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Cited by 357

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Reactivity of human sera in a sensitive, high-throughput pseudovirus-based papillomavirus neutralization assay for HPV16 and HPV18

Open access
Pastrana, Diana V, Buck, Christopher B, Pang, Yuk-Ying S, Thompson, Cynthia D, Castle, Philip E, FitzGerald, Peter C, Krüger Kjaer, Susanne, Lowy, Douglas R, Schiller, John T·2004·Virology

Abstract

Sensitive high-throughput neutralization assays, based upon pseudoviruses carrying a secreted alkaline phosphatase (SEAP) reporter gene, were developed and validated for human papillomavirus (HPV)16, HPV18, and bovine papillomavirus 1 (BPV1). SEAP pseudoviruses were produced by transient transfection of codon-modified papillomavirus structural genes into an SV40 T antigen expressing line derived from 293 cells, yielding sufficient pseudovirus from one flask for thousands of titrations. In a 96-well plate format, in this initial characterization, the assay was reproducible and appears to be as sensitive as, but more specific than, a standard papillomavirus-like particle (VLP)-based enzyme-linked immunosorbent assay (ELISA). The neutralization assay detected type-specific HPV16 or HPV18 neutralizing antibodies (titers of 160-10240) in sera of the majority of a group of women infected with the corresponding HPV type, but not in virgin women. Sera from HPV16 VLP vaccinees had high anti-HPV16 neutralizing titers (mean: 45000; range: 5120-163840), but no anti-HPV18 neutralizing activity. The SEAP pseudovirus-based neutralization assay should be a practical method for quantifying potentially protective antibody responses in HPV natural history and prophylactic vaccine studies.

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Metadata

Authors
Pastrana, D. V., Buck, C. B., Pang, Y.-Y. S., Thompson, C. D., Castle, P. E., FitzGerald, P. C., Krüger Kjaer, S., Lowy, D. R., & Schiller, J. T.
Venue
Virology
Publisher
Elsevier BV
Published
2004-04
Volume
321
Issue
2
Pages
205-216
ISSN
0042-6822 (ISSN-L)
OpenAlex
W2001429203
Cited by
357
References
1
FWCI
11.71
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Reactivity of human sera in a sensitive, high-throughput pseudovirus-based papillomavirus neutralization assay for HPV16 and HPV18. https://app.cochat.ai/papers/10.1016/j.virol.2003.12.027
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Pastrana, D. V., Buck, C. B., Pang, Y.-Y. S., Thompson, C. D., Castle, P. E., FitzGerald, P. C., Krüger Kjaer, S., Lowy, D. R., & Schiller, J. T. (2004). Reactivity of human sera in a sensitive, high-throughput pseudovirus-based papillomavirus neutralization assay for HPV16 and HPV18. Virology. https://doi.org/10.1016/j.virol.2003.12.027

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