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Asbóth D, Bánfi B, Kocsis D, Erdő F. Rodent models of dermatological disorders. Ital J Dermatol Venerol 2024; 159:303-317. [PMID: 38287740 DOI: 10.23736/s2784-8671.23.07700-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2024]
Abstract
To assess the possible beneficial effects of drugs and drug candidates, different dermatological disease models are available in rodents. These models are able to mimic one or more characteristic features of the disorders, but not completely recapitulate the pathogenesis of the human skin diseases. Therefore, to improve the technology many new models have been developed both by genetic engineering and by chemical or physical induction. Currently the in vivo rodent models provide the physiologically most relevant approach to produce the pathology related to the majority of dermatological diseases. In this short review some widely used animal techniques (psoriasis, allergic contact dermatitis, atopic dermatitis, wound healing, melanoma and non-melanoma type skin cancers and UV erythema) are shown which are currently applied in pharmacological, pharmacokinetic, pharmaceutical and dermatological research. First the main points of the human pathomechanism are shown and afterwards the rodent models are briefly discussed. Finally critical evaluation is provided by the authors. However, according to the 3R rule the number of experimental animals is strongly suggested to be reduced, therefore the advanced in vitro and ex vivo techniques become more and more important contrary to in vivo preclinical methods also in dermatological research. As it is described in the outlook section, although the 2D/3D in vitro and skin on-a-chip techniques are promising and have many advantages they are not able to completely substitute the animal models in their vascular, immunological, secretory and neural complexity.
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Affiliation(s)
- Dorottya Asbóth
- Pediatric Dermatology Center, Szent János Center Hospital in North Buda, Budapest, Hungary
| | - Barnabás Bánfi
- Faculty of Information Technology and Bionics, Pázmány Péter Catholic University, Budapest, Hungary
- Faculty of Science, Eötvös Loránd University, Budapest, Hungary
| | - Dorottya Kocsis
- Faculty of Information Technology and Bionics, Pázmány Péter Catholic University, Budapest, Hungary
| | - Franciska Erdő
- Faculty of Information Technology and Bionics, Pázmány Péter Catholic University, Budapest, Hungary -
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2
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Pícková M, Kahounová Z, Radaszkiewicz T, Procházková J, Fedr R, Nosková M, Radaszkiewicz KA, Ovesná P, Bryja V, Souček K. Orthotopic model for the analysis of melanoma circulating tumor cells. Sci Rep 2024; 14:7827. [PMID: 38570556 PMCID: PMC10991390 DOI: 10.1038/s41598-024-58236-y] [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: 01/26/2024] [Accepted: 03/26/2024] [Indexed: 04/05/2024] Open
Abstract
Metastatic melanoma, a highly lethal form of skin cancer, presents significant clinical challenges due to limited therapeutic options and high metastatic capacity. Recent studies have demonstrated that cancer dissemination can occur earlier, before the diagnosis of the primary tumor. The progress in understanding the kinetics of cancer dissemination is limited by the lack of animal models that accurately mimic disease progression. We have established a xenograft model of human melanoma that spontaneously metastasizes to lymph nodes and lungs. This model allows precise monitoring of melanoma progression and is suitable for the quantitative and qualitative analysis of circulating tumor cells (CTCs). We have validated a flow cytometry-based protocol for CTCs enumeration and isolation. We could demonstrate that (i) CTCs were detectable in the bloodstream from the fourth week after tumor initiation, coinciding with the lymph node metastases appearance, (ii) excision of the primary tumor accelerated the formation of metastases in lymph nodes and lungs as early as one-week post-surgery, accompanied by the increased numbers of CTCs, and (iii) CTCs change their surface protein signature. In summary, we present a model of human melanoma that can be effectively utilized for future drug efficacy studies.
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Affiliation(s)
- Markéta Pícková
- Department of Cytokinetics, Institute of Biophysics of the Czech Academy of Sciences, Brno, Czech Republic
- International Clinical Research Center, St. Anne's University Hospital Brno, Brno, Czech Republic
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Zuzana Kahounová
- Department of Cytokinetics, Institute of Biophysics of the Czech Academy of Sciences, Brno, Czech Republic
| | - Tomasz Radaszkiewicz
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Jiřina Procházková
- Department of Cytokinetics, Institute of Biophysics of the Czech Academy of Sciences, Brno, Czech Republic
| | - Radek Fedr
- Department of Cytokinetics, Institute of Biophysics of the Czech Academy of Sciences, Brno, Czech Republic
- International Clinical Research Center, St. Anne's University Hospital Brno, Brno, Czech Republic
| | - Michaela Nosková
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
- Centre for Inflammation Research, University of Edinburgh Institute for Regeneration and Repair, Edinburgh, Scotland
| | | | - Petra Ovesná
- Institute of Biostatistics and Analyses, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Vítězslav Bryja
- Department of Cytokinetics, Institute of Biophysics of the Czech Academy of Sciences, Brno, Czech Republic
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Karel Souček
- Department of Cytokinetics, Institute of Biophysics of the Czech Academy of Sciences, Brno, Czech Republic.
- International Clinical Research Center, St. Anne's University Hospital Brno, Brno, Czech Republic.
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic.
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3
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Hutchison A, Sibanda C, Hulme M, Anwar S, Gur B, Thomas R, Lowery LA. Re-examining the evidence that ivermectin induces a melanoma-like state in Xenopus embryos. Bioessays 2024; 46:e2300143. [PMID: 37985957 PMCID: PMC10841629 DOI: 10.1002/bies.202300143] [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: 08/01/2023] [Revised: 10/25/2023] [Accepted: 11/03/2023] [Indexed: 11/22/2023]
Abstract
Modeling metastasis in animal systems has been an important focus for developing cancer therapeutics. Xenopus laevis is a well-established model, known for its use in identifying genetic mechanisms underlying diseases and disorders in humans. Prior literature has suggested that the drug, ivermectin, can be used in Xenopus to induce melanocytes to convert into a metastatic melanoma-like state, and thus could be ideal for testing possible melanoma therapies in vivo. However, there are notable inconsistencies between ivermectin studies in Xenopus and the application of ivermectin in mammalian systems, that are relevant to cancer and melanoma research. In this review, we examine the ivermectin-induced phenotypes in Xenopus, and we explore the current uses of ivermectin in human research. We conclude that while ivermectin may be a useful drug for many biomedical purposes, it is not ideal to induce a metastatic melanocyte phenotype in Xenopus for testing the effects of potential melanoma therapeutics.
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Affiliation(s)
- Ainsley Hutchison
- Alfred B. Nobel Section of Hematology and Medical Oncology, Boston University Chobanian and Avedisian School of Medicine and Boston Medical Center, Boston, Massachusetts, USA
| | - Chiedza Sibanda
- Alfred B. Nobel Section of Hematology and Medical Oncology, Boston University Chobanian and Avedisian School of Medicine and Boston Medical Center, Boston, Massachusetts, USA
| | - Mackenzie Hulme
- Alfred B. Nobel Section of Hematology and Medical Oncology, Boston University Chobanian and Avedisian School of Medicine and Boston Medical Center, Boston, Massachusetts, USA
| | - Sarah Anwar
- Alfred B. Nobel Section of Hematology and Medical Oncology, Boston University Chobanian and Avedisian School of Medicine and Boston Medical Center, Boston, Massachusetts, USA
| | - Bengisu Gur
- Alfred B. Nobel Section of Hematology and Medical Oncology, Boston University Chobanian and Avedisian School of Medicine and Boston Medical Center, Boston, Massachusetts, USA
| | - Rachael Thomas
- Alfred B. Nobel Section of Hematology and Medical Oncology, Boston University Chobanian and Avedisian School of Medicine and Boston Medical Center, Boston, Massachusetts, USA
| | - Laura Anne Lowery
- Alfred B. Nobel Section of Hematology and Medical Oncology, Boston University Chobanian and Avedisian School of Medicine and Boston Medical Center, Boston, Massachusetts, USA
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4
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Lara-Vega I, Vega-López A. Combinational photodynamic and photothermal - based therapies for melanoma in mouse models. Photodiagnosis Photodyn Ther 2023; 43:103596. [PMID: 37148952 DOI: 10.1016/j.pdpdt.2023.103596] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 04/21/2023] [Accepted: 05/03/2023] [Indexed: 05/08/2023]
Abstract
BACKGROUND Melanoma is a highly metastatic skin cancer with limited response to current therapies in advanced patients. To overcome resistance, novel treatments based on photodynamic and photothermal therapies (PDT and PTT, respectively) have been developed to treat melanoma in preclinical murine models. Despite success inhibiting implanted tumors' growth, there has been limited evaluation of their long-term effectiveness in preventing metastasis, recurrence, or improving survival rates. METHODS Combined and multidrug therapies based on PDT and/or PTT to treat cutaneous malignant melanoma in the preclinical mouse model were reviewed from 2016 onwards. PubMed® was the database in which the search was performed using mesh search algorithms resulting in fifty-one studies that comply with strict inclusion rules of screening. RESULTS B16 melanoma-bearing C57BLACK6 mice model was the most used to evaluate immunotherapies, chemotherapies, and targeted therapies in combination with PDT and/or PTT. Combined therapies demonstrated a synergistic effect, resulting in intense antitumor activity. The most extensively studied protocol for developing metastatic models involved the intravenous administration of malignant cells, with some combined therapies being tested. Furthermore, the review presents the composition of the nanostructures utilized for delivering the drugs and light-responsive agents and the treatment plans for each combined approach. CONCLUSIONS The identified mechanisms to simulate metastatic melanoma models and the therapeutic combinations may aid in evaluating the systemic protection of combined PDT and PTT-based therapies, particularly in conducting short-term preclinical experiments. Such simulations could have relevance to clinical studies.
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Affiliation(s)
- Israel Lara-Vega
- Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas, Laboratorio de Toxicología Ambiental, Av. Wilfrido Massieu s/n, Unidad Profesional Zacatenco, Mexico City C. P. 07738, Mexico
| | - Armando Vega-López
- Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas, Laboratorio de Toxicología Ambiental, Av. Wilfrido Massieu s/n, Unidad Profesional Zacatenco, Mexico City C. P. 07738, Mexico.
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5
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Oudda S, Ali AM, Chien AL, Park S. Leveraging Tissue Engineering for Skin Cancer Models. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1410:97-113. [PMID: 36484897 DOI: 10.1007/5584_2022_755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Bioengineered in vitro three-dimensional (3D) skin model has emerged as a promising tool for recapitulating different types of skin cancer and performing pre-clinical tests. However, a full-thickness 3D model including the epidermis, dermis, and hypodermis layers is scarce despite its significance in human physiology and diverse biological processes. In this book chapter, an attempt has been made to summarize various skin cancer models, including utilized skin layers, materials, cell lines, specific treatments, and fabrication techniques for three types of skin cancer: melanoma, basal cell carcinoma (BCC), and squamous cell carcinoma (SCC). Subsequently, current limitations and future directions of skin cancer models are discussed. The knowledge of the current status of skin cancer models can provide various potential applications in cancer research and thus a more effective way for cancer treatment.
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Affiliation(s)
- Sumayah Oudda
- Department of Biology, Johns Hopkins University, Baltimore, MD, USA
| | - Abdulla M Ali
- The Thomas C. Jenkins Department of Biophysics, Johns Hopkins University, Baltimore, MD, USA
| | - Anna L Chien
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Seungman Park
- Department of Mechanical Engineering, University of Nevada, Las Vegas, Las Vegas, NV, USA.
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6
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Bhandary M, Sales Conniff A, Miranda K, Heller LC. Acute Effects of Intratumor DNA Electrotransfer. Pharmaceutics 2022; 14:pharmaceutics14102097. [PMID: 36297532 PMCID: PMC9611921 DOI: 10.3390/pharmaceutics14102097] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 09/26/2022] [Accepted: 09/28/2022] [Indexed: 11/14/2022] Open
Abstract
Intratumor therapeutic DNA electroporation or electrotransfer is in clinical trials in the United States and is under development in many other countries. Acute changes in endogenous gene expression in response to DNA or to pulse application may significantly modulate the therapeutic efficacy of the expressed proteins. Oligonucleotide arrays were used in this study to quantify changes in mRNA expression in B16-F10 mouse melanoma tumors four hours after DNA electrotransfer. The data were subjected to the DAVID v6.8 web server for functional annotation to reveal regulated genes and genetic pathways. Gene ontology analysis revealed several molecular functions related to cytoskeletal remodeling and inflammatory signaling. In B16-F10 cells, F-actin remodeling was confirmed by phalloidin staining in cells that received pulse application alone or in the presence of DNA. Chemokine secretion was confirmed in cells receiving DNA electrotransfer. These results indicate that pulse application alone or in the presence of DNA may modulate the therapeutic efficacy of therapeutic DNA electrotransfer.
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7
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Bellavia MC, Nyiranshuti L, Latoche JD, Ho KV, Fecek RJ, Taylor JL, Day KE, Nigam S, Pun M, Gallazzi F, Edinger RS, Storkus WJ, Patel RB, Anderson CJ. PET Imaging of VLA-4 in a New BRAF V600E Mouse Model of Melanoma. Mol Imaging Biol 2022; 24:425-433. [PMID: 34694528 PMCID: PMC9183947 DOI: 10.1007/s11307-021-01666-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/28/2021] [Accepted: 10/05/2021] [Indexed: 01/05/2023]
Abstract
PURPOSE Despite unprecedented responses to immune checkpoint inhibitors and targeted therapy in melanoma, a major subset of patients progresses and have few effective salvage options. We have previously demonstrated robust, selective uptake of the peptidomimetic LLP2A labeled with Cu-64 ([64Cu]-LLP2A) for positron emission tomography (PET) imaging in subcutaneous and metastatic models of B16F10 murine melanoma. LLP2A binds with high affinity to very late antigen-4 (VLA-4, integrin α4β1), a transmembrane protein overexpressed in melanoma and other cancers that facilitates tumor growth and metastasis. Yet B16F10 fails to faithfully reflect human melanoma biology, as it lacks certain oncogenic driver mutations, including BRAF mutations found in ≥ 50 % of clinical specimens. Here, we evaluated the PET tracer [64Cu]-CB-TE1A1P-PEG4-LLP2A ([64Cu]-LLP2A) in novel, translational BRAFV600E mutant melanoma models differing in VLA-4 expression-BPR (VLA-4-) and BPRα (VLA-4+). PROCEDURES BPR cells were transduced with α4 (CD49d) to overexpress intact cell surface VLA-4 (BPRα). The binding affinity of [64Cu]-LLP2A to BPR and BPRα cells was determined by saturation binding assays. [64Cu]-LLP2A internalization into B16F10, BPR, and BPRα cells was quantified via a plate-based assay. Tracer biodistribution and PET/CT imaging were evaluated in mice bearing subcutaneous BPR and BPRα tumors. RESULTS [64Cu]-LLP2A demonstrated high binding affinity to BPRα (Kd = 1.4 nM) but indeterminate binding to BPR cells. VLA-4+ BPRα and B16F10 displayed comparable time-dependent [64Cu]-LLP2A internalization, whereas BPR internalization was undetectable. PET/CT showed increased tracer uptake in BPRα tumors vs. BPR tumors in vivo, which was validated by significantly greater (p < 0.0001) BPRα tumor uptake in biodistribution analyses. CONCLUSIONS [64Cu]-LLP2A discriminates BPRα (VLA-4+) vs. BPR (VLA-4-) melanomas in vivo, supporting translation of these BRAF-mutated melanoma models via prospective imaging and theranostic studies. These results extend the utility of LLP2A to selectively target clinically relevant and therapy-resistant tumor variants toward its use for therapeutic patient care.
