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Nosalova N, Huniadi M, Horňáková Ľ, Valenčáková A, Horňák S, Nagoos K, Vozar J, Cizkova D. Canine Mammary Tumors: Classification, Biomarkers, Traditional and Personalized Therapies. Int J Mol Sci 2024; 25:2891. [PMID: 38474142 DOI: 10.3390/ijms25052891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 02/22/2024] [Accepted: 02/27/2024] [Indexed: 03/14/2024] Open
Abstract
In recent years, many studies have focused their attention on the dog as a proper animal model for human cancer. In dogs, mammary tumors develop spontaneously, involving a complex interplay between tumor cells and the immune system and revealing several molecular and clinical similarities to human breast cancer. In this review, we summarized the major features of canine mammary tumor, risk factors, and the most important biomarkers used for diagnosis and treatment. Traditional therapy of mammary tumors in dogs includes surgery, which is the first choice, followed by chemotherapy, radiotherapy, or hormonal therapy. However, these therapeutic strategies may not always be sufficient on their own; advancements in understanding cancer mechanisms and the development of innovative treatments offer hope for improved outcomes for oncologic patients. There is still a growing interest in the use of personalized medicine, which should play an irreplaceable role in the research not only in human cancer therapy, but also in veterinary oncology. Moreover, immunotherapy may represent a novel and promising therapeutic option in canine mammary cancers. The study of novel therapeutic approaches is essential for future research in both human and veterinary oncology.
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Affiliation(s)
- Natalia Nosalova
- Small Animal Clinic, University of Veterinary Medicine and Pharmacy, Komenskeho 73, 041 81 Kosice, Slovakia
| | - Mykhailo Huniadi
- Small Animal Clinic, University of Veterinary Medicine and Pharmacy, Komenskeho 73, 041 81 Kosice, Slovakia
| | - Ľubica Horňáková
- Small Animal Clinic, University of Veterinary Medicine and Pharmacy, Komenskeho 73, 041 81 Kosice, Slovakia
| | - Alexandra Valenčáková
- Small Animal Clinic, University of Veterinary Medicine and Pharmacy, Komenskeho 73, 041 81 Kosice, Slovakia
| | - Slavomir Horňák
- Small Animal Clinic, University of Veterinary Medicine and Pharmacy, Komenskeho 73, 041 81 Kosice, Slovakia
| | - Kamil Nagoos
- Small Animal Clinic, University of Veterinary Medicine and Pharmacy, Komenskeho 73, 041 81 Kosice, Slovakia
| | - Juraj Vozar
- Small Animal Clinic, University of Veterinary Medicine and Pharmacy, Komenskeho 73, 041 81 Kosice, Slovakia
| | - Dasa Cizkova
- Small Animal Clinic, University of Veterinary Medicine and Pharmacy, Komenskeho 73, 041 81 Kosice, Slovakia
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León-Letelier RA, Katayama H, Hanash S. Mining the Immunopeptidome for Antigenic Peptides in Cancer. Cancers (Basel) 2022; 14:4968. [PMID: 36291752 PMCID: PMC9599891 DOI: 10.3390/cancers14204968] [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: 08/16/2022] [Revised: 10/05/2022] [Accepted: 10/08/2022] [Indexed: 11/16/2022] Open
Abstract
Although harnessing the immune system for cancer therapy has shown success, response to immunotherapy has been limited. The immunopeptidome of cancer cells presents an opportunity to discover novel antigens for immunotherapy applications. These neoantigens bind to MHC class I and class II molecules. Remarkably, the immunopeptidome encompasses protein post-translation modifications (PTMs) that may not be evident from genome or transcriptome profiling. A case in point is citrullination, which has been demonstrated to induce a strong immune response. In this review, we cover how the immunopeptidome, with a special focus on PTMs, can be utilized to identify cancer-specific antigens for immunotherapeutic applications.
