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Severe childhood malaria syndromes defined by plasma proteome profiles

Lookup NU author(s): Dr Florence Burte

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Abstract

BackgroundCerebral malaria (CM) and severe malarial anemia (SMA) are the most serious life-threatening clinical syndromes of Plasmodium falciparum infection in childhood. Therefore it is important to understand the pathology underlying the development of CM and SMA, as opposed to uncomplicated malaria (UM). Different host responses to infection are likely to be reflected in plasma proteome-patterns that associate with clinical status and therefore provide indicators of the pathogenesis of these syndromes.Methods and FindingsPlasma and comprehensive clinical data for discovery and validation cohorts were obtained as part of a prospective case-control study of severe childhood malaria at the main tertiary hospital of the city of Ibadan, an urban and densely populated holoendemic malaria area in Nigeria. A total of 946 children participated in this study. Plasma was subjected to high-throughput proteomic profiling. Statistical pattern-recognition methods were used to find proteome-patterns that defined disease groups. Plasma proteome-patterns accurately distinguished children with CM and with SMA from those with UM, and from healthy or severely ill malaria-negative children.ConclusionsWe report that an accurate definition of the major childhood malaria syndromes can be achieved using plasma proteome-patterns. Our proteomic data can be exploited to understand the pathogenesis of the different childhood severe malaria syndromes.

Publication metadata

Author(s): Burté F, Brown BJ, Orimadegun AE, Ajetunmobi WA, Battaglia F, Ely BK, Afolabi NK, Athanasakis D, Akinkunmi F, Kowobari O, Omokhodion S, Osinusi K, Akinbami FO, Shokunbi WA, Sodeinde O, Fernandez-Reyes D

Publication type: Article

Publication status: Published

Journal: PLoS ONE

Year: 2012

Volume: 7

Issue: 12

Print publication date: 04/12/2012

Date deposited: 04/02/2014

ISSN (electronic): 1932-6203

Publisher: Public Library of Science

URL: http://dx.doi.org/10.1371/journal.pone.0049778

DOI: 10.1371/journal.pone.0049778

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