Antibody-Dependent Enhancement Occurs Upon Re-Infection with the Identical Serotype Virus in Feline Infectious Peritonitis Virus Infection

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Antibody-dependent enhancement occurs upon re-infection with the identical serotype virus in feline infectious peritonitis virus infection.

Feline infectious peritonitis virus (FIPV) is classified into serotype I and serotype II according to the amino acid sequence of its spike(S) protein. Antibody dependent enhancement (ADE) of macrophage infection occurs in the presence of antibodies to FIPV S protein, and a close relationship between ADE and neutralizing epitopes has been reported. The importance of differences in FIPV serotype ...

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Monoclonal antibodies to the spike protein of feline infectious peritonitis virus mediate antibody-dependent enhancement of infection of feline macrophages.

Antibody-dependent enhancement of virus infection is a process whereby virus-antibody complexes initiate infection of cells via Fc receptor-mediated endocytosis. We sought to investigate antibody-dependent enhancement of feline infectious peritonitis virus infection of primary feline peritoneal macrophages in vitro. Enhancement of infection was assessed, after indirect immunofluorescent-antibod...

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Monoclonal antibody analysis of neutralization and antibody-dependent enhancement of feline infectious peritonitis virus.

Fifty-four monoclonal antibodies (MAbs) to feline infectious peritonitis virus (FIPV) were characterized according to protein specificity, immunoglobulin subclass, virus neutralization, reactivity with different coronaviruses, and ability to induce antibody-dependent enhancement (ADE) of FIPV infection in vitro. The MAbs were found to be specific for one of three structural proteins of FIPV. A ...

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A synopsis of feline infectious peritonitis virus infection

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Identification of antigenic sites mediating antibody-dependent enhancement of feline infectious peritonitis virus infectivity.

We have previously demonstrated antibody-dependent enhancement of feline infectious peritonitis virus (FIPV) infection of macrophages using both virus-specific antisera and monoclonal antibodies (MAbs) to the spike (S) protein of FIPV. To increase our understanding of this phenomenon, six representative MAbs from a previously documented group of 12 enhancing MAbs were used to identify epitopes ...

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ژورنال

عنوان ژورنال: Journal of Veterinary Medical Science

سال: 2008

ISSN: 0916-7250,1347-7439

DOI: 10.1292/jvms.70.1315