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A Human Cerebral Organoid Model of Neural Cell Transplantation
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Cerebral Malaria Model Applying Human Brain Organoids.

Rita Silva-Pedrosa1,2,3, Jonas Campos1,2, Aline Marie Fernandes1,2

  • 1Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus Gualtar, 4710-057 Braga, Portugal.

Cells
|April 13, 2023
PubMed
Summary

Researchers developed an in vitro model to study cerebral malaria (CM). This system uses human brain cells and organoids to investigate molecular changes and understand the pathogenesis of CM, offering new insights into brain injury.

Keywords:
HBMEC activationbrain organoidscerebral malariahuman iPSCssecretometranscriptome

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Area of Science:

  • Neuroscience
  • Infectious Diseases
  • Cell Biology

Background:

  • Cerebral malaria (CM) causes significant neurological damage and mortality.
  • Current research lacks comprehensive in vitro models for studying human CM.
  • Understanding the molecular mechanisms of CM-induced brain injury is crucial.

Purpose of the Study:

  • To establish a reliable in vitro cellular system for studying human cerebral malaria.
  • To identify molecular alterations in brain vasculature cells during CM.
  • To investigate the impact of parasitic activation on brain organoids.

Main Methods:

  • Transcriptomic analysis of human brain microvascular endothelial cells (HBMEC) activated by Plasmodium falciparum.
  • Evaluation of HBMEC-Plasmodium falciparum-activated secretomes on human brain organoids.

Main Results:

  • Characterized specific gene expression profiles in activated HBMEC, identifying potential new genes involved in parasitic activation.
  • Demonstrated the impact of activated secretomes on human brain organoids, providing insights into CM pathophysiology.
  • Validated the reliability of the developed in vitro models for mimicking aspects of CM.

Conclusions:

  • The developed in vitro systems accurately model key aspects of human cerebral malaria.
  • These models are valuable tools for investigating factors influencing CM pathogenesis and brain dysfunction.
  • Further research using these models can advance the molecular understanding of CM-induced neurological injury.