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Affiliation(s)
- Michael C Bellavia
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Lea Nyiranshuti
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA
- Department of Molecular and Medical Pharmacology, University of California Los Angeles, Los Angeles, CA, 90095, USA
- RayzeBio Inc., San Diego, CA, 92121, USA
| | - Joseph D Latoche
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Khanh-Van Ho
- Department of Chemistry, University of Missouri, Columbia, MO, 65211, USA
| | - Ronald J Fecek
- Department of Dermatology, University of Pittsburgh, Pittsburgh, PA, 15213, USA
- Department of Microbiology and Immunology, Lake Erie College of Osteopathic Medicine at Seton Hill, Greensburg, PA, 15601, USA
| | - Jennifer L Taylor
- Department of Dermatology, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Kathryn E Day
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Shubhanchi Nigam
- Department of Radiology, University of Pittsburgh, Pittsburgh, PA, 15213, USA
- Eurofins Scientific, Philadelphia, PA, 19355, USA
| | - Michael Pun
- Department of Chemistry, University of Missouri, Columbia, MO, 65211, USA
| | - Fabio Gallazzi
- Department of Chemistry, University of Missouri, Columbia, MO, 65211, USA
| | - Robert S Edinger
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA
- Department of Radiation Oncology, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Walter J Storkus
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, 15213, USA
- Department of Dermatology, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Ravi B Patel
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, 15213, USA.
- Department of Radiation Oncology, University of Pittsburgh, Pittsburgh, PA, 15213, USA.
| | - Carolyn J Anderson
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, 15213, USA.
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA.
- Department of Chemistry, University of Missouri, Columbia, MO, 65211, USA.
- Department of Radiology, University of Pittsburgh, Pittsburgh, PA, 15213, USA.
- Department of Radiology, University of Missouri, Columbia, MO, 65211, USA.
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8
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Bouzin M, Marini M, Chirico G, Granucci F, Mingozzi F, Colombo R, D'Alfonso L, Sironi L, Collini M. Melanin concentration maps by label-free super-resolution photo-thermal imaging on melanoma biopsies. BIOMEDICAL OPTICS EXPRESS 2022; 13:1173-1187. [PMID: 35414966 PMCID: PMC8973199 DOI: 10.1364/boe.445945] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 11/09/2021] [Accepted: 11/09/2021] [Indexed: 05/04/2023]
Abstract
Surgical excision followed by histopathological examination is the gold standard for melanoma screening. However, the color-based inspection of hematoxylin-and-eosin-stained biopsies does not provide a space-resolved quantification of the melanin content in melanocytic lesions. We propose a non-destructive photo-thermal imaging method capable of characterizing the microscopic distribution and absolute concentration of melanin pigments in excised melanoma biopsies. By exploiting the photo-thermal effect primed by melanin absorption of visible laser light we obtain label-free super-resolution far-infrared thermal images of tissue sections where melanin is spatially mapped at sub-diffraction 40-μm resolution. Based on the finite-element simulation of the full 3D heat transfer model, we are able to convert temperature maps into quantitative images of the melanin molar concentration on B16 murine melanoma biopsies, with 4·10-4 M concentration sensitivity. Being readily applicable to human melanoma biopsies in combination with hematoxylin-and-eosin staining, the proposed approach could complement traditional histopathology in the characterization of pigmented lesions ex-vivo.
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Affiliation(s)
- Margaux Bouzin
- Physics Department, Università degli Studi di Milano-Bicocca, Piazza della Scienza 3, 20126, Milano, Italy
- Equal contribution
| | - Mario Marini
- Physics Department, Università degli Studi di Milano-Bicocca, Piazza della Scienza 3, 20126, Milano, Italy
- Equal contribution
| | - Giuseppe Chirico
- Physics Department, Università degli Studi di Milano-Bicocca, Piazza della Scienza 3, 20126, Milano, Italy
- CNR Institute for Applied Science and Intelligent Systems, Via Campi Flegrei 34, 80078, Pozzuoli, Italy
| | - Francesca Granucci
- Biotechnology and Biosciences Department, Università degli Studi di Milano-Bicocca, Piazza della Scienza 2, 20126, Milano, Italy
| | - Francesca Mingozzi
- Biotechnology and Biosciences Department, Università degli Studi di Milano-Bicocca, Piazza della Scienza 2, 20126, Milano, Italy
| | - Roberto Colombo
- Department of Earth and Environmental Sciences, Università degli Studi di Milano-Bicocca, Piazza della Scienza 1, 20126, Milano, Italy
| | - Laura D'Alfonso
- Physics Department, Università degli Studi di Milano-Bicocca, Piazza della Scienza 3, 20126, Milano, Italy
| | - Laura Sironi
- Physics Department, Università degli Studi di Milano-Bicocca, Piazza della Scienza 3, 20126, Milano, Italy
| | - Maddalena Collini
- Physics Department, Università degli Studi di Milano-Bicocca, Piazza della Scienza 3, 20126, Milano, Italy
- CNR Institute for Applied Science and Intelligent Systems, Via Campi Flegrei 34, 80078, Pozzuoli, Italy
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Quah PS, Sutton V, Whitlock E, Figgett WA, Andrews DM, Fairfax KA, Mackay F. The effects of B-cell-activating factor on the population size, maturation and function of murine natural killer cells. Immunol Cell Biol 2022; 100:761-776. [PMID: 36106449 PMCID: PMC9828838 DOI: 10.1111/imcb.12585] [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: 02/19/2022] [Revised: 08/30/2022] [Accepted: 09/13/2022] [Indexed: 01/12/2023]
Abstract
The role of B-cell-activating factor (BAFF) in B-lymphocyte biology has been comprehensively studied, but its contributions to innate immunity remain unclear. Natural killer (NK) cells form the first line of defense against viruses and tumors, and have been shown to be defective in patients with systemic lupus erythematosus (SLE). The link between BAFF and NK cells in the development and progression of SLE remains unstudied. By assessing NK cell numbers in wild-type (WT), BAFF-/- (BAFF deficient), BAFF-R-/- (BAFF receptor deficient), TACI-/- (transmembrane activator and calcium modulator and cyclophilin ligand interactor deficient), BCMA-/- (B-cell maturation antigen deficient) and BAFF transgenic (Tg) mice, we observed that BAFF signaling through BAFF-R was essential for sustaining NK cell numbers in the spleen. However, according to the cell surface expression of CD27 and CD11b on NK cells, we found that BAFF was dispensable for NK cell maturation. Ex vivo and in vivo models showed that NK cells from BAFF-/- and BAFF Tg mice produced interferon-γ and killed tumor cells at a level similar to that in WT mice. Finally, we established that NK cells do not express receptors that interact with BAFF in the steady state or in the BAFF Tg mouse model of SLE. Our findings demonstrate that BAFF has an indirect effect on NK cell homeostasis and no effect on NK cell function.
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Affiliation(s)
- Pin Shie Quah
- Department of Immunology and PathologyCentral Clinical School, Monash UniversityMelbourneVICAustralia,Department of Microbiology and ImmunologyThe University of Melbourne, Peter Doherty Institute for Infection and ImmunityMelbourneVICAustralia
| | - Vivien Sutton
- Rosie Lew Cancer Immunology ProgramPeter MacCallum Cancer CentreMelbourneVICAustralia,Sir Peter MacCallum Department of OncologyThe University of MelbourneMelbourneVICAustralia
| | - Eden Whitlock
- Department of Microbiology and ImmunologyThe University of Melbourne, Peter Doherty Institute for Infection and ImmunityMelbourneVICAustralia,QIMR Berghofer Medical Research InstituteHerstonQLDAustralia
| | - William A Figgett
- Department of Immunology and PathologyCentral Clinical School, Monash UniversityMelbourneVICAustralia,Department of Microbiology and ImmunologyThe University of Melbourne, Peter Doherty Institute for Infection and ImmunityMelbourneVICAustralia,Garvan Institute of Medical ResearchDarlinghurstNSWAustralia
| | - Daniel M Andrews
- Department of Immunology and PathologyCentral Clinical School, Monash UniversityMelbourneVICAustralia,Bioproperties, RingwoodMelbourneVICAustralia
| | - Kirsten A Fairfax
- Blood Cells and Blood Cancer DivisionThe Walter and Eliza Hall Institute of Medical ResearchParkvilleVICAustralia,Menzies Institute for Medical ResearchUniversity of TasmaniaHobartTASAustralia,School of Medicine, College of Health and MedicineUniversity of TasmaniaHobartTASAustralia
| | - Fabienne Mackay
- Department of Immunology and PathologyCentral Clinical School, Monash UniversityMelbourneVICAustralia,Department of Microbiology and ImmunologyThe University of Melbourne, Peter Doherty Institute for Infection and ImmunityMelbourneVICAustralia,QIMR Berghofer Medical Research InstituteHerstonQLDAustralia,Faculty of MedicineThe University of QueenslandBrisbaneQLDAustralia
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10
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Matias M, Pinho JO, Penetra MJ, Campos G, Reis CP, Gaspar MM. The Challenging Melanoma Landscape: From Early Drug Discovery to Clinical Approval. Cells 2021; 10:3088. [PMID: 34831311 PMCID: PMC8621991 DOI: 10.3390/cells10113088] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 11/02/2021] [Accepted: 11/06/2021] [Indexed: 02/06/2023] Open
Abstract
Melanoma is recognized as the most dangerous type of skin cancer, with high mortality and resistance to currently used treatments. To overcome the limitations of the available therapeutic options, the discovery and development of new, more effective, and safer therapies is required. In this review, the different research steps involved in the process of antimelanoma drug evaluation and selection are explored, including information regarding in silico, in vitro, and in vivo experiments, as well as clinical trial phases. Details are given about the most used cell lines and assays to perform both two- and three-dimensional in vitro screening of drug candidates towards melanoma. For in vivo studies, murine models are, undoubtedly, the most widely used for assessing the therapeutic potential of new compounds and to study the underlying mechanisms of action. Here, the main melanoma murine models are described as well as other animal species. A section is dedicated to ongoing clinical studies, demonstrating the wide interest and successful efforts devoted to melanoma therapy, in particular at advanced stages of the disease, and a final section includes some considerations regarding approval for marketing by regulatory agencies. Overall, considerable commitment is being directed to the continuous development of optimized experimental models, important for the understanding of melanoma biology and for the evaluation and validation of novel therapeutic strategies.
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Affiliation(s)
- Mariana Matias
- Research Institute for Medicines, iMed.ULisboa, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
| | - Jacinta O Pinho
- Research Institute for Medicines, iMed.ULisboa, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
| | - Maria João Penetra
- Research Institute for Medicines, iMed.ULisboa, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
| | - Gonçalo Campos
- CICS-UBI-Health Sciences Research Centre, University of Beira Interior, Av. Infante D. Henrique, 6201-506 Covilhã, Portugal
| | - Catarina Pinto Reis
- Research Institute for Medicines, iMed.ULisboa, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
| | - Maria Manuela Gaspar
- Research Institute for Medicines, iMed.ULisboa, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
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Battaglia L, Scomparin A, Dianzani C, Milla P, Muntoni E, Arpicco S, Cavalli R. Nanotechnology Addressing Cutaneous Melanoma: The Italian Landscape. Pharmaceutics 2021; 13:1617. [PMID: 34683910 PMCID: PMC8540596 DOI: 10.3390/pharmaceutics13101617] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 09/22/2021] [Accepted: 09/29/2021] [Indexed: 12/20/2022] Open
Abstract
Cutaneous melanoma is one of the most aggressive solid tumors, with a low survival for the metastatic stage. Currently, clinical melanoma treatments include surgery, chemotherapy, targeted therapy, immunotherapy and radiotherapy. Of note, innovative therapeutic regimens concern the administration of multitarget drugs in tandem, in order to improve therapeutic efficacy. However, also, if this drug combination is clinically relevant, the patient's response is not yet optimal. In this scenario, nanotechnology-based delivery systems can play a crucial role in the clinical treatment of advanced melanoma. In fact, their nano-features enable targeted drug delivery at a cellular level by overcoming biological barriers. Various nanomedicines have been proposed for the treatment of cutaneous melanoma, and a relevant number of them are undergoing clinical trials. In Italy, researchers are focusing on the pharmaceutical development of nanoformulations for malignant melanoma therapy. The present review reports an overview of the main melanoma-addressed nanomedicines currently under study in Italy, alongside the state of the art of melanoma therapy. Moreover, the latest Italian advances concerning the pre-clinical evaluation of nanomedicines for melanoma are described.
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Affiliation(s)
- Luigi Battaglia
- . Department of Drug Science and Technology, University of Torino, 10125 Turin, Italy; (L.B.); (A.S.); (C.D.); (P.M.); (E.M.); (S.A.)
| | - Anna Scomparin
- . Department of Drug Science and Technology, University of Torino, 10125 Turin, Italy; (L.B.); (A.S.); (C.D.); (P.M.); (E.M.); (S.A.)
- . Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Chiara Dianzani
- . Department of Drug Science and Technology, University of Torino, 10125 Turin, Italy; (L.B.); (A.S.); (C.D.); (P.M.); (E.M.); (S.A.)
| | - Paola Milla
- . Department of Drug Science and Technology, University of Torino, 10125 Turin, Italy; (L.B.); (A.S.); (C.D.); (P.M.); (E.M.); (S.A.)
| | - Elisabetta Muntoni
- . Department of Drug Science and Technology, University of Torino, 10125 Turin, Italy; (L.B.); (A.S.); (C.D.); (P.M.); (E.M.); (S.A.)
| | - Silvia Arpicco
- . Department of Drug Science and Technology, University of Torino, 10125 Turin, Italy; (L.B.); (A.S.); (C.D.); (P.M.); (E.M.); (S.A.)
| | - Roberta Cavalli
- . Department of Drug Science and Technology, University of Torino, 10125 Turin, Italy; (L.B.); (A.S.); (C.D.); (P.M.); (E.M.); (S.A.)
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12
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He S, Zimmerman MW, Layden HM, Berezovskaya A, Etchin J, Martel MW, Thurston G, Jing CB, van Rooijen E, Kaufman CK, Rodig SJ, Zon LI, Patton EE, Mansour MR, Look AT. Synergistic melanoma cell death mediated by inhibition of both MCL1 and BCL2 in high-risk tumors driven by NF1/PTEN loss. Oncogene 2021; 40:5718-5729. [PMID: 34331013 PMCID: PMC8460449 DOI: 10.1038/s41388-021-01926-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 06/10/2021] [Accepted: 06/24/2021] [Indexed: 11/18/2022]
Abstract
Melanomas driven by loss of the NF1 tumor suppressor have a high risk of treatment failure and effective therapies have not been developed. Here we show that loss-of-function mutations of nf1 and pten result in aggressive melanomas in zebrafish, representing the first animal model of NF1-mutant melanomas harboring PTEN loss. MEK or PI3K inhibitors show little activity when given alone due to cross-talk between the pathways, and high toxicity when given together. The mTOR inhibitors, sirolimus, everolimus, and temsirolimus, were the most active single agents tested, potently induced tumor-suppressive autophagy, but not apoptosis. Because addition of the BCL2 inhibitor venetoclax resulted in compensatory upregulation of MCL1, we established a three-drug combination composed of sirolimus, venetoclax, and the MCL1 inhibitor S63845. This well-tolerated drug combination potently and synergistically induces apoptosis in both zebrafish and human NF1/PTEN-deficient melanoma cells, providing preclinical evidence justifying an early-stage clinical trial in patients with NF1/PTEN-deficient melanoma.
