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Andrade DL, Jalalizadeh M, Salustiano ACC, Reis LO. Bladder cancer immunomodulatory effects of intravesical Nitazoxanide, Rapamycin, Thalidomide and Bacillus Calmette-Guérin (BCG). World J Urol 2023; 41:2375-2380. [PMID: 37470811 DOI: 10.1007/s00345-023-04526-5] [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: 03/22/2023] [Accepted: 07/10/2023] [Indexed: 07/21/2023] Open
Abstract
PURPOSE To understand the effect of Nitazoxanide (NTZ), Rapamycin, Thalidomide, alone and in combination with BCG on bladder cancer (BC) histopathology and programmed death-ligand 1 (PD-L1) and anti-cytotoxic T lymphocyte antigen 4 (CTLA4) expression. METHODS Female Fisher-344 rats underwent intravesical N-methyl-N-nitrosourea (MNU) followed by weekly intravesical treatment with saline (controls, n = 10), BCG (n = 10), NTZ (n = 8), BCG plus NTZ (n = 8), Rapamycin (n = 10) BCG plus Rapamycin (n = 10), Thalidomide (n = 10), and BCG plus Thalidomide (n = 10), and euthanized after 8 weeks and their bladders were investigated for BC and PD-L1 and CTLA4 expression. RESULTS Rapamicyn alone and in combination with BCG had the lowest number of bladder neoplasias in the histopathology exam (1/10). Neoplastic lesions were found in 4/10 BCG recipients, 5/10 Thalidomide recipients, 4/10 Thalidomide plus BCG recipients, 5/8 NTZ and 3/8 NTZ plus BCG recipients. Adding NTZ to BCG increased the expression of PD-L1 and adding Rapamycin or Thalidomide decreased PD-L1 and CTLA4 expression compared to BCG alone. Rapamycin alone significantly increased CTLA4 and slightly increased PD-L1 expression but its combination with BCG significantly decreased both markers. Thalidomide had a similar effect; however, it was only slightly different from the control and BCG alone groups. CONCLUSION Intravesical BCG combination treatment seems to effectively prevent BC development in an immunecompetent clinically relevant animal model, introducing Thalidomide, Nitazoxanide, and specially Rapamycin as candidates in the intravesical immunotherapy advancement. Our study contributes in understanding the mechanism of cancer immunotherapy.
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Affiliation(s)
- Danilo L Andrade
- UroScience and Department of Urology, Faculty of Medical Sciences, State University of Campinas-UNICAMP, Campinas, São Paulo, Brazil
| | - Mehrsa Jalalizadeh
- UroScience and Department of Urology, Faculty of Medical Sciences, State University of Campinas-UNICAMP, Campinas, São Paulo, Brazil
| | - Ana Clara C Salustiano
- UroScience and Department of Urology, Faculty of Medical Sciences, State University of Campinas-UNICAMP, Campinas, São Paulo, Brazil
| | - Leonardo O Reis
- UroScience and Department of Urology, Faculty of Medical Sciences, State University of Campinas-UNICAMP, Campinas, São Paulo, Brazil.
- Urologic Oncology Department, School of Life Sciences, Pontifical Catholic University of Campinas, PUC-Campinas, Av. John Boyd Dunlop-Jardim Ipaussurama, Campinas, São Paulo, 13034-685, Brazil.
