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Žagar Ž, Schmidt JM. A Scoping Review on Tyrosine Kinase Inhibitors in Cats: Current Evidence and Future Directions. Animals (Basel) 2023; 13:3059. [PMID: 37835664 PMCID: PMC10572079 DOI: 10.3390/ani13193059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 09/19/2023] [Accepted: 09/27/2023] [Indexed: 10/15/2023] Open
Abstract
Tyrosine kinase inhibitors (TKIs) have become invaluable in the treatment of human and canine malignancies, but their role in feline oncology is less defined. While toceranib phosphate and masitinib mesylate are licensed for use in dogs, no TKI is yet approved for cats. This review systematically maps the research conducted on the expression of tyrosine kinases in neoplastic and non-neoplastic domestic feline tissues, as well as the in vitro/in vivo use of TKIs in domestic cats. We identify and discuss knowledge gaps and speculate on the further research and potential indications for TKI use in cats. A comprehensive search of three electronic databases and relevant paper reference lists identified 139 studies meeting the inclusion criteria. The most commonly identified tumors were mast cell tumors (MCTs), mammary and squamous cell carcinomas and injection-site sarcomas. Based on the current literature, toceranib phosphate appears to be the most efficacious TKI in cats, especially against MCTs. Exploring the clinical use of TKIs in mammary carcinomas holds promise. Despite the progress, currently, the evidence falls short, underscoring the need for further research to discover new indications in feline oncology and to bridge the knowledge gaps between human and feline medicine.
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Affiliation(s)
- Žiga Žagar
- IVC Evidensia Small Animal Clinic Hofheim, 65719 Hofheim am Taunus, Germany
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2
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Wong K, Ludwig L, Krijgsman O, Adams DJ, Wood GA, van der Weyden L. Comparison of the oncogenomic landscape of canine and feline hemangiosarcoma shows novel parallels with human angiosarcoma. Dis Model Mech 2021; 14:dmm049044. [PMID: 34296746 PMCID: PMC8319545 DOI: 10.1242/dmm.049044] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Accepted: 06/15/2021] [Indexed: 01/03/2023] Open
Abstract
Angiosarcoma (AS) is a highly aggressive tumor of blood and lymphatic vessels in humans that shares many similarities with spontaneously occurring hemangiosarcoma (HSA) in dogs and cats. To investigate the genetic suitability of HSA as a model for AS, we sequenced ∼1000 cancer genes in 41 cases of HSA and matched germline tissue: 15 canine visceral HSAs, 13 canine skin HSAs and 13 feline skin HSAs. Analysis of visceral HSAs from dogs presenting with concurrent splenic and cardiac neoplasms showed that the tumors were not independent primaries, consistent with the highly metastatic nature of HSA. Comparison of HSA to AS revealed that several driver genes were recurrently mutated in both species, such as TP53, PIK3CA, ATRX, GRIN2A and LRP1B. Similar to AS, a UV mutational signature was found in a subset of canine cutaneous HSAs and both species show differing mutational profiles between tissue sites. Our characterization of canine and feline HSA demonstrates many important parallels to AS and provides hope that future studies on these cancers will benefit of all three species.
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Affiliation(s)
- Kim Wong
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge CB10 1SA, UK
| | - Latasha Ludwig
- Department of Pathobiology, University of Guelph, 50 Stone Road E., Guelph, ON N1G 2W1, Canada
| | - Oscar Krijgsman
- Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands
| | - David J. Adams
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge CB10 1SA, UK
| | - Geoffrey A. Wood
- Department of Pathobiology, University of Guelph, 50 Stone Road E., Guelph, ON N1G 2W1, Canada
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Chen YC, Chang CC, Hsu WL, Chuang ST. Dairy cattle with bovine leukaemia virus RNA show significantly increased leukocyte counts. Vet J 2020; 257:105449. [PMID: 32546356 DOI: 10.1016/j.tvjl.2020.105449] [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: 08/14/2019] [Revised: 03/25/2020] [Accepted: 12/31/2019] [Indexed: 12/26/2022]
Abstract
Infection with bovine leukaemia virus (BLV), a retrovirus, causes dysfunction of the immune system and can have a marked economic impact on dairy industries due to decreased milk production and reduced lifespan in affected dairy cattle. The presence of proviral DNA has been the major diagnostic indicator of BLV infection. However in the course of BLV infection, the viral genome can be dormant, without detectable gene expression, resulting in limited impact on infected animals. At present, there is limited knowledge regarding haematological indices in dairy cattle that could indicate activation of the BLV genome and suggest reactivated BLV infection. In this study, BLV infection and BLV genome reactivation were evaluated based on the presence of BLV DNA and BLV env gene transcripts, respectively. BLV RNA transcription was confirmed. Among 93 whole blood samples obtained from asymptomatic dairy cattle, the prevalence of BLV proviral DNA and transcripts was 93.5% (n = 87/93) and 83.9% (n = 78/93), respectively. Between groups with and without BLV, the mean counts of white blood cells and lymphocytes in whole blood were significantly associated with the presence of BLV RNA (P < 0.05), but not with BLV proviral DNA. These results shed light on the activation status of the BLV genome and should be taken into account when evaluating the possible impact of BLV on cattle.
