Difference between revisions of "Bovine Papillomaviruses"
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* Usually affects pedunculated structures in [[The Reticulum - Anatomy & Physiology|reticulum]]/[[The Rumen - Anatomy & Physiology|rumen]] of cattle. | * Usually affects pedunculated structures in [[The Reticulum - Anatomy & Physiology|reticulum]]/[[The Rumen - Anatomy & Physiology|rumen]] of cattle. | ||
| − | [[Category:Papomaviridae]][[Category:Cattle]] | + | [[Category:Papomaviridae]][[Category:Cattle]][[Category:Forestomach - Proliferative Pathology]] |
| + | |||
[[Category:To_Do_-_Viruses]] | [[Category:To_Do_-_Viruses]] | ||
[[Category:To_Do_-_Clinical]] | [[Category:To_Do_-_Clinical]] | ||
Revision as of 13:51, 28 June 2010
- 2 groups:
- Fibropapillomas: viral DNA sequences, but no virus found
- Epithelial Papillomas: virus found
- Calves most commonly affected
- Usually resolves spontaneously
- Can undergo malignant transformation to alimentary carcinomas
- Usually concurrent with grazing bracken (co-carcinogen) and ingesting quercetin (immunosuppressant)
- Can cause squamous cell carcinoma of the eye in Hereford cattle, where UV light acts as the co-carcinogen