Molecular Detection of Bovine Papillomavirus DNA in the Placenta and Blood of Healthy Mares and Respective Foals.
Abstract: Despite the characteristic species specificity of Papillomaviruses (PVs), the bovine papillomavirus (BPV) types 1, 2, and-more rarely-13, can cross-infect equids, where they are involved in the pathogenesis of sarcoid neoplasms. Sarcoids are locally invasive fibroblastic skin tumors that represent the most common skin neoplasms in horses worldwide. The transmission mechanism of BPV is still controversial in horses. Thus far, direct and indirect routes have been implicated, while vertical transmission has been suggested after the detection of viral DNA in the semen of healthy stallions. Testing of the blood and placenta of non-sarcoid baring mares and their respective foals revealed that the equine placenta can harbor BPV DNA, leading us to speculate a possible prenatal vertical DNA transmission in equids.
Publication Date: 2019-02-06 PubMed ID: 30736349PubMed Central: PMC6466198DOI: 10.3390/vetsci6010014Google Scholar: Lookup
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Summary
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This research discusses the detection of Bovine Papillomavirus (BPV) DNA in the placenta and blood of healthy horses and their foals. It suggests that the equine placenta can potentially harbor this virus, leading to speculations about prenatal transmission of this virus in horses.
Understanding Papillomaviruses and Their Involvement in Sarcoid Neoplasms
- Papillomaviruses (PVs), including the Bovine Papillomavirus (BPV), are known for their species specificity. This means they usually infect a specific species and are generally not cross-transmissible to others.
- However, the research paper indicates the rare instances where BPV types 1, 2, and occasionally 13, can cross-infect horses or equids. This cross-infection is implicated in causing sarcoid neoplasms in horses.
- Sarcoids are locally invasive fibroblastic skin tumors, known to be the most common form of skin neoplasms in horses worldwide.
Bovine Papillomavirus Transmission Mechanisms
- The exact mechanism of how BPV is transmitted in horses is still a topic for debate and investigation. Up until now, both direct and indirect ways have been suggested.
- This research paper introduces the possibility of vertical transmission. This method suggests that the virus could be transmitted from parent to offspring during the gestation period. Evidence supporting this comes from detecting viral DNA in the semen of healthy male horses.
Presence of BPV DNA in the Placenta and Blood
- In the research, the blood and placenta of healthy mares (female horses) and their foals that didn’t show signs of sarcoid tumors, were tested.
- The results indicated the presence of BPV DNA in the equine placenta. This finding has led to an important hypothesis arguing for a possible prenatal vertical DNA transmission in horses, meaning the virus could be passed from mother to foal before birth.
- If proven true, this could lead to radical changes in how BPV infection in horses is understood, leading to new preventative therapies or treatments.
Cite This Article
APA
Savini F, Gallina L, Mazza F, Mariella J, Castagnetti C, Scagliarini A.
(2019).
Molecular Detection of Bovine Papillomavirus DNA in the Placenta and Blood of Healthy Mares and Respective Foals.
Vet Sci, 6(1).
https://doi.org/10.3390/vetsci6010014 Publication
Researcher Affiliations
- Department of Veterinary Medical Sciences, University of Bologna, Via Tolara di Sopra, 50 Ozzano Emilia, Bologna 40064, Italy. federica.savini3@unibo.it.
- Department of Veterinary Medical Sciences, University of Bologna, Via Tolara di Sopra, 50 Ozzano Emilia, Bologna 40064, Italy. laura.gallina@unibo.it.
- Department of Veterinary Medical Sciences, University of Bologna, Via Tolara di Sopra, 50 Ozzano Emilia, Bologna 40064, Italy. francesca.mazza7@unibo.it.
- Department of Veterinary Medical Sciences, University of Bologna, Via Tolara di Sopra, 50 Ozzano Emilia, Bologna 40064, Italy. jole.mariella2@unibo.it.
- Department of Veterinary Medical Sciences, University of Bologna, Via Tolara di Sopra, 50 Ozzano Emilia, Bologna 40064, Italy. carolina.castagnetti@unibo.it.
- Department of Veterinary Medical Sciences, University of Bologna, Via Tolara di Sopra, 50 Ozzano Emilia, Bologna 40064, Italy. alessand.scagliarini@unibo.it.
Conflict of Interest Statement
The authors declare no conflict of interest.
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