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Related Experiment Video

Updated: Feb 14, 2026

Measuring Progressive Neurological Disability in a Mouse Model of Multiple Sclerosis
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Neurodegeneration in Progressive Multiple Sclerosis.

Graham Campbell1, Don Mahad1

  • 1The Centre for Clinical Brain Science, University of Edinburgh, Chancellor's Building, Edinburgh EH16 4SB, United Kingdom.

Cold Spring Harbor Perspectives in Medicine
|February 15, 2018
PubMed
Summary
This summary is machine-generated.

Mitochondrial dysfunction in neurons is a key feature of progressive multiple sclerosis (MS). Targeting these neuronal changes may improve function and offer neuroprotection in MS patients.

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Area of Science:

  • Neuroscience
  • Cell Biology
  • Immunology

Background:

  • Multiple sclerosis (MS) primarily targets neurons through inflammatory demyelination.
  • Progressive MS involves molecular alterations within neuronal cell bodies.
  • These neuronal changes predominantly affect mitochondria, particularly respiratory chain complex deficiency.

Purpose of the Study:

  • To investigate the role of mitochondrial changes in neuronal cell bodies in progressive MS.
  • To explore the energy demands of demyelinated axons in relation to neuronal function.
  • To identify novel therapeutic targets for neuroprotection and improved neuronal function in MS.

Main Methods:

  • Analysis of molecular changes in neuronal cell bodies in progressive MS.
  • Assessment of mitochondrial respiratory chain complex function.
  • Evaluation of energy demands in demyelinated axons, including long tracts like corticospinal tracts.

Main Results:

  • Mitochondrial respiratory chain complex deficiency is a consistent finding in neuronal cell bodies in progressive MS.
  • Compromised ATP generation in neuronal cell bodies coincides with increased energy demand by demyelinated axons.
  • Experimental disease models show limited reflection of these intrinsic neuronal molecular changes.

Conclusions:

  • Mitochondrial alterations within neuronal compartments are an under-recognized aspect of progressive MS.
  • These mitochondrial changes represent potential novel therapeutic targets.
  • Interventions targeting neuronal mitochondria could improve neuronal function and provide neuroprotection in MS.