
| | - Min Tang
- Cyberiad Intelligent Technology, Shanghai 201112, China
| | - An Xie
- Department of Urology, the First Affiliated Hospital of Nanchang University, 17 Yongwai Street, Nanchang City, Jiangxi Province, China
| | - Xiaoqiang Liu
- Department of Urology, the First Affiliated Hospital of Nanchang University, 17 Yongwai Street, Nanchang City, Jiangxi Province, China
| | - Bin Fu
- Department of Urology, the First Affiliated Hospital of Nanchang University, 17 Yongwai Street, Nanchang City, Jiangxi Province, China
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14
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Dressler FF, Hinrichs S, Roesch MC, Perner S. EpCAM tumor specificity and proteoform patterns in urothelial cancer. J Cancer Res Clin Oncol 2023:10.1007/s00432-023-04809-9. [PMID: 37154925 PMCID: PMC10374485 DOI: 10.1007/s00432-023-04809-9] [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: 04/04/2023] [Accepted: 04/20/2023] [Indexed: 05/10/2023]
Abstract
BACKGROUND The role of the epithelial cell adhesion molecule (EpCAM) in cancer is still unclear. EpCAM cleavage through regulated intramembrane proteolysis results in fragments which interact with both oncogenic and tumor suppressive pathways. Additionally, the EpCAM molecule itself is used as a descriptive therapeutic target in urothelial cancer (UC), while data on its actual tumor specificity remain limited. METHODS Samples from diagnostic formalin-fixed paraffin-embedded (FFPE) UC tissue and fresh-frozen UC cells were immunoblotted and used for qualitative characterization of five different EpCAM fragments. These expression patterns were quantified across a cohort of 76 samples with 52 UC and 24 normal urothelial samples. Cell viability effects of the extracellular EpEX fragment were assessed in the UC cell lines T24 and HT1376. RESULTS The proteolytic EpCAM fragments could be identified in clinical FFPE tissue specimens too. Neither overall nor fragment-specific EpCAM expression showed relevant tumor specificity. EpEX and its deglycosylated variant showed an inverse relationship across healthy and tumor tissue with a decrease of deglycosylated EpEX in tumors. However, extracellular EpEX did not show a relevant effect in vitro. CONCLUSIONS EpCAM should not be regarded as tumor-specific in UC without patient-specific predictive testing. EpCAM fragment patterns indicate cancer-specific changes and could be involved in its complex tumor-biological role.
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Affiliation(s)
- Franz F Dressler
- Institute of Pathology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Charitéplatz 1, 10117, Berlin, Germany.
- Institute of Pathology, University Medical Center Schleswig-Holstein, Campus Lübeck, Lübeck, Germany.
| | - Sofie Hinrichs
- Institute of Pathology, University Medical Center Schleswig-Holstein, Campus Lübeck, Lübeck, Germany
| | - Marie C Roesch
- Department of Urology, University Hospital Schleswig-Holstein, Campus Lübeck, Lübeck, Germany
| | - Sven Perner
- Institute of Pathology, University Medical Center Schleswig-Holstein, Campus Lübeck, Lübeck, Germany
- Institute of Pathology, Research Center Borstel, Leibniz Lung Center, Borstel, Germany
- Institute of Pathology and Hematopathology, Hamburg, Germany
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15
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Chan TC, Pan CT, Hsieh HY, Vejvisithsakul PP, Wei RJ, Yeh BW, Wu WJ, Chen LR, Shiao MS, Li CF, Shiue YL. The autocrine glycosylated-GREM1 interacts with TGFB1 to suppress TGFβ/BMP/SMAD-mediated EMT partially by inhibiting MYL9 transactivation in urinary carcinoma. Cell Oncol (Dordr) 2023:10.1007/s13402-023-00788-8. [PMID: 36920729 DOI: 10.1007/s13402-023-00788-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/21/2023] [Indexed: 03/16/2023] Open
Abstract
PURPOSE Urothelial carcinoma (UC) is a common disease in developed counties. This study aimed to identify autocrine roles and signaling pathways of gremlin 1, DAN family BMP antagonist (GREM1), which inhibits tumor growth and epithelial-mesenchymal transition (EMT) in UC. METHODS Systematic in vitro and in vivo studies using genetic engineering, different urinary bladder urothelial carcinoma (UBUC)-derived cell lines, and mouse models were performed, respectively. Further, primary upper tract urothelial carcinoma (UTUC) and UBUC specimens were evaluated by immunohistochemistry. RESULTS GREM1 protein levels conferred better disease-specific and metastasis-free survival rates and played an independent prognostic factor in UTUC and UBUC. Hypermethylation is the primary cause of low GREM1 levels. In different UBUC-derived cell lines, the autocrine/secreted and glycosylated GREM1 interacted with transforming growth factor beta 1 (TGFB1) and inhibited TGFβ/BMP/SMAD signaling and myosin light chain 9 (MYL9) transactivation, subsequently cell proliferation and epithelial-mesenchymal transition (EMT). Secreted and glycosylated GREM1 also suppressed tumor growth, metastasis, and MYL9 levels in the mouse model. Instead, cytosolic GREM1 promoted cell proliferation and EMT by activating the tumor necrosis factor (TNF)/AKT/nuclear factor kappa B (NFκB) axis. CONCLUSIONS Clinical associations, animal models, and in vitro indications provided solid evidence to show that the epithelial autocrine GREM1 is a novel tumor suppressor in UCs. The glycosylated-GREM1 hampered cell proliferation, migration, invasion, and in vitro angiogenesis through interaction with TGFB1 to inactivate TGFβ/BMP/SMAD-mediated EMT in an autocrine manner.
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Affiliation(s)
- Ti-Chun Chan
- Department of Medical Research, Chi-Mei Medical Center, Tainan, 71004, Taiwan.,National Institute of Cancer Research, National Health Research Institutes, Tainan, 71004, Taiwan
| | - Cheng-Tang Pan
- Institute of Precision Medicine, College of Medicine, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan.,Department of Mechanical and Electro-Mechanical Engineering, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan.,Institute of Advanced Semiconductor Packaging and Testing, College of Semiconductor and Advanced Technology Research, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan
| | - Hsin-Yu Hsieh
- Institute of Precision Medicine, College of Medicine, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan.,Institute of Biomedical Sciences, College of Medicine, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan
| | - Pichpisith Pierre Vejvisithsakul
- Institute of Biomedical Sciences, College of Medicine, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan.,Program in Translational Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, 10400, Thailand
| | - Ren-Jie Wei
- Department of Pathology, Kaohsiung Armed Forces General Hospital, Kaohsiung, 80284, Taiwan.,Institute of Medical Science and Technology, School of Medicine, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan.,Department of Medical Laboratory Sciences and Biotechnology, Fooyin University, Kaohsiung, 83102, Taiwan
| | - Bi-Wen Yeh
- Department of Urology, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan.,Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung, 80708, Taiwan
| | - Wen-Jeng Wu
- Department of Urology, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan.,Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung, 80708, Taiwan.,Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan.,Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
| | - Lih-Ren Chen
- Division of Physiology, Livestock Research Institute, Tainan, 71246, Taiwan
| | - Meng-Shin Shiao
- Research Center, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, 10400, Thailand
| | - Chien-Feng Li
- Department of Medical Research, Chi-Mei Medical Center, Tainan, 71004, Taiwan. .,National Institute of Cancer Research, National Health Research Institutes, Tainan, 71004, Taiwan. .,Institute of Precision Medicine, College of Medicine, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan.
| | - Yow-Ling Shiue
- Institute of Precision Medicine, College of Medicine, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan. .,Institute of Biomedical Sciences, College of Medicine, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan.
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16
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Whynot EG, Tomko AM, Dupré DJ. Anticancer properties of cannabidiol and Δ 9-tetrahydrocannabinol and synergistic effects with gemcitabine and cisplatin in bladder cancer cell lines. J Cannabis Res 2023; 5:7. [PMID: 36870996 PMCID: PMC9985258 DOI: 10.1186/s42238-023-00174-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: 05/27/2021] [Accepted: 02/01/2023] [Indexed: 03/06/2023] Open
Abstract
INTRODUCTION With the legalization of cannabis in multiple jurisdictions throughout the world, a larger proportion of the population consumes cannabis. Several studies have demonstrated anti-tumor effects of components present in cannabis in different models. Unfortunately, little is known about the potential anti-tumoral effects of cannabinoids in bladder cancer and how cannabinoids could potentially synergize with chemotherapeutic agents. Our study aims to identify whether a combination of cannabinoids, like cannabidiol and Δ9-tetrahydrocannabinol, with agents commonly used to treat bladder cancer, such as gemcitabine and cisplatin, can produce desirable synergistic effects. We also evaluated if co-treatment with different cannabinoids resulted in synergistic effects. METHODS We generated concentration curves with several drugs, including several cannabinoids, to identify the range at which they could exert anti-tumor effects in bladder cancer cell lines. We tested the cytotoxic effects of gemcitabine (up to 100 nM), cisplatin (up to 100 μM), and cannabinoids (up to 10 μM) in T24 and TCCSUP cells. We also evaluated the activation of the apoptotic cascade and whether cannabinoids have the ability to reduce invasion in T24 cells. RESULTS Cannabidiol, Δ9-tetrahydrocannabinol, cannabichromene, and cannabivarin reduce cell viability of bladder cancer cell lines, and their combination with gemcitabine or cisplatin may induce differential responses, from antagonistic to additive and synergistic effects, depending on the concentrations used. Cannabidiol and Δ9-tetrahydrocannabinol were also shown to induce apoptosis via caspase-3 cleavage and reduce invasion in a Matrigel assay. Cannabidiol and Δ9-tetrahydrocannabinol also display synergistic properties with other cannabinoids like cannabichromene or cannabivarin, although individual cannabinoids may be sufficient to reduce cell viability of bladder cancer cell lines. DISCUSSION Our results indicate that cannabinoids can reduce human bladder transitional cell carcinoma cell viability, and that they can potentially exert synergistic effects when combined with other agents. Our in vitro results will form the basis for future studies in vivo and in clinical trials for the development of new therapies that could be beneficial for the treatment of bladder cancer in the future.
