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Bertram CA, Donovan TA, Bartel A. Mitotic activity: A systematic literature review of the assessment methodology and prognostic value in canine tumors. Vet Pathol 2024; 61:752-764. [PMID: 38533804 PMCID: PMC11370189 DOI: 10.1177/03009858241239565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
One of the most relevant prognostic indices for tumors is cellular proliferation, which is most commonly measured by the mitotic activity in routine tumor sections. The goal of this systematic review was to analyze the methods and prognostic relevance of histologically measuring mitotic activity that have been reported for canine tumors in the literature. A total of 137 articles that correlated the mitotic activity in canine tumors with patient outcome were identified through a systematic (PubMed and Scopus) and nonsystematic (Google Scholar) literature search and eligibility screening process. Mitotic activity methods encompassed the mitotic count (MC, number of mitotic figures per tumor area) in 126 studies, presumably the MC (method not specified) in 6 studies, and the mitotic index (MI, number of mitotic figures per number of tumor cells) in 5 studies. A particularly high risk of bias was identified based on the available details of the MC methods and statistical analyses, which often did not quantify the prognostic discriminative ability of the MC and only reported P values. A significant association of the MC with survival was found in 72 of 109 (66%) studies. However, survival was evaluated by at least 3 studies in only 7 tumor types/groups, of which a prognostic relevance is apparent for mast cell tumors of the skin, cutaneous melanoma, and soft tissue tumor of the skin and subcutis. None of the studies using the MI found a prognostic relevance. This review highlights the need for more studies with standardized methods and appropriate analysis of the discriminative ability to prove the prognostic value of the MC and MI in various tumor types. Future studies are needed to evaluate the influence of the performance of individual pathologists on the appropriateness of prognostic thresholds and investigate methods to improve interobserver reproducibility.
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de Brot S, Cobb J, Alibhai AA, Jackson-Oxley J, Haque M, Patke R, Harris AE, Woodcock CL, Lothion-Roy J, Varun D, Thompson R, Gomes C, Kubale V, Dunning MD, Jeyapalan JN, Mongan NP, Rutland CS. Immunohistochemical Investigation into Protein Expression Patterns of FOXO4, IRF8 and LEF1 in Canine Osteosarcoma. Cancers (Basel) 2024; 16:1945. [PMID: 38792023 PMCID: PMC11120020 DOI: 10.3390/cancers16101945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 05/16/2024] [Accepted: 05/18/2024] [Indexed: 05/26/2024] Open
Abstract
Osteosarcoma (OSA) is the most common type of primary bone malignancy in people and dogs. Our previous molecular comparisons of canine OSA against healthy bone resulted in the identification of differentially expressed protein-expressing genes (forkhead box protein O4 (FOXO4), interferon regulatory factor 8 (IRF8), and lymphoid enhancer binding factor 1 (LEF1)). Immunohistochemistry (IHC) and H-scoring provided semi-quantitative assessment of nuclear and cytoplasmic staining alongside qualitative data to contextualise staining (n = 26 patients). FOXO4 was expressed predominantly in the cytoplasm with significantly lower nuclear H-scores. IRF8 H-scores ranged from 0 to 3 throughout the cohort in the nucleus and cytoplasm. LEF1 was expressed in all patients with significantly lower cytoplasmic staining compared to nuclear. No sex or anatomical location differences were observed. While reduced levels of FOXO4 might indicate malignancy, the weak or absent protein expression limits its primary use as diagnostic tumour marker. IRF8 and LEF1 have more potential for prognostic and diagnostic uses and facilitate further understanding of their roles within their respective molecular pathways, including Wnt/beta-catenin/LEF1 signalling and differential regulation of tumour suppressor genes. Deeper understanding of the mechanisms involved in OSA are essential contributions towards the development of novel diagnostic, prognostic, and treatment options in human and veterinary medicine contexts.
