Evidence map›Paper›PMID 12761133›Full record

ArticleInfection and immunity2003

Genetic diversity and antigenic polymorphism in Plasmodium falciparum: extensive serological cross-reactivity between allelic variants of merozoite surface protein 2.

Simon Franks, Luke Baton, Kevin Tetteh, Eric Tongren, David Dewin, Bartholomew D Akanmori, Kojo A Koram, Lisa Ranford-Cartwright, Eleanor M Riley

Abstract read
In one paragraph

Article in Infection and immunity, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing 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

25 citing papers in PubMed.

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  11. Evolutionary dynamics of the immunodominant repeats of the Plasmodium vivax malaria-vaccine candidate circumsporozoite protein (CSP).Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases · 2010
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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

9 authors.

Simon FranksInstitute of Cell, Animal and Population Biology, University of Edinburgh, United Kingdom.
Luke Baton
Kevin Tetteh
Eric Tongren
David Dewin
Bartholomew D Akanmori
Kojo A Koram
Lisa Ranford-Cartwright
Eleanor M Riley

Funding

Wellcome Trust
6 · The paper itself

Abstract

Diversity in the surface antigens of malaria parasites is generally assumed to be a mechanism for immune evasion, but there is little direct evidence that this leads to evasion of protective immunity. Here we show that alleles of the highly polymorphic merozoite surface protein 2 (MSP-2) can be grouped (within the known dimorphic families) into distinct serogroups; variants within a serogroup show extensive serological cross-reactivity. Cross-reactive epitopes are immunodominant, and responses to them may be boosted at the expense of responses to novel epitopes (original antigenic sin). The data imply that immune selection explains only some of the diversity in the msp-2 gene and that MSP-2 vaccines may need to include only a subset of the known variants in order to induce pan-reactive antibodies.

Indexed as

AllelesAmino Acid SequenceAnimalsAntigens, ProtozoanCloning, MolecularCross ReactionsGenetic VariationMolecular Sequence DataPlasmodium falciparumPolymorphism, GeneticProtozoan ProteinsAntigens, Protozoanmerozoite surface protein 2, PlasmodiumProtozoan Proteins

Identifiers

PMID12761133
PMCPMC155717

What OpenQuestion holds

Textmetadata
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.