Journal
INTERNATIONAL JOURNAL FOR PARASITOLOGY
Volume 42, Issue 6, Pages 549-555Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ijpara.2012.03.010
Keywords
Malaria; Interleukin-10; Th1 CD4(+) cells; Foxp3(+) Treg cells; Tr1 cells
Categories
Funding
- Medical Research Council, United Kingdom (MRC) [U117584248]
- Wellcome Trust
- European Union
- MRC [MC_U117584248] Funding Source: UKRI
- Medical Research Council [MC_U117584248] Funding Source: researchfish
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Despite intense research, malaria still is the one of the most devastating diseases killing more people than any other parasitic infection. In an attempt to control the infection, the host immune system produces a potent pro-inflammatory response. However, this response is also associated with complications, such as severe anaemia, hypoglycaemia and cerebral malaria. This pronounced production of pro-inflammatory cytokines response is a common feature of malaria caused by parasites infecting humans as well as rodents and primates. A balance between pro- and anti-inflammatory responses may be fundamental to the elimination of the parasite without inducing excessive host pathology. IL-10 is a key cytokine that has been shown to have an important regulatory function in establishing this balance in malaria. Here we discuss which cells can produce IL-10 during infection, and present an overview of the evidence showing that T-cell derived IL-10 plays an important role in regulating malaria pathology. Many different subsets of T cells can produce IL-10, however, evidence is accumulating that it is effector Th1 CD4(+) T cells which provide the crucial source that down-regulates inflammatory pathology during blood-stage malaria infections. (C) 2012 Australian Society for Parasitology Inc. Published by Elsevier Ltd. All rights reserved.
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