Journal
JOURNAL OF VIROLOGICAL METHODS
Volume 258, Issue -, Pages 24-28Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jviromet.2018.05.002
Keywords
Feline morbillivirus; Feline morbillivirus; Real-time RT-PCR; Cats; Immunohistochemistry
Funding
- Italian Ministry of Health into Ministero della Salute [IZS AM 06/17 RC, IZS AM 04/13 RC]
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The aim of this study was to develop a real-time RT-PCR to detect and quantitate feline morbillivirus (FeMV) RNA in biological samples. Primers and probe were targeted on a conserved region of FeMV P/V/C gene. To validate the assay with field samples, a total number of specimens of cats have been recruited including 264 urine and blood samples and compared with a generic RT-PCR targeting the L protein encoding gene of morbilliviruses. In addition, 385 tissue samples from 35 carcasses of cats have been also employed. RNA titres were low in all tested samples. Results also indicated the absence of cross-reaction with related morbilliviruses and existing pathogens of cats. In tissues with low levels of FeMV RNA, the presence of viral antigen was also evidenced by immunohistochemistry targeting the N viral protein. This newly described assay allows for a rapid, accurate and reliable quantitative detection of FeMV RNA that can be applied for diagnostics and research studies.
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