Abstract:
:Neutralization of virus is likely to be necessary for development of an effective prophylactic vaccine against genital human papillomavirus (HPV) infection. Two New Zealand white rabbits were immunized with purified HPV type 11 (HPV 11) virions in Freund's adjuvant. An enzyme linked immunoassay (ELISA) was used to determine the quantity of IgG which recognized the HPV 11 major capsid protein (L1 protein) virus-like particles (VLPs) in the two anti-HPV 11 sera (serum A and serum B). The concentration of HPV 11 L1 VLP-specific IgG in the A and B sera were determined to be 37 and 90 micrograms per ml, respectively. The A and B sera were used in neutralization experiments in the athymic mouse xenograft system with known quantities of purified HPV 11 virions. The concentration of HPV 11 L1 VLP-specific IgG required to neutralize HPV 11 was determined for each antiserum. This concentration of IgG was approximately 700 to 900 ng per ml. This study demonstrates a positive correlation between the level of HPV 11 L1 VLP-specific IgG in animals immunized with HPV 11 virions and neutralization of HPV 11 in the athymic mouse model. Further studies are needed 1) to determine if sera or genital secretions from other species are neutralizing in the athymic mouse xenograft system, and 2) to determine if the VLP ELISA can be used as a reliable substitute for more cumbersome neutralization assays.
journal_name
J Med Viroljournal_title
Journal of medical virologyauthors
Bryan JT,Jansen KU,Lowe RS,Fife KH,McClowry T,Glass D,Brown DRdoi
10.1002/(sici)1096-9071(199711)53:3<185::aid-jmv1>subject
Has Abstractpub_date
1997-11-01 00:00:00pages
185-8issue
3eissn
0146-6615issn
1096-9071pii
10.1002/(SICI)1096-9071(199711)53:3<185::AID-JMV1>journal_volume
53pub_type
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