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Affiliation(s)
- Shuning He
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA.
| | - Mark W Zimmerman
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Hillary M Layden
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Alla Berezovskaya
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Julia Etchin
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Megan W Martel
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Grace Thurston
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Chang-Bin Jing
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Ellen van Rooijen
- Stem Cell Program and Division of Hematology/Oncology, Children's Hospital Boston, Howard Hughes Medical Institute, Boston, MA, USA
| | - Charles K Kaufman
- Stem Cell Program and Division of Hematology/Oncology, Children's Hospital Boston, Howard Hughes Medical Institute, Boston, MA, USA
| | - Scott J Rodig
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA
| | - Leonard I Zon
- Stem Cell Program and Division of Hematology/Oncology, Children's Hospital Boston, Howard Hughes Medical Institute, Boston, MA, USA
| | - E Elizabeth Patton
- MRC Human Genetics Unit, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK
| | - Marc R Mansour
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA.
- Department of Hematology, UCL Cancer Institute, University College London, London, UK.
| | - A Thomas Look
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA.
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13
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Pinzón-Osorio CA, Ávila-Coy J, Gomez AP, Marcela Álvarez-Mira D. Rhabdoid melanoma in a harpy eagle ( Harpia harpyja). Vet Anim Sci 2021; 13:100184. [PMID: 34189340 PMCID: PMC8217705 DOI: 10.1016/j.vas.2021.100184] [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: 02/20/2021] [Revised: 05/28/2021] [Accepted: 06/03/2021] [Indexed: 11/26/2022] Open
Abstract
A 28-year-old male harpy eagle (Harpia harpyja) with a history of anorexia, hyporexia, lethargy, and progressive weight loss was found dead and submitted for post-mortem examination. Gross findings include dark brown discolouration of testes and lungs; the testes were bilaterally enlarged, glistening brown-grey to blackish in appearance, firm, smooth, and multilobulated. The lungs contained a mass with similar features to the testicles, irregularly shaped with multiple nodules. Histology of testis showed round, polygonal and pleomorphic cells, containing melanin pigments and a typical eosinophilic vacuole in their cytoplasm and with severe pleomorphism. An immunohistochemistry panel with Melan-A, vimentin, CK AE1/AE/3, MUM-1 and CD-68 were performed, yielding a positive reaction for Melan-A and vimentin. The morphology of the tumour cells, the presence of melanin pigment and the immunoreactivity for Melan-A and vimentin by the cells led to a diagnosis of rhabdoid melanoma. This is the first case of this pathology in the testis with lung metastasis in a harpy eagle.
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Affiliation(s)
- César Augusto Pinzón-Osorio
- Department of Animal Health, School of Veterinary Medicine, Universidad Nacional de Colombia, Sede Bogotá, Poultry Research Building, Bogotá DC, Carrera 45 #26-85, Colombia
| | - Jersson Ávila-Coy
- Department of Animal Health, School of Veterinary Medicine, Universidad Nacional de Colombia, Sede Bogotá, Poultry Research Building, Bogotá DC, Carrera 45 #26-85, Colombia
| | - Arlen P Gomez
- Department of Animal Health, School of Veterinary Medicine, Universidad Nacional de Colombia, Sede Bogotá, Poultry Research Building, Bogotá DC, Carrera 45 #26-85, Colombia
| | - Diana Marcela Álvarez-Mira
- Department of Animal Health, School of Veterinary Medicine, Universidad Nacional de Colombia, Sede Bogotá, Poultry Research Building, Bogotá DC, Carrera 45 #26-85, Colombia
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14
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The Impact of Ultraviolet Radiation on the Aetiology and Development of Uveal Melanoma. Cancers (Basel) 2021; 13:cancers13071700. [PMID: 33916693 PMCID: PMC8038359 DOI: 10.3390/cancers13071700] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 03/29/2021] [Accepted: 04/01/2021] [Indexed: 12/13/2022] Open
Abstract
Uveal melanoma (UM) is currently classified by the World Health Organisation as a melanoma caused by risk factors other than cumulative solar damage. However, factors relating to ultraviolet radiation (UVR) susceptibility such as light-coloured skin and eyes, propensity to burn, and proximity to the equator, frequently correlate with higher risk of UM. These risk factors echo those of the far more common cutaneous melanoma (CM), which is widely accepted to be caused by excessive UVR exposure, suggesting a role of UVR in the development and progression of a proportion of UM. Indeed, this could mean that countries, such as Australia, with high UVR exposure and the highest incidences of CM would represent a similarly high incidence of UM if UVR exposure is truly involved. Most cases of UM lack the typical genetic mutations that are related to UVR damage, although recent evidence in a small minority of cases has shown otherwise. This review therefore reassesses statistical, environmental, anatomical, and physiological evidence for and against the role of UVR in the aetiology of UM.
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15
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Lopes J, Ferreira-Gonçalves T, Figueiredo IV, Rodrigues CMP, Ferreira H, Ferreira D, Viana AS, Faísca P, Gaspar MM, Coelho JMP, Silva CO, Reis CP. Proof-of-Concept Study of Multifunctional Hybrid Nanoparticle System Combined with NIR Laser Irradiation for the Treatment of Melanoma. Biomolecules 2021; 11:511. [PMID: 33808293 PMCID: PMC8103244 DOI: 10.3390/biom11040511] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 03/25/2021] [Accepted: 03/25/2021] [Indexed: 12/18/2022] Open
Abstract
The global impact of cancer emphasizes the importance of developing innovative, effective and minimally invasive therapies. In the context of superficial cancers, the development of a multifunctional nanoparticle-based system and its in vitro and in vivo safety and efficacy characterization are, herein, proposed as a proof-of-concept. This multifunctional system consists of gold nanoparticles coated with hyaluronic and oleic acids, and functionalized with epidermal growth factor for greater specificity towards cutaneous melanoma cells. This nanoparticle system is activated by a near-infrared laser. The characterization of this nanoparticle system included several phases, with in vitro assays being firstly performed to assess the safety of gold nanoparticles without laser irradiation. Then, hairless immunocompromised mice were selected for a xenograft model upon inoculation of A375 human melanoma cells. Treatment with near-infrared laser irradiation for five minutes combined with in situ administration of the nanoparticles showed a tumor volume reduction of approximately 80% and, in some cases, led to the formation of several necrotic foci, observed histologically. No significant skin erythema at the irradiation zone was verified, nor other harmful effects on the excised organs. In conclusion, these assays suggest that this system is safe and shows promising results for the treatment of superficial melanoma.
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Affiliation(s)
- Joana Lopes
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Av. Professor Gama Pinto, 1649-003 Lisboa, Portugal; (J.L.); (T.F.-G.); (C.M.P.R.); (M.M.G.); (C.O.S.)
| | - Tânia Ferreira-Gonçalves
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Av. Professor Gama Pinto, 1649-003 Lisboa, Portugal; (J.L.); (T.F.-G.); (C.M.P.R.); (M.M.G.); (C.O.S.)
| | - Isabel V. Figueiredo
- Pharmacology and Pharmaceutical Care Laboratory, Faculty of Pharmacy, University of Coimbra, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal;
- Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
| | - Cecília M. P. Rodrigues
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Av. Professor Gama Pinto, 1649-003 Lisboa, Portugal; (J.L.); (T.F.-G.); (C.M.P.R.); (M.M.G.); (C.O.S.)
| | - Hugo Ferreira
- Instituto de Biofísica e Engenharia Biomédica, Faculdade de Ciências, Campo Grande, Universidade de Lisboa, 1749-016 Lisboa, Portugal; (H.F.); (J.M.P.C.)
| | - David Ferreira
- MED-Mediterranean Institute for Agriculture, Environment and Development, Department of Veterinary Medicine, University of Évora, Pólo da Mitra, 7002-554 Évora, Portugal;
| | - Ana S. Viana
- Centro de Química Estrutural, Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal;
| | - Pedro Faísca
- CBIOS-Research Center for Biosciences & Health Technologies, Universidade Lusófona de Humanidades e Tecnologias, Campo Grande 376, 1749-024 Lisboa, Portugal;
- Faculty of Veterinary Medicine, Universidade Lusófona de Humanidades e Tecnologias, Campo Grande 376, 1749-024 Lisboa, Portugal
| | - Maria Manuela Gaspar
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Av. Professor Gama Pinto, 1649-003 Lisboa, Portugal; (J.L.); (T.F.-G.); (C.M.P.R.); (M.M.G.); (C.O.S.)
| | - João M. P. Coelho
- Instituto de Biofísica e Engenharia Biomédica, Faculdade de Ciências, Campo Grande, Universidade de Lisboa, 1749-016 Lisboa, Portugal; (H.F.); (J.M.P.C.)
| | - Catarina Oliveira Silva
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Av. Professor Gama Pinto, 1649-003 Lisboa, Portugal; (J.L.); (T.F.-G.); (C.M.P.R.); (M.M.G.); (C.O.S.)
- Department of Biomedical Sciences, Faculty of Pharmacy, Campus Universitario, University of Alcalá, Ctra. A2 km 33,600, 28871 Alcalá de Henares, Spain
| | - Catarina Pinto Reis
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Av. Professor Gama Pinto, 1649-003 Lisboa, Portugal; (J.L.); (T.F.-G.); (C.M.P.R.); (M.M.G.); (C.O.S.)
- Instituto de Biofísica e Engenharia Biomédica, Faculdade de Ciências, Campo Grande, Universidade de Lisboa, 1749-016 Lisboa, Portugal; (H.F.); (J.M.P.C.)
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16
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Somasundaram R, Connelly T, Choi R, Choi H, Samarkina A, Li L, Gregorio E, Chen Y, Thakur R, Abdel-Mohsen M, Beqiri M, Kiernan M, Perego M, Wang F, Xiao M, Brafford P, Yang X, Xu X, Secreto A, Danet-Desnoyers G, Traum D, Kaestner KH, Huang AC, Hristova D, Wang J, Fukunaga-Kalabis M, Krepler C, Ping-Chen F, Zhou X, Gutierrez A, Rebecca VW, Vonteddu P, Dotiwala F, Bala S, Majumdar S, Dweep H, Wickramasinghe J, Kossenkov AV, Reyes-Arbujas J, Santiago K, Nguyen T, Griss J, Keeney F, Hayden J, Gavin BJ, Weiner D, Montaner LJ, Liu Q, Peiffer L, Becker J, Burton EM, Davies MA, Tetzlaff MT, Muthumani K, Wargo JA, Gabrilovich D, Herlyn M. Tumor-infiltrating mast cells are associated with resistance to anti-PD-1 therapy. Nat Commun 2021; 12:346. [PMID: 33436641 PMCID: PMC7804257 DOI: 10.1038/s41467-020-20600-7] [Citation(s) in RCA: 102] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 12/10/2020] [Indexed: 12/11/2022] Open
Abstract
Anti-PD-1 therapy is used as a front-line treatment for many cancers, but mechanistic insight into this therapy resistance is still lacking. Here we generate a humanized (Hu)-mouse melanoma model by injecting fetal liver-derived CD34+ cells and implanting autologous thymus in immune-deficient NOD-scid IL2Rγnull (NSG) mice. Reconstituted Hu-mice are challenged with HLA-matched melanomas and treated with anti-PD-1, which results in restricted tumor growth but not complete regression. Tumor RNA-seq, multiplexed imaging and immunohistology staining show high expression of chemokines, as well as recruitment of FOXP3+ Treg and mast cells, in selective tumor regions. Reduced HLA-class I expression and CD8+/Granz B+ T cells homeostasis are observed in tumor regions where FOXP3+ Treg and mast cells co-localize, with such features associated with resistance to anti-PD-1 treatment. Combining anti-PD-1 with sunitinib or imatinib results in the depletion of mast cells and complete regression of tumors. Our results thus implicate mast cell depletion for improving the efficacy of anti-PD-1 therapy. Immune checkpoint therapies (ICT) are promising for treating various cancers, but response rates vary. Here the authors show, in mouse models, that tumor-infiltrating mast cells colocalize with regulatory T cells, coincide with local reduction of MHC-I and CD8 T cells, and is associated with resistance to ICT, which can be reversed by c-kit inhibitor treatment.
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Affiliation(s)
| | | | - Robin Choi
- The Wistar Institute, Philadelphia, PA, USA
| | | | | | - Ling Li
- The Wistar Institute, Philadelphia, PA, USA
| | | | | | - Rohit Thakur
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, USA
| | | | | | | | | | - Fang Wang
- The Wistar Institute, Philadelphia, PA, USA
| | - Min Xiao
- The Wistar Institute, Philadelphia, PA, USA
| | | | - Xue Yang
- The Wistar Institute, Philadelphia, PA, USA
| | - Xiaowei Xu
- Department of Pathology and Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Anthony Secreto
- Department of Medicine, Stem Cell and Xenograft Core, University of Pennsylvania, Philadelphia, PA, USA
| | - Gwenn Danet-Desnoyers
- Department of Medicine, Stem Cell and Xenograft Core, University of Pennsylvania, Philadelphia, PA, USA
| | - Daniel Traum
- Department of Genetics and Institute for Diabetes, Obesity and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Klaus H Kaestner
- Department of Genetics and Institute for Diabetes, Obesity and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Alexander C Huang
- Department of Pathology and Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Johannes Griss
- Division of Immunology, Allergy and Infectious Diseases (DIAID), Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | | | | | | | | | | | - Qin Liu
- The Wistar Institute, Philadelphia, PA, USA
| | | | | | - Elizabeth M Burton
- Department of Surgical Oncology, MD Anderson Cancer Center, Houston, TX, USA
| | - Michael A Davies
- Department of Melanoma Medical Oncology, University of California, San Francisco, CA, USA
| | - Michael T Tetzlaff
- Department of Pathology and Dermatology, University of California, San Francisco, CA, USA
| | - Kar Muthumani
- The Wistar Institute, Philadelphia, PA, USA.,GeneOne Life Science Inc., Fort Washington, PA, USA
| | - Jennifer A Wargo
- Department of Surgical Oncology, MD Anderson Cancer Center, Houston, TX, USA
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17
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Mechanistic Insights into Synergy between Melanin-Targeting Radioimmunotherapy and Immunotherapy in Experimental Melanoma. Int J Mol Sci 2020; 21:ijms21228721. [PMID: 33218169 PMCID: PMC7698872 DOI: 10.3390/ijms21228721] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 11/09/2020] [Accepted: 11/16/2020] [Indexed: 02/07/2023] Open
Abstract
Melanoma incidence continues to rise, and while therapeutic approaches for early stage cases are effective, metastatic melanoma continues to be associated with high mortality. Immune checkpoint blockade (ICB) has demonstrated clinical success with approved drugs in cohorts of patients with metastatic melanoma and targeted radionuclide therapy strategies showed promise in several clinical trials against various cancers including metastatic melanoma. This led our group to investigate the combination of these two treatments which could be potentially offered to patients with metastatic melanoma not responsive to ICB alone. Previously, we have demonstrated that a combination of humanized anti-melanin antibody conjugated to 213Bismuth and anti-PD-1 ICB reduced tumor growth and increased survival in the Cloudman S91 murine melanoma DBA/2 mouse model. In the current study, we sought to improve the tumoricidal effect by using the long-lived radionuclides 177Lutetium and 225Actinium. Male Cloudman S91-bearing DBA/2 mice were treated intraperitoneally with PBS (Sham), unlabeled antibody to melanin, anti-PD-1 ICB, 177Lutetium or 225Actinium RIT, or a combination of ICB and RIT. Treatment with anti-PD-1 alone or low-dose 177Lutetium RIT alone resulted in modest tumor reduction, while their combination significantly reduced tumor growth and increased survival, suggesting synergy. 225Actinium RIT, alone or in combination with ICB, showed no therapeutic benefit, suggesting that the two radionuclides with different energetic properties work in distinct ways. We did not detect an increase in tumor-infiltrating T cells in the tumor microenvironment, which suggests the involvement of alternative mechanisms that improve the effect of combination therapy beyond that observed in the single therapies.