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Affiliation(s)
- Erin G. Whynot
- grid.55602.340000 0004 1936 8200Faculty of Medicine, Department of Pharmacology, Dalhousie University, PO BOX 15 000, 5850 College St., Sir Charles Tupper Medical Building, Halifax, NS B3H 4R2 Canada
| | - Andrea M. Tomko
- grid.55602.340000 0004 1936 8200Faculty of Medicine, Department of Pharmacology, Dalhousie University, PO BOX 15 000, 5850 College St., Sir Charles Tupper Medical Building, Halifax, NS B3H 4R2 Canada
| | - Denis J. Dupré
- grid.55602.340000 0004 1936 8200Faculty of Medicine, Department of Pharmacology, Dalhousie University, PO BOX 15 000, 5850 College St., Sir Charles Tupper Medical Building, Halifax, NS B3H 4R2 Canada
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17
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Özgen Ö, Özen Eroğlu G, Küçükhüseyin Ö, Akdeniz N, Hepokur C, Kuruca S, Yaylım İ. Vitamin D increases the efficacy of cisplatin on bladder cancer cell lines. Mol Biol Rep 2023; 50:697-706. [PMID: 36370297 DOI: 10.1007/s11033-022-08044-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 10/18/2022] [Indexed: 11/15/2022]
Abstract
BACKGROUND 1,25(OH)2D3(Calcitriol), which is a broad regulatory molecule, plays a role in changing the efficacy of chemotherapeutic drugs. Cisplatin is one of a current standard chemotherapy regimen for bladder cancer. Increasing the effectiveness of the treatment and reducing the side effects to chemotherapeutics are of great importance in bladder cancer. We aimed to investigate the effect of the combination of cisplatin and calcitriol in order to create a possible advantage in treatment of bladder cancer. METHODS T24, ECV-304 and HUVEC cell lines were treated with calcitriol and cisplatin individually and in combination. Dose determination and combination treatments of calcitriol and cisplatin were evaluated using the MTT assay for cytotoxicity analysis on the cells. Annexin V-PI staining method was used for apoptosis determination by flow cytometry. Also the P-gp expression levels were determined by flow cytometry. RESULTS The combination treatment increased the anti-proliferative efficacy compared to the efficacy in cisplatin alone in T24 cells and reduced the cytotoxicity in the HUVEC healthy cells compared to cisplatin alone. Combination treatment achieved significantly higher apoptosis rate in T24 cells compared with the rates in treatment of cisplatin alone. However apoptosis decreased in HUVEC cell line. P-gp ratios were increased in HUVEC and decreased in T24 cells with combination treatment compared to the numbers in the control cells. The rate of apoptosis and P-gp levels showed no significant change in ECV-304 cells. CONCLUSION Our study revealed that the combination of calcitriol and cisplatin allows the use of cisplatin at lower doses in T24 bladder cancer cell line.
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Affiliation(s)
- Özge Özgen
- Department of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Fatih-Capa, Istanbul, Turkey.
| | - Güneş Özen Eroğlu
- Department of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Fatih-Capa, Istanbul, Turkey
| | - Özlem Küçükhüseyin
- Department of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Fatih-Capa, Istanbul, Turkey
| | - Nilgün Akdeniz
- Department of Immunology, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey
| | - Ceylan Hepokur
- Department of Medical Biochemistry, Faculty of Pharmacy, Cumhuriyet University, Sivas, Turkey
| | - Serap Kuruca
- Department of Physiology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - İlhan Yaylım
- Department of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Fatih-Capa, Istanbul, Turkey
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Utilization of Cancer Cell Line Screening to Elucidate the Anticancer Activity and Biological Pathways Related to the Ruthenium-Based Therapeutic BOLD-100. Cancers (Basel) 2022; 15:cancers15010028. [PMID: 36612025 PMCID: PMC9817855 DOI: 10.3390/cancers15010028] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 11/30/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022] Open
Abstract
BOLD-100 (sodium trans-[tetrachlorobis(1H indazole)ruthenate(III)]) is a ruthenium-based anticancer compound currently in clinical development. The identification of cancer types that show increased sensitivity towards BOLD-100 can lead to improved developmental strategies. Sensitivity profiling can also identify mechanisms of action that are pertinent for the bioactivity of complex therapeutics. Sensitivity to BOLD-100 was measured in a 319-cancer-cell line panel spanning 24 tissues. BOLD-100's sensitivity profile showed variation across the tissue lineages, including increased response in esophageal, bladder, and hematologic cancers. Multiple cancers, including esophageal, bile duct and colon cancer, had higher relative response to BOLD-100 than to cisplatin. Response to BOLD-100 showed only moderate correlation to anticancer compounds in the Genomics of Drug Sensitivity in Cancer (GDSC) database, as well as no clear theme in bioactivity of correlated hits, suggesting that BOLD-100 may have a differentiated therapeutic profile. The genomic modalities of cancer cell lines were modeled against the BOLD-100 sensitivity profile, which revealed that genes related to ribosomal processes were associated with sensitivity to BOLD-100. Machine learning modeling of the sensitivity profile to BOLD-100 and gene expression data provided moderative predictive value. These findings provide further mechanistic understanding around BOLD-100 and support its development for additional cancer types.
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Yamasaki H, Uematsu Y, Okano K, Ichikawa M, Tei M, Hirabayashi M, Uchida K, Ono K, Hirao H. Establishment and characterization of urothelial carcinoma cell lines with and without BRAF mutation (V595E) in dogs. In Vitro Cell Dev Biol Anim 2022; 58:898-911. [PMID: 36477686 PMCID: PMC9780145 DOI: 10.1007/s11626-022-00736-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Accepted: 11/08/2022] [Indexed: 12/13/2022]
Abstract
Each 5 urothelial carcinoma (UC) cell lines with and without the v-Raf murine sarcoma virus oncogene homolog B (BRAF) gene mutation (V595E) were established and examined V595E-related tumorigenic characteristics in dogs. No typical morphological features were observed in cloned cells with and without V595E. The cell proliferation of both cloned cells showed logarithmic growth curve and those doubling time were 24.9 ± 4.1 h in V595E ( +) and 29.3 ± 11.3 h in V595E ( -). On the growth curve of xenotransplanted tumor in severe combined immunodeficiency mice, 3 out of 5 V595E ( +) and 2 out of 5 V595E ( -) cloned cells revealed gradually and remarkably increasing curve, indicating clearly tumorigenicity. The xenotransplanted tumors with V595E ( +) showed typical features of UC, such as solid proliferation of pleomorphic tumor cells, formation of papillary structure, and glandular structure. Additionally, various vascular formation was observed, probably indicating an advanced growth phase of UC. In mitogen-activated protein kinase (MAPK) signaling pathway, cytoplasmic phosphorylated-BRAF (pBRAF) and cytoplasmic and nuclear phosphorylated-ERK1/2 (pERK1/2) were detected in all 4 tumors with V595E ( +), whereas only cytoplasmic and nuclear pERK1/2 was detected in tumors with V595E ( -). Since V595E can directly activate MAPK signaling pathway, coincidence of V595E with pBRAF (phosphor Thr598/Ser601) indicates acquired resistance to BRAF inhibitors. These established UC cell lines, especially V595E ( +) cell lines, are useful tool for understanding pathophysiological states and controlling therapeutic manners of UC in dogs.
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Affiliation(s)
- Hirofumi Yamasaki
- Japan Animal Referral Medical Center, 2-5-8 Kuji, Takatsu-Ku, Kawasaki-Shi, Kanagawa, 213-0032, Japan
| | - Yosuke Uematsu
- Canine-Lab, 3-5-2 Ueno, Taito-Ku, Tokyo, 110-0005, Japan
| | - Kumiko Okano
- Japan Animal Referral Medical Center, 2-5-8 Kuji, Takatsu-Ku, Kawasaki-Shi, Kanagawa, 213-0032, Japan
| | - Mika Ichikawa
- Japan Animal Referral Medical Center, 2-5-8 Kuji, Takatsu-Ku, Kawasaki-Shi, Kanagawa, 213-0032, Japan
| | - Meina Tei
- Japan Animal Referral Medical Center, 2-5-8 Kuji, Takatsu-Ku, Kawasaki-Shi, Kanagawa, 213-0032, Japan
| | - Miyuki Hirabayashi
- Department of Veterinary Pathology, Faculty of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-Ku, Tokyo, 113-8657, Japan
| | - Kazuyuki Uchida
- Department of Veterinary Pathology, Faculty of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-Ku, Tokyo, 113-8657, Japan
| | - Kenichiro Ono
- Japan Animal Referral Medical Center, 2-5-8 Kuji, Takatsu-Ku, Kawasaki-Shi, Kanagawa, 213-0032, Japan.
| | - Hidehiro Hirao
- Japan Animal Referral Medical Center, 2-5-8 Kuji, Takatsu-Ku, Kawasaki-Shi, Kanagawa, 213-0032, Japan
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20
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Alchera E, Monieri M, Maturi M, Locatelli I, Locatelli E, Tortorella S, Sacchi A, Corti A, Nebuloni M, Lucianò R, Pederzoli F, Montorsi F, Salonia A, Meyer S, Jose J, Giustetto P, Franchini MC, Curnis F, Alfano M. Early diagnosis of bladder cancer by photoacoustic imaging of tumor-targeted gold nanorods. PHOTOACOUSTICS 2022; 28:100400. [PMID: 36386292 PMCID: PMC9649962 DOI: 10.1016/j.pacs.2022.100400] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 06/30/2022] [Accepted: 08/29/2022] [Indexed: 06/16/2023]
Abstract
Detection and removal of bladder cancer lesions at an early stage is crucial for preventing tumor relapse and progression. This study aimed to develop a new technological platform for the visualization of small and flat urothelial lesions of high-grade bladder carcinoma in situ (CIS). We found that the integrin α5β1, overexpressed in bladder cancer cell lines, murine orthotopic bladder cancer and human bladder CIS, can be exploited as a receptor for targeted delivery of GNRs functionalized with the cyclic CphgisoDGRG peptide (Iso4). The GNRs@Chit-Iso4 was stable in urine and selectively recognized α5β1 positive neoplastic urothelium, while low frequency ultrasound-assisted shaking of intravesically instilled GNRs@Chit-Iso4 allowed the distribution of nanoparticles across the entire volume of the bladder. Photoacoustic imaging of GNRs@Chit-Iso4 bound to tumor cells allowed for the detection of neoplastic lesions smaller than 0.5 mm that were undetectable by ultrasound imaging and bioluminescence.
