Evidence map›Paper›PMID 22808149›Full record

ArticlePloS one2012

A novel chimpanzee adenovirus vector with low human seroprevalence: improved systems for vector derivation and comparative immunogenicity.

Matthew D J Dicks, Alexandra J Spencer, Nick J Edwards, Göran Wadell, Kalifa Bojang, Sarah C Gilbert, Adrian V S Hill, Matthew G Cottingham

Abstract readComparative Study
In one paragraph

Article in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 246 papers.

0numbers the graph read from it
0cells of the map it votes in
246citing papers in PubMed
–field-weighted citation impact
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

246 citing papers in PubMed.

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  10. The immunogenicity and safety of adenoviral-based vaccines.Current opinion in allergy and clinical immunology · 2026
    Review
  11. Article
  12. Article
  13. Article
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  19. Developing the next-generation of adenoviral vector vaccines.Human vaccines & immunotherapeutics · 2025
    Review
  20. The seroprevalence of adenoviruses since 2000Emerging microbes & infections · 2025
    Review

186 more citing papers are in PubMed but not listed here.

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.

Matthew D J DicksThe Jenner Institute, University of Oxford, Oxford, United Kingdom.
Alexandra J Spencer
Nick J Edwards
Göran Wadell
Kalifa Bojang
Sarah C Gilbert
Adrian V S Hill
Matthew G Cottingham

Funding

Medical Research Council MC_UP_A900_1118Wellcome Trust 090532Wellcome Trust 095540
6 · The paper itself

Abstract

Recombinant adenoviruses are among the most promising tools for vaccine antigen delivery. Recently, the development of new vectors has focused on serotypes to which the human population is less exposed in order to circumvent pre-existing anti vector immunity. This study describes the derivation of a new vaccine vector based on a chimpanzee adenovirus, Y25, together with a comparative assessment of its potential to elicit transgene product specific immune responses in mice. The vector was constructed in a bacterial artificial chromosome to facilitate genetic manipulation of genomic clones. In order to conduct a fair head-to-head immunological comparison of multiple adenoviral vectors, we optimised a method for accurate determination of infectious titre, since this parameter exhibits profound natural variability and can confound immunogenicity studies when doses are based on viral particle estimation. Cellular immunogenicity of recombinant E1 E3-deleted vector ChAdY25 was comparable to that of other species E derived chimpanzee adenovirus vectors including ChAd63, the first simian adenovirus vector to enter clinical trials in humans. Furthermore, the prevalence of virus neutralizing antibodies (titre >1:200) against ChAdY25 in serum samples collected from two human populations in the UK and Gambia was particularly low compared to published data for other chimpanzee adenoviruses. These findings support the continued development of new chimpanzee adenovirus vectors, including ChAdY25, for clinical use.

Indexed as

Adenoviruses, HumanAdenoviruses, SimianAdenovirus VaccinesAnimalsAntibodies, NeutralizingBase SequenceFemaleGambiaGenes, ViralGenetic VectorsHumansMiceMice, Inbred BALB CPan troglodytesPhylogenySeroepidemiologic StudiesAdenovirus VaccinesAntibodies, Neutralizing

Identifiers

PMID22808149
PMCPMC3396660

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.