Neutrophils impose strong immune pressure against PfEMP1 variants implicated in cerebral malaria
Abstract: Plasmodium falciparum, the deadliest form of human malaria, remains one of the major threats to human health in endemic regions. Its virulence is attributed to its ability to modify infected red blood cells (iRBC) to adhere to endothelial receptors by placing variable antigens known as PfEMP1 on the iRBC surface. PfEMP1 expression determines the cytoadhesive properties of the iRBCs and is implicated in severe malaria. To evade antibody‐mediated responses, the parasite undergoes continuous switches of expression between different PfEMP1 variants. Recently, it became clear that in addition to antibody‐mediated responses, PfEMP1 triggers innate immune responses; however, the role of neutrophils, the most abundant white blood cells in the human circulation, in malaria remains elusive. Here, we show that neutrophils recognize and kill blood‐stage P. falciparum isolates. We identify neutrophil ICAM‐1 and specific PfEMP1 implicated in cerebral malaria as the key molecules involved in this killing. Our data provide mechanistic insight into the interactions between neutrophils and iRBCs and demonstrate the important influence of PfEMP1 on the selective innate response to cerebral malaria.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Neutrophils impose strong immune pressure against PfEMP1 variants implicated in cerebral malaria ; day:13 ; month:04 ; year:2022 ; extent:18
EMBO reports / European Molecular Biology Organization ; (13.04.2022) (gesamt 18)
- Creator
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Zelter, Tamir
Strahilevitz, Jacob
Simantov, Karina
Yajuk, Olga
Adams, Yvonne
Ramstedt Jensen, Anja
Dzikowski, Ron
Granot, Zvi
- DOI
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10.15252/embr.202153641
- URN
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urn:nbn:de:101:1-2022041415010805426632
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:35 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Zelter, Tamir
- Strahilevitz, Jacob
- Simantov, Karina
- Yajuk, Olga
- Adams, Yvonne
- Ramstedt Jensen, Anja
- Dzikowski, Ron
- Granot, Zvi
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