Evidence map›Paper›PMID 25203446›Full record

ArticleVaccine2014

Pre-clinical immunogenicity of human papillomavirus alpha-7 and alpha-9 major capsid proteins.

Sara L Bissett, Giada Mattiuzzo, Eve Draper, Anna Godi, Dianna E Wilkinson, Philip Minor, Mark Page, Simon Beddows

Open access · hybridAbstract read
In one paragraph

Article in Vaccine, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
1.1field-weighted citation impact, top 23% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

9 citing papers in PubMed, 17 citations in OpenAlex.

  1. Trial
  2. Article
  3. Pseudotyped Virus for Papillomavirus.Advances in experimental medicine and biology · 2023
    Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 2 institutions in 1 country.

Sara L BissettVirus Reference Department, Public Health England, London, UK.
Giada MattiuzzoDivision of Virology, National Institute for Biological Standards and Control, Potters Bar, UK.
Eve DraperVirus Reference Department, Public Health England, London, UK.
Anna GodiVirus Reference Department, Public Health England, London, UK.
Dianna E WilkinsonDivision of Virology, National Institute for Biological Standards and Control, Potters Bar, UK.
Philip MinorDivision of Virology, National Institute for Biological Standards and Control, Potters Bar, UK.
Mark PageDivision of Virology, National Institute for Biological Standards and Control, Potters Bar, UK.
Simon BeddowsVirus Reference Department, Public Health England, London, UK. Electronic address: simon.beddows@phe.gov.uk.
National Institute for Biological Standards and Control · GBPublic Health England · GB

Funding

Medical Research Council G0701217
6 · The paper itself

Abstract

Human papillomavirus (HPV) vaccines confer protection against the oncogenic genotypes HPV16 and HPV18 through the generation of type-specific neutralizing antibodies raised against the constituent virus-like particles (VLP) based upon the major capsid proteins (L1) of these genotypes. The vaccines also confer a degree of cross-protection against some genetically related types from the Alpha-9 (HPV16-like: HPV31, HPV33, HPV35, HPV52, HPV58) and Alpha-7 (HPV18-like: HPV39, HPV45, HPV59, HPV68) species groups. The mechanism of cross-protection is unclear but may involve antibodies capable of recognizing shared inter-genotype epitopes. The relationship(s) between the genetic and antigenic diversity of the L1 protein, particularly for non-vaccine genotypes, is poorly understood. We carried out a comprehensive evaluation of the immunogenicity of L1 VLP derived from genotypes within the Alpha-7 and Alpha-9 species groups in New Zealand White rabbits and used L1L2 pseudoviruses as the target antigens in neutralization assays. The majority antibody response against L1 VLP was type-specific, as expected, but several instances of robust cross-neutralization were nevertheless observed including between HPV33 and HPV58 within the Alpha-9 species and between HPV39, HPV59 and HPV68 in the Alpha-7 species. Immunization with an experimental tetravalent preparation comprising VLP based upon HPV16, HPV18, HPV39 and HPV58 was capable of generating neutralizing antibodies against all the Alpha-7 and Alpha-9 genotypes. Competition of HPV31 and HPV33 cross-neutralizing antibodies in the tetravalent sera confirmed that these antibodies originated from HPV16 and HPV58 VLP, respectively, and suggested that they represent minority specificities within the antibody repertoire generated by the immunizing antigen. These data improve our understanding of the antigenic diversity of the L1 protein per se and may inform the rational design of a next generation vaccine formulation based upon empirical data.

Indexed as

Cross ProtectionAlphapapillomavirusAnimalsAntibodies, NeutralizingAntibodies, ViralCapsid ProteinsFemaleGenotypeHEK293 CellsHumansMice, Inbred BALB CNeutralization TestsOncogene Proteins, ViralPapillomavirus VaccinesRabbitsAntibodies, NeutralizingAntibodies, ViralCapsid ProteinsOncogene Proteins, ViralPapillomavirus VaccinesAntibodyAntigenicityDiversityHuman papillomavirusL1Major capsid protein

Identifiers

PMID25203446
PMCPMC4228199
OpenAlexW2030039892

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.