Evidence map›Paper›PMID 12065487›Full record

ArticleInfection and immunity2002

Plasmodium vivax promiscuous T-helper epitopes defined and evaluated as linear peptide chimera immunogens.

Ivette Caro-Aguilar, Alexandra Rodríguez, J Mauricio Calvo-Calle, Fanny Guzmán, Patricia De la Vega, Manuel Elkin Patarroyo, Mary R Galinski, Alberto Moreno

Open access · greenAbstract read
In one paragraph

Article in Infection and immunity, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing 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

23 citing papers in PubMed, 39 citations in OpenAlex.

  1. Article
  2. Article
  3. A multivalentBioengineering & translational medicine · 2023
    Article
  4. Article
  5. Article
  6. Review
  7. A Multi-StageFrontiers in cellular and infection microbiology · 2019
    Article
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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

8 authors at 4 institutions in 2 countries.

Ivette Caro-AguilarFundación Instituto de Inmunología de Colombia (FIDIC), Santafé de Bogotá, Colombia.
Alexandra Rodríguez
J Mauricio Calvo-Calle
Fanny Guzmán
Patricia De la Vega
Manuel Elkin Patarroyo
Mary R Galinski
Alberto Moreno
Fundación Instituto de Inmunología de Colombia · COEmory University · USNaval Medical Research Command · USNew York University · US

Funding

YNPRC NHP CLINICAL MEDICINE RESIDENCY PROGRAM - SUPPLEMENTP51RR000165 · NCRR · EMORY UNIVERSITY · PI JOHNS, MICHAEL M · 1985 to 2011
$114.0M
MOLECULAR ANALYSIS OF PLASMODIUM VIVAX SURFACE ANTIGENSR01AI024710 · NIAID · NEW YORK UNIVERSITY SCHOOL OF MEDICINE · PI GALINSKI, MARY R · 1987 to 2012
$5.2M
NCRR NIH HHS 5 P51 RR00165-40NCRR NIH HHS P51 RR000165NIAID NIH HHS R01 AI024710NIAID NIH HHS R01 AI24710-15
6 · The paper itself

Abstract

Clinical trials of malaria vaccines have confirmed that parasite-derived T-cell epitopes are required to elicit consistent and long-lasting immune responses. We report here the identification and functional characterization of six T-cell epitopes that are present in the merozoite surface protein-1 of Plasmodium vivax (PvMSP-1) and bind promiscuously to four different HLA-DRB1* alleles. Each of these peptides induced lymphoproliferative responses in cells from individuals with previous P. vivax infections. Furthermore, linear-peptide chimeras containing the promiscuous PvMSP-1 T-cell epitopes, synthesized in tandem with the Plasmodium falciparum immunodominant circumsporozoite protein (CSP) B-cell epitope, induced high specific antibody titers, cytokine production, long-lasting immune responses, and immunoglobulin G isotype class switching in BALB/c mice. A linear-peptide chimera containing an allele-restricted P. falciparum T-cell epitope with the CSP B-cell epitope was not effective. Two out of the six promiscuous T-cell epitopes exhibiting the highest anti-peptide response also contain B-cell epitopes. Antisera generated against these B-cell epitopes recognize P. vivax merozoites in immunofluorescence assays. Importantly, the anti-peptide antibodies generated to the CSP B-cell epitope inhibited the invasion of P. falciparum sporozoites into human hepatocytes. These data and the simplicity of design of the chimeric constructs highlight the potential of multimeric, multistage, and multispecies linear-peptide chimeras containing parasite promiscuous T-cell epitopes for malaria vaccine development.

Indexed as

Amino Acid SequenceAnimalsAntibodies, ProtozoanEpitope MappingEpitopes, B-LymphocyteEpitopes, T-LymphocyteFemaleHLA-DR AntigensHLA-DRB1 ChainsHumansMerozoite Surface Protein 1MiceMice, Inbred BALB CMolecular Sequence DataPeptidesPlasmodium falciparumAntibodies, Protozoancircumsporozoite protein, ProtozoanEpitopes, B-LymphocyteEpitopes, T-LymphocyteHLA-DR AntigensHLA-DRB1 ChainsMerozoite Surface Protein 1PeptidesProtozoan ProteinsRecombinant Fusion Proteins

Identifiers

PMID12065487
PMCPMC128085
OpenAlexW2130562845

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.