ArticleNature communications2024
Entire expressed peripheral blood transcriptome in pediatric severe malarial anemia.
Article in Nature communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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Who cites it
8 citing papers in PubMed.
- Plasmodium falciparum gene expression signatures and antibody profiling implicate the fikk, phist, and surf multigene families in severe malaria syndromes.The Journal of infection · 2025Article
- TLR9/NF-κB-mediated dendritic cell activation by neutrophil extracellular traps drives pathogenesis in experimental cerebral malaria.Journal of neuroinflammation · 2025Article
- Impact of age, HIV1, sickle-cell genotypes, and interferon-gamma gene upstream variants on malaria disease outcomes in a longitudinal pediatric cohort.Scientific reports · 2025Article
- Diagnostic accuracy ofExperimental biology and medicine (Maywood, N.J.) · 2025Article
- Article
- Transcriptomic and Proteomic Insights into Host Immune Responses in Pediatric Severe Malarial Anemia: Dysregulation in HSP60-70-TLR2/4 Signaling and Altered Glutamine Metabolism.Pathogens (Basel, Switzerland) · 2024Article
- The impact of Plasmodium-driven immunoregulatory networks on immunity to malaria.Nature reviews. Immunology · 2024Review
- A genome-wide association study of neutrophil count in individuals associated to an African continental ancestry group facilitates studies of malaria pathogenesis.Human genomics · 2024Article
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14 authors.
Funding
Abstract
This study on severe malarial anemia (SMA: Hb < 6.0 g/dL), a leading global cause of childhood morbidity and mortality, compares the entire expressed whole blood host transcriptome between Kenyan children (3-48 mos.) with non-SMA (Hb ≥ 6.0 g/dL, n = 39) and SMA (n = 18). Differential expression analyses reveal 1403 up-regulated and 279 down-regulated transcripts in SMA, signifying impairments in host inflammasome activation, cell death, and innate immune and cellular stress responses. Immune cell profiling shows decreased memory responses, antigen presentation, and immediate pathogen clearance, suggesting an immature/improperly regulated immune response in SMA. Module repertoire analysis of blood-specific gene signatures identifies up-regulation of erythroid genes, enhanced neutrophil activation, and impaired inflammatory responses in SMA. Enrichment analyses converge on disruptions in cellular homeostasis and regulatory pathways for the ubiquitin-proteasome system, autophagy, and heme metabolism. Pathway analyses highlight activation in response to hypoxic conditions [Hypoxia Inducible Factor (HIF)-1 target and Reactive Oxygen Species (ROS) signaling] as a central theme in SMA. These signaling pathways are also top-ranking in protein abundance measures and a Ugandan SMA cohort with available transcriptomic data. Targeted RNA-Seq validation shows strong concordance with our entire expressed transcriptome data. These findings identify key molecular themes in SMA pathogenesis, offering potential targets for new malaria therapies.
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Registered trials
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