Evidence map›Paper›PMID 26656115›Full record

ArticleClinical and vaccine immunology : CVI2016

Acquisition and Longevity of Antibodies to Plasmodium vivax Preerythrocytic Antigens in Western Thailand.

Rhea J Longley, Arturo Reyes-Sandoval, Eduardo Montoya-Díaz, Susanna Dunachie, Chalermpon Kumpitak, Wang Nguitragool, Ivo Mueller, Jetsumon Sattabongkot

Open access · diamondAbstract read
In one paragraph

Article in Clinical and vaccine immunology : CVI, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed
6.9field-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

33 citing papers in PubMed, 47 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

8 authors at 6 institutions in 4 countries.

Rhea J LongleyMahidol Vivax Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia Department of Medical Biology, University of Melbourne, Melbourne, Australia.
Arturo Reyes-SandovalThe Jenner Institute, Nuffield Department of Medicine, The Henry Wellcome Building for Molecular Physiology, University of Oxford, Oxford, United Kingdom.
Eduardo Montoya-DíazThe Jenner Institute, Nuffield Department of Medicine, The Henry Wellcome Building for Molecular Physiology, University of Oxford, Oxford, United Kingdom.
Susanna DunachieMahidol-Oxford Tropical Medicine Research Unit, Mahidol University, Bangkok, Thailand Centre for Tropical Medicine, University of Oxford, Oxford, United Kingdom.
Chalermpon KumpitakMahidol Vivax Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand.
Wang NguitragoolDepartment of Molecular Tropical Medicine and Genetics, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand.
Ivo MuellerWalter and Eliza Hall Institute of Medical Research, Melbourne, Australia Department of Medical Biology, University of Melbourne, Melbourne, Australia ISGlobal, Barcelona Institute for Global Health, Hospital Clínic, Universitat de Barcelona, Barcelona, Spain.
Jetsumon SattabongkotMahidol Vivax Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand jetsumon.pra@mahidol.ac.th.
Mahidol University · THUniversity of Oxford · GBJenner Institute · GBMahidol Oxford Tropical Medicine Research Unit · THUniversity of Melbourne · AUWalter and Eliza Hall Institute of Medical Research · AU

Funding

Discovery & validation of novel P. vivax antigens for identification and monitoriR01AI104822 · NIAID · MAHIDOL UNIVERSITY · PI PRACHUMSRI, JETSUMON · 2013 to 2017
$672k
NIAID NIH HHS 5R01 AI 104822NIAID NIH HHS R01 AI104822Wellcome TrustWellcome Trust 097395
6 · The paper itself

Abstract

Plasmodium vivax is now the dominant Plasmodium species causing malaria in Thailand, yet little is known about naturally acquired immune responses to this parasite in this low-transmission region. The preerythrocytic stage of the P. vivax life cycle is considered an excellent target for a malaria vaccine, and in this study, we assessed the stability of the seropositivity and the magnitude of IgG responses to three different preerythrocytic P. vivax proteins in two groups of adults from a region of western Thailand where malaria is endemic. These individuals were enrolled in a yearlong cohort study, which comprised one group that remained P. vivax free (by quantitative PCR [qPCR] detection, n = 31) and another that experienced two or more blood-stage P. vivax infections during the year of follow up (n = 31). Despite overall low levels of seropositivity, IgG positivity and magnitude were long-lived over the 1-year period in the absence of qPCR-detectable blood-stage P. vivax infections. In contrast, in the adults with two or more P. vivax infections during the year, IgG positivity was maintained, but the magnitude of the response to P. vivax circumsporozoite protein 210 (CSP210) decreased over time. These findings demonstrate that long-term humoral immunity can develop in low-transmission regions.

Indexed as

AdolescentAdultAgedAged, 80 and overAntibodies, ProtozoanAntigens, ProtozoanChildChild, PreschoolCohort StudiesEnzyme-Linked Immunosorbent AssayFemaleHumansImmunity, InnateImmunoglobulin GInfantLife Cycle StagesAntibodies, ProtozoanAntigens, ProtozoanImmunoglobulin G

Identifiers

PMID26656115
PMCPMC4744911
OpenAlexW2264013405

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.