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18
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Mehdi A, Attias M, Mahmood N, Arakelian A, Mihalcioiu C, Piccirillo CA, Szyf M, Rabbani SA. Enhanced Anticancer Effect of a Combination of S-adenosylmethionine (SAM) and Immune Checkpoint Inhibitor (ICPi) in a Syngeneic Mouse Model of Advanced Melanoma. Front Oncol 2020; 10:1361. [PMID: 32983966 PMCID: PMC7492272 DOI: 10.3389/fonc.2020.01361] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 06/29/2020] [Indexed: 12/18/2022] Open
Abstract
Immune checkpoint inhibitors (ICPi) targeting the PD-1/PD-L1 pathway have shown marked success in patients with advanced melanoma. However, 60-70% of patients fail to respond, warranting a therapeutic intervention that could increase response rates. We and others have shown that S-adenosylmethionine (SAM), a universal methyl donor, has significant anticancer effects in numerous cancers previously; however, its effect on melanoma progression has not been evaluated. Interestingly, SAM was reported to be essential for T cell activation and proliferation and, thus, could potentially cooperate with ICPi and block melanoma progression. In this study, we examined the antitumor effects of SAM and ICPi alone and in combination in a well-established melanoma mouse model wherein syngeneic C57BL/6 mouse were subcutaneously (orthotopic) injected with B16-F1 cells. Treatment of mice with either SAM or anti-PD-1 antibody alone resulted in significant reduction in tumor volumes and weights; effects that were highest in mice treated with a combination of SAM+anti-PD-1. RNA-sequencing analysis of the primary tumors showed numerous differentially expressed genes (DEGs) following treatment with SAM+anti-PD-1, which was shown to downregulate cancer, MAPK, and tyrosine kinase pathways. Indeed, SAM+anti-PD-1 reversed the aberrant expression of some known melanoma genes. Tumor immunophenotyping revealed the SAM+anti-PD-1 combination was significantly more effective than either SAM or anti-PD-1 as the CD8+ T cells had higher activation, proliferation, and cytokine production compared to all other groups. This study shows that the combination of currently approved agents SAM and ICPi can effectively block melanoma via alteration of key genes/pathways implicated in cancer and immune response pathways, providing the rationale for the initiation of clinical trials with SAM and ICPi.
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Affiliation(s)
- Ali Mehdi
- Department of Medicine, McGill University, Montreal, QC, Canada.,Human Genetics, McGill University, Montreal, QC, Canada.,Program in Metabolic Disorders and Complications (MeDiC), Research Institute of the McGill University Health Centre, Montreal, QC, Canada
| | - Mikhael Attias
- Department of Medicine, McGill University, Montreal, QC, Canada.,Microbiology & Immunology, McGill University, Montreal, QC, Canada
| | - Niaz Mahmood
- Department of Medicine, McGill University, Montreal, QC, Canada.,Program in Metabolic Disorders and Complications (MeDiC), Research Institute of the McGill University Health Centre, Montreal, QC, Canada.,Experimental Medicine, McGill University, Montreal, QC, Canada
| | - Ani Arakelian
- Department of Medicine, McGill University, Montreal, QC, Canada.,Program in Metabolic Disorders and Complications (MeDiC), Research Institute of the McGill University Health Centre, Montreal, QC, Canada
| | | | - Ciriaco A Piccirillo
- Department of Medicine, McGill University, Montreal, QC, Canada.,Microbiology & Immunology, McGill University, Montreal, QC, Canada.,Experimental Medicine, McGill University, Montreal, QC, Canada.,Program in Infectious Diseases and Immunology in Global Health, Centre for Translational Biology, Research Institute of the McGill University Health Centre, Montreal, QC, Canada.,Centre of Excellence in Translational Immunology (CETI), Montreal, QC, Canada
| | - Moshe Szyf
- Department of Pharmacology, McGill University, Montreal, QC, Canada
| | - Shafaat Ahmed Rabbani
- Department of Medicine, McGill University, Montreal, QC, Canada.,Human Genetics, McGill University, Montreal, QC, Canada.,Program in Metabolic Disorders and Complications (MeDiC), Research Institute of the McGill University Health Centre, Montreal, QC, Canada.,Experimental Medicine, McGill University, Montreal, QC, Canada.,Department of Oncology, McGill University, Montreal, QC, Canada
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19
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Elmets CA, Yusuf N. Murine Skin Carcinogenesis and the Role of Immune System Dysregulation in the Tumorigenicity of 2-Ethylhexyl Acrylate. Biomed Hub 2020; 5:958-973. [PMID: 33564662 PMCID: PMC7841744 DOI: 10.1159/000508295] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 04/29/2020] [Indexed: 12/12/2022] Open
Abstract
Some chemicals act as human carcinogens in various organ systems including the skin. Mice have been an ideal model to study a wide variety of chemical carcinogens because the pathogenesis in that species often mirrors that in humans. However, different mouse strains vary in their susceptibility to these agents. Thus, reliance on a single strain may lead to inaccurate findings. 2-Ethylhexyl acrylate (2-EHA) is an acrylate used as a co-monomer in the production of polymer resins for adhesives, latex paints, cross-linking agents, finishes for textiles and leather, and paper coatings. Monomer exposure may occur in occupational settings where it is produced or used; the only exposure that may occur to consumers or construction personnel is trace amounts in the final polymer product. There are no reports of cancer in humans caused by exposure to 2-EHA. However, 2-EHA has been reported to cause cancer in one strain of mice. This is an important issue since recommendations about its safety in humans depend, in part, on information derived from animal studies. We reviewed the literature on the preclinical effects of acrylates on skin carcinogenesis in C3H/HeJ mice, which can be criticized because of peculiarities in the immunological composition of that strain, the lack of rigorous histopathologic characterization of tumors that developed, the high doses of 2-EHA that were used for evaluation, and the lack of reproducibility in a second strain of mice. The C3H/HeJ mouse model is not ideal as it has a mutation in Toll-like receptor 4 (TLR4) that impairs its innate and adaptive immune responses. Inconsistencies in the histological evaluation of tumors induced in C3H/HeJ mice provide further evidence that the tumorigenic effect of 2-EHA was strain specific, a result of chronic inflammation during the promotion stage and/or a skewed immune response caused by the TLR4 mutation. In conclusion, 2-EHA has not convincingly been demonstrated to have skin carcinogenic activity to date. More relevant mouse models that mimic human squamous cell carcinoma, basal cell carcinoma, and melanoma with amounts that do not exceed a maximum tolerated dose are needed to assess the carcinogenic effects of 2-EHA.
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Affiliation(s)
- Craig A. Elmets
- Department of Dermatology, University of Alabama at Birmingham, Birmingham, Alabama, USA
- O'Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, Alabama, USA
- Veteran Affairs Medical Center, Birmingham, Alabama, USA
| | - Nabiha Yusuf
- Department of Dermatology, University of Alabama at Birmingham, Birmingham, Alabama, USA
- O'Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, Alabama, USA
- Veteran Affairs Medical Center, Birmingham, Alabama, USA
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20
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Hargadon KM, Williams CJ. RNA-seq Analysis of Wild-Type vs. FOXC2-Deficient Melanoma Cells Reveals a Role for the FOXC2 Transcription Factor in the Regulation of Multiple Oncogenic Pathways. Front Oncol 2020; 10:267. [PMID: 32175283 PMCID: PMC7056877 DOI: 10.3389/fonc.2020.00267] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Accepted: 02/17/2020] [Indexed: 01/05/2023] Open
Affiliation(s)
- Kristian M Hargadon
- Hargadon Laboratory, Department of Biology, Hampden-Sydney College, Hampden-Sydney, VA, United States
| | - Corey J Williams
- Hargadon Laboratory, Department of Biology, Hampden-Sydney College, Hampden-Sydney, VA, United States
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21
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Evaluating the Combination of Radioimmunotherapy and Immunotherapy in a Melanoma Mouse Model. Int J Mol Sci 2020; 21:ijms21030773. [PMID: 31991626 PMCID: PMC7037880 DOI: 10.3390/ijms21030773] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 01/17/2020] [Accepted: 01/18/2020] [Indexed: 01/02/2023] Open
Abstract
Immunotherapy has changed the oncology landscape during the last decade and become standard of care for several cancers. The combinations of immunotherapy with other treatment modalities are also being investigated. One of the challenges to investigate such combinations is to identify suitable mouse models for the pre-clinical experiments. In the past, we and other researchers showed that murine B16-F10 melanoma in C57Bl6 mice is refractory to treatment with immune checkpoint inhibitors. In this work we studied the suitability of an alternative syngeneic model, Cloudman S91 murine melanoma in DBA/2 mouse (DBA/2NCrl), to study the combination of immunotherapy targeting PD-1 and radioimmunotherapy targeting melanin. DBA/2 male and female mice were injected subcutaneously with 3-6 million Cloudman S91 cells. When the tumors reached ~150 mm3 volume, the animals were treated intraperitoneally with PBS (sham), h8C3 unlabeled (cold) antibody to melanin, immunotherapy with anti-PD-1 antibody, radioimmunotherapy with 213Bismuth (213Bi)-labeled h8C3 antibody, or several combinations of immunotherapy and radioimmunotherapy. Treatments with immunotherapy alone produced very modest effect on the tumor size, while combination therapy resulted in significant slowing down of the tumor growth, increased animal survival, and no decrease in animal body weight. We conclude that Cloudman S91 murine melanoma in DBA/2 mouse is a suitable model to evaluate combination of immunotherapy of melanoma with tangentially targeted treatments.
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22
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Heparanase Inhibition by Pixatimod (PG545): Basic Aspects and Future Perspectives. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1221:539-565. [PMID: 32274726 DOI: 10.1007/978-3-030-34521-1_22] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Pixatimod is an inhibitor of heparanase, a protein which promotes cancer via its regulation of the extracellular environment by enzymatic cleavage of heparan sulfate (HS) and non-enzymatic signaling. Through its inhibition of heparanase and other HS-binding signaling proteins, pixatimod blocks a number of pro-cancerous processes including cell proliferation, invasion, metastasis, angiogenesis and epithelial-mesenchymal transition. Several laboratories have found that these activities have translated into potent activity using a range of different mouse cancer models, including approximately 30 xenograft and 20 syngeneic models. Analyses of biological samples from these studies have confirmed the heparanase targeting of this agent in vivo and the broad spectrum of anti-cancer effects that heparanase blockade achieves. Pixatimod has been tested in combination with a number of approved anti-cancer drugs demonstrating its clinical potential, including with gemcitabine, paclitaxel, sorafenib, platinum agents and an anti-PD-1 antibody. Clinical testing has shown pixatimod to be well tolerated as a monotherapy, and it is currently being investigated in combination with the anti-PD-1 drug nivolumab in a pancreatic cancer phase I trial.
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23
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Horak V, Palanova A, Cizkova J, Miltrova V, Vodicka P, Kupcova Skalnikova H. Melanoma-Bearing Libechov Minipig (MeLiM): The Unique Swine Model of Hereditary Metastatic Melanoma. Genes (Basel) 2019; 10:E915. [PMID: 31717496 PMCID: PMC6895830 DOI: 10.3390/genes10110915] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 10/31/2019] [Accepted: 11/07/2019] [Indexed: 12/12/2022] Open
Abstract
National cancer databases document that melanoma is the most aggressive and deadly cutaneous malignancy with worldwide increasing incidence in the Caucasian population. Around 10% of melanomas occur in families. Several germline mutations were identified that might help to indicate individuals at risk for preventive interventions and early disease detection. More than 50% of sporadic melanomas carry mutations in Ras/Raf/mitogen-activated protein kinase (MAPK/MEK) pathway, which may represent aims of novel targeted therapies. Despite advances in targeted therapies and immunotherapies, the outcomes in metastatic tumor are still unsatisfactory. Here, we review animal models that help our understanding of melanoma development and treatment, including non-vertebrate, mouse, swine, and other mammal models, with an emphasis on those with spontaneously developing melanoma. Special attention is paid to the melanoma-bearing Libechov minipig (MeLiM). This original swine model of hereditary metastatic melanoma enables studying biological processes underlying melanoma progression, as well as spontaneous regression. Current histological, immunohistochemical, biochemical, genetic, hematological, immunological, and skin microbiome findings in the MeLiM model are summarized, together with development of new therapeutic approaches based on tumor devitalization. The ongoing study of molecular and immunological base of spontaneous regression in MeLiM model has potential to bring new knowledge of clinical importance.
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Affiliation(s)
| | | | | | | | | | - Helena Kupcova Skalnikova
- Czech Academy of Sciences, Institute of Animal Physiology and Genetics, Laboratory of Applied Proteome Analyses and Research Center PIGMOD, 277 21 Libechov, Czech Republic; (V.H.); (A.P.); (J.C.); (V.M.); (P.V.)
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24
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Melanoma Growth Analysis in Blood Serum and Tissue Using Xenograft Model with Response to Cold Atmospheric Plasma Activated Medium. APPLIED SCIENCES-BASEL 2019. [DOI: 10.3390/app9204227] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Background: Cold atmospheric plasma (CAP) proposed as a novel therapeutic tool for the various kinds of cancer treatment. Cold atmospheric Plasma-Activated Media (PAM) has exhibited its promising application in plasma medicine for the treatment of cancer. Methods: We investigated the role of PAM on the human melanoma cancer G-361 cells xenograft in vivo by estimating the biochemical and gene expression of apoptotic genes. Results: Reactive oxygen and nitrogen species (RONS) generated by PAM could significantly decrease the tumor volume (40%) and tumor weight (26%) when administered intradermally (i.d.) into the melanoma region continuously for three days. Biochemical studies in blood serum along with excised melanoma samples revealed an increase in protein carbonylation and MDA content as compared to the control, while LDH and L-DOPA in serum and melanoma tissues were decreased significantly in PAM treated group. PAM generated RONS increased apoptotic genes like Bcl-2, Bax, Parp, Casp8, and P53 in melanoma tissue. Immunohistochemistry data confirms that PAM treatment increased apoptosis at the tissue level. Conclusions: These results suggested that RONS present in PAM inhibit the induction of xenograft melanoma cancer cells through the induction of apoptosis and upregulating of various biochemical parameters within blood serum and melanoma.
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25
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Couto GK, Segatto NV, Oliveira TL, Seixas FK, Schachtschneider KM, Collares T. The Melding of Drug Screening Platforms for Melanoma. Front Oncol 2019; 9:512. [PMID: 31293965 PMCID: PMC6601395 DOI: 10.3389/fonc.2019.00512] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 05/28/2019] [Indexed: 12/30/2022] Open
Abstract
The global incidence of cancer is rising rapidly and continues to be one of the leading causes of death in the world. Melanoma deserves special attention since it represents one of the fastest growing types of cancer, with advanced metastatic forms presenting high mortality rates due to the development of drug resistance. The aim of this review is to evaluate how the screening of drugs and compounds for melanoma has been performed over the last seven decades. Thus, we performed literature searches to identify melanoma drug screening methods commonly used by research groups during this timeframe. In vitro and in vivo tests are essential for the development of new drugs; however, incorporation of in silico analyses increases the possibility of finding more suitable candidates for subsequent tests. In silico techniques, such as molecular docking, represent an important and necessary first step in the screening process. However, these techniques have not been widely used by research groups to date. Our research has shown that the vast majority of research groups still perform in vitro and in vivo tests, with emphasis on the use of in vitro enzymatic tests on melanoma cell lines such as SKMEL and in vivo tests using the B16 mouse model. We believe that the union of these three approaches (in silico, in vitro, and in vivo) is essential for improving the discovery and development of new molecules with potential antimelanoma action. This workflow would provide greater confidence and safety for preclinical trials, which will translate to more successful clinical trials and improve the translatability of new melanoma treatments into clinical practice while minimizing the unnecessary use of laboratory animals under the principles of the 3R's.
