The Mooney Lab

The University of Edinburgh

Malaria, anemia, and invasive bacterial disease: A neutrophil problem?


Journal article


Jason P Mooney, Lauren J. Galloway, E. Riley
Journal of leukocyte biology, 2018

Semantic Scholar DOI PubMedCentral PubMed
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APA   Click to copy
Mooney, J. P., Galloway, L. J., & Riley, E. (2018). Malaria, anemia, and invasive bacterial disease: A neutrophil problem? Journal of Leukocyte Biology.


Chicago/Turabian   Click to copy
Mooney, Jason P, Lauren J. Galloway, and E. Riley. “Malaria, Anemia, and Invasive Bacterial Disease: A Neutrophil Problem?” Journal of leukocyte biology (2018).


MLA   Click to copy
Mooney, Jason P., et al. “Malaria, Anemia, and Invasive Bacterial Disease: A Neutrophil Problem?” Journal of Leukocyte Biology, 2018.


BibTeX   Click to copy

@article{jason2018a,
  title = {Malaria, anemia, and invasive bacterial disease: A neutrophil problem?},
  year = {2018},
  journal = {Journal of leukocyte biology},
  author = {Mooney, Jason P and Galloway, Lauren J. and Riley, E.}
}

Abstract

Invasive bacterial disease is well described in immunocompromised hosts, including those with malaria infection. One bacterial infection frequently observed in children with Plasmodium falciparum infection is nontyphoidal salmonella (NTS) infection, in which a typically intestinal infection becomes systemic with serious, often fatal, consequences. In this review, we consider the role of malaria‐induced immunoregulatory responses in tipping the balance from tissue homeostasis during malaria infection to risk of invasive NTS. Also, neutrophils are crucial in the clearance of NTS but their ability to mount an oxidative burst and kill intracellular Salmonella is severely compromised during, and for some time after, an acute malaria infection. Here, we summarize the evidence linking malaria and invasive NTS infections; describe the role of neutrophils in clearing NTS infections; review evidence for neutrophil dysfunction in malaria infections; and explore roles of heme oxygenase‐1, IL‐10, and complement in mediating this dysfunction. Finally, given the epidemiological evidence that low density, subclinical malaria infections pose a risk for invasive NTS infections, we consider whether the high prevalence of such infections might underlie the very high incidence of invasive bacterial disease across much of sub‐Saharan Africa.


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