Differential antibody responses to Plasmodium falciparum merozoite proteins in Malawian children with severe malaria.

Cerebral malaria (CM) and severe malarial anemia (SMA) are 2 major causes of death in African children infected with Plasmodium falciparum. We investigated levels of naturally acquired antibody to conserved and variable regions of merozoite surface protein (MSP)-1 and MSP-2, apical membrane antigen...

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المؤلفون الرئيسيون: Dobaño, C, Rogerson, S, Mackinnon, M, Cavanagh, DR, Taylor, T, Molyneux, M, McBride, J
التنسيق: Journal article
اللغة:English
منشور في: 2008
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author Dobaño, C
Rogerson, S
Mackinnon, M
Cavanagh, DR
Taylor, T
Molyneux, M
McBride, J
author_facet Dobaño, C
Rogerson, S
Mackinnon, M
Cavanagh, DR
Taylor, T
Molyneux, M
McBride, J
author_sort Dobaño, C
collection OXFORD
description Cerebral malaria (CM) and severe malarial anemia (SMA) are 2 major causes of death in African children infected with Plasmodium falciparum. We investigated levels of naturally acquired antibody to conserved and variable regions of merozoite surface protein (MSP)-1 and MSP-2, apical membrane antigen (AMA)-1, and rhoptry-associated protein 1 in plasma samples from 126 children admitted to the hospital with CM, 59 with SMA, and 84 with uncomplicated malaria (UM) in Malawi. Children with SMA were distinguished by very low levels of immunoglobulin (Ig) G to the conserved C-terminus of MSP-1 and MSP-2 and to full-length AMA-1. Conversely, children with CM had significantly higher levels of IgG to the conserved regions of all antigens examined than did children with UM (for MSP-1 and AMA-1, P< .005; for MSP-2, P< .05) or SMA (for MSP-1 and MSP-2, P<.001; for AMA-1, P< .005). These distinct IgG patterns might reflect differences in age, exposure to P. falciparum, and/or genetic factors affecting immune responses.
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spelling oxford-uuid:eeac0336-6051-455c-bc28-7d9a1e20259c2022-03-27T11:34:36ZDifferential antibody responses to Plasmodium falciparum merozoite proteins in Malawian children with severe malaria.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:eeac0336-6051-455c-bc28-7d9a1e20259cEnglishSymplectic Elements at Oxford2008Dobaño, CRogerson, SMackinnon, MCavanagh, DRTaylor, TMolyneux, MMcBride, JCerebral malaria (CM) and severe malarial anemia (SMA) are 2 major causes of death in African children infected with Plasmodium falciparum. We investigated levels of naturally acquired antibody to conserved and variable regions of merozoite surface protein (MSP)-1 and MSP-2, apical membrane antigen (AMA)-1, and rhoptry-associated protein 1 in plasma samples from 126 children admitted to the hospital with CM, 59 with SMA, and 84 with uncomplicated malaria (UM) in Malawi. Children with SMA were distinguished by very low levels of immunoglobulin (Ig) G to the conserved C-terminus of MSP-1 and MSP-2 and to full-length AMA-1. Conversely, children with CM had significantly higher levels of IgG to the conserved regions of all antigens examined than did children with UM (for MSP-1 and AMA-1, P< .005; for MSP-2, P< .05) or SMA (for MSP-1 and MSP-2, P<.001; for AMA-1, P< .005). These distinct IgG patterns might reflect differences in age, exposure to P. falciparum, and/or genetic factors affecting immune responses.
spellingShingle Dobaño, C
Rogerson, S
Mackinnon, M
Cavanagh, DR
Taylor, T
Molyneux, M
McBride, J
Differential antibody responses to Plasmodium falciparum merozoite proteins in Malawian children with severe malaria.
title Differential antibody responses to Plasmodium falciparum merozoite proteins in Malawian children with severe malaria.
title_full Differential antibody responses to Plasmodium falciparum merozoite proteins in Malawian children with severe malaria.
title_fullStr Differential antibody responses to Plasmodium falciparum merozoite proteins in Malawian children with severe malaria.
title_full_unstemmed Differential antibody responses to Plasmodium falciparum merozoite proteins in Malawian children with severe malaria.
title_short Differential antibody responses to Plasmodium falciparum merozoite proteins in Malawian children with severe malaria.
title_sort differential antibody responses to plasmodium falciparum merozoite proteins in malawian children with severe malaria
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