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Affiliation(s)
- Gabriela Klein Couto
- Research Group in Molecular and Cellular Oncology, Postgraduate Program in Biochemistry and Bioprospecting, Cancer Biotechnology Laboratory, Center for Technological Development, Federal University of Pelotas, Pelotas, Brazil
| | - Natália Vieira Segatto
- Biotechnology Graduate Program, Molecular and Cellular Oncology Research Group, Laboratory of Cancer Biotechnology, Technology Development Center, Federal University of Pelotas, Pelotas, Brazil
| | - Thaís Larré Oliveira
- Biotechnology Graduate Program, Molecular and Cellular Oncology Research Group, Laboratory of Cancer Biotechnology, Technology Development Center, Federal University of Pelotas, Pelotas, Brazil
| | - Fabiana Kömmling Seixas
- Biotechnology Graduate Program, Molecular and Cellular Oncology Research Group, Laboratory of Cancer Biotechnology, Technology Development Center, Federal University of Pelotas, Pelotas, Brazil
| | - Kyle M Schachtschneider
- Department of Radiology, University of Illinois at Chicago, Chicago, IL, United States.,Department of Biochemistry & Molecular Genetics, University of Illinois at Chicago, Chicago, IL, United States.,National Center for Supercomputing Applications, University of Illinois at Urbana-Champaign, Urbana, IL, United States
| | - Tiago Collares
- Biotechnology Graduate Program, Molecular and Cellular Oncology Research Group, Laboratory of Cancer Biotechnology, Technology Development Center, Federal University of Pelotas, Pelotas, Brazil
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26
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Song IS, Jeong YJ, Kim JE, Shin J, Jang SW. Frugoside Induces Mitochondria-Mediated Apoptotic Cell Death through Inhibition of Sulfiredoxin Expression in Melanoma Cells. Cancers (Basel) 2019; 11:cancers11060854. [PMID: 31248223 PMCID: PMC6627655 DOI: 10.3390/cancers11060854] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 06/12/2019] [Accepted: 06/18/2019] [Indexed: 01/06/2023] Open
Abstract
Malignant melanoma is the most life-threatening neoplasm of the skin. Despite the increase in incidence, melanoma is becoming more resistant to current therapeutic agents. The bioactive compound frugoside has been recently reported to inhibit growth when used in various cancer cells. However, this effect has not been demonstrated in melanoma. Here, we found that frugoside inhibited the rate of reduction of hyperoxidized peroxiredoxins (Prxs) by downregulating sulfiredoxin (Srx) expression. Furthermore, frugoside increased the accumulation of sulfinic Prxs and reactive oxygen species (ROS) and stimulated p-p38 activation, resulting in the mitochondria-mediated death of M14 and A375 human melanoma cells. The mitochondria-mediated cell death induced by frugoside was inhibited by the overexpression of Srx and antioxidants, such as N-acetyl cysteine and diphenyleneiodonium. In addition, we observed that frugoside inhibited tumor growth without toxicity through a M14 xenograft animal model. Taken together, our findings reveal that frugoside exhibits a novel antitumor effect based on a ROS-mediated cell death in melanoma cells, which may have therapeutic implications.
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Affiliation(s)
- In-Sung Song
- Department of Biomedical Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul 138-736, Korea.
| | - Yu Jeong Jeong
- Department of Biomedical Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul 138-736, Korea.
- Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 138-736, Korea.
| | - Ji Eun Kim
- Department of Biomedical Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul 138-736, Korea.
- Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 138-736, Korea.
| | - Jimin Shin
- Department of Biomedical Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul 138-736, Korea.
- Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 138-736, Korea.
| | - Sung-Wuk Jang
- Department of Biomedical Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul 138-736, Korea.
- Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 138-736, Korea.
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul 138-736, Korea.
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27
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Fenwick C, Loredo-Varela JL, Joo V, Pellaton C, Farina A, Rajah N, Esteves-Leuenberger L, Decaillon T, Suffiotti M, Noto A, Ohmiti K, Gottardo R, Weissenhorn W, Pantaleo G. Tumor suppression of novel anti-PD-1 antibodies mediated through CD28 costimulatory pathway. J Exp Med 2019; 216:1525-1541. [PMID: 31123083 PMCID: PMC6605749 DOI: 10.1084/jem.20182359] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 03/20/2019] [Accepted: 05/01/2019] [Indexed: 12/31/2022] Open
Abstract
Novel anti–PD-1 antibodies (Abs) not blocking the PD-1–PDL-1 interaction are presented with equivalent antagonistic activity to classical blocking anti–PD-1 Abs and have distinct mechanisms of action that synergize in functional recovery of exhausted CD8 T cells and enhancing tumor suppression in an immunogenic mouse tumor model. Classical antagonistic antibodies (Abs) targeting PD-1, such as pembrolizumab and nivolumab, act through blockade of the PD-1–PDL-1 interaction. Here, we have identified novel antagonistic anti–PD-1 Abs not blocking the PD-1–PDL-1 interaction. The nonblocking Abs recognize epitopes on PD-1 located on the opposing face of the PDL-1 interaction and overlap with a newly identified evolutionarily conserved patch. These nonblocking Abs act predominantly through the CD28 coreceptor. Importantly, a combination of blocking and nonblocking Abs synergize in the functional recovery of antigen-specific exhausted CD8 T cells. Interestingly, nonblocking anti–PD-1 Abs have equivalent antitumor activity compared with blocker Abs in two mouse tumor models, and combination therapy using both classes of Abs enhanced tumor suppression in the mouse immunogenic tumor model. The identification of the novel nonblocker anti–PD-1 Abs and their synergy with classical blocker Abs may be instrumental in potentiating immunotherapy strategies and antitumor activity.
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Affiliation(s)
- Craig Fenwick
- Service of Immunology and Allergy, Department of Medicine, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
| | - Juan-Luis Loredo-Varela
- University Grenoble Alpes, Commissariat à l'Energie Atomique, Centre National de la Recherche Scientifique, Institut de Biologie Structurale, Grenoble, France
| | - Victor Joo
- Service of Immunology and Allergy, Department of Medicine, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
| | - Céline Pellaton
- Service of Immunology and Allergy, Department of Medicine, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
| | - Alex Farina
- Service of Immunology and Allergy, Department of Medicine, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
| | - Navina Rajah
- Service of Immunology and Allergy, Department of Medicine, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
| | - Line Esteves-Leuenberger
- Service of Immunology and Allergy, Department of Medicine, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
| | - Thibaut Decaillon
- Service of Immunology and Allergy, Department of Medicine, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
| | - Madeleine Suffiotti
- Service of Immunology and Allergy, Department of Medicine, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
| | - Alessandra Noto
- Service of Immunology and Allergy, Department of Medicine, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
| | - Khalid Ohmiti
- Service of Immunology and Allergy, Department of Medicine, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
| | - Raphael Gottardo
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Winfried Weissenhorn
- University Grenoble Alpes, Commissariat à l'Energie Atomique, Centre National de la Recherche Scientifique, Institut de Biologie Structurale, Grenoble, France
| | - Giuseppe Pantaleo
- Service of Immunology and Allergy, Department of Medicine, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland .,Swiss Vaccine Research Institute, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
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28
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Li S, Song Y, Quach C, Guo H, Jang GB, Maazi H, Zhao S, Sands NA, Liu Q, In GK, Peng D, Yuan W, Machida K, Yu M, Akbari O, Hagiya A, Yang Y, Punj V, Tang L, Liang C. Transcriptional regulation of autophagy-lysosomal function in BRAF-driven melanoma progression and chemoresistance. Nat Commun 2019; 10:1693. [PMID: 30979895 PMCID: PMC6461621 DOI: 10.1038/s41467-019-09634-8] [Citation(s) in RCA: 108] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Accepted: 03/21/2019] [Indexed: 02/07/2023] Open
Abstract
Autophagy maintains homeostasis and is induced upon stress. Yet, its mechanistic interaction with oncogenic signaling remains elusive. Here, we show that in BRAFV600E-melanoma, autophagy is induced by BRAF inhibitor (BRAFi), as part of a transcriptional program coordinating lysosome biogenesis/function, mediated by the TFEB transcription factor. TFEB is phosphorylated and thus inactivated by BRAFV600E via its downstream ERK independently of mTORC1. BRAFi disrupts TFEB phosphorylation, allowing its nuclear translocation, which is synergized by increased phosphorylation/inactivation of the ZKSCAN3 transcriptional repressor by JNK2/p38-MAPK. Blockade of BRAFi-induced transcriptional activation of autophagy-lysosomal function in melanoma xenografts causes enhanced tumor progression, EMT-transdifferentiation, metastatic dissemination, and chemoresistance, which is associated with elevated TGF-β levels and enhanced TGF-β signaling. Inhibition of TGF-β signaling restores tumor differentiation and drug responsiveness in melanoma cells. Thus, the "BRAF-TFEB-autophagy-lysosome" axis represents an intrinsic regulatory pathway in BRAF-mutant melanoma, coupling BRAF signaling with TGF-β signaling to drive tumor progression and chemoresistance.
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Affiliation(s)
- Shun Li
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, China
| | - Ying Song
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA
| | - Christine Quach
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA
| | - Hongrui Guo
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA
- College of Veterinary Medicine, Sichuan Agriculture University, Chengdu, 611130, China
| | - Gyu-Beom Jang
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA
| | - Hadi Maazi
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA
| | - Shihui Zhao
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA
| | - Nathaniel A Sands
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA
| | - Qingsong Liu
- High Magnetic Field Laboratory, Chinese Academy of Sciences, 350 Shushan Hu Road, Hefei, 230031, China
| | - Gino K In
- Norris Comprehensive Cancer, Division of Oncology, University of Southern California, Los Angeles, CA, 90033, USA
| | - David Peng
- Department of Dermatology, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA
| | - Weiming Yuan
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA
| | - Keigo Machida
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA
| | - Min Yu
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA
| | - Omid Akbari
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA
| | - Ashley Hagiya
- Department of Pathology, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA
| | - Yongfei Yang
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA
| | - Vasu Punj
- Department of Pathology, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA
- Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA
| | - Liling Tang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, China.
| | - Chengyu Liang
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA.
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29
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Piotrowska A, Wierzbicka J, Rybarczyk A, Tuckey RC, Slominski AT, Żmijewski MA. Vitamin D and its low calcemic analogs modulate the anticancer properties of cisplatin and dacarbazine in the human melanoma A375 cell line. Int J Oncol 2019; 54:1481-1495. [PMID: 30968156 PMCID: PMC6411347 DOI: 10.3892/ijo.2019.4725] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 01/14/2019] [Indexed: 12/11/2022] Open
Abstract
Melanoma represents a significant challenge in cancer treatment due to the high drug resistance of melanomas and the patient mortality rate. This study presents data indicating that nanomolar concentrations of the hormonally active form of vitamin D, 1α,25-dihydroxyvitamin D3 [1α,25(OH)2D3], its non-calcemic analogues 20S-hydroxyvitamin D3 and 21-hydroxypregnacalciferol, as well as the low-calcemic synthetic analog calcipotriol, modulate the efficacy of the anticancer drugs cisplatin and dacarbazine. It was observed that vitamin D analogs sensitized melanoma A375 cells to hydrogen peroxide used as an inducer of oxidative stress. On the other hand, only 1α,25(OH)2D3 resulted in a minor, but significant effect on the proliferation of melanoma cells treated simultaneously with dacarbazine, but not cisplatin. Notably, cisplatin (300 µM) exhibited a higher overall antiproliferative activity than dacarbazine. Cisplatin treatment of melanoma cells resulted in an induction of apoptosis as demonstrated by flow cytometry (accumulation of cells at the subG1 phase of the cell cycle), whereas dacarbazine caused G1/G0 cell cycle arrest, with the effects being improved by pre-treatment with vitamin D analogs. Treatment with cisplatin resulted in an initial increase in the level of reactive oxygen species (ROS). Dacarbazine caused transient stimulation of ROS levels and the mitochondrial membrane potential (Δψm) (after 1 or 3 h of treatment, respectively), but the effect was not detectable following prolonged (24 h) incubation with the drug. Vitamin D exhibited modulatory effects on the cells treated with dacarbazine, decreasing the half maximal inhibitory concentration (IC50) for the drug, stimulating G1/G0 arrest and causing a marked decrease in Δψm. Finally, cisplatin, dacarbazine and 1α,25(OH)2D3 displayed modulatory effects on the expression of ROS and vitamin D-associated genes in the melanoma A375 cells. In conclusion, nanomolar concentrations of 1,25(OH)2D3 only had minor effects on the proliferation of melanoma cells treated with dacarbazine, decreasing the relative IC50 value. However, co-treatment with vitamin D analogs resulted in the modulation of cell cycle and ROS responses, and affected gene expression, suggesting possible crosstalk between the signaling pathways of vitamin D and the anticancer drugs used in this study.
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Affiliation(s)
- Anna Piotrowska
- Department of Histology, Faculty of Medicine, Medical University of Gdansk, 80‑211 Gdansk, Poland
| | - Justyna Wierzbicka
- Department of Histology, Faculty of Medicine, Medical University of Gdansk, 80‑211 Gdansk, Poland
| | - Agnieszka Rybarczyk
- Department of Histology, Faculty of Medicine, Medical University of Gdansk, 80‑211 Gdansk, Poland
| | - Robert C Tuckey
- School of Molecular Sciences, Faculty of Science, The University of Western Australia, Perth, Western Australia 6009, Australia
| | - Andrzej T Slominski
- Department of Dermatology, Cancer Chemoprevention Program, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Michał A Żmijewski
- Department of Histology, Faculty of Medicine, Medical University of Gdansk, 80‑211 Gdansk, Poland
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30
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Jeter JM, Bowles TL, Curiel-Lewandrowski C, Swetter SM, Filipp FV, Abdel-Malek ZA, Geskin LJ, Brewer JD, Arbiser JL, Gershenwald JE, Chu EY, Kirkwood JM, Box NF, Funchain P, Fisher DE, Kendra KL, Marghoob AA, Chen SC, Ming ME, Albertini MR, Vetto JT, Margolin KA, Pagoto SL, Hay JL, Grossman D, Ellis DL, Kashani-Sabet M, Mangold AR, Markovic SN, Meyskens FL, Nelson KC, Powers JG, Robinson JK, Sahni D, Sekulic A, Sondak VK, Wei ML, Zager JS, Dellavalle RP, Thompson JA, Weinstock MA, Leachman SA, Cassidy PB. Chemoprevention agents for melanoma: A path forward into phase 3 clinical trials. Cancer 2019; 125:18-44. [PMID: 30281145 PMCID: PMC6860362 DOI: 10.1002/cncr.31719] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 06/10/2018] [Accepted: 07/12/2018] [Indexed: 12/12/2022]
Abstract
Recent progress in the treatment of advanced melanoma has led to unprecedented improvements in overall survival and, as these new melanoma treatments have been developed and deployed in the clinic, much has been learned about the natural history of the disease. Now is the time to apply that knowledge toward the design and clinical evaluation of new chemoprevention agents. Melanoma chemoprevention has the potential to reduce dramatically both the morbidity and the high costs associated with treating patients who have metastatic disease. In this work, scientific and clinical melanoma experts from the national Melanoma Prevention Working Group, composed of National Cancer Trials Network investigators, discuss research aimed at discovering and developing (or repurposing) drugs and natural products for the prevention of melanoma and propose an updated pipeline for translating the most promising agents into the clinic. The mechanism of action, preclinical data, epidemiological evidence, and results from available clinical trials are discussed for each class of compounds. Selected keratinocyte carcinoma chemoprevention studies also are considered, and a rationale for their inclusion is presented. These data are summarized in a table that lists the type and level of evidence available for each class of agents. Also included in the discussion is an assessment of additional research necessary and the likelihood that a given compound may be a suitable candidate for a phase 3 clinical trial within the next 5 years.
