Related Experiment Video
Updated: Sep 13, 2025
Isolation and Analysis of Brain-sequestered Leukocytes from Plasmodium berghei ANKA-infected Mice
Published on: January 2, 2013
Pathogenesis of brain injury in cerebral malaria: emerging mechanisms and implications for intervention
Dibyadyuti Datta1, Chandy C John
1Ryan White Center for Pediatric Infectious Diseases & Global Health, Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana, USA.
Insights
Pediatric cerebral malaria (CM) causes brain injury through blood-brain barrier (BBB) breakdown, leading to neuronal damage. Recent studies offer hope for understanding and treating this severe childhood disease.
Area of Science:
- Neurology
- Pediatrics
- Infectious Diseases
Background:
- Cerebral malaria (CM) in children is a severe condition with high mortality rates.
- Long-term cognitive impairment is a significant consequence of pediatric CM.
- Understanding the pathogenesis of brain injury is crucial for effective treatment.
Purpose of the Study:
- To review recent advances in defining the pathogenesis of brain injury in pediatric cerebral malaria.
- To consolidate current knowledge on the mechanisms leading to brain damage in CM.
- To highlight emerging research directions in pediatric CM brain injury.
Main Methods:
- Review of recent scientific literature on pediatric cerebral malaria.
- Analysis of studies focusing on brain injury mechanisms in CM.
- Inclusion of neuroimaging, electrophysiology, and in vitro blood-brain barrier (BBB) models.
Main Results:
- Pediatric CM involves blood-brain barrier (BBB) impairment due to hypoxemia, ischemia, and endothelial activation.
- Oxidative stress from free heme release contributes to BBB damage.
- Inflammatory mediators and parasite toxins crossing the BBB cause neuronal injury, with potential exacerbation by acute kidney injury and hyperuricemia.
Conclusions:
- Novel studies, including neuroimaging and in vitro BBB models, are enhancing the understanding of CM brain injury.
- Ongoing experimental CM studies are vital for identifying potential interventions.
- Further research promises to improve outcomes and decrease injury in pediatric CM.
Purpose Of Review:
Cerebral malaria (CM) in children has high mortality and leads to substantial long-term cognitive impairment. We review recent advances in defining the pathogenesis of brain injury in pediatric cerebral malaria.
Recent Findings:
The cascade of events leading to brain injury in pediatric CM includes blood-brain barrier (BBB) impairment due to local hypoxemia, ischemia, and endothelial activation after sequestration of infected erythrocytes; and oxidative stress after release of free heme. Tumor necrosis factor alpha (TNF-α), reactive oxygen species, CD8+ T cells and parasite toxins can then cross the impaired BBB and through activation of central nervous system immune responses and direct cytotoxicity lead to neuronal injury. Acute kidney injury and hyperuricemia may worsen BBB impairment and cerebral edema. Cytotoxic or vasogenic edema, abnormal blood flow states, and increased microvascular hemoglobin are present in pediatric CM, but their relationship to brain injury is not yet fully defined.
Summary:
New studies of CM in children, including neuroimaging and electrophysiology studies, along with novel in vitro BBB model studies and ongoing experimental CM studies, show promise in improving our understanding of brain injury in CM and identifying interventions to decrease this injury.
More Related Videos
09:04In Vivo Tracking of Edema Development and Microvascular Pathology in a Model of Experimental Cerebral Malaria Using Magnetic Resonance Imaging
Published on: June 8, 2017
07:27A Simple Protocol for Platelet-mediated Clumping of Plasmodium falciparum-infected Erythrocytes in a Resource Poor Setting
Published on: May 16, 2013
Related Concept Videos
00:49The Blood-brain Barrier
00:58Symbiosis