Journal
COLD SPRING HARBOR PERSPECTIVES IN MEDICINE
Volume 8, Issue 10, Pages -Publisher
COLD SPRING HARBOR LAB PRESS, PUBLICATIONS DEPT
DOI: 10.1101/cshperspect.a028985
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Funding
- Multiple Sclerosis Society in the United Kingdom
- National Multiple Sclerosis Society in the United States
- Wellcome Trust Institutional Strategic Support Fund
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The neuron is the target of inflammatory demyelinating processes in multiple sclerosis (MS). In progressive MS, however, there is a gathering body of evidence indicating molecular changes within neuronal cell bodies. All of these molecular changes to intrinsic neurons converge on mitochondria, and the most reproduced change relates to mitochondrial respiratory chain complex deficiency. This compromise in the capacity to generate ATP in the neuronal cell body is coupled with an increased demand for energy by the demyelinated axon, which is particularly relevant to the long tracts such as corticospinal tracts with long projection axons. Recent work in our laboratory and that of our collaborators indicate limited reflection of the molecular changes that are intrinsic neurons in the experimental disease models. The mitochondrial changes within neuronal compartments are an under-recognized aspect of progressive MS and likely to offer novel targets for the improvement of neuronal function as well as neuroprotection.
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