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Author Spotlight: Insights and Innovations in Gene Expression Manipulation Techniques for Choroid Plexus Research
Published on: June 16, 2023
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Altered secretory and neuroprotective function of the choroid plexus in progressive multiple sclerosis
Sabela Rodríguez-Lorenzo1, David Miguel Ferreira Francisco2, Ricardo Vos3
1Department of Molecular Cell Biology and Immunology, Amsterdam Neuroscience, MS Center Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, de Boelelaan 1117, 1007 MB, Amsterdam, Netherlands.
Acta Neuropathologica Communications
|March 21, 2020
Summary
The choroid plexus in progressive multiple sclerosis (MS) shows altered gene expression, suggesting a hypoxic environment. This impacts neuroprotection and secretion, offering new therapeutic targets for MS.
Area of Science:
- Neuroscience
- Immunology
- Genetics
Background:
- The choroid plexus (CP) regulates central nervous system (CNS) homeostasis.
- The CP's role in multiple sclerosis (MS) pathogenesis is not fully understood.
- Understanding CP alterations in MS is crucial for developing new treatments.
Purpose of the Study:
- To comprehensively analyze transcriptomic changes in the human CP during progressive MS.
- To identify specific genes and pathways affected in the CP of MS patients.
- To investigate the functional implications of these changes on CP properties.
Main Methods:
- RNA sequencing of human CP tissue from progressive MS patients and controls.
- Bioinformatic analysis to identify differentially expressed genes and pathways.
- Ex vivo CP explant model to study gene responses to hypoxia.
- Measurement of cerebrospinal fluid (CSF) biomarkers.
Main Results:
- 17 genes showed significantly higher expression in progressive MS CP.
- Upregulated genes are linked to hypoxia, secretion, and neuroprotection pathways.
- Hypoxia-Inducible Factor (HIF)-1 pathway deregulation observed in progressive MS CP.
- CSF levels of hypoxia-responsive peptide PAI-1 correlate with MS disability.
Conclusions:
- Progressive MS is associated with a hypoxic CP environment.
- Altered CP secretory and neuroprotective functions contribute to MS neuropathology.
- Targeting the CP to enhance neuroprotective factor secretion is a potential therapeutic strategy for MS.