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Hemmati-Dinarvand M, Ahmadvand H, Seghatoleslam A. Nitazoxanide and Cancer Drug Resistance: Targeting Wnt/β-catenin Signaling Pathway. Arch Med Res 2021; 53:263-270. [DOI: 10.1016/j.arcmed.2021.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 11/24/2021] [Accepted: 12/07/2021] [Indexed: 11/02/2022]
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Smyth R, Sun J. Protein Kinase R in Bacterial Infections: Friend or Foe? Front Immunol 2021; 12:702142. [PMID: 34305942 PMCID: PMC8297547 DOI: 10.3389/fimmu.2021.702142] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 06/28/2021] [Indexed: 12/28/2022] Open
Abstract
The global antimicrobial resistance crisis poses a significant threat to humankind in the coming decades. Challenges associated with the development of novel antibiotics underscore the urgent need to develop alternative treatment strategies to combat bacterial infections. Host-directed therapy is a promising new therapeutic strategy that aims to boost the host immune response to bacteria rather than target the pathogen itself, thereby circumventing the development of antibiotic resistance. However, host-directed therapy depends on the identification of druggable host targets or proteins with key functions in antibacterial defense. Protein Kinase R (PKR) is a well-characterized human kinase with established roles in cancer, metabolic disorders, neurodegeneration, and antiviral defense. However, its role in antibacterial defense has been surprisingly underappreciated. Although the canonical role of PKR is to inhibit protein translation during viral infection, this kinase senses and responds to multiple types of cellular stress by regulating cell-signaling pathways involved in inflammation, cell death, and autophagy - mechanisms that are all critical for a protective host response against bacterial pathogens. Indeed, there is accumulating evidence to demonstrate that PKR contributes significantly to the immune response to a variety of bacterial pathogens. Importantly, there are existing pharmacological modulators of PKR that are well-tolerated in animals, indicating that PKR is a feasible target for host-directed therapy. In this review, we provide an overview of immune cell functions regulated by PKR and summarize the current knowledge on the role and functions of PKR in bacterial infections. We also review the non-canonical activators of PKR and speculate on the potential mechanisms that trigger activation of PKR during bacterial infection. Finally, we provide an overview of existing pharmacological modulators of PKR that could be explored as novel treatment strategies for bacterial infections.
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Affiliation(s)
- Robin Smyth
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON, Canada
| | - Jim Sun
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON, Canada
- Centre for Infection, Immunity and Inflammation, University of Ottawa, Ottawa, ON, Canada
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Ossick MV, Assalin HB, Kiehl IGA, Salustiano ACC, Rocha GZ, Ferrari KL, Linarelli MCB, Degasperi G, Reis LO. Carcinogenesis and Bacillus Calmette-Guérin (BCG) Intravesical Treatment of Non-Muscle-Invasive Bladder Cancer under Tryptophan and Thymine Supplementation. Nutr Cancer 2020; 73:2687-2694. [PMID: 33287590 DOI: 10.1080/01635581.2020.1856389] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 10/05/2020] [Accepted: 11/05/2020] [Indexed: 01/14/2023]
Abstract
PURPOSE Evaluate tryptophan and thymine (TT) impact on carcinogenesis and intravesical BCG bladder cancer treatment. METHODS After identification of TT in vitro inhibitory effect in multiple cancer cell cultures, bladder cancer animal model was induced by MNU intravesical instillations and randomized into four groups: Control (n = 9), BCG (n = 9), TT (n = 7), and BCG + TT (n = 8). BCG groups received intravesical 106 CFU BCG in 0.2 ml saline for 6 consecutive weeks and TT groups received 1 g/kg (1:1) of TT via daily gavage. After 15 wk of protocol, animals were euthanized and the urinary bladders submitted to histopathology, immunohistochemistry, and Western blotting. RESULTS Urothelial cancer was identified in 100%, 85.7%, 44.5%, and 37.5% of Control, TT, BCG, and BCG + TT groups, respectively. Cell proliferation marked by nuclear Ki-67 was higher in the Control compared to animals in the other groups (P = 0.03). BCG, TT, and BCG + TT groups showed proliferative cell decline and TLR4/5 labeling increase in the urothelium. BCG decreased the urothelial VEGF labeling, even in TT association. CONCLUSION TT inhibit urothelial carcinogenesis and potentiate the intravesical BCG in the treatment of bladder cancer by reducing cell proliferation and activating TLRs.