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Affiliation(s)
- Simone de Brot
- School of Veterinary Medicine and Science, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, UK; (S.d.B.); (J.C.); (A.A.A.); (J.J.-O.); (M.H.); (R.P.); (A.E.H.); (C.L.W.); (J.L.-R.); (D.V.); (R.T.); (C.G.); (M.D.D.); (J.N.J.)
- Comparative Pathology Platform of the University of Bern (COMPATH), Institute of Animal Pathology, University of Bern, 3012 Bern, Switzerland
| | - Jack Cobb
- School of Veterinary Medicine and Science, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, UK; (S.d.B.); (J.C.); (A.A.A.); (J.J.-O.); (M.H.); (R.P.); (A.E.H.); (C.L.W.); (J.L.-R.); (D.V.); (R.T.); (C.G.); (M.D.D.); (J.N.J.)
| | - Aziza A. Alibhai
- School of Veterinary Medicine and Science, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, UK; (S.d.B.); (J.C.); (A.A.A.); (J.J.-O.); (M.H.); (R.P.); (A.E.H.); (C.L.W.); (J.L.-R.); (D.V.); (R.T.); (C.G.); (M.D.D.); (J.N.J.)
| | - Jorja Jackson-Oxley
- School of Veterinary Medicine and Science, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, UK; (S.d.B.); (J.C.); (A.A.A.); (J.J.-O.); (M.H.); (R.P.); (A.E.H.); (C.L.W.); (J.L.-R.); (D.V.); (R.T.); (C.G.); (M.D.D.); (J.N.J.)
| | - Maria Haque
- School of Veterinary Medicine and Science, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, UK; (S.d.B.); (J.C.); (A.A.A.); (J.J.-O.); (M.H.); (R.P.); (A.E.H.); (C.L.W.); (J.L.-R.); (D.V.); (R.T.); (C.G.); (M.D.D.); (J.N.J.)
| | - Rodhan Patke
- School of Veterinary Medicine and Science, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, UK; (S.d.B.); (J.C.); (A.A.A.); (J.J.-O.); (M.H.); (R.P.); (A.E.H.); (C.L.W.); (J.L.-R.); (D.V.); (R.T.); (C.G.); (M.D.D.); (J.N.J.)
| | - Anna E. Harris
- School of Veterinary Medicine and Science, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, UK; (S.d.B.); (J.C.); (A.A.A.); (J.J.-O.); (M.H.); (R.P.); (A.E.H.); (C.L.W.); (J.L.-R.); (D.V.); (R.T.); (C.G.); (M.D.D.); (J.N.J.)
| | - Corinne L. Woodcock
- School of Veterinary Medicine and Science, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, UK; (S.d.B.); (J.C.); (A.A.A.); (J.J.-O.); (M.H.); (R.P.); (A.E.H.); (C.L.W.); (J.L.-R.); (D.V.); (R.T.); (C.G.); (M.D.D.); (J.N.J.)
| | - Jennifer Lothion-Roy
- School of Veterinary Medicine and Science, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, UK; (S.d.B.); (J.C.); (A.A.A.); (J.J.-O.); (M.H.); (R.P.); (A.E.H.); (C.L.W.); (J.L.-R.); (D.V.); (R.T.); (C.G.); (M.D.D.); (J.N.J.)
| | - Dhruvika Varun
- School of Veterinary Medicine and Science, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, UK; (S.d.B.); (J.C.); (A.A.A.); (J.J.-O.); (M.H.); (R.P.); (A.E.H.); (C.L.W.); (J.L.-R.); (D.V.); (R.T.); (C.G.); (M.D.D.); (J.N.J.)
| | - Rachel Thompson
- School of Veterinary Medicine and Science, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, UK; (S.d.B.); (J.C.); (A.A.A.); (J.J.-O.); (M.H.); (R.P.); (A.E.H.); (C.L.W.); (J.L.-R.); (D.V.); (R.T.); (C.G.); (M.D.D.); (J.N.J.)