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Affiliation(s)
- Elisa Alchera
- Unit of Urology, URI, Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Matteo Monieri
- Tumor Biology and Vascular Targeting Unit, Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Mirko Maturi
- Department of Industrial Chemistry "Toso Montanari", University of Bologna, Bologna, Italy
| | - Irene Locatelli
- Unit of Urology, URI, Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Erica Locatelli
- Department of Industrial Chemistry "Toso Montanari", University of Bologna, Bologna, Italy
| | - Silvia Tortorella
- Department of Industrial Chemistry "Toso Montanari", University of Bologna, Bologna, Italy
| | - Angelina Sacchi
- Tumor Biology and Vascular Targeting Unit, Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Angelo Corti
- Tumor Biology and Vascular Targeting Unit, Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Università Vita-Salute San Raffaele, Milan, Italy
| | - Manuela Nebuloni
- Pathology Unit, Department of Biomedical and Clinical Sciences, L. Sacco Hospital, Università degli Studi di Milano, Milan, Italy
| | - Roberta Lucianò
- Department of Pathology, IRCCS San Raffaele Hospital and Scientific Institute, Milan, Italy
| | - Filippo Pederzoli
- Unit of Urology, URI, Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Università Vita-Salute San Raffaele, Milan, Italy
| | - Francesco Montorsi
- Unit of Urology, URI, Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Università Vita-Salute San Raffaele, Milan, Italy
| | - Andrea Salonia
- Unit of Urology, URI, Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Università Vita-Salute San Raffaele, Milan, Italy
| | - Sandra Meyer
- FUJIFILM Visualsonics Inc., Amsterdam, the Netherlands
| | - Jithin Jose
- FUJIFILM Visualsonics Inc., Amsterdam, the Netherlands
| | | | - Mauro Comes Franchini
- Department of Industrial Chemistry "Toso Montanari", University of Bologna, Bologna, Italy
| | - Flavio Curnis
- Tumor Biology and Vascular Targeting Unit, Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Massimo Alfano
- Unit of Urology, URI, Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milan, Italy
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21
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Feng ZH, Liang YP, Cen JJ, Yao HH, Lin HS, Li JY, Liang H, Wang Z, Deng Q, Cao JZ, Huang Y, Wei JH, Luo JH, Chen W, Chen ZH. m6A-immune-related lncRNA prognostic signature for predicting immune landscape and prognosis of bladder cancer. J Transl Med 2022; 20:492. [PMID: 36309694 PMCID: PMC9617388 DOI: 10.1186/s12967-022-03711-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 10/19/2022] [Indexed: 11/10/2022] Open
Abstract
Background N6-methyladenosine (m6A) related long noncoding RNAs (lncRNAs) may have prognostic value in bladder cancer for their key role in tumorigenesis and innate immunity. Methods Bladder cancer transcriptome data and the corresponding clinical data were acquired from the Cancer Genome Atlas (TCGA) database. The m6A-immune-related lncRNAs were identified using univariate Cox regression analysis and Pearson correlation analysis. A risk model was established using least absolute shrinkage and selection operator (LASSO) Cox regression analyses, and analyzed using nomogram, time-dependent receiver operating characteristics (ROC) and Kaplan–Meier survival analysis. The differences in infiltration scores, clinical features, and sensitivity to Talazoparib of various immune cells between low- and high-risk groups were investigated. Results Totally 618 m6A-immune-related lncRNAs and 490 immune-related lncRNAs were identified from TCGA, and 47 lncRNAs of their intersection demonstrated prognostic values. A risk model with 11 lncRNAs was established by Lasso Cox regression, and can predict the prognosis of bladder cancer patients as demonstrated by time-dependent ROC and Kaplan–Meier analysis. Significant correlations were determined between risk score and tumor malignancy or immune cell infiltration. Meanwhile, significant differences were observed in tumor mutation burden and stemness-score between the low-risk group and high-risk group. Moreover, high-risk group patients were more responsive to Talazoparib. Conclusions An m6A-immune-related lncRNA risk model was established in this study, which can be applied to predict prognosis, immune landscape and chemotherapeutic response in bladder cancer. Supplementary Information The online version contains supplementary material available at 10.1186/s12967-022-03711-1.
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22
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Chronic Arsenic Exposure Upregulates the Expression of Basal Transcriptional Factors and Increases Invasiveness of the Non-Muscle Invasive Papillary Bladder Cancer Line RT4. Int J Mol Sci 2022; 23:ijms232012313. [PMID: 36293167 PMCID: PMC9604142 DOI: 10.3390/ijms232012313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 10/10/2022] [Accepted: 10/11/2022] [Indexed: 11/06/2022] Open
Abstract
The bladder is a target organ for inorganic arsenic, a carcinogen and common environmental contaminant found in soil and water. Urothelial carcinoma (UC) is the most common type of bladder cancer (BC) that develops into papillary or non-papillary tumors. Papillary tumors are mostly non-muscle invasive (NMIUC), easier treated, and have a better prognosis. Urothelial carcinoma can be molecularly sub-typed as luminal or basal, with papillary tumors generally falling into the luminal category and basal tumors exclusively forming muscle invasive urothelial carcinomas (MIUC). It is unclear why some UCs develop more aggressive basal phenotypes. We hypothesized that chronic arsenic exposure of a papillary luminal bladder cancer would lead to the development of basal characteristics and increase in invasiveness. We treated the human papillary bladder cancer cell line RT4 with 1 µM arsenite (As3+) for twenty passages. Throughout the study, key luminal and basal gene/protein markers in the exposed cells were evaluated and at passage twenty, the cells were injected into athymic mice to evaluate tumor histology and measure protein markers using immunohistochemistry. Our data indicates that chronic As3+- treatment altered cellular morphology and decreased several luminal markers in cell culture. The histology of the tumors generated from the As3+-exposed cells was similar to the parent (non-treated) however, they appeared to be more invasive in the liver and displayed elevated levels of some basal markers. Our study demonstrates that chronic As3+ exposure is able to convert a non-invasive papillary bladder cancer to an invasive form that acquires some basal characteristics.
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High-Content Drug Discovery Targeting Molecular Bladder Cancer Subtypes. Int J Mol Sci 2022; 23:ijms231810605. [PMID: 36142576 PMCID: PMC9506379 DOI: 10.3390/ijms231810605] [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: 08/24/2022] [Revised: 09/06/2022] [Accepted: 09/08/2022] [Indexed: 11/23/2022] Open
Abstract
Molecular subtypes of muscle-invasive bladder cancer (MIBC) display differential survival and drug sensitivities in clinical trials. To date, they have not been used as a paradigm for phenotypic drug discovery. This study aimed to discover novel subtype-stratified therapy approaches based on high-content screening (HCS) drug discovery. Transcriptome expression data of CCLE and BLA-40 cell lines were used for molecular subtype assignment in basal, luminal, and mesenchymal-like cell lines. Two independent HCSs, using focused compound libraries, were conducted to identify subtype-specific drug leads. We correlated lead drug sensitivity data with functional genomics, regulon analysis, and in-vitro drug response-based enrichment analysis. The basal MIBC subtype displayed sensitivity to HDAC and CHK inhibitors, while the luminal subtype was sensitive to MDM2 inhibitors. The mesenchymal-like cell lines were exclusively sensitive to the ITGAV inhibitor SB273005. The role of integrins within this mesenchymal-like MIBC subtype was confirmed via its regulon activity and gene essentiality based on CRISPR–Cas9 knock-out data. Patients with high ITGAV expression showed a significant decrease in the median overall survival. Phenotypic high-content drug screens based on bladder cancer cell lines provide rationales for novel stratified therapeutic approaches as a framework for further prospective validation in clinical trials.
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Dancik GM, Theodorescu D. Using Cell Lines To Guide Neoadjuvant Therapy in Bladder Cancer: COXEN and SWOG S1314. Eur Urol Focus 2022; 8:648-650. [PMID: 35339415 PMCID: PMC10112179 DOI: 10.1016/j.euf.2022.03.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Accepted: 03/16/2022] [Indexed: 12/14/2022]
Abstract
There are no predictive biomarkers in clinical use for the neoadjuvant treatment of bladder cancer. Here we report on a recent randomized phase 2 trial validating the identification of predictive biomarkers using cell lines in the absence of patient response data.
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Affiliation(s)
- Garrett M Dancik
- Department of Computer Science, Eastern Connecticut State University, Willimantic, CT, USA
| | - Dan Theodorescu
- Department of Surgery, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Samuel Oschin Comprehensive Cancer Institute, Los Angeles, CA, USA.
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25
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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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Effect of glycated HDL on oxidative stress and cholesterol homeostasis in a human bladder cancer cell line, J82. Exp Mol Pathol 2022; 126:104777. [DOI: 10.1016/j.yexmp.2022.104777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 04/12/2022] [Accepted: 04/25/2022] [Indexed: 11/17/2022]
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Huang KC, Chanda D, McGrath S, Dixit V, Zhang C, Wu J, Tendyke K, Yao H, Hukkanen R, Taylor N, Verbel D, Kim DS, Endo A, Noland TA, Chen Y, Matijevic M, Wang J, Hutz J, Sarwar N, Fang FG, Bao X. Pharmacological Activation of STING in Bladder Induces Potent Anti-tumor Immunity in Non-Muscle Invasive Murine Bladder Cancer. Mol Cancer Ther 2022; 21:914-924. [PMID: 35313332 DOI: 10.1158/1535-7163.mct-21-0780] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 01/25/2022] [Accepted: 03/09/2022] [Indexed: 11/16/2022]
Abstract
Schweinfurthins, a class of natural products, have attracted considerable interest for novel therapy development because of their selective and potent anti-proliferative activity against human cancer cells. However, the underlying mechanism is not well understood. Herein, we demonstrated that schweinfurthins preferentially inhibited the proliferation of PTEN deficient cancer cells by indirect inhibition of AKT phosphorylation. Intracellularly, schweinfurthins and their analogs arrested trans-Golgi-network trafficking, likely by binding to oxysterol-binding proteins, leading to an effective inhibition of mTOR/AKT signaling through inducing endoplasmic reticulum stress and suppressing both lipid raft-mediated PI3K activation and mTOR/RheB complex formation. Moreover, schweinfurthins were found to be highly potent toward PTEN-deficient B cell lymphoma cells, and displayed two orders of magnitude lower activity toward normal human peripheral blood mononuclear cells and primary fibroblasts in vitro. These results revealed a previously unrecognized role of schweinfurthins in trans-Golgi-network trafficking and linked mechanistically this cellular effect with mTOR/AKT signaling and with cancer cell survival and growth. Our findings suggest a new opportunity to modulate oncogenic signaling by interfering with TGN trafficking to treat mTOR/AKT-dependent human cancers.
