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Fibropapillomatosis: A Review of the Disease with Attention to the Situation Northern Coast of Brazil.
Animals (Basel)
June 2024
Instituto de Medicina Veterinária, Universidade Federal do Pará, Castanhal 68740970, PA, Brazil.
Fibropapillomatosis in sea turtles is a potentially debilitating and fatal disease for which there is still a lack of knowledge, especially for specific regions of Brazil. The diagnosis is made through the observation of clinical manifestations, and despite its association with Chelonid Alphaherpesvirus 5 (ChHV5) as the etiological agent, the expression of the disease may also be related to immunological and environmental factors caused by anthropic degradation of the environment. Thus, this review aims to elucidate what is known about this disease globally, and especially in various regions of Brazil, promoting a better understanding of its evolution, spatiotemporal prevalence, and relationship with human activities.
View Article and Find Full Text PDFIdentification of bovine papillomavirus type 1 and 2 from bovine anogenital fibropapillomas.
J Vet Med Sci
July 2019
Division of Infection Control and Disease Prevention, Department of Veterinary Medical Science, Graduate School of Agriculture and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan.
Papillomavirus (PV) is a well-known pathogen associated with epithelial and mucosal neoplastic diseases. In contrast to human PVs, characterization of animal PVs from the aspect of anogenital neoplasm is still on a learning curve. In the present study, two vulval and one anal warts, histologically diagnosed as fibropapillomas, excised from dairy cattle were analyzed.
View Article and Find Full Text PDFQuantitative analysis of infiltrating immune cells and bovine papillomavirus type 1 E2-positive cells in equine sarcoids.
Vet J
October 2016
Swiss Institute of Equine Medicine, ALP-Haras, Länggassstrasse 124, Postfach 8466, Berne CH-3001, Switzerland.
Sarcoids are the most frequently observed skin tumours in equids and consist of cutaneous accumulations of transformed fibroblasts. Their aetiopathogenesis is closely linked to a presumably abortive infection by bovine papillomavirus (BPV) types 1 and 2. In cattle, dermal fibropapillomas induced by BPV1/2 usually regress spontaneously due to a local, cell-mediated, immune response; however, equids appear to lack an effective immune response to BPV1/2 and mechanisms of immune evasion have been postulated.
View Article and Find Full Text PDFBoth tumour cells and infiltrating T-cells in equine sarcoids express FOXP3 associated with an immune-supressed cytokine microenvironment.
Vet Res
May 2016
School of Veterinary Sciences, University of Bristol, Langford, Bristol, BS40 5DU, UK.
Bovine papillomavirus (BPV) infections of equine species have a central role in the aetiology of equine sarcoids; a common benign skin tumour of horses, zebras and donkeys. Within the lesions, all of the early papillomavirus genes are expressed and promote the excessive replication of fibroblasts which characterise these tumours. Equine sarcoids differ from BPV induced fibro-papillomas of cattle (the natural host of BPV), in that they do not produce high amounts of virus particles, do not usually regress spontaneously and do not sero-convert to BPV; features which suggest that affected horses lack an effective anti-viral immune response to BPV.
View Article and Find Full Text PDFManagement of Male Reproductive Tract Injuries and Disease.
Vet Clin North Am Food Anim Pract
July 2016
Theriogenology, Food Animal Medicine & Ambulatory, Department of Pathobiology & Population Medicine, College of Veterinary Medicine, Mississippi State University, 4561 South Montgomery, Starkville, MS 39759, USA. Electronic address:
Medical and surgical management can be used to restore a bull that has suffered a reproductive tract malady. The economic cost of treatment weighed against the bull's replacement value as well as prognosis for recovery is of prime consideration. In turn, early recognition of a treatable condition and immediate initiation of action are factors that impact both treatment cost and prognosis in many cases.
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