Evidence map›Paper›PMID 30365004›Full record

ArticleThe Journal of infectious diseases2019

Antibody Targets on the Surface of Plasmodium falciparum-Infected Erythrocytes That Are Associated With Immunity to Severe Malaria in Young Children.

Jo-Anne Chan, Michelle J Boyle, Kerryn A Moore, Linda Reiling, Zaw Lin, Wina Hasang, Marion Avril, Laurens Manning, Ivo Mueller, Moses Laman and 6 more

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of infectious diseases, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
3.0field-weighted citation impact, top 9% 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

28 citing papers in PubMed, 44 citations in OpenAlex.

  1. Article
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  3. Review
  4. Article
  5. Antibodies to specific domains ofHealth science reports · 2024
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  18. Breadth of Antibodies toFrontiers in immunology · 2022
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  20. Review
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

16 authors at 7 institutions in 3 countries.

Jo-Anne ChanBurnet Institute for Medical Research and Public Health, Melbourne.
Michelle J BoyleBurnet Institute for Medical Research and Public Health, Melbourne.
Kerryn A MooreBurnet Institute for Medical Research and Public Health, Melbourne.
Linda ReilingBurnet Institute for Medical Research and Public Health, Melbourne.
Zaw LinBurnet Institute for Medical Research and Public Health, Melbourne.
Wina HasangDepartment of Medicine, Melbourne School of Population and Global Health, University of Melbourne, Parkville, Australia.
Marion AvrilCenter for Infectious Diseases Research, Seattle, Washington.
Laurens ManningPapua New Guinea Institute of Medical Research, Madang.
Ivo MuellerWalter and Eliza Hall Institute of Medical Research, Parkville.
Moses LamanPapua New Guinea Institute of Medical Research, Madang.
Timothy DavisUniversity of Western Australia, Perth.
Joseph D SmithCenter for Infectious Diseases Research, Seattle, Washington.
Stephen J RogersonDepartment of Medicine, Melbourne School of Population and Global Health, University of Melbourne, Parkville, Australia.
Julie A SimpsonCentre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, University of Melbourne, Parkville.
Freya J I FowkesBurnet Institute for Medical Research and Public Health, Melbourne.
James G BeesonBurnet Institute for Medical Research and Public Health, Melbourne.
Burnet Institute · AUThe University of Melbourne · AUInfectious Disease Research Institute · USThe University of Western Australia · AUPapua New Guinea Institute of Medical Research · PGRoyal Children's Hospital · AUWalter and Eliza Hall Institute of Medical Research · AU

Funding

Molecular Analysis of the PfEMP1 Binding ActivityR01AI047953 · NIAID · SEATTLE BIOMEDICAL RESEARCH INSTITUTE · PI SMITH, JOSEPH D · 2001 to 2016
$6.1M
Adhesive Interactions in Severe MalariaR01AI114766 · NIAID · SEATTLE CHILDREN'S HOSPITAL · PI SMITH, JOSEPH D · 2015 to 2019
$2.9M
NIAID NIH HHS R01 AI047953NIAID NIH HHS R01 AI114766
6 · The paper itself

Abstract

backgroundSequestration of Plasmodium falciparum-infected erythrocytes (IEs) in the microvasculature contributes to pathogenesis of severe malaria in children. This mechanism is mediated by antigens expressed on the IE surface. However, knowledge of specific targets and functions of antibodies to IE surface antigens that protect against severe malaria is limited.

methodsAntibodies to IE surface antigens were examined in a case-control study of young children in Papua New Guinea presenting with severe or uncomplicated malaria (n = 448), using isolates with a virulent phenotype associated with severe malaria, and functional opsonic phagocytosis assays. We used genetically modified isolates and recombinant P. falciparum erythrocyte membrane protein 1 (PfEMP1) domains to quantify PfEMP1 as a target of antibodies associated with disease severity.

resultsAntibodies to the IE surface and recombinant PfEMP1 domains were significantly higher in uncomplicated vs severe malaria and were boosted following infection. The use of genetically modified P. falciparum revealed that PfEMP1 was a major target of antibodies and that PfEMP1-specific antibodies were associated with reduced odds of severe malaria. Furthermore, antibodies promoting the opsonic phagocytosis of IEs by monocytes were lower in those with severe malaria.

conclusionsFindings suggest that PfEMP1 is a dominant target of antibodies associated with reduced risk of severe malaria, and function in part by promoting opsonic phagocytosis.

Indexed as

Antibodies, ProtozoanCase-Control StudiesChildChild, PreschoolErythrocytesFemaleHumansInfantMalaria, FalciparumMaleOpsonin ProteinsPapua New GuineaPhagocytosisPlasmodium falciparumProtozoan ProteinsAntibodies, Protozoanerythrocyte membrane protein 1, Plasmodium falciparumOpsonin ProteinsProtozoan ProteinsantibodiesimmunityPfEMP1Plasmodium falciparumsevere malaria

Identifiers

PMID30365004
PMCPMC6376912
OpenAlexW2898182990

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.