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Updated: Jul 4, 2026
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Generating Genetically Modified Plasmodium berghei Sporozoites
Published on: May 5, 2023
Plasmodium sporozoite passage across the sinusoidal cell layer.
Ute Frevert1, Ivan Usynin, Kerstin Baer
1NYU School of Medicine, Department of Medical Parasitology, 341 E. 25 Street, New York, New York 10010, USA. ute.frevert@med.nyu.edu
Sub-Cellular Biochemistry
|June 3, 2008
Summary
Malaria parasites (Plasmodium sporozoites) must breach skin and liver cell barriers to cause infection. Recent studies clarify how these malaria parasites navigate the liver
Area of Science:
- Parasitology
- Cell Biology
- Infectious Diseases
Background:
- Malaria sporozoites infect the mammalian liver, initiating infection.
- Crossing cell barriers is crucial for Plasmodium sporozoites to reach hepatocytes.
- The precise route of sporozoite entry into hepatocytes remains debated.
Purpose of the Study:
- To elucidate the cellular mechanisms and pathways utilized by Plasmodium sporozoites to penetrate the liver sinusoidal barrier.
- To clarify the route Plasmodium sporozoites take to infect hepatocytes.
Main Methods:
- Utilized advanced cell biological techniques.
- Employed sophisticated microscopy.
- Incorporated genetic approaches to study parasite-host interactions.
Main Results:
- Demonstrated that Plasmodium sporozoites must overcome at least two cellular barriers.
- Identified migration through dermal capillaries and traversal of the vascular endothelium as initial steps.
- Showed crossing of the sinusoidal cell layer, including sinusoidal endothelia and Kupffer cells, is essential for hepatocyte infection.
Conclusions:
- Recent advancements have significantly improved understanding of initial malaria infection events in the liver.
- The study clarifies the complex journey of Plasmodium sporozoites through host tissues to establish infection.
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