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Affiliation(s)
| | - Dinesh Chanda
- Johnson & Johnson (United States), Cambridge, MA, United States
| | | | | | - Chi Zhang
- Dewpoint Therapeutics, Boston, United States
| | - Jiayi Wu
- H3biomedicine Inc, United States
| | | | - Huilan Yao
- H3 Biomedicine, Cambridge, United States
| | | | - Noel Taylor
- Eisai (United States), Andover, United States
| | | | | | | | | | - Yu Chen
- Eisai Inc, Cambridge, United States
| | - Mark Matijevic
- Boston Pharmaceuticals, Cambridge, Massachusetts, United States
| | - John Wang
- Eisai (United States), Andover, Massachusetts, United States
| | - Janna Hutz
- Eisai, Inc., Cambridge, MA, United States
| | | | | | - Xingfeng Bao
- H3biomedicine Inc., Cambridge, MA, United States
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Pre-clinical and clinical studies on the role of RBM3 in muscle-invasive bladder cancer: longitudinal expression, transcriptome-level effects and modulation of chemosensitivity. BMC Cancer 2022; 22:131. [PMID: 35109796 PMCID: PMC8811987 DOI: 10.1186/s12885-021-09168-7] [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: 05/16/2021] [Accepted: 12/24/2021] [Indexed: 11/29/2022] Open
Abstract
Background The response to neoadjuvant cisplatin-based chemotherapy (NAC) in muscle-invasive bladder cancer (MIBC) is impaired in up to 50% of patients due to chemoresistance, with no predictive biomarkers in clinical use. The proto-oncogene RNA-binding motif protein 3 (RBM3) has emerged as a putative modulator of chemotherapy response in several solid tumours but has a hitherto unrecognized role in MIBC. Methods RBM3 protein expression level in tumour cells was assessed via immunohistochemistry in paired transurethral resection of the bladder (TURB) specimens, cystectomy specimens and lymph node metastases from a consecutive cohort of 145 patients, 65 of whom were treated with NAC. Kaplan-Meier and Cox regression analyses were applied to estimate the impact of RBM3 expression on time to recurrence (TTR), cancer-specific survival (CSS), and overall survival (OS) in strata according to NAC treatment. The effect of siRNA-mediated silencing of RBM3 on chemosensitivity was examined in RT4 and T24 human bladder carcinoma cells in vitro. Cellular functions of RBM3 were assessed using RNA-sequencing and gene ontology analysis, followed by investigation of cell cycle distribution using flow cytometry. Results RBM3 protein expression was significantly higher in TURB compared to cystectomy specimens but showed consistency between primary tumours and lymph node metastases. Patients with high-tumour specific RBM3 expression treated with NAC had a significantly reduced risk of recurrence and a prolonged CSS and OS compared to NAC-untreated patients. In high-grade T24 carcinoma cells, which expressed higher RBM3 mRNA levels compared to RT4 cells, RBM3 silencing conferred a decreased sensitivity to cisplatin and gemcitabine. Transcriptomic analysis revealed potential involvement of RBM3 in facilitating cell cycle progression, in particular G1/S-phase transition, and initiation of DNA replication. Furthermore, siRBM3-transfected T24 cells displayed an accumulation of cells residing in the G1-phase as well as altered levels of recognised regulators of G1-phase progression, including Cyclin D1/CDK4 and CDK2. Conclusions The presented data highlight the potential value of RBM3 as a predictive biomarker of chemotherapy response in MIBC, which could, if prospectively validated, improve treatment stratification of patients with this aggressive disease. Supplementary Information The online version contains supplementary material available at 10.1186/s12885-021-09168-7.
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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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Wang Y, Zhang Y, Li PC, Guo J, Huo F, Yang J, Jia R, Wang J, Huang Q, Theodorescu D, Yu H, Yan C. Development of novel aptamer-based targeted chemotherapy for bladder cancer. Cancer Res 2022; 82:1128-1139. [DOI: 10.1158/0008-5472.can-21-2691] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 12/08/2021] [Accepted: 01/18/2022] [Indexed: 12/24/2022]
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A novel probiotic strain of Lactobacillus fermentum TIU19 isolated from Haria beer showing both in vitro antibacterial and antibiofilm properties upon two multi resistant uro-pathogen strains. CURRENT RESEARCH IN MICROBIAL SCIENCES 2022; 3:100150. [PMID: 35909596 PMCID: PMC9325903 DOI: 10.1016/j.crmicr.2022.100150] [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: 12/26/2021] [Revised: 06/20/2022] [Accepted: 06/20/2022] [Indexed: 11/23/2022] Open
Abstract
L. fermentum TIU19 was isolated from the ethnic traditional rice beverage, Haria. L. fermentum TIU19 showed antagonistic activity against uro-pathogens in both planktonic and biofilm conditions. L. fermentum TIU19 had potential probiotic traits.
Probiotics with antimicrobial activity are gaining interest as a topic in the research field. Urinary tract infections (UTIs), acquired in the hospital or the community, are among the most prevalent infections. The emergence of multidrug resistance (MDR) uro-pathogens has made the current situation more critical in terms of global public health. To face this situation, in this study, Lactobacillus fermentum TIU19 (L. fermentum TIU19) was isolated and characterized as a new probiotic strain of the rice-based fermented beverage Haria. Subsequently, we also investigated its application as a biological agent that inhibits the growth of multidrug-resistant uro-pathogens, Escherichia coli, and Enterococcus faecalis. The results showed that, the isolated strain L. fermentum TIU19 was sensitive to all antibiotics tested except vancomycin and was devoid of virulence factors, such as haemolytic and gelatinase activities. Therefore, it may be considered safe for public health. It has many probiotic properties, such as survival in simulated gastrointestinal fluid, antioxidant activity, β-galactosidase producing ability, high cell surface hydrophobicity, adhesion ability to epithelial cells, and strong biofilm producer. The growth inhibitory and antibiofilm activities were shown against two uro-pathogens. All these results suggest that L. fermentum TIU19 can be explored as a potential probiotic with antagonistic activity against MDR uro-pathogenic E. coli and E. faecalis.
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Griffin LE, Kohrt SE, Rathore A, Kay CD, Grabowska MM, Neilson AP. Microbial Metabolites of Flavanols in Urine are Associated with Enhanced Anti-Proliferative Activity in Bladder Cancer Cells In Vitro. Nutr Cancer 2022; 74:194-210. [PMID: 33522303 PMCID: PMC8790827 DOI: 10.1080/01635581.2020.1869277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Flavanols are metabolized by the gut microbiota to bioavailable metabolites, and the absorbed fraction is excreted primarily via urine. Uroepithelial cells are thus a potential site of activity due to exposure to high concentrations of these compounds. Chemoprevention by flavanols may be partly due to these metabolites. In Vitro work in this area relies on a limited pool of commercially available microbial metabolites, and little has been done in bladder cancer. The impact of physiologically relevant mixtures of flavanols and their metabolites remains unknown. Rats were fed various flavanols and urine samples, approximating the bioavailable metabolome, were collected. Urines were profiled by UPLC-MS/MS, and their anti-proliferative activities were assayed In Vitro in four bladder cancer models. Significant interindividual variability was observed for composition and proliferation. Microbial metabolite concentrations (valerolactones, phenylalkyl acids and hippuric acids) were positively associated with reduced bladder cancer proliferation In Vitro, while native flavanols were poorly correlated with activity. These results suggest that microbial metabolites may be responsible for chemoprevention in uroepithelial cells following flavanol consumption. This highlights the potential to use individual genetics and microbial metabotyping to design personalized dietary interventions for cancer prevention and/or adjuvant therapy to reduce bladder cancer incidence and improve outcomes.
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Affiliation(s)
- Laura E. Griffin
- Plants for Human Health Institute, Department of Food, Bioprocessing and Nutrition Sciences, North Carolina State University, Kannapolis, NC
| | - Sarah E. Kohrt
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH,Department of Pharmacology, Case Western Reserve University, Cleveland, OH
| | - Atul Rathore
- Plants for Human Health Institute, Department of Food, Bioprocessing and Nutrition Sciences, North Carolina State University, Kannapolis, NC
| | - Colin D. Kay
- Plants for Human Health Institute, Department of Food, Bioprocessing and Nutrition Sciences, North Carolina State University, Kannapolis, NC
| | - Magdalena M. Grabowska
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH,Department of Pharmacology, Case Western Reserve University, Cleveland, OH,Department of Urology, Case Western Reserve University, Cleveland, OH,Department of Biochemistry, Case Western Reserve University, Cleveland, OH
| | - Andrew P. Neilson
- Plants for Human Health Institute, Department of Food, Bioprocessing and Nutrition Sciences, North Carolina State University, Kannapolis, NC,Corresponding author: Dr. Andrew Neilson, , Plants for Human Health Institute, Department of Food, Bioprocessing and Nutrition Sciences, North Carolina State University, 600 Laureate Way, Kannapolis, NC 28081, 704-250-5495
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D’Aloia A, Arrigoni E, Costa B, Berruti G, Martegani E, Sacco E, Ceriani M. RalGPS2 Interacts with Akt and PDK1 Promoting Tunneling Nanotubes Formation in Bladder Cancer and Kidney Cells Microenvironment. Cancers (Basel) 2021; 13:cancers13246330. [PMID: 34944949 PMCID: PMC8699646 DOI: 10.3390/cancers13246330] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 12/01/2021] [Accepted: 12/14/2021] [Indexed: 12/30/2022] Open
Abstract
Simple Summary Cell-to-cell communication in the tumor microenvironment is a crucial process to orchestrate the different components of the tumoral infrastructure. Among the mechanisms of cellular interplay in cancer cells, tunneling nanotubes (TNTs) are dynamic connections that play an important role. The mechanism of the formation of TNTs among cells and the molecules involved in the process remain to be elucidated. In this study, we analyze several bladder cancer cell lines, representative of tumors at different stages and grades. We demonstrate that TNTs are formed only by mid or high-stage cell lines that show muscle-invasive properties and that they actively transport mitochondria and proteins. The formation of TNTs is triggered by stressful conditions and starts with the assembly of a specific multimolecular complex. In this study, we characterize some of the protein components of the TNTs complex, as they are potential novel molecular targets for future therapies aimed at counteracting tumor progression. Abstract RalGPS2 is a Ras-independent Guanine Nucleotide Exchange Factor for RalA GTPase that is involved in several cellular processes, including cytoskeletal organization. Previously, we demonstrated that RalGPS2 also plays a role in the formation of tunneling nanotubes (TNTs) in bladder cancer 5637 cells. In particular, TNTs are a novel mechanism of cell–cell communication in the tumor microenvironment, playing a central role in cancer progression and metastasis formation. However, the molecular mechanisms involved in TNTs formation still need to be fully elucidated. Here we demonstrate that mid and high-stage bladder cancer cell lines have functional TNTs, which can transfer mitochondria. Moreover, using confocal fluorescence time-lapse microscopy, we show in 5637 cells that TNTs mediate the trafficking of RalA protein and transmembrane MHC class III protein leukocyte-specific transcript 1 (LST1). Furthermore, we show that RalGPS2 is essential for nanotubes generation, and stress conditions boost its expression both in 5637 and HEK293 cell lines. Finally, we prove that RalGPS2 interacts with Akt and PDK1, in addition to LST1 and RalA, leading to the formation of a complex that promotes nanotubes formation. In conclusion, our findings suggest that in the tumor microenvironment, RalGPS2 orchestrates the assembly of multimolecular complexes that drive the formation of TNTs.