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Affiliation(s)
| | | | - Sam Hanash
- Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
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Vafaei R, Samadi M, Hosseinzadeh A, Barzaman K, Esmailinejad M, Khaki Z, Farahmand L. Comparison of mucin-1 in human breast cancer and canine mammary gland tumor: a review study. Cancer Cell Int 2022; 22:14. [PMID: 35000604 PMCID: PMC8744232 DOI: 10.1186/s12935-021-02398-6] [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: 08/22/2021] [Accepted: 12/08/2021] [Indexed: 11/10/2022] Open
Abstract
Mucin-1 (MUC-1) is a transmembrane glycoprotein, which bears many similarities between dogs and humans. Since the existence of animal models is essential to understand the significant factors involved in breast cancer mechanisms, canine mammary tumors (CMTs) could be used as a spontaneously occurring tumor model for human studies. Accordingly, this review assessed the comparison of canine and human MUC-1 based on their diagnostic and therapeutic aspects and showed how comparative oncology approaches could provide insights into translating pre-clinical trials from human to veterinary oncology and vice versa which could benefit both humans and dogs.
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Affiliation(s)
- Rana Vafaei
- Recombinant Proteins Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, No.146, South Gandi Ave, Vanak Sq, Tehran, Iran
| | - Mitra Samadi
- Recombinant Proteins Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, No.146, South Gandi Ave, Vanak Sq, Tehran, Iran
| | - Aysooda Hosseinzadeh
- Recombinant Proteins Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, No.146, South Gandi Ave, Vanak Sq, Tehran, Iran
| | - Khadijeh Barzaman
- Recombinant Proteins Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, No.146, South Gandi Ave, Vanak Sq, Tehran, Iran
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - MohammadReza Esmailinejad
- Department of Surgery and Radiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Zohreh Khaki
- Recombinant Proteins Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, No.146, South Gandi Ave, Vanak Sq, Tehran, Iran.
- Department of Clinical Pathology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran.
| | - Leila Farahmand
- Recombinant Proteins Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, No.146, South Gandi Ave, Vanak Sq, Tehran, Iran.
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Delivering Two Tumour Antigens Survivin and Mucin-1 on Virus-Like Particles Enhances Anti-Tumour Immune Responses. Vaccines (Basel) 2021; 9:vaccines9050463. [PMID: 34066318 PMCID: PMC8148150 DOI: 10.3390/vaccines9050463] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 04/29/2021] [Accepted: 04/30/2021] [Indexed: 11/20/2022] Open
Abstract
Breast cancer (BC) is the most frequently diagnosed cancer in women, with many patients experiencing recurrence following treatment. Antigens delivered on virus-like particles (VLPs) induce a targeted immune response and here we investigated whether the co-delivery of multiple antigens could induce a superior anti-cancer response for BC immunotherapy. VLPs were designed to recombinantly express murine survivin and conjugated with an aberrantly glycosylated mucin-1 (MUC1) peptide using an intracellular cleavable bis-arylhydrazone linker. Western blotting, electron microscopy and UV absorption confirmed survivin-VLP expression and MUC1 conjugation. To assess the therapeutic efficacy of VLPs, orthotopic BC tumours were established by injecting C57mg.MUC1 cells into the mammary fat pad of mice, which were then vaccinated with surv.VLP-SS-MUC1 or VLP controls. While wild-type mice vaccinated with surv.VLP-SS-MUC1 showed enhanced survival compared to VLPs delivering either antigen alone, MUC1 transgenic mice vaccinated with surv.VLP-SS-MUC1 showed no enhanced survival compared to controls. Hence, while co-delivery of two tumour antigens on VLPs can induce a superior anti-tumour immune response compared to the delivery of single antigens, additional strategies must be employed to break tolerance when targeted tumour antigens are expressed as endogenous self-proteins. Using VLPs for the delivery of multiple antigens represents a promising approach to improving BC immunotherapy, and has the potential to be an integral part of combination therapy in the future.
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Olvera A, Cedeño S, Llano A, Mothe B, Sanchez J, Arsequell G, Brander C. Does Antigen Glycosylation Impact the HIV-Specific T Cell Immunity? Front Immunol 2021; 11:573928. [PMID: 33552045 PMCID: PMC7862545 DOI: 10.3389/fimmu.2020.573928] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 12/04/2020] [Indexed: 12/13/2022] Open
Abstract
It is largely unknown how post-translational protein modifications, including glycosylation, impacts recognition of self and non-self T cell epitopes presented by HLA molecules. Data in the literature indicate that O- and N-linked glycosylation can survive epitope processing and influence antigen presentation and T cell recognition. In this perspective, we hypothesize that glycosylation of viral proteins and processed epitopes contribute to the T cell response to HIV. Although there is some evidence for T cell responses to glycosylated epitopes (glyco-epitopes) during viral infections in the literature, this aspect has been largely neglected for HIV. To explore the role of glyco-epitope specific T cell responses in HIV infection we conducted in silico and ex vivo immune studies in individuals with chronic HIV infection. We found that in silico viral protein segments with potentially glycosylable epitopes were less frequently targeted by T cells. Ex vivo synthetically added glycosylation moieties generally masked T cell recognition of HIV derived peptides. Nonetheless, in some cases, addition of simple glycosylation moieties produced neo-epitopes that were recognized by T cells from HIV infected individuals. Herein, we discuss the potential importance of these observations and compare limitations of the employed technology with new methodologies that may have the potential to provide a more accurate assessment of glyco-epitope specific T cell immunity. Overall, this perspective is aimed to support future research on T cells recognizing glycosylated epitopes in order to expand our understanding on how glycosylation of viral proteins could alter host T cell immunity against viral infections.
