Journal
SCIENTIFIC REPORTS
Volume 7, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/srep41722
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Funding
- Francis Crick Institute
- UK Medical Research Council [U117584248]
- Cancer Research UK
- Wellcome Trust [WT104777MA]
- Medical Research Council [MC_U117565642, 1105853, 1365570, MC_U117584248] Funding Source: researchfish
- The Francis Crick Institute [10352, 10101, 10009] Funding Source: researchfish
- The Francis Crick Institute
- Cancer Research UK [10126] Funding Source: researchfish
- Wellcome Trust [104777/Z/14/Z] Funding Source: researchfish
- MRC [MC_U117584248, MC_U117565642] Funding Source: UKRI
- Wellcome Trust [104777/Z/14/Z] Funding Source: Wellcome Trust
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The influence of parasite genetic factors on immune responses and development of severe pathology of malaria is largely unknown. In this study, we performed genome-wide transcriptomic profiling of mouse whole blood during blood-stage infections of two strains of the rodent malaria parasite Plasmodium chabaudi that differ in virulence. We identified several transcriptomic signatures associated with the virulent infection, including signatures for platelet aggregation, stronger and prolonged anemia and lung inflammation. The first two signatures were detected prior to pathology. The anemia signature indicated deregulation of host erythropoiesis, and the lung inflammation signature was linked to increased neutrophil infiltration, more cell death and greater parasite sequestration in the lungs. This comparative whole-blood transcriptomics profiling of virulent and avirulent malaria shows the validity of this approach to inform severity of the infection and provide insight into pathogenic mechanisms.
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