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Affiliation(s)
- Alessia D’Aloia
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy; (A.D.); (E.A.); (B.C.); (E.M.); (E.S.)
| | - Edoardo Arrigoni
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy; (A.D.); (E.A.); (B.C.); (E.M.); (E.S.)
| | - Barbara Costa
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy; (A.D.); (E.A.); (B.C.); (E.M.); (E.S.)
| | - Giovanna Berruti
- Department of Biosciences, University of Milan, Via Celoria 26, 20133 Milan, Italy;
| | - Enzo Martegani
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy; (A.D.); (E.A.); (B.C.); (E.M.); (E.S.)
- SYSBIO-ISBE-IT-Candidate National Node of Italy for ISBE, Research Infrastructure for Systems Biology Europe, 20126 Milan, Italy
| | - Elena Sacco
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy; (A.D.); (E.A.); (B.C.); (E.M.); (E.S.)
- SYSBIO-ISBE-IT-Candidate National Node of Italy for ISBE, Research Infrastructure for Systems Biology Europe, 20126 Milan, Italy
| | - Michela Ceriani
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy; (A.D.); (E.A.); (B.C.); (E.M.); (E.S.)
- Milan Center for Neuroscience (NeuroMI), University of Milano-Bicocca, Piazza dell’Ateneo Nuovo 1, 20126 Milano, Italy
- Correspondence: ; Tel.: +39-0264483544
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Ren S, Zhang N, Shen L, Lu Y, Chang Y, Lin Z, Sun N, Zhang Y, Xu J, Huang H, Jin H. Lnc00892 competes with c-Jun to block NCL transcription, reducing the stability of RhoA/RhoC mRNA and impairing bladder cancer invasion. Oncogene 2021; 40:6579-6589. [PMID: 34615995 DOI: 10.1038/s41388-021-02033-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Revised: 09/07/2021] [Accepted: 09/21/2021] [Indexed: 12/19/2022]
Abstract
Metastasis of bladder cancer is a complex process and has been associated with poor clinical outcomes. However, the mechanisms of bladder cancer metastasis remain largely unknown. The present study found that the long noncoding RNA lnc00892 was significantly downregulated in bladder cancer tissues, with low lnc00892 expression associated with poor prognosis of bladder cancer patients. Lnc00892 significantly inhibited the migration, invasion, and metastasis of bladder cancer cells in vitro and in vivo. In-depth analysis showed that RhoA/C acted downstream of lnc00892 to inhibit bladder cancer metastasis. Mechanistically, lnc00892 reduces nucleolin gene transcription by competitively binding the promoter of nucleolin with c-Jun, thereby inhibiting nucleolin-mediated stabilization of RhoA/RhoC mRNA. Taken together, these findings provide novel insights into understanding the mechanisms of bladder cancer metastasis and suggest that lnc00892 can serve as a potential therapeutic target in patients with invasive bladder cancer.
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Affiliation(s)
- Shuwei Ren
- Zhejiang Province Key Laboratory of Medical Genetics, Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
- Department of Clinical Laboratory, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Ning Zhang
- Zhejiang Province Key Laboratory of Medical Genetics, Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Liping Shen
- Zhejiang Province Key Laboratory of Medical Genetics, Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yongyong Lu
- Department of Urology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yixin Chang
- Zhejiang Province Key Laboratory of Medical Genetics, Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Zhenni Lin
- Zhejiang Province Key Laboratory of Medical Genetics, Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Ning Sun
- Zhejiang Province Key Laboratory of Medical Genetics, Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yuanmei Zhang
- Zhejiang Province Key Laboratory of Medical Genetics, Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jiheng Xu
- Zhejiang Province Key Laboratory of Medical Genetics, Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Haishan Huang
- Zhejiang Province Key Laboratory of Medical Genetics, Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Honglei Jin
- Zhejiang Province Key Laboratory of Medical Genetics, Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China.
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Afify H, Ghoneum A, Almousa S, Abdulfattah AY, Warren B, Langsten K, Gonzalez D, Casals R, Bharadwaj M, Kridel S, Said N. Metabolomic credentialing of murine carcinogen-induced urothelial cancer. Sci Rep 2021; 11:22085. [PMID: 34764423 PMCID: PMC8585868 DOI: 10.1038/s41598-021-99746-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 09/28/2021] [Indexed: 11/24/2022] Open
Abstract
Bladder cancer (BCa) is the most common malignancy of the urinary system with increasing incidence, mortality, and limited treatment options. Therefore, it is imperative to validate preclinical models that faithfully represent BCa cellular, molecular, and metabolic heterogeneity to develop new therapeutics. We performed metabolomic profiling of premalignant and non-muscle invasive bladder cancer (NMIBC) that ensued in the chemical carcinogenesis N-butyl-N-(4-hydroxybutyl)-nitrosamine (BBN) mouse model. We identified the enriched metabolic signatures that associate with premalignant and NMIBC. We found that enrichment of lipid metabolism is the forerunner of carcinogen-induced premalignant and NMIBC lesions. Cross-species analysis revealed the prognostic value of the enzymes associated with carcinogen-induced enriched metabolic in human disease. To date, this is the first study describing the global metabolomic profiles associated with early premalignant and NMIBC and provide evidence that these metabolomic signatures can be used for prognostication of human disease.
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Affiliation(s)
- Hesham Afify
- Department of Cancer Biology, Medical Center Boulevard, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
| | - Alia Ghoneum
- Department of Cancer Biology, Medical Center Boulevard, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
| | - Sameh Almousa
- Department of Cancer Biology, Medical Center Boulevard, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
| | - Ammar Yasser Abdulfattah
- Department of Cancer Biology, Medical Center Boulevard, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
| | - Bailey Warren
- Department of Cancer Biology, Medical Center Boulevard, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
| | - Kendall Langsten
- Department of Cancer Biology, Medical Center Boulevard, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
| | - Daniela Gonzalez
- Department of Cancer Biology, Medical Center Boulevard, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
| | - Randy Casals
- Department of Cancer Biology, Medical Center Boulevard, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
- Department of Urology, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
| | - Manish Bharadwaj
- Cell Analysis Division, Agilent Technologies, Inc, Santa Clara, CA, 95051, USA
| | - Steven Kridel
- Department of Cancer Biology, Medical Center Boulevard, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
- Department of Urology, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
- Wake Forest Baptist Comprehensive Cancer Center, Winston-Salem, NC, 27157, USA
| | - Neveen Said
- Department of Cancer Biology, Medical Center Boulevard, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA.
- Department of Urology, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA.
- Department of Pathology, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA.
- Wake Forest Baptist Comprehensive Cancer Center, Winston-Salem, NC, 27157, USA.
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Torab P, Yan Y, Ahmed M, Yamashita H, Warrick JI, Raman JD, DeGraff DJ, Wong PK. Intratumoral Heterogeneity Promotes Collective Cancer Invasion through NOTCH1 Variation. Cells 2021; 10:3084. [PMID: 34831307 PMCID: PMC8619970 DOI: 10.3390/cells10113084] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 10/29/2021] [Accepted: 11/08/2021] [Indexed: 12/20/2022] Open
Abstract
Cellular and molecular heterogeneity within tumors has long been associated with the progression of cancer to an aggressive phenotype and a poor prognosis. However, how such intratumoral heterogeneity contributes to the invasiveness of cancer is largely unknown. Here, using a tumor bioengineering approach, we investigate the interaction between molecular subtypes within bladder microtumors and the corresponding effects on their invasiveness. Our results reveal heterogeneous microtumors formed by multiple molecular subtypes possess enhanced invasiveness compared to individual cells, even when both cells are not invasive individually. To examine the molecular mechanism of intratumoral heterogeneity mediated invasiveness, live single cell biosensing, RNA interference, and CRISPR-Cas9 gene editing approaches were applied to investigate and control the composition of the microtumors. An agent-based computational model was also developed to evaluate the influence of NOTCH1 variation on DLL4 expression within a microtumor. The data indicate that intratumoral variation in NOTCH1 expression can lead to upregulation of DLL4 expression within the microtumor and enhancement of microtumor invasiveness. Overall, our results reveal a novel mechanism of heterogeneity mediated invasiveness through intratumoral variation of gene expression.
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Affiliation(s)
- Peter Torab
- Department of Mechanical Engineering, The Pennsylvania State University, University Park, PA 16802, USA;
| | - Yue Yan
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA; (Y.Y.); (M.A.)
| | - Mona Ahmed
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA; (Y.Y.); (M.A.)
| | - Hironobu Yamashita
- Department of Pathology and Laboratory Medicine, The Pennsylvania State University, Hershey, PA 17033, USA; (H.Y.); (J.I.W.); (D.J.D.)
| | - Joshua I. Warrick
- Department of Pathology and Laboratory Medicine, The Pennsylvania State University, Hershey, PA 17033, USA; (H.Y.); (J.I.W.); (D.J.D.)
- Penn State Health Milton S., Hershey Medical Center, Department of Surgery, Hershey, PA 17033, USA;
| | - Jay D. Raman
- Penn State Health Milton S., Hershey Medical Center, Department of Surgery, Hershey, PA 17033, USA;
| | - David J. DeGraff
- Department of Pathology and Laboratory Medicine, The Pennsylvania State University, Hershey, PA 17033, USA; (H.Y.); (J.I.W.); (D.J.D.)
- Penn State Health Milton S., Hershey Medical Center, Department of Surgery, Hershey, PA 17033, USA;
- Department of Biochemistry and Molecular Biology, The Pennsylvania State University, Hershey, PA 17033, USA
| | - Pak Kin Wong
- Department of Mechanical Engineering, The Pennsylvania State University, University Park, PA 16802, USA;
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA; (Y.Y.); (M.A.)