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Affiliation(s)
- Alex Olvera
- IrsiCaixa-AIDS Research Institute, Badalona, Spain.,Universitat de Vic-Universitat Central de Catalunya (UVic-UCC), Vic, Spain
| | | | - Anuska Llano
- IrsiCaixa-AIDS Research Institute, Badalona, Spain
| | - Beatriz Mothe
- IrsiCaixa-AIDS Research Institute, Badalona, Spain.,Universitat de Vic-Universitat Central de Catalunya (UVic-UCC), Vic, Spain.,Fundació Lluita contra la Sida, Infectious Diseases Department, Hospital Universitari Germans Trias i Pujol, Badalona, Spain
| | - Jorge Sanchez
- Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos, Lima, Perú
| | - Gemma Arsequell
- Institut de Química Avançada de Catalunya (IQAC-CSIC), Barcelona, Spain
| | - Christian Brander
- IrsiCaixa-AIDS Research Institute, Badalona, Spain.,Universitat de Vic-Universitat Central de Catalunya (UVic-UCC), Vic, Spain.,Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
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Conibear AC, Schmid A, Kamalov M, Becker CFW, Bello C. Recent Advances in Peptide-Based Approaches for Cancer Treatment. Curr Med Chem 2020; 27:1174-1205. [PMID: 29173146 DOI: 10.2174/0929867325666171123204851] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 10/26/2017] [Accepted: 10/30/2017] [Indexed: 12/16/2022]
Abstract
BACKGROUND Peptide-based pharmaceuticals have recently experienced a renaissance due to their ability to fill the gap between the two main classes of available drugs, small molecules and biologics. Peptides combine the high potency and selectivity typical of large proteins with some of the characteristic advantages of small molecules such as synthetic accessibility, stability and the potential of oral bioavailability. METHODS In the present manuscript we review the recent literature on selected peptide-based approaches for cancer treatment, emphasizing recent advances, advantages and challenges of each strategy. RESULTS One of the applications in which peptide-based approaches have grown rapidly is cancer therapy, with a focus on new and established targets. We describe, with selected examples, some of the novel peptide-based methods for cancer treatment that have been developed in the last few years, ranging from naturally-occurring and modified peptides to peptidedrug conjugates, peptide nanomaterials and peptide-based vaccines. CONCLUSION This review brings out the emerging role of peptide-based strategies in oncology research, critically analyzing the advantages and limitations of these approaches and the potential for their development as effective anti-cancer therapies.
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Affiliation(s)
- Anne C Conibear
- Faculty of Chemistry, Institute of Biological Chemistry, University of Vienna, Wahringer Straße 38, 1090 Vienna, Austria
| | - Alanca Schmid
- Faculty of Chemistry, Institute of Biological Chemistry, University of Vienna, Wahringer Straße 38, 1090 Vienna, Austria
| | - Meder Kamalov
- Faculty of Chemistry, Institute of Biological Chemistry, University of Vienna, Wahringer Straße 38, 1090 Vienna, Austria
| | - Christian F W Becker
- Faculty of Chemistry, Institute of Biological Chemistry, University of Vienna, Wahringer Straße 38, 1090 Vienna, Austria
| | - Claudia Bello
- Faculty of Chemistry, Institute of Biological Chemistry, University of Vienna, Wahringer Straße 38, 1090 Vienna, Austria.,Department of Chemistry "Ugo Schiff", University of Florence, Laboratory of Peptide and Protein Chemistry and Biolology-PeptLab, Via della Lastruccia 13, 50019 Sesto, Fiorentino, Italy
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Breloy I, Hanisch FG. Functional Roles of O-Glycosylation. Molecules 2018; 23:molecules23123063. [PMID: 30477085 PMCID: PMC6321568 DOI: 10.3390/molecules23123063] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Accepted: 11/20/2018] [Indexed: 12/11/2022] Open
Affiliation(s)
- Isabelle Breloy
- Department Natural Sciences, University of Applied Sciences Bonn-Rhein-Sieg, D-53359 Rheinbach, Germany.
| | - Franz-Georg Hanisch
- Institute of Biochemistry II, Medical Faculty, University of Cologne, Joseph-Stelzmann-Str. 52, 50931 Köln, Germany.
