Equus caballus papillomavirus Type 7 is a rare cause of equine penile squamous cell carcinomas.

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dc.citation.volume306
dc.contributor.authorMunday JS
dc.contributor.authorKnight CG
dc.contributor.authorBodaan CJ
dc.contributor.authorCodaccioni C
dc.contributor.authorHardcastle MR
dc.coverage.spatialEngland
dc.date.accessioned2024-08-05T01:12:58Z
dc.date.available2024-08-05T01:12:58Z
dc.date.issued2024-08-01
dc.description.abstractPenile squamous cell carcinomas (SCCs) are common, potentially life-threatening neoplasms of horses. They are well-recognized to be caused by Equus caballus papillomavirus (EcPV) type 2, although EcPV2 cannot be detected in all cases. A 23-year-old standardbred gelding developed multiple penile in situ and invasive SCCs that contained histological evidence of PV infection. By using both consensus and specific PCR primers, these lesions were found to contain EcPV7 DNA, but not DNA from EcPV2 or any other PV type. To determine how frequently EcPV7 is present in equine penile SCCs, specific primers were used to detect EcPV2 and EcPV7 in a series of 20 archived samples. EcPV7 was the only PV detected in one, both EcPV2 and 7 were detected in five, and only EcPV2 was detected in 14 SCCs. EcPV7 DNA was also detected in three of 10 archived oropharyngeal SCCs, although only as a co- infection with EcPV2. This is the first report of EcPV7 causing disease in horses. These results suggest EcPV7 could cause a subset of equine penile SCCs, and this is the first evidence that PV types other than EcPV2 can cause these neoplasms. The detection of EcPV7 in the oropharyngeal SCCs suggests a potential role of this PV type in the development of these SCCs. There were no clinical or histological features that differentiated lesions containing EcPV7 DNA from those containing EcPV2 DNA. If EcPV7 causes a proportion of equine penile SCCs, vaccines to prevent EcPV2 infection may not prevent all equine penile SCCs.
dc.description.confidentialfalse
dc.edition.editionAugust 2024
dc.format.pagination106155-
dc.identifier.author-urlhttps://www.ncbi.nlm.nih.gov/pubmed/38838769
dc.identifier.citationMunday JS, Knight CG, Bodaan CJ, Codaccioni C, Hardcastle MR. (2024). Equus caballus papillomavirus Type 7 is a rare cause of equine penile squamous cell carcinomas.. Vet J. 306. (pp. 106155-).
dc.identifier.doi10.1016/j.tvjl.2024.106155
dc.identifier.eissn1532-2971
dc.identifier.elements-typejournal-article
dc.identifier.issn1090-0233
dc.identifier.number106155
dc.identifier.piiS1090-0233(24)00094-7
dc.identifier.urihttps://mro.massey.ac.nz/handle/10179/71191
dc.languageeng
dc.publisherElsevier B.V.
dc.publisher.urihttps://www.sciencedirect.com/science/article/pii/S1090023324000947?
dc.relation.isPartOfVet J
dc.rights(c) 2024 The Author/s
dc.rightsCC BY 4.0
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectEcPV7
dc.subjectEquine
dc.subjectHorse
dc.subjectLaryngeal squamous cell carcinoma
dc.subjectNeoplasia
dc.subjectPapillomavirus
dc.subjectPenile squamous cell carcinoma
dc.titleEquus caballus papillomavirus Type 7 is a rare cause of equine penile squamous cell carcinomas.
dc.typeJournal article
pubs.elements-id489177
pubs.organisational-groupOther
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