- Penn State Health Milton S., Hershey Medical Center, Department of Surgery, Hershey, PA 17033, USA;
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Komura K, Inamoto T, Tsujino T, Matsui Y, Konuma T, Nishimura K, Uchimoto T, Tsutsumi T, Matsunaga T, Maenosono R, Yoshikawa Y, Taniguchi K, Tanaka T, Uehara H, Hirata K, Hirano H, Nomi H, Hirose Y, Ono F, Azuma H. Increased BUB1B/BUBR1 expression contributes to aberrant DNA repair activity leading to resistance to DNA-damaging agents. Oncogene 2021; 40:6210-6222. [PMID: 34545188 PMCID: PMC8553621 DOI: 10.1038/s41388-021-02021-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 08/24/2021] [Accepted: 09/10/2021] [Indexed: 11/16/2022]
Abstract
There has been accumulating evidence for the clinical benefit of chemoradiation therapy (CRT), whereas mechanisms in CRT-recurrent clones derived from the primary tumor are still elusive. Herein, we identified an aberrant BUB1B/BUBR1 expression in CRT-recurrent clones in bladder cancer (BC) by comprehensive proteomic analysis. CRT-recurrent BC cells exhibited a cell-cycle-independent upregulation of BUB1B/BUBR1 expression rendering an enhanced DNA repair activity in response to DNA double-strand breaks (DSBs). With DNA repair analyses employing the CRISPR/cas9 system, we revealed that cells with aberrant BUB1B/BUBR1 expression dominantly exploit mutagenic nonhomologous end joining (NHEJ). We further found that phosphorylated ATM interacts with BUB1B/BUBR1 after ionizing radiation (IR) treatment, and the resistance to DSBs by increased BUB1B/BUBR1 depends on the functional ATM. In vivo, tumor growth of CRT-resistant T24R cells was abrogated by ATM inhibition using AZD0156. A dataset analysis identified FOXM1 as a putative BUB1B/BUBR1-targeting transcription factor causing its increased expression. These data collectively suggest a redundant role of BUB1B/BUBR1 underlying mutagenic NHEJ in an ATM-dependent manner, aside from the canonical activity of BUB1B/BUBR1 on the G2/M checkpoint, and offer novel clues to overcome CRT resistance.
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Affiliation(s)
- Kazumasa Komura
- Department of Urology, Osaka Medical and Pharmaceutical University, Osaka, 569-8686, Japan. .,Translational Research Program, Osaka Medical and Pharmaceutical University, Osaka, 569-8686, Japan.
| | - Teruo Inamoto
- Department of Urology, Osaka Medical and Pharmaceutical University, Osaka, 569-8686, Japan
| | - Takuya Tsujino
- Division of Urology, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, United States
| | - Yusuke Matsui
- Biomedical and Health Informatics Unit, Department of Integrated Health Science, Nagoya University Graduate School of Medicine, Nagoya, 461-8673, Japan.,Institute for Glyco-core Research (iGCORE), Nagoya University, Nagoya, 461-8673, Japan
| | - Tsuyoshi Konuma
- Graduate School of Medical Life Science, Yokohama City University, Yokohama, 230-0045, Japan
| | - Kazuki Nishimura
- Department of Urology, Osaka Medical and Pharmaceutical University, Osaka, 569-8686, Japan
| | - Taizo Uchimoto
- Department of Urology, Osaka Medical and Pharmaceutical University, Osaka, 569-8686, Japan
| | - Takeshi Tsutsumi
- Division of Urology, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, United States
| | - Tomohisa Matsunaga
- Department of Urology, Osaka Medical and Pharmaceutical University, Osaka, 569-8686, Japan
| | - Ryoichi Maenosono
- Department of Urology, Osaka Medical and Pharmaceutical University, Osaka, 569-8686, Japan
| | - Yuki Yoshikawa
- Department of Urology, Osaka Medical and Pharmaceutical University, Osaka, 569-8686, Japan
| | - Kohei Taniguchi
- Translational Research Program, Osaka Medical and Pharmaceutical University, Osaka, 569-8686, Japan
| | - Tomohito Tanaka
- Translational Research Program, Osaka Medical and Pharmaceutical University, Osaka, 569-8686, Japan
| | - Hirofumi Uehara
- Department of Urology, Osaka Medical and Pharmaceutical University, Osaka, 569-8686, Japan
| | - Koichi Hirata
- Department of Pathology, Osaka Medical and Pharmaceutical University, Osaka, 569-8686, Japan
| | - Hajime Hirano
- Department of Urology, Osaka Medical and Pharmaceutical University, Osaka, 569-8686, Japan
| | - Hayahito Nomi
- Department of Urology, Osaka Medical and Pharmaceutical University, Osaka, 569-8686, Japan
| | - Yoshinobu Hirose
- Department of Pathology, Osaka Medical and Pharmaceutical University, Osaka, 569-8686, Japan
| | - Fumihito Ono
- Translational Research Program, Osaka Medical and Pharmaceutical University, Osaka, 569-8686, Japan.,Department of Physiology, Osaka Medical and Pharmaceutical University, Osaka, 569-8686, Japan
| | - Haruhito Azuma
- Department of Urology, Osaka Medical and Pharmaceutical University, Osaka, 569-8686, Japan
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Kawano T, Tachibana Y, Inokuchi J, Kang JH, Murata M, Eto M. Identification of Activated Protein Kinase Cα (PKCα) in the Urine of Orthotopic Bladder Cancer Xenograft Model as a Potential Biomarker for the Diagnosis of Bladder Cancer. Int J Mol Sci 2021; 22:ijms22179276. [PMID: 34502182 PMCID: PMC8430461 DOI: 10.3390/ijms22179276] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 08/26/2021] [Accepted: 08/26/2021] [Indexed: 12/15/2022] Open
Abstract
Bladder cancer has a high recurrence rate; therefore, frequent and effective monitoring is essential for disease management. Cystoscopy is considered the gold standard for the diagnosis and continuous monitoring of bladder cancer. However, cystoscopy is invasive and relatively expensive. Thus, there is a need for non-invasive, relatively inexpensive urinary biomarker-based diagnoses of bladder cancer. This study aimed to investigate the presence of activated protein kinase Cα (PKCα) in urine samples and the possibility of PKCα as a urinary biomarker for bladder cancer diagnosis. Activated PKCα was found to be present at higher levels in bladder cancer tissues than in normal bladder tissues. Furthermore, high levels of activated PKCα were observed in urine samples collected from orthotopic xenograft mice carrying human bladder cancer cells compared to urine samples from normal mice. These results suggest that activated PKCα can be used as a urinary biomarker to diagnose bladder cancer. To the best of our knowledge, this is the first report describing the presence of activated PKCα in the urine of orthotopic xenograft mice.
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Affiliation(s)
- Takahito Kawano
- Center for Advanced Medical Innovation, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan; (T.K.); (Y.T.)
| | - Yoko Tachibana
- Center for Advanced Medical Innovation, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan; (T.K.); (Y.T.)
| | - Junichi Inokuchi
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
- Correspondence: (J.I.); (J.-H.K.); (M.M.); (M.E.)
| | - Jeong-Hun Kang
- Division of Biopharmaceutics and Pharmacokinetics, National Cerebral and Cardiovascular Center Research Institute, 6-1 Shinmachi, Kishibe, Suita, Osaka 564-8565, Japan
- Correspondence: (J.I.); (J.-H.K.); (M.M.); (M.E.)
| | - Masaharu Murata
- Center for Advanced Medical Innovation, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan; (T.K.); (Y.T.)
- Correspondence: (J.I.); (J.-H.K.); (M.M.); (M.E.)
| | - Masatoshi Eto
- Center for Advanced Medical Innovation, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan; (T.K.); (Y.T.)
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
- Correspondence: (J.I.); (J.-H.K.); (M.M.); (M.E.)
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Wang S, Cai J, Zhang S, Dong M, Zhang L, Xu Y, Shen B, Chen S. Loss of polarity protein Par3, via transcription factor Snail, promotes bladder cancer metastasis. Cancer Sci 2021; 112:2625-2641. [PMID: 33931921 PMCID: PMC8253273 DOI: 10.1111/cas.14920] [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: 01/30/2021] [Revised: 04/01/2021] [Accepted: 04/08/2021] [Indexed: 12/20/2022] Open
Abstract
Bladder cancer (BLCA) remains the leading cause of cancer‐related mortality among genitourinary malignancies worldwide. BLCA metastasis represents the primary reason for its poor prognosis. In this study, we report that decreased expression of partitioning defective 3 (Par3), a polarity protein (encoded by PARD3), is associated with tumor aggressive phenotypes and poor prognosis in BLCA patients. Consistently, ablation of Par3 promotes the metastasis and invasion of BLCA cells in vitro and in vivo. Further studies reveal that zinc finger protein Snail represses the expression of Par3 by binding to E2‐box (CAGGTG) of PARD3 promoter‐proximal. Inhibition of GSK‐3β promotes the expression and nuclear localization of Snail and then reduces the expression of Par3, resulting in the metastasis and invasion of BLCA cells. Moreover, we detected the interaction between Par3 (936‐1356 aa) and ZO‐1 (1372‐1748 aa), which is involved in the maintenance of tight junction. Together, our results demonstrate that the GSK‐3β/Snail/Par3/ZO‐1 axis regulates BLCA metastasis, and Snail is a major regulator for Par3 protein expression in BLCA.
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Affiliation(s)
- Shenyi Wang
- NHC Key Laboratory of Glycoconjugate Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Jinming Cai
- Department of Urology, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Si Zhang
- NHC Key Laboratory of Glycoconjugate Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Mingwei Dong
- NHC Key Laboratory of Glycoconjugate Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Li Zhang
- NHC Key Laboratory of Glycoconjugate Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Yingying Xu
- NHC Key Laboratory of Glycoconjugate Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Bing Shen
- Department of Urology, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - She Chen
- NHC Key Laboratory of Glycoconjugate Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
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40
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Jou YC, Lin GL, Lin HY, Huang WH, Chuang YM, Lin RI, Chen PC, Wu SF, Shen CH, Chan MWY. Cyproheptadine, an epigenetic modifier, exhibits anti-tumor activity by reversing the epigenetic silencing of IRF6 in urothelial carcinoma. Cancer Cell Int 2021; 21:226. [PMID: 33874979 PMCID: PMC8054409 DOI: 10.1186/s12935-021-01925-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 04/07/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Urothelial carcinoma (UC) is the second most common malignancy of the urinary system with high rate of recurrence, UC patients therefore needed to be treated with surgery followed by chemotherapy. Development of novel therapeutics with minimal side-effect is an urgent issue. Our previous study showed that cyproheptadine (CPH), an anti-histamine, exhibited antitumor activity in UC in vitro and in an xenograft model. However, the molecular mechanism of how CPH inhibits tumor progression is not fully understood. METHODS Genes that were upregulated after treatment with CPH in UC cells, were examined by RNA-Seq. Real-time quantitative PCR (RT-qPCR) was employed to detect IRF6 expression while COBRA assay and bisulphite pyrosequencing were used to examine promoter methylation of IRF6. Enrichment of total H3K27 acetylation and H3K4 mono-methylation were detected by western blotting. Colony formation and flow cytometry were used to examine proliferation and apoptosis in UC cells overexpressed or depleted with IRF6. Nude mice xenograft model was used to examine the effect of IRF6 in UC. RESULTS Our result showed that several genes, including IRF6 were upregulated after treatment with CPH in BFTC905 UC cells. Further experiments found that treatment of CPH could restore the expression of IRF6 in several other UC cell lines, probably due to promoter hypomethylation and enrichment of H3K27 acetylation and H3K4 mono-methylation. These results may be due to the fact that CPH could alter the activity, but not the expression of epigenetic modifiers. Finally, re-expression of IRF6 in UC inhibited tumor growth in vitro and in an xenograft mouse model, by inducing apoptosis. CONCLUSION In conclusion, our results suggested that CPH may be an epigenetic modifier, modulating the expression of the potential tumor suppressor IRF6, in inhibiting tumor growth in UC.