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Affiliation(s)
- Y C Chen
- Graduate Institute of Veterinary Pathobiology, College of Veterinary Medicine, National Chung Hsing University, 145 Xingda Rd., South Dist., Taichung 402, Taiwan
| | - C C Chang
- Graduate Institute of Microbiology and Public Health, College of Veterinary Medicine, National Chung Hsing University, 145 Xingda Rd., South Dist., Taichung 402, Taiwan
| | - W L Hsu
- Graduate Institute of Microbiology and Public Health, College of Veterinary Medicine, National Chung Hsing University, 145 Xingda Rd., South Dist., Taichung 402, Taiwan.
| | - S T Chuang
- Department of Veterinary Medicine, College of Veterinary Medicine, National Chung Hsing University, 145 Xingda Rd., South Dist., Taichung 402, Taiwan.
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Kakiuchi-Kiyota S, Obert LA, Crowell DM, Xia S, Roy MD, Coskran TM, Kreeger JM, Crabbs TA, Cohen SM, Cattley RC, Cook JC. Expression of Hematopoietic Stem and Endothelial Cell Markers in Canine Hemangiosarcoma. Toxicol Pathol 2020; 48:481-493. [PMID: 31918642 DOI: 10.1177/0192623319897539] [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] [Indexed: 11/16/2022]
Abstract
Several chemicals and pharmaceuticals increase the incidence of hemangiosarcomas (HSAs) in mice, but the relevance to humans is uncertain. Recently, canine HSAs were identified as a powerful tool for investigating the pathogenesis of human HSAs. To characterize the cellular phenotype of canine HSAs, we evaluated immunoreactivity and/or messenger RNA (mRNA) expression of markers for hematopoietic stem cells (HSCs), endothelial cells (ECs), a tumor suppressor protein, and a myeloid marker in canine HSAs. Neoplastic canine cells expressed EC markers and a myeloid marker, but expressed HSC markers less consistently. The canine tumor expression results were then compared to previously published immunoreactivity results for these markers in human and mouse HSAs. There are 2 noteworthy differences across species: (1) most human HSAs had HSC marker expression, indicating that they were comprised of tumor cells that were less differentiated than those in canine and mouse tumors; and (2) human and canine HSAs expressed a late-stage EC maturation marker, whereas mouse HSAs were negative, suggesting that human and canine tumors may retain greater differentiation potential than mouse tumors. These results indicate that HSA development is variable across species and that caution is necessary when discussing translation of carcinogenic risk from animal models to humans.
