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Comprehensive Autopsy Program for Individuals with Multiple Sclerosis
Published on: July 19, 2019
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Identification of early neurodegenerative pathways in progressive multiple sclerosis
Max Kaufmann1,2, Anna-Lena Schaupp2, Rosa Sun2,3,4
1Institut für Neuroimmunologie und Multiple Sklerose, Zentrum für Molekulare Neurobiologie Hamburg, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany.
Nature Neuroscience
|June 21, 2022
Summary
New research reveals broken cell communication in progressive multiple sclerosis (MS) brain tissue. This discovery offers a new framework for developing treatments to halt neurodegeneration and disability in MS patients.
Area of Science:
- Neuroscience
- Immunology
- Genomics
Background:
- Progressive multiple sclerosis (MS) involves relentless neurodegeneration, leading to accumulating disability and resistance to current therapies.
- Understanding the complex pathogenesis of MS is crucial for developing effective treatments to prevent disease progression.
Purpose of the Study:
- To identify multicellular mechanisms driving progressive MS pathogenesis.
- To understand the origins of these mechanisms in relation to neurodegeneration stages.
- To discover novel therapeutic targets for progressive MS.
Main Methods:
- Spatial transcriptomics and proteomics were performed on fresh-frozen human MS brain tissue.
- Ligand-receptor interactions within local microenvironments were analyzed.
- Mechanisms were compared with in vivo knockdown and central nervous system (CNS) disease models.
Main Results:
- Multicellular mechanisms of progressive MS pathogenesis were identified.
- Defunct trophic and anti-inflammatory intercellular communications were discovered in areas of early neuronal decline.
- Proteins linked to neuronal damage showed concordance with disease models, indicating potential therapeutic value.
Conclusions:
- The study provides a new framework for drug development in progressive MS.
- Understanding cellular and signaling dynamics in diseased human tissue is key.
- Identified pathways offer potential therapeutic targets to combat neurodegeneration in MS.