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Affiliation(s)
- Yeong-Chin Jou
- Department of Urology, Ditmanson Medical Foundation, Chiayi Christian Hospital, Chiayi, Taiwan
- Department of Health and Nutrition Biotechnology, Asia University, Taichung, Taiwan
| | - Guan-Ling Lin
- Department of Biomedical Sciences, National Chung Cheng University, Min-Hsiung, Chia-Yi, Taiwan
| | - Hon-Yi Lin
- Department of Radiation Oncology, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Dalin, Chia-Yi, Taiwan
| | - Wan-Hong Huang
- Department of Biomedical Sciences, National Chung Cheng University, Min-Hsiung, Chia-Yi, Taiwan
- Epigenomics and Human Disease Research Center, National Chung Cheng University, Min-Hsiung, Chia-Yi, Taiwan
| | - Yu-Ming Chuang
- Department of Biomedical Sciences, National Chung Cheng University, Min-Hsiung, Chia-Yi, Taiwan
- Epigenomics and Human Disease Research Center, National Chung Cheng University, Min-Hsiung, Chia-Yi, Taiwan
| | - Ru-Inn Lin
- Department of Radiation Oncology, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Dalin, Chia-Yi, Taiwan
| | - Pie-Che Chen
- Department of Urology, Ditmanson Medical Foundation, Chiayi Christian Hospital, Chiayi, Taiwan
| | - Shu-Fen Wu
- Department of Biomedical Sciences, National Chung Cheng University, Min-Hsiung, Chia-Yi, Taiwan
- Epigenomics and Human Disease Research Center, National Chung Cheng University, Min-Hsiung, Chia-Yi, Taiwan
| | - Cheng-Huang Shen
- Department of Urology, Ditmanson Medical Foundation, Chiayi Christian Hospital, Chiayi, Taiwan.
| | - Michael W Y Chan
- Department of Biomedical Sciences, National Chung Cheng University, Min-Hsiung, Chia-Yi, Taiwan.
- Epigenomics and Human Disease Research Center, National Chung Cheng University, Min-Hsiung, Chia-Yi, Taiwan.
- Center for Innovative Research on Aging Society (CIRAS), National Chung Cheng University, Min-Hsiung, Chia-Yi, Taiwan.
- Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
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41
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Reyes RM, Deng Y, Zhang D, Ji N, Mukherjee N, Wheeler K, Gupta HB, Padron AS, Kancharla A, Zhang C, Garcia M, Kornepati AVR, Boyman O, Conejo-Garcia JR, Svatek RS, Curiel TJ. CD122-directed interleukin-2 treatment mechanisms in bladder cancer differ from αPD-L1 and include tissue-selective γδ T cell activation. J Immunother Cancer 2021; 9:e002051. [PMID: 33849925 PMCID: PMC8051418 DOI: 10.1136/jitc-2020-002051] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/31/2020] [Indexed: 11/03/2022] Open
Abstract
BACKGROUND Anti-programmed death-ligand 1 (αPD-L1) immunotherapy is approved to treat bladder cancer (BC) but is effective in <30% of patients. Interleukin (IL)-2/αIL-2 complexes (IL-2c) that preferentially target IL-2 receptor β (CD122) augment CD8+ antitumor T cells known to improve αPD-L1 efficacy. We hypothesized that the tumor microenvironment, including local immune cells in primary versus metastatic BC, differentially affects immunotherapy responses and that IL-2c effects could differ from, and thus complement αPD-L1. METHODS We studied mechanisms of IL-2c and αPD-L1 efficacy using PD-L1+ mouse BC cell lines MB49 and MBT-2 in orthotopic (bladder) and metastatic (lung) sites. RESULTS IL-2c reduced orthotopic tumor burden and extended survival in MB49 and MBT-2 BC models, similar to αPD-L1. Using antibody-mediated cell depletions and genetically T cell-deficient mice, we unexpectedly found that CD8+ T cells were not necessary for IL-2c efficacy against tumors in bladder, whereas γδ T cells, not reported to contribute to αPD-L1 efficacy, were indispensable for IL-2c efficacy there. αPD-L1 responsiveness in bladder required conventional T cells as expected, but not γδ T cells, altogether defining distinct mechanisms for IL-2c and αPD-L1 efficacy. γδ T cells did not improve IL-2c treatment of subcutaneously challenged BC or orthotopic (peritoneal) ovarian cancer, consistent with tissue-specific and/or tumor-specific γδ T cell contributions to IL-2c efficacy. IL-2c significantly altered bladder intratumoral γδ T cell content, activation status, and specific γδ T cell subsets with antitumor or protumor effector functions. Neither IL-2c nor αPD-L1 alone treated lung metastatic MB49 or MBT-2 BC, but their combination improved survival in both models. Combination treatment efficacy in lungs required CD8+ T cells but not γδ T cells. CONCLUSIONS Mechanistic insights into differential IL-2c and αPD-L1 treatment and tissue-dependent effects could help develop rational combination treatment strategies to improve treatment efficacy in distinct cancers. These studies also provide insights into γδ T cell contributions to immunotherapy in bladder and engagement of adaptive immunity by IL-2c plus αPD-L1 to treat refractory lung metastases.
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Affiliation(s)
- Ryan Michael Reyes
- South Texas Medical Scientist Training Program, University of Texas Health San Antonio, San Antonio, Texas, USA
- Mays Cancer Center, University of Texas Health San Antonio, San Antonio, Texas, USA
| | - Yilun Deng
- Division of Hematology/Oncology, Department of Medicine, University of Texas Health San Antonio, San Antonio, Texas, USA
| | - Deyi Zhang
- Division of Hematology/Oncology, Department of Medicine, University of Texas Health San Antonio, San Antonio, Texas, USA
- National Heart, Blood, and Lung Institute, National Institutes of Health, Bethesda, MD, USA
| | - Niannian Ji
- Department of Urology, University of Texas Health San Antonio, San Antonio, Texas, USA
| | - Neelam Mukherjee
- Department of Urology, University of Texas Health San Antonio, San Antonio, Texas, USA
| | - Karen Wheeler
- Department of Urology, University of Texas Health San Antonio, San Antonio, Texas, USA
| | - Harshita B Gupta
- Division of Hematology/Oncology, Department of Medicine, University of Texas Health San Antonio, San Antonio, Texas, USA
| | - Alvaro S Padron
- Division of Hematology/Oncology, Department of Medicine, University of Texas Health San Antonio, San Antonio, Texas, USA
| | - Aravind Kancharla
- Division of Hematology/Oncology, Department of Medicine, University of Texas Health San Antonio, San Antonio, Texas, USA
| | - Chenghao Zhang
- Division of Hematology/Oncology, Department of Medicine, University of Texas Health San Antonio, San Antonio, Texas, USA
| | - Myrna Garcia
- South Texas Medical Scientist Training Program, University of Texas Health San Antonio, San Antonio, Texas, USA
| | - Anand V R Kornepati
- South Texas Medical Scientist Training Program, University of Texas Health San Antonio, San Antonio, Texas, USA
| | - Onur Boyman
- Department of Immunology, University Hospital Zurich, and Faculty of Medicine, University of Zurich, Zurich, Switzerland
| | | | - Robert S Svatek
- Mays Cancer Center, University of Texas Health San Antonio, San Antonio, Texas, USA
- Department of Urology, University of Texas Health San Antonio, San Antonio, Texas, USA
| | - Tyler J Curiel
- Mays Cancer Center, University of Texas Health San Antonio, San Antonio, Texas, USA
- Division of Hematology/Oncology, Department of Medicine, University of Texas Health San Antonio, San Antonio, Texas, USA
- Clayton Foundation for Research, Houston, Texas, USA
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Chan KM, Gleadle J, Li J, Michl TD, Vasilev K, MacGregor M. Improving hexaminolevulinate enabled cancer cell detection in liquid biopsy immunosensors. Sci Rep 2021; 11:7283. [PMID: 33790357 PMCID: PMC8012578 DOI: 10.1038/s41598-021-86649-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 03/16/2021] [Indexed: 12/17/2022] Open
Abstract
Hexaminolevulinate (HAL) induced Protoporphyrin IX (PpIX) fluorescence is commonly used to differentiate cancer cells from normal cells in vivo, as for instance in blue light cystoscopy for bladder cancer diagnosis. A detailed approach is here provided to use this diagnostic principle ex vivo in an immunosensor device, towards enabling non-invasive cancer diagnostic from body fluids, such as urine. Several factors susceptible to affect the applicability of HAL-assisted diagnosis in body fluids were tested. These included the cell viability and its impact on PpIX fluorescence, the storage condition and shelf life of HAL premix reagent, light exposure (360–450 nm wavelengths) and its corresponding effect on both intensity and bleaching of the PpIX fluorescence as a function of the microscopy imaging conditions. There was no significant decrease in the viability of bladder cancer cells after 6 h at 4 °C (student’s t-test: p > 0.05). The cellular PpIX fluorescence decreased in a time-dependent manner when cancer cells were kept at 4 °C for extended period of time, though this didn’t significantly reduce the fluorescence intensity contrast between cancer and non-cancer cells kept in the same condition for 6 h. HAL premix reagent kept in long term storage at 4 °C induced stronger PpIX fluorescence than reagent kept in the − 20 °C freezer. The PpIX fluorescence was negatively affected by repeated light exposure but increased with illumination intensity and exposure time. Though this applied to both healthy and cancer cell lines, and therefore did not statistically improved the differentiation between cell types. This study revealed important experimental settings that need to be carefully considered to benefit from the analytical potential of HAL induced fluorescence when used in technologies for the diagnosis of cancer from body fluids.
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Affiliation(s)
- Kit Man Chan
- Department of Engineering, UniSA STEM, University of South Australia, Mawson Lakes, SA, 5095, Australia
| | - Jonathan Gleadle
- Department of Renal Medicine, Flinders Medical Centre, Bedford Park, SA, 5042, Australia.,College of Medicine and Public Health, Flinders University, Bedford Park, SA, 5042, Australia
| | - Jordan Li
- Department of Renal Medicine, Flinders Medical Centre, Bedford Park, SA, 5042, Australia.,College of Medicine and Public Health, Flinders University, Bedford Park, SA, 5042, Australia
| | - Thomas Danny Michl
- Department of Engineering, UniSA STEM, University of South Australia, Mawson Lakes, SA, 5095, Australia
| | - Krasimir Vasilev
- Future Industries Institute, UniSA STEM, University of South Australia, Mawson Lakes, SA, 5095, Australia
| | - Melanie MacGregor
- Future Industries Institute, UniSA STEM, University of South Australia, Mawson Lakes, SA, 5095, Australia.