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Affiliation(s)
| | - Leslie A Obert
- Drug Safety Research & Development, Pfizer Inc., Groton, CT, USA
| | | | - Shuhua Xia
- Drug Safety Research & Development, Pfizer Inc., Groton, CT, USA
| | - Marc D Roy
- Drug Safety Research & Development, Pfizer Inc., Groton, CT, USA
| | | | - John M Kreeger
- Drug Safety Research & Development, Pfizer Inc., Groton, CT, USA
| | - Torrie A Crabbs
- Experimental Pathology Laboratories, Inc., Research Triangle Park, NC, USA
| | - Samuel M Cohen
- Department of Pathology and Microbiology, University of Nebraska Medical Center, NE, USA
| | - Russell C Cattley
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, AL, USA. Kakiuchi-Kiyota is now with Safety Assessment, Genentech Inc., South San Francisco, CA, USA; Obert is now with Translational Medicine & Comparative Pathology, GlaxoSmithKline, Collegeville, PA, USA; Roy is now with Nonclinical Development, Sarepta Therapeutics, Cambridge, MA, USA
| | - Jon C Cook
- Drug Safety Research & Development, Pfizer Inc., Groton, CT, USA
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Chen YC, Liao JW, Chang SC, Hsu WL. Expression frequency of c-kit isoforms and its prognostic potential in canine mammary tumours. Vet Comp Oncol 2019; 18:303-314. [PMID: 31652393 DOI: 10.1111/vco.12549] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 10/05/2019] [Accepted: 10/21/2019] [Indexed: 12/28/2022]
Abstract
KIT is a tyrosine kinase receptor involved in carcinogenesis. Two alternatively spliced transcripts, differed from presence of four amino acids (GNSK) at exon 9 of c-kit, were identified in various human tumours and canine hemangiosarcoma (HSA). The biological function and clinical implications of these isoforms have not yet been elucidated in canine tumours. The current study aimed to validate the expression profile and ultimately to evaluate the correlation of c-kit isoform levels with clinicopathological factors of canine mammary tumours (CMTs). In total, the expression profiles of c-kit isoforms in 196 samples obtained from normal mammary glands (NMGs) of healthy controls and dogs with CMTs, benign and malignant CMTs, and HSAs were determined by polymerase chain reaction (PCR) and quantified via real-time PCR. Overall, the expression levels of the two isoforms were equivalent in NMGs, whereas the GNSK- /GNSK+ ratio sharply increased to 7.44- and 8.33-fold, indicating abundant GNSK- isoforms in benign and malignant CMTs, respectively. However, a significant decrease in GNSK- expression was detected in dogs with high-grade malignant CMTs (mCMTs) and with metastatic CMTs compared with expression in those with a lower grade and non-metastatic CMTs. In addition, the median survival time was shorter in mCMT canines with a lower GNSK- /GNSK+ ratio than that in mCMT canines with a higher ratio (899 days vs 1534 days). In conclusion, two c-kit isoforms are ubiquitously expressed with great variability in HSAs and CMTs with both benign and malignant status. The GNSK- /GNSK+ ratio could serve as a prognostic indicator for dogs with mCMTs.
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Affiliation(s)
- Yi-Chen Chen
- Graduate Institute of Veterinary Pathobiology, College of Veterinary Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Jiunn-Wang Liao
- Graduate Institute of Veterinary Pathobiology, College of Veterinary Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Shih-Chieh Chang
- Department of Veterinary Medicine, College of Veterinary Medicine, National Chung Hsing University, Taichung, Taiwan.,Veterinary Medical Teaching Hospital, College of Veterinary Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Wei-Li Hsu
- Graduate Institute of Microbiology and Public Health, College of Veterinary Medicine, National Chung Hsing University, Taichung, Taiwan
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Alfaleh MA, Arora N, Yeh M, de Bakker CJ, Howard CB, Macpherson P, Allavena RE, Chen X, Harkness L, Mahler SM, Jones ML. Canine CD117-Specific Antibodies with Diverse Binding Properties Isolated from a Phage Display Library Using Cell-Based Biopanning. Antibodies (Basel) 2019; 8:E15. [PMID: 31544821 PMCID: PMC6640692 DOI: 10.3390/antib8010015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2018] [Revised: 12/28/2018] [Accepted: 01/29/2019] [Indexed: 12/11/2022] Open
Abstract
CD117 (c-Kit) is a tyrosine kinase receptor that is overexpressed in multiple dog tumors. There is 100% homology between the juxtamembrane domain of human and canine CD117, and many cancer-causing mutations occur in this region in both species. Thus, CD117 is an important target for cancer treatment in dogs and for comparative oncology studies. Currently, there is no monoclonal antibody (mAb) specifically designed to target the exposed region of canine CD117, although there exist some with species cross-reactivity. We panned a naïve phage display library to isolate antibodies against recombinant CD117 on whole cells. Several mAbs were isolated and were shown to bind recombinant canine CD117 at low- to sub-nanomolar affinity. Additionally, binding to native canine CD117 was confirmed by immunohistochemistry and by flow cytometry. Competitive binding assays also identified mAbs that competed with the CD117 receptor-specific ligand, the stem cell factor (SCF). These results show the ability of our cell-based biopanning strategy to isolate a panel of antibodies that have varied characteristics when used in different binding assays. These in vitro/ex vivo assessments suggest that some of the isolated mAbs might be promising candidates for targeting overexpressed CD117 in canine cancers for different useful applications.
