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Characterisation of canine parvovirus strains isolated from cats with feline panleukopenia.

ABSTRACT: Unlike the original canine parvovirus type 2 (CPV-2), CPV-2 variants have gained the ability to replicate in vivo in cats but there is limited information on the disease patterns induced by these variants in the feline host. During 2008, two distinct cases of parvoviral infection were diagnosed in our laboratories. A CPV-2a variant was identified in a 3-month-old Persian kitten displaying clinical sign of feline panleukopenia (FPL) (acute gastroenteritis and marked leukopenia) and oral ulcerations, that died eight days after the onset of the disease. Two pups living in the same pet shop as the cat were found to shed a CPV-2a strain genetically identical to the feline virus and were likely the source of infection. Also, non-fatal infection by a CPV-2c strain occurred in a 2.5-month-old European shorthair kitten displaying non-haemorrhagic diarrhoea and normal white blood cell counts. By sequence analysis of the major capsid protein (VP2) gene, the feline CPV-2c strain showed 100% identity to a recent canine type-2c isolate. Both kittens had been administered multivalent vaccines against common feline pathogens including FPL virus. Whether and to which extent the FPL vaccines can protect cats adequately from the antigenic variants of CPV-2 should be assessed.

SUBMITTER: Decaro N

PROVIDER: S-EPMC7118797 | biostudies-literature | 2010 Oct

REPOSITORIES: biostudies-literature

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Characterisation of canine parvovirus strains isolated from cats with feline panleukopenia.

Decaro Nicola N Buonavoglia Domenico D Desario Costantina C Amorisco Francesca F Colaianni Maria Loredana ML Parisi Antonio A Terio Valentina V Elia Gabriella G Lucente Maria Stella MS Cavalli Alessandra A Martella Vito V Buonavoglia Canio C

Research in veterinary science 20100323 2

Unlike the original canine parvovirus type 2 (CPV-2), CPV-2 variants have gained the ability to replicate in vivo in cats but there is limited information on the disease patterns induced by these variants in the feline host. During 2008, two distinct cases of parvoviral infection were diagnosed in our laboratories. A CPV-2a variant was identified in a 3-month-old Persian kitten displaying clinical sign of feline panleukopenia (FPL) (acute gastroenteritis and marked leukopenia) and oral ulceratio ...[more]

PMID: 20334885

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Project description:Forty diseased cats and seven healthy control cats from different sex, ages and breeds had examined clinically to confirm presence or absence of clinical symptoms of Feline panleukopenia disease (FP). Several tools including ELISA, gene expression analysis (qRT-PCR), DNA fragmentation test and apoptosis assay were conducted to determine the Feline panleukopenia disease in cat tissues. Clinical symptoms in the form of depression, fever, anorexia, vomiting, diarrhea, dehydration, anaemia and leucopenia were recorded in the diseased cats while no clinical sings were observed in control healthy cats. ELISA results showed that all of diseased (n?=?40) cats were positive while control cats (n?=?7) were negative for FP viral antigen. After carrying out of ELISA assay, supportive treatment trials including fluid therapy, immunostimulant, antibiotics to overcome dehydration, restoring electrolytes imbalances, combating secondary bacterial infection were conducted but all diseased cats were died and control cats exposed to soft death. Gene expression analysis detected high levels of FP viral gene in several cat tissues in which ilium exhibited high viral expression levels compared with jejunum. Also, viral expression levels in jejunum were higher than in mesenteric lymph nodes. In addition, viral expression levels were not detected in tissues of control cats. The results of the DNA fragmentation assay observed that DNA extracted from different tissues of infected cats exhibited damaged DNA bands as compared with DNA of control cats. DNA fragmentation rates in infected tissues increased significantly (P?<?0.01), the highest rates were showed in ilium and jejunum tissue than in mesenteric lymph nodes. Determination of apoptosis in cat tissues showed that rate of apoptosis/necrosis increased significantly (P?<?0.05) in infected cats tissues in comparison to control cats. Moreover the highest apoptotic ratios of infected cats were observed in ilium and jejunum tissues compared with mesenteric lymph nodes.

Dataset Information

Characterisation of canine parvovirus strains isolated from cats with feline panleukopenia.

Publications

Characterisation of canine parvovirus strains isolated from cats with feline panleukopenia.

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