Abstract:
:Using gag protein of feline immunodeficiency virus (FIV) expressed in Escherichia coli, an enzyme-linked immunosorbent assay (ELISA) system was developed for detection of antibodies to FIV gag protein in cat sera. With serum samples from cats experimentally infected with several strains and an infectious molecular clone of FIV, increases of the antibody titers to FIV gag protein were observed in all cases by the ELISA at early stage of infection. When we examined a total of 415 field cat sera which were previously tested by an indirect immunofluorescence assay (IFA), 9 (12.9%) out of 70 IFA positive sera were judged as negative by the ELISA. However, all 3 serum samples tested among the 9 IFA positive sera had antibodies to gp130 but not to p26 by a radioimmunoprecipitation assay. The results indicated that some IFA positive sera did not have antibodies to the p26 though they have antibodies to other proteins specific for FIV.
journal_name
Arch Viroljournal_title
Archives of virologyauthors
Furuya T,Hasegawa A,Miyazawa T,Miki K,Mikami Tdoi
10.1007/BF01309815keywords:
subject
Has Abstractpub_date
1992-01-01 00:00:00pages
355-61issue
3-4eissn
0304-8608issn
1432-8798journal_volume
124pub_type
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