Evidence map›Paper›PMID 25898123›Full record

ArticleEmerging infectious diseases2015

Protective Antibodies against Placental Malaria and Poor Outcomes during Pregnancy, Benin.

Nicaise Tuikue Ndam, Lise Denoeud-Ndam, Justin Doritchamou, Firmine Viwami, Ali Salanti, Morten A Nielsen, Nadine Fievet, Achille Massougbodji, Adrian J F Luty, Philippe Deloron

Open access · diamondAbstract read
In one paragraph

Article in Emerging infectious diseases, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 65 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
65citing papers in PubMed, 1 pooled it
9.3field-weighted citation impact, top 2% 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

65 citing papers in PubMed, 1 synthesis or guideline pooled it, 94 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Trial
  4. First-in-human, Randomized, Double-blind Clinical Trial of Differentially Adjuvanted PAMVAC, A Vaccine Candidate to Prevent Pregnancy-associated Malaria.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2019
    Trial
  5. Trial
  6. Article
  7. Article
  8. Review
  9. Article
  10. Exploring theFrontiers in immunology · 2025
    Article
  11. Malaria vaccines: a new era of prevention and control.Nature reviews. Microbiology · 2024
    Review
  12. Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Acquisition of antibodies that blockFrontiers in immunology · 2023
    Article
  18. Article
  19. Article
  20. Article

5 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

10 authors at 3 institutions in 4 countries.

Nicaise Tuikue Ndam
Lise Denoeud-Ndam
Justin Doritchamou
Firmine Viwami
Ali Salanti
Morten A Nielsen
Nadine Fievet
Achille Massougbodji
Adrian J F Luty
Philippe Deloron
Institut de Recherche pour le Développement · BJUniversité Paris Cité · FRUniversity of Copenhagen · DK

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Placental malaria is caused by Plasmodium falciparum-infected erythrocytes that bind to placental tissue. Binding is mediated by VAR2CSA, a parasite antigen coded by the var gene, which interacts with chondroitin sulfate A (CSA). Consequences include maternal anemia and fetal growth retardation. Antibody-mediated immunity to placental malaria is acquired during successive pregnancies, but the target of VAR2CSA-specific protective antibodies is unclear. We assessed VAR2CSA-specific antibodies in pregnant women and analyzed their relationships with protection against placental infection, preterm birth, and low birthweight. Antibody responses to the N-terminal region of VAR2CSA during early pregnancy were associated with reduced risks for infections and low birthweight. Among women infected during pregnancy, an increase in CSA binding inhibition was associated with reduced risks for placental infection, preterm birth, and low birthweight. These data suggest that antibodies against VAR2CSA N-terminal region mediate immunity to placental malaria and associated outcomes. Our results validate current vaccine development efforts with VAR2CSA N-terminal constructs.

Indexed as

AdultAntibodies, ProtozoanAntibody SpecificityAntigens, ProtozoanBeninErythrocytesFemaleFollow-Up StudiesHumansImmunoglobulin GInfantInfant, NewbornMalariaMalaria, FalciparumPatient Outcome AssessmentPlacentaAntibodies, ProtozoanAntigens, ProtozoanImmunoglobulin GantibodiesBeninerythrocytesmalariaoutcomesparasitesplacental malariaPlasmodium falciparumpregnancyVAR2CSA

Identifiers

PMID25898123
PMCPMC4412227
OpenAlexW2062699965

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.