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Affiliation(s)
- Joanne M Jeter
- Department of Medicine, Divisions of Genetics and Oncology, The Ohio State University, Columbus, Ohio
| | - Tawnya L Bowles
- Department of Surgery, Intermountain Health Care, Huntsman Cancer Institute, University of Utah Health Sciences Center, Salt Lake City, Utah
| | | | - Susan M Swetter
- Department of Dermatology, Pigmented Lesion and Melanoma Program, Stanford University Medical Center Cancer Institute, Veterans Affairs Palo Alto Health Care System, Palo Alto, California
| | - Fabian V Filipp
- Systems Biology and Cancer Metabolism, Program for Quantitative Systems Biology, University of California Merced, Merced, California
| | | | - Larisa J Geskin
- Department of Dermatology, Cutaneous Oncology Center, Columbia University Medical Center, New York, New York
| | - Jerry D Brewer
- Department of Dermatologic Surgery, Mayo Clinic Minnesota, Rochester, Minnesota
| | - Jack L Arbiser
- Department of Dermatology, Emory University School of Medicine, Atlanta, Georgia
- Division of Dermatology, Veterans Affairs Medical Center, Atlanta, Georgia
| | - Jeffrey E Gershenwald
- Departments of Surgical Oncology and Cancer Biology, Melanoma and Skin Cancer Center, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Emily Y Chu
- Department of Dermatology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - John M Kirkwood
- Melanoma and Skin Cancer Program, Department of Medicine, University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania
| | - Neil F Box
- Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, Colorado
- Dermatology Service, U.S. Department of Veterans Affairs, Eastern Colorado Health Care System, Denver, Colorado
- Department of Epidemiology, Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | | | - David E Fisher
- Department of Dermatology, Massachusetts General Hospital, Boston, Massachusetts
| | - Kari L Kendra
- Department of Internal Medicine, Medical Oncology Division, The Ohio State University, Columbus, Ohio
| | - Ashfaq A Marghoob
- Memorial Sloan Kettering Skin Cancer Center and Department of Dermatology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Suephy C Chen
- Department of Dermatology, Emory University School of Medicine, Atlanta, Georgia
- Division of Dermatology, Veterans Affairs Medical Center, Atlanta, Georgia
| | - Michael E Ming
- Department of Dermatology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Mark R Albertini
- Department of Medicine, University of Wisconsin, School of Medicine and Public Health, University of Wisconsin Carbone Cancer Center, William S. Middleton Memorial Veterans Hospital, Madison, Wisconsin
| | - John T Vetto
- Division of Surgical Oncology, Oregon Health & Science University, Portland, Oregon
| | - Kim A Margolin
- Department of Medical Oncology, City of Hope National Medical Center, Duarte, California
| | - Sherry L Pagoto
- Department of Allied Health Sciences, UConn Institute for Collaboration in Health, Interventions, and Policy, University of Connecticut, Storrs, Connecticut
| | - Jennifer L Hay
- Department of Psychiatry and Behavioral Sciences, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Douglas Grossman
- Departments of Dermatology and Oncological Sciences, Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah
| | - Darrel L Ellis
- Department of Dermatology, Vanderbilt University Medical Center and Division of Dermatology, Vanderbilt Ingram Cancer Center, Nashville, Tennessee
- Department of Medicine, Tennessee Valley Healthcare System, Nashville Veterans Affairs Medical Center, Nashville, Tennessee
| | - Mohammed Kashani-Sabet
- Center for Melanoma Research and Treatment, California Pacific Medical Center, San Francisco, California
| | | | | | | | - Kelly C Nelson
- Department of Dermatology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | | | - June K Robinson
- Department of Dermatology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Debjani Sahni
- Department of Dermatology, Boston Medical Center, Boston, Massachusetts
| | | | - Vernon K Sondak
- Department of Cutaneous Oncology, H. Lee Moffitt Cancer Center, Tampa, Florida
- Departments of Oncologic Sciences and Surgery, University of South Florida Morsani College of Medicine, Tampa, Florida
| | - Maria L Wei
- Department of Dermatology, University of California, San Francisco, San Francisco, California
- Dermatology Service, San Francisco Veterans Affairs Medical Center, San Francisco, California
| | - Jonathan S Zager
- Department of Cutaneous Oncology, H. Lee Moffitt Cancer Center, Tampa, Florida
- Department of Sarcoma, H. Lee Moffitt Cancer Center, Tampa, Florida
| | - Robert P Dellavalle
- Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, Colorado
- Dermatology Service, U.S. Department of Veterans Affairs, Eastern Colorado Health Care System, Denver, Colorado
- Department of Epidemiology, Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - John A Thompson
- Fred Hutchinson Cancer Research Center, University of Washington, Seattle, Washington
| | - Martin A Weinstock
- Center for Dermatoepidemiology, Veterans Affairs Medical Center, Providence, Rhode Island
- Department of Dermatology, Brown University, Providence, Rhode Island
- Department of Epidemiology, Brown University, Providence, Rhode Island
- Department of Dermatology, Rhode Island Hospital, Providence, Rhode Island
| | - Sancy A Leachman
- Department of Dermatology, Knight Cancer Institute, Oregon Health & Science University, Portland, Oregon
| | - Pamela B Cassidy
- Department of Dermatology, Knight Cancer Institute, Oregon Health & Science University, Portland, Oregon
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31
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Jacquelot N, Duong CPM, Belz GT, Zitvogel L. Targeting Chemokines and Chemokine Receptors in Melanoma and Other Cancers. Front Immunol 2018; 9:2480. [PMID: 30420855 PMCID: PMC6215820 DOI: 10.3389/fimmu.2018.02480] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Accepted: 10/08/2018] [Indexed: 12/19/2022] Open
Abstract
The tumor microenvironment is highly heterogeneous. It is composed of a diverse array of immune cells that are recruited continuously into lesions. They are guided into the tumor through interactions between chemokines and their receptors. A variety of chemokine receptors are expressed on the surface of both tumor and immune cells rendering them sensitive to multiple stimuli that can subsequently influence their migration and function. These features significantly impact tumor fate and are critical in melanoma control and progression. Indeed, particular chemokine receptors expressed on tumor and immune cells are strongly associated with patient prognosis. Thus, potential targeting of chemokine receptors is highly attractive as a means to quench or eliminate unconstrained tumor cell growth.
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Affiliation(s)
- Nicolas Jacquelot
- Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, VIC, Australia
| | - Connie P M Duong
- Gustave Roussy Comprehensive Cancer Institute, Villejuif, France.,INSERM U1015, Villejuif, France
| | - Gabrielle T Belz
- Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, VIC, Australia
| | - Laurence Zitvogel
- Gustave Roussy Comprehensive Cancer Institute, Villejuif, France.,INSERM U1015, Villejuif, France.,Faculty of Medicine, Paris Sud/Paris XI University, LeKremlin-Bicêtre, France.,Center of Clinical Investigations in Biotherapies of Cancer (CICBT) 1428, Villejuif, France
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32
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Cutaneous Melanoma-A Long Road from Experimental Models to Clinical Outcome: A Review. Int J Mol Sci 2018; 19:ijms19061566. [PMID: 29795011 PMCID: PMC6032347 DOI: 10.3390/ijms19061566] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 05/21/2018] [Accepted: 05/22/2018] [Indexed: 02/07/2023] Open
Abstract
Cutaneous melanoma is a complex disorder characterized by an elevated degree of heterogeneity, features that place it among the most aggressive types of cancer. Although significant progress was recorded in both the understanding of melanoma biology and genetics, and in therapeutic approaches, this malignancy still represents a major problem worldwide due to its high incidence and the lack of a curative treatment for advanced stages. This review offers a survey of the most recent information available regarding the melanoma epidemiology, etiology, and genetic profile. Also discussed was the topic of cutaneous melanoma murine models outlining the role of these models in understanding the molecular pathways involved in melanoma initiation, progression, and metastasis.
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33
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Campbell S, Suwan K, Waramit S, Aboagye EO, Hajitou A. Selective Inhibition of Histone Deacetylation in Melanoma Increases Targeted Gene Delivery by a Bacteriophage Viral Vector. Cancers (Basel) 2018; 10:E125. [PMID: 29690504 PMCID: PMC5923380 DOI: 10.3390/cancers10040125] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Revised: 04/16/2018] [Accepted: 04/19/2018] [Indexed: 01/14/2023] Open
Abstract
The previously developed adeno-associated virus/phage (AAVP) vector, a hybrid between M13 bacteriophage (phage) viruses that infect bacteria only and human Adeno-Associated Virus (AAV), is a promising tool in targeted gene therapy against cancer. AAVP can be administered systemically and made tissue specific through the use of ligand-directed targeting. Cancer cells and tumor-associated blood vessels overexpress the αν integrin receptors, which are involved in tumor angiogenesis and tumor invasion. AAVP is targeted to these integrins via a double cyclic RGD4C ligand displayed on the phage capsid. Nevertheless, there remain significant host-defense hurdles to the use of AAVP in targeted gene delivery and subsequently in gene therapy. We previously reported that histone deacetylation in cancer constitutes a barrier to AAVP. Herein, to improve AAVP-mediated gene delivery to cancer cells, we combined the vector with selective adjuvant chemicals that inhibit specific histone deacetylases (HDAC). We examined the effects of the HDAC inhibitor C1A that mainly targets HDAC6 and compared this to sodium butyrate, a pan-HDAC inhibitor with broad spectrum HDAC inhibition. We tested the effects on melanoma, known for HDAC6 up-regulation, and compared this side by side with a normal human kidney HEK293 cell line. Varying concentrations were tested to determine cytotoxic levels as well as effects on AAVP gene delivery. We report that the HDAC inhibitor C1A increased AAVP-mediated transgene expression by up to ~9-fold. These findings indicate that selective HDAC inhibition is a promising adjuvant treatment for increasing the therapeutic value of AAVP.
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Affiliation(s)
- Samuel Campbell
- Cancer Phage Therapy Laboratory, Division of Brain Sciences, Burlington Danes Building, Hammersmith Hospital Campus, Imperial College London, Du Cane Road, London W12 0NN, UK.
| | - Keittisak Suwan
- Cancer Phage Therapy Laboratory, Division of Brain Sciences, Burlington Danes Building, Hammersmith Hospital Campus, Imperial College London, Du Cane Road, London W12 0NN, UK.
| | - Sajee Waramit
- Cancer Phage Therapy Laboratory, Division of Brain Sciences, Burlington Danes Building, Hammersmith Hospital Campus, Imperial College London, Du Cane Road, London W12 0NN, UK.
| | - Eric Ofori Aboagye
- Comprehensive Cancer Imaging Centre, Faculty of Medicine, Hammersmith Hospital Campus, Imperial College London, Du Cane Road, London W12 0NN, UK.
| | - Amin Hajitou
- Cancer Phage Therapy Laboratory, Division of Brain Sciences, Burlington Danes Building, Hammersmith Hospital Campus, Imperial College London, Du Cane Road, London W12 0NN, UK.
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34
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Cordeiro MF, Marmitt LP, Horn AP. Subcutaneous injection of multipotent mesenchymal stromal cells admixed with melanoma cells in mice favors tumor incidence and growth: a systematic review and meta-analysis. Arch Dermatol Res 2018; 310:231-240. [DOI: 10.1007/s00403-018-1819-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 01/22/2018] [Accepted: 01/29/2018] [Indexed: 12/20/2022]
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35
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Riedel T, Demaria O, Zava O, Joncic A, Gilliet M, Dyson PJ. Drug Repurposing Approach Identifies a Synergistic Drug Combination of an Antifungal Agent and an Experimental Organometallic Drug for Melanoma Treatment. Mol Pharm 2018; 15:116-126. [PMID: 29185769 DOI: 10.1021/acs.molpharmaceut.7b00764] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
By screening a drug library comprising FDA approved compounds, we discovered a potent interaction between the antifungal agent haloprogin and the experimental organometallic drug RAPTA-T, to synergistically induce cancer cell killing. The combination of these two small molecules, even at low doses, elicited an improved therapeutic response on tumor growth over either agent alone or the current treatment used in the clinic in the highly aggressive syngeneic B16F10 melanoma tumor model, where classical cytotoxic chemotherapeutic agents show little efficacy. The combination with the repurposed chemodrug haloprogin provides the basis for a new powerful treatment option for cutaneous melanoma. Importantly, because synergistic induction of tumor cell death is achieved with low individual drug doses, and cellular targets for RAPTA-T are different from those of classical chemotherapeutic drugs, a therapeutic strategy based on this approach could avoid toxicities and potentially resistance mechanisms, and could even inhibit metastatic progression.
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Affiliation(s)
- Tina Riedel
- Laboratory of Organometallic and Medicinal Chemistry, Institute of Chemical Sciences and Engineering, Swiss Federal Institute of Technology (EPFL) , 1015 Lausanne, Switzerland
| | - Olivier Demaria
- Department of Dermatology, University Hospital of Lausanne , 1011 Lausanne, Switzerland
| | - Olivier Zava
- Laboratory of Organometallic and Medicinal Chemistry, Institute of Chemical Sciences and Engineering, Swiss Federal Institute of Technology (EPFL) , 1015 Lausanne, Switzerland
| | - Ana Joncic
- Department of Dermatology, University Hospital of Lausanne , 1011 Lausanne, Switzerland
| | - Michel Gilliet
- Department of Dermatology, University Hospital of Lausanne , 1011 Lausanne, Switzerland
| | - Paul J Dyson
- Laboratory of Organometallic and Medicinal Chemistry, Institute of Chemical Sciences and Engineering, Swiss Federal Institute of Technology (EPFL) , 1015 Lausanne, Switzerland
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36
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Kokolus KM, Zhang Y, Sivik JM, Schmeck C, Zhu J, Repasky EA, Drabick JJ, Schell TD. Beta blocker use correlates with better overall survival in metastatic melanoma patients and improves the efficacy of immunotherapies in mice. Oncoimmunology 2017; 7:e1405205. [PMID: 29399407 DOI: 10.1080/2162402x.2017.1405205] [Citation(s) in RCA: 117] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Revised: 11/08/2017] [Accepted: 11/09/2017] [Indexed: 12/21/2022] Open
Abstract
Immunotherapy has expanded treatment options for cancers with historically poor outcomes, yet a significant proportion of patients still fail to achieve durable clinical benefit. We defined the contribution of β-adrenergic receptor (βAR) signaling, a component of the stress response, on success of immunotherapy for melanoma since the use of antagonists (β-blockers) is associated with improved clinical outcomes in some cancers. We show that metastatic melanoma patients who received immunotherapy had improved overall survival if they also received pan β-blockers. This retrospective analysis is reinforced by results showing that βAR blockade enhances the control of murine melanoma growth by anti-(α)PD-1 checkpoint blockade. However, this effect was most significant when β-blocker was combined with dual αPD-1 + high dose interleukin-2 therapy and was reproduced by selective blockade of β2ARs. These results identify a novel strategy that can be quickly introduced to potentially increase the number of patients who benefit from immune-based therapies.