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Affiliation(s)
- Mohamed A Alfaleh
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia.
- Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center (KFMRC), King Abdulaziz University, Jeddah 21589, Saudi Arabia.
| | - Neetika Arora
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia.
| | - Michael Yeh
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia.
| | - Christopher J de Bakker
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia.
| | - Christopher B Howard
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia.
- Australian Research Council Training Centre for Biopharmaceutical Innovation, The University of Queensland, Brisbane, QLD 4072, Australia.
- Centre for Advanced Imaging, The University of Queensland, Brisbane, QLD 4072, Australia.
| | - Philip Macpherson
- School of Veterinary Science, The University of Queensland, Gatton, QLD 4343, Australia.
| | - Rachel E Allavena
- School of Veterinary Science, The University of Queensland, Gatton, QLD 4343, Australia.
| | - Xiaoli Chen
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia.
| | - Linda Harkness
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia.
| | - Stephen M Mahler
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia.
- Australian Research Council Training Centre for Biopharmaceutical Innovation, The University of Queensland, Brisbane, QLD 4072, Australia.
| | - Martina L Jones
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia.
- Australian Research Council Training Centre for Biopharmaceutical Innovation, The University of Queensland, Brisbane, QLD 4072, Australia.
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Canine Cutaneous Haemangiosarcoma: Biomarkers and Survival. J Comp Pathol 2019; 166:87-96. [DOI: 10.1016/j.jcpa.2018.10.181] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2018] [Revised: 10/19/2018] [Accepted: 10/29/2018] [Indexed: 11/23/2022]
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Abstract
Pet dogs are becoming increasingly recognized as a population with the potential to inform medical research through their treatment for a variety of maladies by veterinary health professionals. This is the basis of the One Health initiative, supporting the idea of collaboration between human and animal health researchers and clinicians to study spontaneous disease processes and treatment in animals to inform human health. Cancer is a major health burden in pet dogs, accounting for approximately 30% of deaths across breeds. As such, pet dogs with cancer are becoming increasingly recognized as a resource for studying the pharmacology and therapeutic potential of anticancer drugs and therapies under development. This was recently highlighted by a National Academy of Medicine Workshop on Comparative Oncology that took place in mid-2015 (http://www.nap.edu/21830). One component of cancer burden in dogs is their significantly higher incidence of sarcomas as compared to humans. This increased incidence led to canine osteosarcoma being an important component in the development of surgical approaches for osteosarcoma in children. Included in this review of sarcomas in dogs is a description of the incidence, pathology, molecular characteristics and previous translational therapeutic studies associated with these tumors. An understanding of the patho-physiological and molecular characteristics of these naturally occurring canine sarcomas holds great promise for effective incorporation into drug development schemas, for evaluation of target modulation or other pharmacodynamic measures associated with therapeutic response. These data could serve to supplement other preclinical data and bolster clinical investigations in tumor types for which there is a paucity of human patients for clinical trials.
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Affiliation(s)
- Daniel L Gustafson
- Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523, USA; Flint Animal Cancer Center, Colorado State University, Fort Collins, CO 80523, USA; University of Colorado Cancer Center, Anschutz Medical Campus, Aurora, CO 80045, USA.
| | - Dawn L Duval
- Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523, USA; Flint Animal Cancer Center, Colorado State University, Fort Collins, CO 80523, USA; University of Colorado Cancer Center, Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Daniel P Regan
- Department of Microbiology, Immunology and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523, USA; Flint Animal Cancer Center, Colorado State University, Fort Collins, CO 80523, USA; University of Colorado Cancer Center, Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Douglas H Thamm
- Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523, USA; Flint Animal Cancer Center, Colorado State University, Fort Collins, CO 80523, USA; University of Colorado Cancer Center, Anschutz Medical Campus, Aurora, CO 80045, USA
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