Evidence map›Paper›PMID 8751895›Full record

ArticleInfection and immunity1996

Cytokines and antibody subclass associated with protective immunity against blood-stage malaria in mice vaccinated with the C terminus of merozoite surface protein 1 plus a novel adjuvant.

J B De Souza, I T Ling, S A Ogun, A A Holder, J H Playfair

Open access · bronzeAbstract read
In one paragraph

Article in Infection and immunity, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
4.1field-weighted citation impact, top 6% 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

12 citing papers in PubMed, 27 citations in OpenAlex.

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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

5 authors at 1 institution in 1 country.

J B De SouzaDepartment of Immunology, University College London Medical School, United Kingdom.
I T Ling
S A Ogun
A A Holder
J H Playfair
University College London · GB

Funding

Medical Research Council MC_U117532067
6 · The paper itself

Abstract

A blood-stage malaria antigen comprising the C terminus of merozoite surface protein 1 fused to glutathione S-transferase, combined with an adjuvant formulation containing squalane, Tween 80, and pluronic L121 (AF), administered subcutaneously protected mice against death from a lethal Plasmodium yoelii infection. The protection induced by this antigen-adjuvant combination was compared with that induced by the antigen plus saponin in terms of survival from the lethal infection and clearance of parasitemia. The levels of gamma interferon and interleukin-4 in spleens were measured as indicators of Th1 and Th2 cell activation, and antibody classes and subclasses were determined by immunofluorescence. With a 10-micrograms dose of antigen and AF as adjuvant, all mice recovered, but with saponin as the adjuvant, there were only a few survivors. With 30 micrograms of antigen plus AF, the peak parasitemias were 10-fold lower than those with 10 micrograms; with saponin, survival was slightly improved. The levels of both gamma interferon and interleukin-4 rose more rapidly and to higher levels with AF as the adjuvant than with saponin, and the same was true for immunoglobulin G1 (IgG1), IgG2a, and IgG2b subclasses. Thus, in terms of both cytokine production and antibody levels, AF is a more potent adjuvant for a malaria vaccine than is saponin.

Indexed as

Adjuvants, ImmunologicAmino Acid SequenceAnimalsAntibodies, ProtozoanAntigens, ProtozoanAntigens, SurfaceDose-Response Relationship, ImmunologicHeterozygoteMalariaMalaria VaccinesMerozoite Surface Protein 1MiceMice, Inbred BALB CMice, Inbred C57BLMolecular Sequence DataPeptidesAdjuvants, ImmunologicAntibodies, ProtozoanAntigens, ProtozoanAntigens, SurfaceMalaria VaccinesMerozoite Surface Protein 1PeptidesProtein PrecursorsProtozoan Proteins

Identifiers

PMID8751895
PMCPMC174259
OpenAlexW2146518173

What OpenQuestion holds

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Registered trials

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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.