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Zhang D, Reyes RM, Osta E, Kari S, Gupta HB, Padron AS, Kornepati AVR, Kancharla A, Sun X, Deng Y, Wu B, Vadlamudi R, Li R, Svatek RS, Curiel TJ. Bladder cancer cell-intrinsic PD-L1 signals promote mTOR and autophagy activation that can be inhibited to improve cytotoxic chemotherapy. Cancer Med 2021; 10:2137-2152. [PMID: 33626233 PMCID: PMC7957205 DOI: 10.1002/cam4.3739] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/16/2020] [Accepted: 12/20/2020] [Indexed: 12/16/2022] Open
Abstract
Tumor cell-intrinsic programmed death-ligand 1 (PD-L1) signals mediate immunopathologic effects in breast, colon, and ovarian cancers and in melanomas, but bladder cancer (BC) effects are unreported. We show here that BC cell-intrinsic PD-L1 signals in mouse MB49 and human RT4, UM-UC3, and UM-UC-14 BC cells regulate important pathologic pathways and processes, including effects not reported in other cancers. α-PD-L1 antibodies reduced BC cell proliferation in vitro, demonstrating direct signaling effects. BC cell-intrinsic PD-L1 promoted mammalian target of rapamycin complex 1 (mTORC1) signals in vitro and augmented in vivo immune-independent cell growth and metastatic cancer spread, similar to effects we reported in melanoma and ovarian cancer. BC cell-intrinsic PD-L1 signals also promoted basal and stress-induced autophagy, whereas these signals inhibited autophagy in melanoma and ovarian cancer cells. BC cell-intrinsic PD-L1 also mediated chemotherapy resistance to the commonly used BC chemotherapy agents cis-platinum and gemcitabine and to the mTORC1 inhibitor, rapamycin. Thus, BC cell-intrinsic PD-L1 signals regulate important virulence and treatment resistance pathways that suggest novel, actionable treatment targets meriting additional studies. As a proof-of-concept, we showed that the autophagy inhibitor chloroquine improved cis-platinum treatment efficacy in vivo, with greater efficacy in PD-L1 null versus PD-L1-replete BC.
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Affiliation(s)
- Deyi Zhang
- Department of MedicineUniversity of Texas HealthSan AntonioTXUSA
- Present address:
National Institutes of HealthBethesdaMDUSA
| | - Ryan M. Reyes
- Graduate School of Biomedical SciencesUniversity of Texas HealthSan AntonioTXUSA
- Department of Microbiology, Immunology and Molecular GeneticsUniversity Texas HealthSan AntonioTXUSA
- Mays Cancer Center, University of Texas HealthSan AntonioTXUSA
| | - Erica Osta
- Graduate School of Biomedical SciencesUniversity of Texas HealthSan AntonioTXUSA
- Department of Microbiology, Immunology and Molecular GeneticsUniversity Texas HealthSan AntonioTXUSA
| | - Suresh Kari
- Department of MedicineUniversity of Texas HealthSan AntonioTXUSA
| | | | - Alvaro S. Padron
- Department of MedicineUniversity of Texas HealthSan AntonioTXUSA
| | - Anand V. R. Kornepati
- Graduate School of Biomedical SciencesUniversity of Texas HealthSan AntonioTXUSA
- Department of Microbiology, Immunology and Molecular GeneticsUniversity Texas HealthSan AntonioTXUSA
| | | | - Xiujie Sun
- Department of MedicineUniversity of Texas HealthSan AntonioTXUSA
- Present address:
Department of Biochemistry & Molecular MedicineSchool of Medicine & Health SciencesThe George Washington UniversityWashingtonDCUSA
| | - Yilun Deng
- Department of MedicineUniversity of Texas HealthSan AntonioTXUSA
| | - Bogang Wu
- Department of Molecular MedicineUniversity of Texas HealthSan AntonioTXUSA
- Present address:
Department of Biochemistry & Molecular MedicineSchool of Medicine & Health SciencesThe George Washington UniversityWashingtonDCUSA
| | - Ratna Vadlamudi
- Mays Cancer Center, University of Texas HealthSan AntonioTXUSA
- Department of Obstetrics and GynecologyUniversity of Texas Health Science CenterSan AntonioTXUSA
| | - Rong Li
- Mays Cancer Center, University of Texas HealthSan AntonioTXUSA
- Department of Molecular MedicineUniversity of Texas HealthSan AntonioTXUSA
- Present address:
Department of Biochemistry & Molecular MedicineSchool of Medicine & Health SciencesThe George Washington UniversityWashingtonDCUSA
| | - Robert S. Svatek
- Mays Cancer Center, University of Texas HealthSan AntonioTXUSA
- Department of UrologyUniversity of Texas Health Science CenterSan AntonioTXUSA
| | - Tyler J. Curiel
- Department of MedicineUniversity of Texas HealthSan AntonioTXUSA
- Graduate School of Biomedical SciencesUniversity of Texas HealthSan AntonioTXUSA
- Department of Microbiology, Immunology and Molecular GeneticsUniversity Texas HealthSan AntonioTXUSA
- Mays Cancer Center, University of Texas HealthSan AntonioTXUSA
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44
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Tran L, Xiao JF, Agarwal N, Duex JE, Theodorescu D. Advances in bladder cancer biology and therapy. Nat Rev Cancer 2021; 21:104-121. [PMID: 33268841 PMCID: PMC10112195 DOI: 10.1038/s41568-020-00313-1] [Citation(s) in RCA: 305] [Impact Index Per Article: 101.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/21/2020] [Indexed: 12/26/2022]
Abstract
The field of research in bladder cancer has seen significant advances in recent years. Next-generation sequencing has identified the genes most mutated in bladder cancer. This wealth of information allowed the definition of driver mutations, and identification of actionable therapeutic targets, as well as a clearer picture of patient prognosis and therapeutic direction. In a similar vein, our understanding of the cellular aspects of bladder cancer has grown. The identification of the cellular geography and the populations of different cell types and quantifications of normal and abnormal cell types in tumours provide a better prediction of therapeutic response. Non-invasive methods of diagnosis, including liquid biopsies, have seen major advances as well. These methods will likely find considerable utility in assessing minimal residual disease following treatment and for early-stage diagnosis. A significant therapeutic impact on patients with bladder cancer is found in the use of immune checkpoint inhibitor therapeutics. These therapeutics have been shown to cure some patients with bladder cancer and significantly decrease adverse events. These developments provide patients with better monitoring opportunities, unique therapeutic options and greater hope for prolonged survival.
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Affiliation(s)
- Linda Tran
- Department of Surgery (Urology), Cedars-Sinai Medical Center, Los Angeles, CA, USA
- Cedars-Sinai Samuel Oschin Comprehensive Cancer Institute, Los Angeles, CA, USA
| | - Jin-Fen Xiao
- Department of Surgery (Urology), Cedars-Sinai Medical Center, Los Angeles, CA, USA
- Cedars-Sinai Samuel Oschin Comprehensive Cancer Institute, Los Angeles, CA, USA
| | - Neeraj Agarwal
- Cedars-Sinai Samuel Oschin Comprehensive Cancer Institute, Los Angeles, CA, USA
- Department of Medicine (Hematology/Oncology), Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Jason E Duex
- Cedars-Sinai Samuel Oschin Comprehensive Cancer Institute, Los Angeles, CA, USA
| | - Dan Theodorescu
- Department of Surgery (Urology), Cedars-Sinai Medical Center, Los Angeles, CA, USA.
- Cedars-Sinai Samuel Oschin Comprehensive Cancer Institute, Los Angeles, CA, USA.
- Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA.
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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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In Vitro Spectroscopy-Based Profiling of Urothelial Carcinoma: A Fourier Transform Infrared and Raman Imaging Study. Cancers (Basel) 2021; 13:cancers13010123. [PMID: 33401726 PMCID: PMC7796146 DOI: 10.3390/cancers13010123] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 12/17/2020] [Accepted: 12/21/2020] [Indexed: 11/21/2022] Open
Abstract
Simple Summary The mortality and recurrence associated with urothelial carcinoma are high. High heterogeneity makes it hard to detect with currently available methods such as cytology and histology. We propose here vibrational spectroscopic imaging as an additional diagnostic tool for the classification of bladder cancer. Our study revealed that chemism-induced spectroscopic features of the cancer cells of various stages and invasiveness were specifically detected. Abstract Markers of bladder cancer cells remain elusive, which is a major cause of the low recognition of this malignant neoplasm and its recurrence. This implies an urgent need for additional diagnostic tools which are based on the identification of the chemism of bladder cancer. In this study, we employed label-free techniques of molecular imaging—Fourier Transform Infrared and Raman spectroscopic imaging—to investigate bladder cancer cell lines of various invasiveness (T24a, T24p, HT-1376, and J82). The urothelial HCV-29 cell line was the healthy control. Specific biomolecules discriminated spatial distribution of the nucleus and cytoplasm and indicated the presence of lipid bodies and graininess in some cell lines. The most prominent discriminators are the total content of lipids and sugar moieties as well as the presence of glycogen and other carbohydrates, un/saturated lipids, cytochromes, and a level of S-S bridges in proteins. The combination of the obtained hyperspectral database and chemometric methods showed a clear differentiation of each cell line at the level of the nuclei and cytoplasm and pointed out spectral signals which differentiated bladder cancer cells. Registered spectral markers correlated with biochemical composition changes can be associated with pathogenesis and potentially used for the diagnosis of bladder cancer and response to experimental therapies.
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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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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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Organoid model of urothelial cancer: establishment and applications for bladder cancer research. Biotechniques 2020; 69:193-199. [PMID: 32654505 DOI: 10.2144/btn-2020-0068] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
3D cancer cell models are suitable for drug evaluation because they more precisely mimic tissue architecture than 2D cultures. To study cytotoxicity of anticancer agents, the most sensitive CellTiter-Glo 3D assay is used. However, this is an end point assay, so it is not possible to consider the variance of the starting material amount in the final reading. It is difficult to maintain an even plating density of 3D organoids for cytotoxicity analysis. We present a simple, 3D bladder cancer culture that can be maintained, cryopreserved and used for molecular and drug response studies. We applied a simple modification of the drug response assay for 3D cultures by measuring the background signal with the CellTiter Blue assay before drug application.
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