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Updated: Jun 21, 2026

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Analyzing the Permeability of the Blood-Brain Barrier by Microbial Traversal through Microvascular Endothelial Cells
Published on: February 14, 2020
[Blood-brain barrier--function of Mato cells]
Agnieszka Muszyńska1, Joanna Maria Zajkowska, Piotr Czupryna
1Uniwersytet Medyczny w Białymstoku, Klinika Chorób Zakaźnych i Neuroinfekcji. agnieszkamusz@o2.pl
Summary
Mato cells in the blood-brain barrier act as crucial phagocytes, protecting the brain. Their degeneration due to aging or disease impairs this function, potentially leading to neurological disorders.
Area of Science:
- Neuroscience
- Cell Biology
- Immunology
Context:
- The brain's intricate functions necessitate isolation from external and internal environments, maintained by protective structures like the blood-brain barrier.
- The blood-brain barrier restricts the exchange of substances between the blood and the central nervous system.
- Mato cells, situated in Virchow-Robin's space, are integral components of the blood-brain barrier.
Purpose:
- To elucidate the role of Mato cells in maintaining the integrity and function of the blood-brain barrier.
- To investigate the mechanisms by which Mato cells perform their protective functions.
- To explore the implications of Mato cell dysfunction in the pathogenesis of neurological diseases.
Summary:
- Mato cells are specialized phagocytes within the blood-brain barrier, rich in hydrolytic enzymes and equipped with scavenger receptors.
- These cells actively eliminate harmful substances, safeguarding the neural tissue and cerebrospinal fluid.
- Degeneration of Mato cells, influenced by factors such as aging, hypercholesterolemia, and vitamin E deficiency, compromises their protective capacity.
Impact:
- Understanding Mato cell function is critical for developing therapeutic strategies against neurodegenerative diseases.
- Dysfunctional Mato cells are implicated in the pathogenesis of conditions including Alzheimer's disease, diabetic retinopathy, and encephalitis.
- This research highlights a potential cellular target for interventions aimed at preserving brain health and function.
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The Blood-brain Barrier
Overview
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The skin and mucous membranes serve as the primary line of defense against pathogens by providing both physical and chemical protection. These barriers are essential in preventing the entry and establishment of microbes, thereby maintaining the integrity of the host.
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
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Transcellular transport of solutes is the movement of substances like monosaccharides and amino acids through polarized cells. This transport mechanism is primarily seen in epithelial and endothelial cells aided by membrane transport proteins such as channels and transporters. The tight junctions between these cells confine the membrane proteins to the two sides of the cell. The epithelial cells have distinct apical and basolateral domains. In contrast, the endothelial cells show the luminal...

