Evidence map›Paper›PMID 29209029›Full record

ArticleScientific reports2017

An in vitro assay to measure antibody-mediated inhibition of P. berghei sporozoite invasion against P. falciparum antigens.

Ana Rodríguez-Galán, Ahmed M Salman, Georgina Bowyer, Katharine A Collins, Rhea J Longley, Florian Brod, Marta Ulaszewska, Katie J Ewer, Chris J Janse, Shahid M Khan and 3 more

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
1.7field-weighted citation impact, top 14% 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

14 citing papers in PubMed, 19 citations in OpenAlex.

  1. Article
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  11. Frontiers in immunology · 2020
    Article
  12. Review
  13. CXCR3Frontiers in immunology · 2018
    Article
  14. 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

13 authors at 4 institutions in 3 countries.

Ana Rodríguez-GalánThe Jenner Institute, University of Oxford, Oxford, United Kingdom.
Ahmed M SalmanThe Jenner Institute, University of Oxford, Oxford, United Kingdom.ORCID 0000-0002-9259-7339
Georgina BowyerThe Jenner Institute, University of Oxford, Oxford, United Kingdom.
Katharine A CollinsThe Jenner Institute, University of Oxford, Oxford, United Kingdom.
Rhea J LongleyThe Jenner Institute, University of Oxford, Oxford, United Kingdom.ORCID 0000-0002-4510-5602
Florian BrodThe Jenner Institute, University of Oxford, Oxford, United Kingdom.ORCID 0000-0003-4779-3733
Marta UlaszewskaThe Jenner Institute, University of Oxford, Oxford, United Kingdom.
Katie J EwerThe Jenner Institute, University of Oxford, Oxford, United Kingdom.ORCID 0000-0001-9827-9836
Chris J JanseDepartment of Parasitology, Leiden University Medical Center, Leiden, The Netherlands.
Shahid M KhanDepartment of Parasitology, Leiden University Medical Center, Leiden, The Netherlands.
Julius C HafallaDepartment of Immunology and Infection, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom.
Adrian V S HillThe Jenner Institute, University of Oxford, Oxford, United Kingdom.ORCID 0000-0003-0900-9629
Alexandra J SpencerThe Jenner Institute, University of Oxford, Oxford, United Kingdom. alex.spencer@ndm.ox.ac.uk.ORCID 0000-0001-7958-6961
University of Oxford · GBLeiden University Medical Center · NLLondon School of Hygiene & Tropical Medicine · GBWalter and Eliza Hall Institute of Medical Research · AU

Funding

National Centre for the Replacement, Refinement and Reduction of Animals in Research NC/L000601/1Wellcome Trust 095540/Z/11/ZWellcome Trust 104750/Z/14/Z
6 · The paper itself

Abstract

A large research effort is currently underway to find an effective and affordable malaria vaccine. Tools that enable the rapid evaluation of protective immune responses are essential to vaccine development as they can provide selection criteria to rank order vaccine candidates. In this study we have revisited the Inhibition of Sporozoite Invasion (ISI) assay to assess the ability of antibodies to inhibit sporozoite infection of hepatocytes. By using GFP expressing sporozoites of the rodent parasite P. berghei we are able to robustly quantify parasite infection of hepatocyte cell lines by flow cytometry. In conjunction with recently produced transgenic P. berghei parasites that express P. falciparum sporozoite antigens, we have been able to use this assay to measure antibody mediated inhibition of sporozoite invasion against one of the lead malaria antigens P. falciparum CSP. By combining chimeric rodent parasites expressing P. falciparum antigens and a flow cytometric readout of infection, we are able to robustly assess vaccine-induced antibodies, from mice, rhesus macaques and human clinical trials, for their functional ability to block sporozoite invasion of hepatocytes.

Indexed as

AnimalsAntibodies, BlockingAntibodies, ProtozoanCells, CulturedFemaleHepatocytesHumansIn Vitro TechniquesMacaca mulattaMalaria, FalciparumMalaria VaccinesMiceMice, Inbred BALB CMice, Inbred C57BLMice, Inbred ICRPlasmodium falciparumAntibodies, BlockingAntibodies, ProtozoanMalaria VaccinesProtozoan Proteins

Identifiers

PMID29209029
PMCPMC5717233
OpenAlexW2770626798

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.