| | - Claudia Gomes
- School of Veterinary Medicine and Science, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, UK; (S.d.B.); (J.C.); (A.A.A.); (J.J.-O.); (M.H.); (R.P.); (A.E.H.); (C.L.W.); (J.L.-R.); (D.V.); (R.T.); (C.G.); (M.D.D.); (J.N.J.)
| | - Valentina Kubale
- Institute of Preclinical Sciences, Veterinary Faculty, University of Ljubljana, 1000 Ljubljana, Slovenia;
| | - Mark D. Dunning
- School of Veterinary Medicine and Science, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, UK; (S.d.B.); (J.C.); (A.A.A.); (J.J.-O.); (M.H.); (R.P.); (A.E.H.); (C.L.W.); (J.L.-R.); (D.V.); (R.T.); (C.G.); (M.D.D.); (J.N.J.)
- Willows Veterinary Centre and Referral Service, Solihull B90 4NH, UK
| | - Jennie N. Jeyapalan
- School of Veterinary Medicine and Science, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, UK; (S.d.B.); (J.C.); (A.A.A.); (J.J.-O.); (M.H.); (R.P.); (A.E.H.); (C.L.W.); (J.L.-R.); (D.V.); (R.T.); (C.G.); (M.D.D.); (J.N.J.)
- Faculty of Medicine and Health Science, Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, UK
| | - Nigel P. Mongan
- School of Veterinary Medicine and Science, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, UK; (S.d.B.); (J.C.); (A.A.A.); (J.J.-O.); (M.H.); (R.P.); (A.E.H.); (C.L.W.); (J.L.-R.); (D.V.); (R.T.); (C.G.); (M.D.D.); (J.N.J.)
- Willows Veterinary Centre and Referral Service, Solihull B90 4NH, UK
- Department of Pharmacology, Weill Cornell Medicine, New York, NY 10075, USA
| | - Catrin S. Rutland
- School of Veterinary Medicine and Science, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, UK; (S.d.B.); (J.C.); (A.A.A.); (J.J.-O.); (M.H.); (R.P.); (A.E.H.); (C.L.W.); (J.L.-R.); (D.V.); (R.T.); (C.G.); (M.D.D.); (J.N.J.)
- Faculty of Medicine and Health Science, Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, UK
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Bryan JN. Updates in Osteosarcoma. Vet Clin North Am Small Anim Pract 2024; 54:523-539. [PMID: 38158305 DOI: 10.1016/j.cvsm.2023.12.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Clinical care of osteosarcoma (OSA) in dogs has seen little change during the past 2 decades, relying on amputation and platinum-based chemotherapy for pain control and survival. Recent advancements offer hope for improved outcomes. Genomic research reveals shared genetic abnormalities between canine and human OSA. Multidimensional imaging provides valuable staging and prognostic information. Limb-sparing approaches including stereotactic body radiation therapy are routine. Ablative therapies such as microwave ablation and histotripsy show promise. Immunotherapy including cell therapy and immune checkpoint inhibition are available. Radiopharmaceuticals are tuned to target OSA cells directly. These innovations may enhance treatment and prognosis for dogs with OSA.
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Affiliation(s)
- Jeffrey N Bryan
- Comparative Oncology Radiobiology and Epigenetics Laboratory, University of Missouri Columbia, Ellis Fischel Cancer Center, 900 East Campus Drive, Columbia, MO 65211, USA.