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Affiliation(s)
- Marina V Ossick
- Department of UroScience, School of Medical Sciences, University of Campinas, Unicamp, Campinas, São Paulo, Brazil
| | - Heloisa B Assalin
- Department of UroScience, School of Medical Sciences, University of Campinas, Unicamp, Campinas, São Paulo, Brazil
| | - Isis G A Kiehl
- Department of UroScience, School of Medical Sciences, University of Campinas, Unicamp, Campinas, São Paulo, Brazil
| | - Ana C C Salustiano
- Department of UroScience, School of Medical Sciences, University of Campinas, Unicamp, Campinas, São Paulo, Brazil
| | - Guilherme Zweig Rocha
- Department of UroScience, School of Medical Sciences, University of Campinas, Unicamp, Campinas, São Paulo, Brazil
| | - Karen L Ferrari
- Department of UroScience, School of Medical Sciences, University of Campinas, Unicamp, Campinas, São Paulo, Brazil
| | - Maria C B Linarelli
- Department of UroScience, Pontifical Catholic University of Campinas (PUC-Campinas), Campinas, São Paulo, Brazil
| | - Giovanna Degasperi
- Department of UroScience, Pontifical Catholic University of Campinas (PUC-Campinas), Campinas, São Paulo, Brazil
| | - Leonardo O Reis
- Department of UroScience, School of Medical Sciences, University of Campinas, Unicamp, Campinas, São Paulo, Brazil
- Department of UroScience, Pontifical Catholic University of Campinas (PUC-Campinas), Campinas, São Paulo, Brazil
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Mokou M, Lygirou V, Angelioudaki I, Paschalidis N, Stroggilos R, Frantzi M, Latosinska A, Bamias A, Hoffmann MJ, Mischak H, Vlahou A. A Novel Pipeline for Drug Repurposing for Bladder Cancer Based on Patients' Omics Signatures. Cancers (Basel) 2020; 12:E3519. [PMID: 33255925 PMCID: PMC7759896 DOI: 10.3390/cancers12123519] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 11/19/2020] [Accepted: 11/20/2020] [Indexed: 12/24/2022] Open
Abstract
Multi-omics signatures of patients with bladder cancer (BC) can guide the identification of known de-risked therapeutic compounds through drug repurposing, an approach not extensively explored yet. In this study, we target drug repurposing in the context of BC, driven by tissue omics signatures. To identify compounds that can reverse aggressive high-risk Non-Muscle Invasive BC (NMIBC) to less aggressive low-risk molecular subtypes, the next generation Connectivity Map (CMap) was employed using as input previously published proteomics and transcriptomics respective signatures. Among the identified compounds, the ATP-competitive inhibitor of mTOR, WYE-354, showed a consistently very high score for reversing the aggressive BC molecular signatures. WYE-354 impact was assessed in a panel of eight multi-origin BC cell lines and included impaired colony growth and proliferation rate without any impact on apoptosis. Overall, with this study we introduce a promising pipeline for the repurposing of drugs for BC treatment, based on patients' omics signatures.
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Affiliation(s)
- Marika Mokou
- Biotechnology Division, Biomedical Research Foundation of the Academy of Athens, 11527 Athens, Greece; (M.M.); (V.L.); (I.A.); (R.S.)
- Mosaiques Diagnostics GmbH, 30659 Hannover, Germany; (M.F.); (A.L.); (H.M.)
| | - Vasiliki Lygirou
- Biotechnology Division, Biomedical Research Foundation of the Academy of Athens, 11527 Athens, Greece; (M.M.); (V.L.); (I.A.); (R.S.)
| | - Ioanna Angelioudaki
- Biotechnology Division, Biomedical Research Foundation of the Academy of Athens, 11527 Athens, Greece; (M.M.); (V.L.); (I.A.); (R.S.)
| | - Nikolaos Paschalidis
- Cellular Immunology Laboratory, Center for Basic Research, Biomedical Research Foundation of the Academy of Athens, 11527 Athens, Greece;
| | - Rafael Stroggilos
- Biotechnology Division, Biomedical Research Foundation of the Academy of Athens, 11527 Athens, Greece; (M.M.); (V.L.); (I.A.); (R.S.)
| | - Maria Frantzi
- Mosaiques Diagnostics GmbH, 30659 Hannover, Germany; (M.F.); (A.L.); (H.M.)
| | | | - Aristotelis Bamias
- Haematology-Oncology Unit, Department of Clinical Therapeutics, Alexandra Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece;
| | - Michèle J. Hoffmann
- Department of Urology, Medical Faculty, Heinrich-Heine-University Düsseldorf, 40225 Düsseldorf, Germany;
| | - Harald Mischak
- Mosaiques Diagnostics GmbH, 30659 Hannover, Germany; (M.F.); (A.L.); (H.M.)
- British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow G12 8QQ, UK
| | - Antonia Vlahou
- Biotechnology Division, Biomedical Research Foundation of the Academy of Athens, 11527 Athens, Greece; (M.M.); (V.L.); (I.A.); (R.S.)
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