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Distinct kinetics of antibodies to 111 Plasmodium falciparum proteins identifies markers of recent malaria exposure

Strengthening malaria surveillance is a key intervention needed to reduce the global disease burden. Reliable serological markers of recent malaria exposure could improve current surveillance methods by allowing for accurate estimates of infection incidence from limited data. We studied the IgG anti...

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Hauptverfasser: Yman, Victor (VerfasserIn) , Tuju, James (VerfasserIn) , White, Michael T. (VerfasserIn) , Kamuyu, Gathoni (VerfasserIn) , Mwai, Kennedy (VerfasserIn) , Kibinge, Nelson (VerfasserIn) , Asghar, Muhammad (VerfasserIn) , Sundling, Christopher (VerfasserIn) , Sondén, Klara (VerfasserIn) , Murungi, Linda (VerfasserIn) , Kiboi, Daniel (VerfasserIn) , Kimathi, Rinter (VerfasserIn) , Chege, Timothy (VerfasserIn) , Chepsat, Emily (VerfasserIn) , Kiyuka, Patience (VerfasserIn) , Nyamako, Lydia (VerfasserIn) , Osier, Faith (VerfasserIn) , Färnert, Anna (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 17 January 2022
In: Nature Communications
Year: 2022, Jahrgang: 13, Pages: 1-15
ISSN:2041-1723
DOI:10.1038/s41467-021-27863-8
Online-Zugang:Verlag, kostenfrei, Volltext: https://doi.org/10.1038/s41467-021-27863-8
Verlag, kostenfrei, Volltext: https://www.nature.com/articles/s41467-021-27863-8
Volltext
Verfasserangaben:Victor Yman, James Tuju, Michael T. White, Gathoni Kamuyu, Kennedy Mwai, Nelson Kibinge, Muhammad Asghar, Christopher Sundling, Klara Sondén, Linda Murungi, Daniel Kiboi, Rinter Kimathi, Timothy Chege, Emily Chepsat, Patience Kiyuka, Lydia Nyamako, Faith H.A. Osier & Anna Färnert
Beschreibung
Zusammenfassung:Strengthening malaria surveillance is a key intervention needed to reduce the global disease burden. Reliable serological markers of recent malaria exposure could improve current surveillance methods by allowing for accurate estimates of infection incidence from limited data. We studied the IgG antibody response to 111 Plasmodium falciparum proteins in 65 adult travellers followed longitudinally after a natural malaria infection in complete absence of re-exposure. We identified a combination of five serological markers that detect exposure within the previous three months with >80% sensitivity and specificity. Using mathematical modelling, we examined the antibody kinetics and determined that responses informative of recent exposure display several distinct characteristics: rapid initial boosting and decay, less inter-individual variation in response kinetics, and minimal persistence over time. Such serological exposure markers could be incorporated into routine malaria surveillance to guide efforts for malaria control and elimination.
Beschreibung:Gesehen am 29.11.2022
Beschreibung:Online Resource
ISSN:2041-1723
DOI:10.1038/s41467-021-27863-8

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