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Wilson EA, Anderson KS. Lost in the crowd: identifying targetable MHC class I neoepitopes for cancer immunotherapy. Expert Rev Proteomics 2018; 15:1065-1077. [PMID: 30408427 DOI: 10.1080/14789450.2018.1545578] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
INTRODUCTION The recent development of checkpoint blockade immunotherapy for cancer has led to impressive clinical results across multiple tumor types. There is mounting evidence that immune recognition of tumor derived MHC class I (MHC-I) restricted epitopes bearing cancer specific mutations and alterations is a crucial mechanism in successfully triggering immune-mediated tumor rejection. Therapeutic targeting of these cancer specific epitopes (neoepitopes) is emerging as a promising opportunity for the generation of personalized cancer vaccines and adoptive T cell therapies. However, one major obstacle limiting the broader application of neoepitope based therapies is the difficulty of selecting highly immunogenic neoepitopes among the wide array of presented non-immunogenic HLA ligands derived from self-proteins. Areas covered: In this review, we present an overview of the MHC-I processing and presentation pathway, as well as highlight key areas that contribute to the complexity of the associated MHC-I peptidome. We cover recent technological advances that simplify and optimize the identification of targetable neoepitopes for cancer immunotherapeutic applications. Expert commentary: Recent advances in computational modeling, bioinformatics, and mass spectrometry are unlocking the underlying mechanisms governing antigen processing and presentation of tumor-derived neoepitopes.
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Affiliation(s)
- Eric A Wilson
- a Center for Personalized Diagnostics, Biodesign Institute , Arizona State University , Tempe , AZ , USA
| | - Karen S Anderson
- a Center for Personalized Diagnostics, Biodesign Institute , Arizona State University , Tempe , AZ , USA.,b Department of Medical Oncology , Mayo Clinic Arizona , Scottsdale , AZ , USA
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许 佐, 浦 涧. CTLs相关的免疫疗法在肝癌治疗中的新前景. Shijie Huaren Xiaohua Zazhi 2017; 25:1389-1395. [DOI: 10.11569/wcjd.v25.i15.1389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
癌细胞内多种蛋白加工处理所产生的异常多肽通过主要组织相容性复合物Ⅰ类分子递呈, 激发肿瘤细胞毒性T淋巴细胞(cytotoxic T lymphocytes, CTLs), 从而对肿瘤产生免疫作用. 但受多因素影响, 肝癌组织中的CTLs功能受抑制或呈无功能状态, 影响其抑癌作用. 近年来, 在肝癌重新活化和增强CTLs功能的研究方面, 已取得不同程度的成果. 现就其新进展, 从强化抗原提呈及直接诱导两条途径, 作一综述.
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Functional Consequences of Differential O-glycosylation of MUC1, MUC4, and MUC16 (Downstream Effects on Signaling). Biomolecules 2016; 6:biom6030034. [PMID: 27483328 PMCID: PMC5039420 DOI: 10.3390/biom6030034] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Revised: 07/18/2016] [Accepted: 07/21/2016] [Indexed: 12/12/2022] Open
Abstract
Glycosylation is one of the most abundant post-translational modifications that occur within the cell. Under normal physiological conditions, O-linked glycosylation of extracellular proteins is critical for both structure and function. During the progression of cancer, however, the expression of aberrant and truncated glycans is commonly observed. Mucins are high molecular weight glycoproteins that contain numerous sites of O-glycosylation within their extracellular domains. Transmembrane mucins also play a functional role in monitoring the surrounding microenvironment and transducing these signals into the cell. In cancer, these mucins often take on an oncogenic role and promote a number of pro-tumorigenic effects, including pro-survival, migratory, and invasive behaviors. Within this review, we highlight both the processes involved in the expression of aberrant glycan structures on mucins, as well as the potential downstream impacts on cellular signaling.
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