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. 1997 Mar;35(3):673–675. doi: 10.1128/jcm.35.3.673-675.1997

Development of a nested PCR assay for detection of feline infectious peritonitis virus in clinical specimens.

D A Gamble 1, A Lobbiani 1, M Gramegna 1, L E Moore 1, G Colucci 1
PMCID: PMC229648  PMID: 9041410

Abstract

A diagnostic test for feline infectious peritonitis virus (FIPV) infection based on a nested PCR (nPCR) assay was developed and tested with FIPV, feline enteric coronavirus (FECV), canine coronavirus (CCV), and transmissible gastroenteritis virus (TGEV) and clinical fluid samples from cats with effusive feline infectious peritonitis (FIP). The target sequence for the assay is in the S1 region of the peplomer protein E2 gene. A vaccine strain of FIPV and two wild-type FIPV strains tested positive, but FECV, TGEV, and CCV tested negative. Preliminary tests with 12 cats with clinical evidence of effusive FIP and 11 cats with an illness associated with effusions, but attributed to other causes, were performed. Eleven of the 12 cats with effusive FIP tested positive, while 1 was negative. Ten of the 11 cats ill from other causes tested negative, while 1 was positive. On the basis of clinical laboratory and histopathologic criteria, the preliminary sensitivity and specificity of the assay were 91.6 and 94%, respectively.

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Selected References

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