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Affiliation(s)
- Kathleen M Kokolus
- Department of Microbiology and Immunology, Penn State College of Medicine, Hershey, PA, USA
| | - Ying Zhang
- Department of Public Health Sciences, Penn State College of Medicine, Hershey, PA, USA
| | - Jeffrey M Sivik
- Penn State Health Milton S. Hershey Medical Center, Hershey, PA, USA
| | - Carla Schmeck
- Division of Hematology and Oncology, Department of Medicine, Penn State Milton S. Hershey Medical Center, Hershey, PA, USA
| | - Junjia Zhu
- Department of Public Health Sciences, Penn State College of Medicine, Hershey, PA, USA
| | | | - Joseph J Drabick
- Division of Hematology and Oncology, Department of Medicine, Penn State Milton S. Hershey Medical Center, Hershey, PA, USA
| | - Todd D Schell
- Department of Microbiology and Immunology, Penn State College of Medicine, Hershey, PA, USA
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37
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Kupcova Skalnikova H, Cizkova J, Cervenka J, Vodicka P. Advances in Proteomic Techniques for Cytokine Analysis: Focus on Melanoma Research. Int J Mol Sci 2017; 18:E2697. [PMID: 29236046 PMCID: PMC5751298 DOI: 10.3390/ijms18122697] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Revised: 12/07/2017] [Accepted: 12/08/2017] [Indexed: 12/16/2022] Open
Abstract
Melanoma is a skin cancer with permanently increasing incidence and resistance to therapies in advanced stages. Reports of spontaneous regression and tumour infiltration with T-lymphocytes makes melanoma candidate for immunotherapies. Cytokines are key factors regulating immune response and intercellular communication in tumour microenvironment. Cytokines may be used in therapy of melanoma to modulate immune response. Cytokines also possess diagnostic and prognostic potential and cytokine production may reflect effects of immunotherapies. The purpose of this review is to give an overview of recent advances in proteomic techniques for the detection and quantification of cytokines in melanoma research. Approaches covered span from mass spectrometry to immunoassays for single molecule detection (ELISA, western blot), multiplex assays (chemiluminescent, bead-based (Luminex) and planar antibody arrays), ultrasensitive techniques (Singulex, Simoa, immuno-PCR, proximity ligation/extension assay, immunomagnetic reduction assay), to analyses of single cells producing cytokines (ELISpot, flow cytometry, mass cytometry and emerging techniques for single cell secretomics). Although this review is focused mainly on cancer and particularly melanoma, the discussed techniques are in general applicable to broad research field of biology and medicine, including stem cells, development, aging, immunology and intercellular communication.
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Affiliation(s)
- Helena Kupcova Skalnikova
- Laboratory of Applied Proteome Analyses, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Rumburska 89, 27721 Libechov, Czech Republic.
| | - Jana Cizkova
- Laboratory of Applied Proteome Analyses, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Rumburska 89, 27721 Libechov, Czech Republic.
- Department of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences, Kamycka 129, 16500 Prague, Czech Republic.
| | - Jakub Cervenka
- Laboratory of Applied Proteome Analyses, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Rumburska 89, 27721 Libechov, Czech Republic.
- Department of Cell Biology, Faculty of Science, Charles University, Vinicna 7, 12843 Prague 4, Czech Republic.
| | - Petr Vodicka
- Laboratory of Applied Proteome Analyses, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Rumburska 89, 27721 Libechov, Czech Republic.
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38
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Sadozai H, Gruber T, Hunger RE, Schenk M. Recent Successes and Future Directions in Immunotherapy of Cutaneous Melanoma. Front Immunol 2017; 8:1617. [PMID: 29276510 PMCID: PMC5727014 DOI: 10.3389/fimmu.2017.01617] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 11/08/2017] [Indexed: 12/14/2022] Open
Abstract
The global health burden associated with melanoma continues to increase while treatment options for metastatic melanoma are limited. Nevertheless, in the past decade, the field of cancer immunotherapy has witnessed remarkable advances for the treatment of a number of malignancies including metastatic melanoma. Although the earliest observations of an immunological antitumor response were made nearly a century ago, it was only in the past 30 years, that immunotherapy emerged as a viable therapeutic option, in particular for cutaneous melanoma. As such, melanoma remains the focus of various preclinical and clinical studies to understand the immunobiology of cancer and to test various tumor immunotherapies. Here, we review key recent developments in the field of immune-mediated therapy of melanoma. Our primary focus is on therapies that have received regulatory approval. Thus, a brief overview of the pathophysiology of melanoma is provided. The purported functions of various tumor-infiltrating immune cell subsets are described, in particular the recently described roles of intratumoral dendritic cells. The section on immunotherapies focuses on strategies that have proved to be the most clinically successful such as immune checkpoint blockade. Prospects for novel therapeutics and the potential for combinatorial approaches are delineated. Finally, we briefly discuss nanotechnology-based platforms which can in theory, activate multiple arms of immune system to fight cancer. The promising advances in the field of immunotherapy signal the dawn of a new era in cancer treatment and warrant further investigation to understand the opportunities and barriers for future progress.
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Affiliation(s)
- Hassan Sadozai
- Institute of Pathology, Experimental Pathology, University of Bern, Bern, Switzerland
| | - Thomas Gruber
- Institute of Pathology, Experimental Pathology, University of Bern, Bern, Switzerland
| | | | - Mirjam Schenk
- Institute of Pathology, Experimental Pathology, University of Bern, Bern, Switzerland
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39
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ATR Mutations Promote the Growth of Melanoma Tumors by Modulating the Immune Microenvironment. Cell Rep 2017; 18:2331-2342. [PMID: 28273450 DOI: 10.1016/j.celrep.2017.02.040] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Revised: 12/22/2016] [Accepted: 02/13/2017] [Indexed: 12/26/2022] Open
Abstract
Melanomas accumulate a high burden of mutations that could potentially generate neoantigens, yet somehow suppress the immune response to facilitate continued growth. In this study, we identify a subset of human melanomas that have loss-of-function mutations in ATR, a kinase that recognizes and repairs UV-induced DNA damage and is required for cellular proliferation. ATR mutant tumors exhibit both the accumulation of multiple mutations and the altered expression of inflammatory genes, resulting in decreased T cell recruitment and increased recruitment of macrophages known to spur tumor invasion. Taken together, these studies identify a mechanism by which melanoma cells modulate the immune microenvironment to promote continued growth.
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40
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SIRT1 regulates Mxd1 during malignant melanoma progression. Oncotarget 2017; 8:114540-114553. [PMID: 29383100 PMCID: PMC5777712 DOI: 10.18632/oncotarget.21457] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Accepted: 09/13/2017] [Indexed: 12/25/2022] Open
Abstract
In a murine melanoma model, malignant transformation promoted by a sustained stress condition was causally related to increased levels of reactive oxygen species resulting in DNA damage and massive epigenetic alterations. Since the chromatin modifier Sirtuin-1 (SIRT1) is a protein attracted to double-stranded DNA break (DSB) sites and can recruit other components of the epigenetic machinery, we aimed to define the role of SIRT1 in melanomagenesis through our melanoma model. The DNA damage marker, γH2AX was found increased in melanocytes after 24 hours of deadhesion, accompanied by increased SIRT1 expression and decreased levels of its target, H4K16ac. Moreover, SIRT1 started to be associated to DNMT3B during the stress condition, and this complex was maintained along malignant progression. Mxd1 was identified by ChIP-seq among the DNA sequences differentially associated with SIRT1 during deadhesion and was shown to be a common target of both, SIRT1 and DNMT3B. In addition, Mxd1 was found downregulated from pre-malignant melanocytes to metastatic melanoma cells. Treatment with DNMT inhibitor 5AzaCdR reversed the Mxd1 expression. Sirt1 stable silencing increased Mxd1 mRNA expression and led to down-regulation of MYC targets, such as Cdkn1a, Bcl2 and Psen2, whose upregulation is associated with human melanoma aggressiveness and poor prognosis. We demonstrated a novel role of the stress responsive protein SIRT1 in malignant transformation of melanocytes associated with deadhesion. Mxd1 was identified as a new SIRT1 target gene. SIRT1 promoted Mxd1 silencing, which led to increased activity of MYC oncogene contributing to melanoma progression.
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41
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Voltarelli FA, Frajacomo FT, Padilha CDS, Testa MTJ, Cella PS, Ribeiro DF, de Oliveira DX, Veronez LC, Bisson GS, Moura FA, Deminice R. Syngeneic B16F10 Melanoma Causes Cachexia and Impaired Skeletal Muscle Strength and Locomotor Activity in Mice. Front Physiol 2017; 8:715. [PMID: 29033844 PMCID: PMC5626871 DOI: 10.3389/fphys.2017.00715] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Accepted: 09/05/2017] [Indexed: 12/21/2022] Open
Abstract
Muscle wasting has been emerging as one of the principal components of cancer cachexia, leading to progressive impairment of work capacity. Despite early stages melanomas rarely promotes weight loss, the appearance of metastatic and/or solid tumor melanoma can leads to cachexia development. Here, we investigated the B16F10 tumor-induced cachexia and its contribution to muscle strength and locomotor-like activity impairment. C57BL/6 mice were subcutaneously injected with 5 × 104 B16F10 melanoma cells or PBS as a Sham negative control. Tumor growth was monitored during a period of 28 days. Compared to Sham mice, tumor group depicts a loss of skeletal muscle, as well as significantly reduced muscle grip strength and epididymal fat mass. This data are in agreement with mild to severe catabolic host response promoted by elevated serum tumor necrosis factor-alpha (TNF-α), interleukin-6 (IL-6) and lactate dehydrogenase (LDH) activity. Tumor implantation has also compromised general locomotor activity and decreased exploratory behavior. Likewise, muscle loss, and elevated inflammatory interleukin were associated to muscle strength loss and locomotor activity impairment. In conclusion, our data demonstrated that subcutaneous B16F10 melanoma tumor-driven catabolic state in response to a pro-inflammatory environment that is associated with impaired skeletal muscle strength and decreased locomotor activity in tumor-bearing mice.
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Affiliation(s)
- Fabrício A Voltarelli
- Department of Physical Education, Faculty of Physical Education and Sport, State University of LondrinaLondrina, Brazil.,Department of Physical Education, Faculty of Physical Education, Federal University of Mato GrossoCuiabá, Brazil
| | - Fernando T Frajacomo
- Department of Physical Education, Faculty of Physical Education and Sport, State University of LondrinaLondrina, Brazil.,Program of Molecular Carcinogenesis, Brazilian National Institute of CancerRio de Janeiro, Brazil
| | - Camila de Souza Padilha
- Department of Physical Education, Faculty of Physical Education and Sport, State University of LondrinaLondrina, Brazil
| | - Mayra T J Testa
- Department of Physical Education, Faculty of Physical Education and Sport, State University of LondrinaLondrina, Brazil
| | - Paola S Cella
- Department of Physical Education, Faculty of Physical Education and Sport, State University of LondrinaLondrina, Brazil
| | - Diogo F Ribeiro
- Department of Physical Education, Faculty of Physical Education and Sport, State University of LondrinaLondrina, Brazil
| | - Donizete X de Oliveira
- Department of Physical Education, Faculty of Physical Education and Sport, State University of LondrinaLondrina, Brazil
| | - Luciana C Veronez
- Department of Maternal-Infant Nursing and Public Health, Ribeirao Preto College of Nursing, University of São PauloSão Paulo, Brazil
| | - Gabriela S Bisson
- Department of Maternal-Infant Nursing and Public Health, Ribeirao Preto College of Nursing, University of São PauloSão Paulo, Brazil
| | - Felipe A Moura
- Department of Physical Education, Faculty of Physical Education and Sport, State University of LondrinaLondrina, Brazil
| | - Rafael Deminice
- Department of Physical Education, Faculty of Physical Education and Sport, State University of LondrinaLondrina, Brazil
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42
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Basu R, Wu S, Kopchick JJ. Targeting growth hormone receptor in human melanoma cells attenuates tumor progression and epithelial mesenchymal transition via suppression of multiple oncogenic pathways. Oncotarget 2017; 8:21579-21598. [PMID: 28223541 PMCID: PMC5400608 DOI: 10.18632/oncotarget.15375] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Accepted: 01/24/2017] [Indexed: 12/12/2022] Open
Abstract
Recent reports have confirmed highest levels of growth hormone (GH) receptor (GHR) transcripts in melanoma, one of the most aggressive forms of human cancer. Yet the mechanism of GH action in melanoma remains mostly unknown. Here, using human malignant melanoma cells, we examined the effects of GH excess or siRNA mediated GHR knock-down (GHRKD) on tumor proliferation, migration and invasion. GH promoted melanoma progression while GHRKD attenuated the same. Western blot analysis revealed drastic modulation of multiple oncogenic signaling pathways (JAK2, STAT1, STAT3, STAT5, AKT, mTOR, SRC and ERK1/2) following addition of GH or GHRKD. Further, we show that GH excess upregulates expression of markers of epithelial mesenchymal transition in human melanoma, while the effects were reversed by GHRKD. Interestingly, we observed consistent expression of GH transcript in the melanoma cells as well as marked modulation of the IGF receptors and binding proteins (IGF1R, IGF2R, IR, IGFBP2, IGFBP3) and the oncogenic HGF-MET mRNA, in response to excess GH or GHRKD. Our study thus identifies the mechanistic model of GH-GHR action in human melanoma and validates it as an important pharmacological target of intervention.
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Affiliation(s)
- Reetobrata Basu
- Edison Biotechnology Institute, Ohio University, Athens, Ohio, USA.,Molecular and Cell Biology Program, Ohio University, Athens, Ohio, USA
| | - Shiyong Wu
- Edison Biotechnology Institute, Ohio University, Athens, Ohio, USA.,Molecular and Cell Biology Program, Ohio University, Athens, Ohio, USA
| | - John J Kopchick
- Edison Biotechnology Institute, Ohio University, Athens, Ohio, USA.,Molecular and Cell Biology Program, Ohio University, Athens, Ohio, USA.,Ohio University Heritage College of Osteopathic Medicine, Athens, Ohio, USA
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Scahill CM, Digby Z, Sealy IM, Wojciechowska S, White RJ, Collins JE, Stemple DL, Bartke T, Mathers ME, Patton EE, Busch-Nentwich EM. Loss of the chromatin modifier Kdm2aa causes BrafV600E-independent spontaneous melanoma in zebrafish. PLoS Genet 2017; 13:e1006959. [PMID: 28806732 PMCID: PMC5570503 DOI: 10.1371/journal.pgen.1006959] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Revised: 08/24/2017] [Accepted: 08/05/2017] [Indexed: 12/15/2022] Open
Abstract
KDM2A is a histone demethylase associated with transcriptional silencing, however very little is known about its in vivo role in development and disease. Here we demonstrate that loss of the orthologue kdm2aa in zebrafish causes widespread transcriptional disruption and leads to spontaneous melanomas at a high frequency. Fish homozygous for two independent premature stop codon alleles show reduced growth and survival, a strong male sex bias, and homozygous females exhibit a progressive oogenesis defect. kdm2aa mutant fish also develop melanomas from early adulthood onwards which are independent from mutations in braf and other common oncogenes and tumour suppressors as revealed by deep whole exome sequencing. In addition to effects on translation and DNA replication gene expression, high-replicate RNA-seq in morphologically normal individuals demonstrates a stable regulatory response of epigenetic modifiers and the specific de-repression of a group of zinc finger genes residing in constitutive heterochromatin. Together our data reveal a complex role for Kdm2aa in regulating normal mRNA levels and carcinogenesis. These findings establish kdm2aa mutants as the first single gene knockout model of melanoma biology.