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Shoaib Z, Fan TM, Irudayaraj J. Osteosarcoma mechanobiology and therapeutic targets. Br J Pharmacol 2021; 179:201-217. [PMID: 34679192 PMCID: PMC9305477 DOI: 10.1111/bph.15713] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 09/15/2021] [Accepted: 09/22/2021] [Indexed: 11/28/2022] Open
Abstract
Osteosarcoma (OS) is the one of the most common primary tumors of bone with less than a 20% 5-year survival rate after the development of metastases. OS is highly predisposed in Paget's disease (PD) of bone, and both have common characteristic skeletal features due to rapid bone remodeling. OS prognosis is location dependent which further emphasizes the likely contribution of the bone microenvironment in its pathogenesis. Mechanobiology is the phenomenon when mechanical cues from the changing physical microenvironment of bone are transduced to biological pathways through mechanosensitive cellular components. Mechanobiology-driven therapies have been used for curbing tumor progression by direct alteration of the physical microenvironment or inhibition of metastasis-associated mechanosensitive proteins. This review emphasizes the contribution of mechanobiology to OS progression, and sheds light on current mechanobiology-based therapies and potential new targets for improving disease management. Additionally, the variety of 3D models currently used to study OS mechanobiology are summarized.
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Affiliation(s)
- Zunaira Shoaib
- Department of Pathobiology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Timothy M Fan
- Department of Veterinary Clinical Medicine, University of Illinois at Urbana-Champaign, Urbana, IL, USA.,Cancer Center at Illinois, University of Illinois Urbana-Champaign, Urbana, IL, USA
| | - Joseph Irudayaraj
- Department of Bioengineering, Nick Holonyak Micro and Nanotechnology Laboratory, University of Illinois at Urbana-Champaign, IL, USA.,Biomedical Research Center, Carle Foundation Hospital, Urbana, IL, USA.,Cancer Center at Illinois, University of Illinois Urbana-Champaign, Urbana, IL, USA
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Samuels SK, Cook MR, Green E, Jennings R, Pool RR, Wavreille VA, Kisseberth WC, Selmic LE. Case Report: Metastatic Parosteal Osteosarcoma in a Dog. Front Vet Sci 2021; 8:715908. [PMID: 34504888 PMCID: PMC8421772 DOI: 10.3389/fvets.2021.715908] [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: 05/27/2021] [Accepted: 07/27/2021] [Indexed: 12/04/2022] Open
Abstract
This case report describes a rare form of malignant bone tumor in an 8-year-old Labrador retriever. This dog initially presented for evaluation of a right distal humeral mass. Radiographs of the right elbow and thorax were performed, revealing a smooth mineralized mass adjacent to the lateral aspect of the distal humerus and a 5mm pulmonary nodule. Computed tomography (CT) of the humerus and thorax showed a smooth mineralized lesion adjacent to the lateral humeral epicondyle, and a right cranial lung lobe nodule with a thin mineral rim. Surgical biopsies of both lesions were diagnostic for parosteal osteosarcoma (POSA). The dog was then treated with stereotactic body radiation therapy (SBRT) which controlled the dog's discomfort for 14 months until he became progressively painful and subsequently had his right forelimb amputated. This case report is the first to document the CT imaging characteristics of a metastatic appendicular POSA in a dog and the first dog described with POSA treated with SBRT. The dog lived for 623 days after histopathologic diagnosis and 849 days after initial presentation with pulmonary metastatic disease.
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Affiliation(s)
- Sarah K Samuels
- Department of Veterinary Clinical Sciences, The Ohio State University, Columbus, OH, United States
| | - Matthew R Cook
- Department of Veterinary Clinical Sciences, The Ohio State University, Columbus, OH, United States
| | - Eric Green
- Department of Veterinary Clinical Sciences, The Ohio State University, Columbus, OH, United States
| | - Ryan Jennings
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, United States
| | - Roy R Pool
- Department of Veterinary Pathobiology, Texas A&M University, College Station, TX, United States
| | - Vincent A Wavreille
- Surgery Service, Small Animal Department, University of Zurich, Zurich, Switzerland
| | - William C Kisseberth
- Department of Veterinary Clinical Sciences, The Ohio State University, Columbus, OH, United States
| | - Laura E Selmic
- Department of Veterinary Clinical Sciences, The Ohio State University, Columbus, OH, United States
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