Evidence map›Paper›PMID 14688103›Full record

ArticleInfection and immunity2004

Induction of Plasmodium falciparum transmission-blocking antibodies in nonhuman primates by a combination of DNA and protein immunizations.

Cevayir Coban, Mario T Philipp, Jeanette E Purcell, David B Keister, Mobolaji Okulate, Dale S Martin, Nirbhay Kumar

Open access · greenAbstract read
In one paragraph

Article in Infection and immunity, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed
7.8field-weighted citation impact, top 3% 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

29 citing papers in PubMed, 61 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

7 authors at 3 institutions in 1 country.

Cevayir CobanDepartment of Molecular Microbiology and Immunology, Johns Hopkins Malaria Research Institute, The Johns Hopkins University Bloomberg School of Public Health, Baltimore 21205, USA.
Mario T Philipp
Jeanette E Purcell
David B Keister
Mobolaji Okulate
Dale S Martin
Nirbhay Kumar
Johns Hopkins University · USNational Institutes of Health · USTulane University · US

Funding

ZCM:A NOVEL BROAD-SPECTRUM MICROBICIDE FOR SEXUALLY TRANSMITTED INFECTIONSP51RR000164 · NCRR · TULANE UNIVERSITY OF LOUISIANA · PI MARX, PRESTON A · 1985 to 2011
$100.1M
A DNA VACCINE TO PREVENT TRANSMISSION OF HUMAN MALARIAR01AI047089 · NIAID · TULANE UNIVERSITY OF LOUISIANA · PI KUMAR, NIRBHAY · 2000 to 2011
$3.6M
ZIDOVUDINE WITH PROBENECID--EFFECTS OF PROBENECID ON ZIDOVUDINEM01RR000722 · NCRR · JOHNS HOPKINS UNIVERSITY · 1985 to 1996
–
NCRR NIH HHS M01 RR000722NCRR NIH HHS P51 RR000164NCRR NIH HHS RR00164NIAID NIH HHS AI47089NIAID NIH HHS R01 AI047089
6 · The paper itself

Abstract

Malaria transmission-blocking vaccination can effectively reduce and/or eliminate transmission of parasites from the human host to the mosquito vector. The immunity achieved by inducing an antibody response to surface antigens of male and female gametes and parasite stages in the mosquito. Our laboratory has developed DNA vaccine constructs, based on Pfs25 (a Plasmodium falciparum surface protein of 25 kDa), that induce a transmission-blocking immune response in mice (C. A. Lobo, R. Dhar, and N. Kumar, Infect. Immun. 67:1688-1693, 1999). To evaluate the safety, immunogenicity, and efficacy of the Pfs25 DNA vaccine in nonhuman primates, we immunized rhesus macaques (Macaca mulatta) with a DNA vaccine plasmid encoding Pfs25 or a Pfg27-Pfs25 hybrid or with the plasmid (empty plasmid) alone. Immunization with four doses of these DNA vaccine constructs elicited antibody titers that were high but nonetheless unable to reduce the parasite's infectivity in membrane feeding assays. Further boosting of the antibody response with recombinant Pfs25 formulated in Montanide ISA-720 increased antibody titers (30-fold) and significantly blocked transmission of P. falciparum gametocytes to Anopheles mosquitoes (approximately 90% reduction in oocyst numbers in the midgut). Our data show that a DNA prime-protein boost regimen holds promise for achieving transmission-blocking immunity in areas where malaria is endemic and could be effective in eradicating malaria in isolated areas where the level of malaria endemicity is low.

Indexed as

AnimalsAnophelesAntibodies, ProtozoanImmunizationImmunization, SecondaryMacaca mulattaMalaria, FalciparumMalaria VaccinesPlasmidsPlasmodium falciparumProtozoan ProteinsRecombinant Fusion ProteinsVaccinationVaccines, DNAAntibodies, ProtozoanMalaria VaccinesPfg25-27 protein, Plasmodium falciparumPfs25 protein, Plasmodium falciparumProtozoan ProteinsRecombinant Fusion ProteinsVaccines, DNA

Identifiers

PMID14688103
PMCPMC344004
OpenAlexW2131082270

What OpenQuestion holds

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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.