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Affiliation(s)
- Catherine M. Scahill
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, United Kingdom
| | - Zsofia Digby
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, United Kingdom
| | - Ian M. Sealy
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, United Kingdom
| | - Sonia Wojciechowska
- MRC Institute of Genetics and Molecular Medicine, MRC Human Genetics Unit & The University of Edinburgh Cancer Research UK Centre, University of Edinburgh, Edinburgh, United Kingdom
| | - Richard J. White
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, United Kingdom
| | - John E. Collins
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, United Kingdom
| | - Derek L. Stemple
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, United Kingdom
| | - Till Bartke
- MRC London Institute of Medical Sciences (LMS), London, United Kingdom
- Institute of Clinical Sciences (ICS), Faculty of Medicine, Imperial College London, London, United Kingdom
- Institute of Functional Epigenetics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Marie E. Mathers
- Department of Pathology, Western General Hospital, Edinburgh, United Kingdom
| | - E. Elizabeth Patton
- MRC Institute of Genetics and Molecular Medicine, MRC Human Genetics Unit & The University of Edinburgh Cancer Research UK Centre, University of Edinburgh, Edinburgh, United Kingdom
| | - Elisabeth M. Busch-Nentwich
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, United Kingdom
- Department of Medicine, University of Cambridge, Cambridge, United Kingdom
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44
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The HGF/SF Mouse Model of UV-Induced Melanoma as an In Vivo Sensor for Metastasis-Regulating Gene. Int J Mol Sci 2017; 18:ijms18081647. [PMID: 28788083 PMCID: PMC5578037 DOI: 10.3390/ijms18081647] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Revised: 07/19/2017] [Accepted: 07/24/2017] [Indexed: 12/20/2022] Open
Abstract
Cutaneous malignant melanoma is an aggressive and potentially lethal form of skin cancer, particularly in its advanced and therapy-resistant stages, and the need for novel therapeutics and prognostic tools is acute. Incidence of melanoma has steadily increased over the past few decades, with exposure to the genome-damaging effects of ultraviolet radiation (UVR) well-recognized as a primary cause. A number of genetically-engineered mouse models (GEMMs) have been created that exhibit high incidence of spontaneous and induced forms of melanoma, and a select subset recapitulates its progression to aggressive and metastatic forms. These GEMMs hold considerable promise for providing insights into advanced stages of melanoma, such as potential therapeutic targets and prognostic markers, and as in vivo systems for testing of novel therapies. In this review, we summarize how the HGF/SF transgenic mouse has been used to reveal metastasis-regulating activity of four different genes (CDK4R24C, survivin and NME1/NME2) in the context of UV-induced melanoma. We also discuss how these models can potentially yield new strategies for clinical management of melanoma in its most aggressive forms.
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Avram S, Coricovac DE, Pavel IZ, Pinzaru I, Ghiulai R, Baderca F, Soica C, Muntean D, Branisteanu DE, Spandidos DA, Tsatsakis AM, Dehelean CA. Standardization of A375 human melanoma models on chicken embryo chorioallantoic membrane and Balb/c nude mice. Oncol Rep 2017; 38:89-99. [PMID: 28535001 PMCID: PMC5492638 DOI: 10.3892/or.2017.5658] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Accepted: 05/08/2017] [Indexed: 01/07/2023] Open
Abstract
Cutaneous melanoma is a metastatic disease characterized by high resistance to treatment, the incidence of which has alarmingly increased worldwide over the past years. A thorough characterization of tumor onset, progression and metastasis is compulsory to overcome the gaps existent in melanoma biology. The present study suggests a well-established protocol and a detailed histological description of human melanoma models in ovo and in vivo obtained by the inoculation of A375 cells to chick embryo chorioallantoic membrane (CAM) and Balb/c nude mice. The inoculation of A375 cells on CAM led to the formation of compact primary and secondary tumors on day 4 post-inoculation, with mean surface area values of 2.2±0.4 mm2 and 1.5±0.3 mm2, respectively. Moreover, the vessels around the tumors presented a spike wheel pattern, indicating a strong angiogenic reaction. All the injected mice, apart from one, developed solid polypoid primary tumors with lobulated surfaces and intense vascularization, and achromic epithelioid malignant melanocytes with vesiculous nuclei and necrosis area were detected. Metastasis was histologically confirmed in only 30% of the mice with the tumor xenografts. These data indicate that the standardization protocols proposed are complex and reproducible, and can be further employed for the therapeutic surveillance of antiangiogenic and anticancer agents.
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Affiliation(s)
- Stefana Avram
- Department of Pharmacognosy, Faculty of Pharmacy, 'Victor Babeș' University of Medicine and Pharmacy Timisoara, Timisoara 30004, Romania
| | - Dorina-Elena Coricovac
- Department of Toxicology, Faculty of Pharmacy, 'Victor Babeș' University of Medicine and Pharmacy Timisoara, Timisoara 30004, Romania
| | - Ioana Zinuca Pavel
- Department of Pharmacognosy, Faculty of Pharmacy, 'Victor Babeș' University of Medicine and Pharmacy Timisoara, Timisoara 30004, Romania
| | - Iulia Pinzaru
- Department of Toxicology, Faculty of Pharmacy, 'Victor Babeș' University of Medicine and Pharmacy Timisoara, Timisoara 30004, Romania
| | - Roxana Ghiulai
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, 'Victor Babeș' University of Medicine and Pharmacy Timisoara, Timisoara 30004, Romania
| | - Flavia Baderca
- Department of Microscopic Morphology, Faculty of Medicine, 'Victor Babeș' University of Medicine and Pharmacy Timisoara, Timisoara 300041, Romania
| | - Codruta Soica
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, 'Victor Babeș' University of Medicine and Pharmacy Timisoara, Timisoara 30004, Romania
| | - Danina Muntean
- Department of Pathophysiology, Faculty of Medicine, 'Victor Babeș' University of Medicine and Pharmacy Timisoara, Timisoara 300041, Romania
| | - Daciana E Branisteanu
- Department of Dermatology and Venereology, 'Grigore T. Popa' University of Medicine and Pharmacy Iasi, Iasi 7000115, Romania
| | - Demetrios A Spandidos
- Laboratory of Clinical Virology, School of Medicine, University of Crete, Heraklion 71003, Greece
| | - Aristides M Tsatsakis
- Department of Forensic Sciences and Toxicology, Faculty of Medicine, University of Crete, Heraklion 71003, Greece
| | - Cristina Adriana Dehelean
- Department of Toxicology, Faculty of Pharmacy, 'Victor Babeș' University of Medicine and Pharmacy Timisoara, Timisoara 30004, Romania
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Abstract
Uveal melanoma (UM), a rare cancer of the eye, is distinct from cutaneous melanoma by its etiology, the mutation frequency and profile, and its clinical behavior including resistance to targeted therapy and immune checkpoint blockers. Primary disease is efficiently controlled by surgery or radiation therapy, but about half of UMs develop distant metastasis mostly to the liver. Survival of patients with metastasis is below 1 year and has not improved in decades. Recent years have brought a deep understanding of UM biology characterized by initiating mutations in the G proteins GNAQ and GNA11. Cytogenetic alterations, in particular monosomy of chromosome 3 and amplification of the long arm of chromosome 8, and mutation of the BRCA1-associated protein 1, BAP1, a tumor suppressor gene, or the splicing factor SF3B1 determine UM metastasis. Cytogenetic and molecular profiling allow for a very precise prognostication that is still not matched by efficacious adjuvant therapies. G protein signaling has been shown to activate the YAP/TAZ pathway independent of HIPPO, and conventional signaling via the mitogen-activated kinase pathway probably also contributes to UM development and progression. Several lines of evidence indicate that inflammation and macrophages play a pro-tumor role in UM and in its hepatic metastases. UM cells benefit from the immune privilege in the eye and may adopt several mechanisms involved in this privilege for tumor escape that act even after leaving the niche. Here, we review the current knowledge of the biology of UM and discuss recent approaches to UM treatment.
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Affiliation(s)
- Adriana Amaro
- Laboratory of Molecular Pathology, Department of Integrated Oncology Therapies, IRCCS AOU San Martino - IST Istituto Nazionale per la Ricerca sul Cancro, L.go Rosanna Benzi 10, 16132, Genoa, Italy
| | - Rosaria Gangemi
- Laboratory of Biotherapies, Department of Integrated Oncology Therapies, IRCCS AOU San Martino - IST Istituto Nazionale per la Ricerca sul Cancro, Genoa, Italy
| | - Francesca Piaggio
- Laboratory of Molecular Pathology, Department of Integrated Oncology Therapies, IRCCS AOU San Martino - IST Istituto Nazionale per la Ricerca sul Cancro, L.go Rosanna Benzi 10, 16132, Genoa, Italy
| | - Giovanna Angelini
- Laboratory of Molecular Pathology, Department of Integrated Oncology Therapies, IRCCS AOU San Martino - IST Istituto Nazionale per la Ricerca sul Cancro, L.go Rosanna Benzi 10, 16132, Genoa, Italy
| | - Gaia Barisione
- Laboratory of Biotherapies, Department of Integrated Oncology Therapies, IRCCS AOU San Martino - IST Istituto Nazionale per la Ricerca sul Cancro, Genoa, Italy
| | - Silvano Ferrini
- Laboratory of Biotherapies, Department of Integrated Oncology Therapies, IRCCS AOU San Martino - IST Istituto Nazionale per la Ricerca sul Cancro, Genoa, Italy
| | - Ulrich Pfeffer
- Laboratory of Molecular Pathology, Department of Integrated Oncology Therapies, IRCCS AOU San Martino - IST Istituto Nazionale per la Ricerca sul Cancro, L.go Rosanna Benzi 10, 16132, Genoa, Italy.
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47
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Deken MA, Song JY, Gadiot J, Bins AD, Kroon P, Verbrugge I, Blank CU. Dermal Delivery of Constructs Encoding Cre Recombinase to Induce Skin Tumors in Pten LoxP/LoxP;Braf CA/+ Mice. Int J Mol Sci 2016; 17:ijms17122149. [PMID: 27999416 PMCID: PMC5187949 DOI: 10.3390/ijms17122149] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Revised: 11/28/2016] [Accepted: 12/06/2016] [Indexed: 11/26/2022] Open
Abstract
Current genetically-engineered mouse melanoma models are often based on Tyr::CreERT2-controlled MAPK pathway activation by the BRAFV600E mutation and PI3K pathway activation by loss of PTEN. The major drawback of these models is the occurrence of spontaneous tumors caused by leakiness of the Tyr::CreERT2 system, hampering long-term experiments. To address this problem, we investigated several approaches to optimally provide local delivery of Cre recombinase, including injection of lentiviral particles, DNA tattoo administration and particle-mediated gene transfer, to induce melanomas in PtenLoxP/LoxP;BrafCA/+ mice lacking the Tyr::CreERT2 allele. We found that dermal delivery of the Cre recombinase gene under the control of a non-specific CAG promoter induced the formation of melanomas, but also keratoacanthoma and squamous cell carcinomas. Delivery of Cre recombinase DNA under the control of melanocyte-specific promoters in PtenLoxP/LoxP;BrafCA/+ mice resulted in sole melanoma induction. The growth rate and histological features of the induced tumors were similar to 4-hydroxytamoxifen-induced tumors in Tyr::CreERT2;PtenLoxP/LoxP;BrafCA/+ mice, while the onset of spontaneous tumors was prevented completely. These novel induction methods will allow long-term experiments in mouse models of skin malignancies.
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Affiliation(s)
- Marcel A Deken
- Department of Immunology, Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands.
| | - Ji-Ying Song
- Department of Experimental Animal Pathology, Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands.
| | - Jules Gadiot
- Department of Immunology, Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands.
| | - Adriaan D Bins
- Division of Medical Oncology, Academic Medical Centre, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands.
| | - Paula Kroon
- Department of Immunology, Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands.
| | - Inge Verbrugge
- Department of Immunology, Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands.
| | - Christian U Blank
- Department of Immunology, Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands.
- Department of Medical Oncology, Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands.
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48
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Abstract
MicroRNAs are consistently reported to regulate gene expression in all cancer cell types by modulating a wide range of biological processes, including cell proliferation, differentiation, and apoptosis, which are associated with tumor development and progression. Previous studies have revealed that miR-490-3p regulates cell proliferation and apoptosis in cancers, such as hepatocellular carcinoma, lung cancer, bladder cancer, and ovarian carcinoma. In this study, we explored the hitherto unrevealed role of miR-490-3p in breast cancer. We tested miR-490-3p expression in breast cancer tissue and paracarcinoma tissue using reverse transcription-polymerase chain reaction. We also transfected the human breast cancer cell lines MCF-7 and T47D with miR-490-3p; subsequently, we determined the cell phenotype and the expression of Ras homolog gene family member A (RhoA), Bcl-xL, matrix metalloproteinase-9, and P70S6K (P70S6 kinase). Dual-luciferase reporter assay and a xenograft mouse model were used to reveal the roles of miR-490-3p and its target gene RHOA. We found that the levels of miR-490-3p were lower in the breast cancer tissue than in the paracarcinoma tissues. The overexpression of miR-490-3p suppressed breast cancer cell proliferation and promoted early stage apoptosis. Western blotting results revealed that the miR-490-3p overexpression reduced RhoA, Bcl-XL, matrix metalloproteinase-9, and P70S6K protein expression. The dual-luciferase reporter assay confirmed that RhoA is a target of miR-490-3p. The xenograft mouse model confirmed that miR-490-3p overexpression suppressed tumor growth and reduced RhoA expression. Our results indicate that miR-490-3p acts as oncosuppressive microRNA to inhibit breast cancer tumorigenesis and progression by targeting RhoA directly. It may contribute to breast cancer diagnosis and treatment.
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Affiliation(s)
- Lin Zhao
- Department of Breast Surgery, the First Hospital of China Medical University
| | - Xin-Yu Zheng
- Department of Breast Surgery, the First Hospital of China Medical University; The First Laboratory, Cancer Institute of China Medical University, Shenyang, People's Republic of China
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49
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Animal Models of Uveal Melanoma: Methods, Applicability, and Limitations. BIOMED RESEARCH INTERNATIONAL 2016; 2016:4521807. [PMID: 27366747 PMCID: PMC4913058 DOI: 10.1155/2016/4521807] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Accepted: 05/08/2016] [Indexed: 02/06/2023]
Abstract
Animal models serve as powerful tools for investigating the pathobiology of cancer, identifying relevant pathways, and developing novel therapeutic agents. They have facilitated rapid scientific progress in many tumor entities. However, for establishing a powerful animal model of uveal melanoma fundamental challenges remain. To date, no animal model offers specific genetic attributes as well as histologic, immunologic, and metastatic features of uveal melanoma. Syngeneic models with intraocular injection of cutaneous melanoma cells may suit best for investigating immunologic/tumor biology aspects. However, differences between cutaneous and uveal melanoma regarding genetics and metastasis remain problematic. Human xenograft models are widely used for evaluating novel therapeutics but require immunosuppression to allow tumor growth. New approaches aim to establish transgenic mouse models of spontaneous uveal melanoma which recently provided preliminary promising results. Each model provides certain benefits and may render them suitable for answering a respective scientific question. However, all existing models also exhibit relevant limitations which may have led to delayed research progress. Despite refined therapeutic options for the primary ocular tumor, patients' prognosis has not improved since the 1970s. Basic research needs to further focus on a refinement of a potent animal model which mimics uveal melanoma specific mechanisms of progression and metastasis. This review will summarise and interpret existing animal models of uveal melanoma including recent advances in the field.
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50
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Yee NS, Ignatenko N, Finnberg N, Lee N, Stairs D. ANIMAL MODELS OF CANCER BIOLOGY. CANCER GROWTH AND METASTASIS 2015; 8:115-8. [PMID: 26688665 PMCID: PMC4676433 DOI: 10.4137/cgm.s37907] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Nelson S Yee
- Assistant Professor of Medicine in Hematology-Oncology, Pennsylvania State University, Hershey, PA, USA
| | - Natalia Ignatenko
- Associate Professor of Cellular and Molecular Medicine, University of Arizona, Tucson, AZ, USA
| | - Niklas Finnberg
- Assistant Research Professor, Fox Chase Cancer Institute, Philadelphia, PA, USA
| | - Nikki Lee
- Assistant Professor, The University of Hong Kong, Hong Kong
| | - Douglas Stairs
- Assistant Professor of Pathology, Pharmacology, and Biochemistry & Molecular Biology, Pennsylvania State University, Hershey, PA, USA
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