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Brain Sci. 2018, 8(1), 1; https://doi.org/10.3390/brainsci8010001

Disturbed Glucose Metabolism in Rat Neurons Exposed to Cerebrospinal Fluid Obtained from Multiple Sclerosis Subjects

1
Department of Functional Biology, University of Valencia, 46100 Valencia, Spain
2
Multiple Sclerosis Laboratory, Department of Biomedicine, Prince Felipe Research Center, 46012 Valencia, Spain
3
CSUR-Esclerosi Múltiple, Hospital Universitari i Politècnic La Fe, Unitat Mixta d’Esclerosi Múltiple i Neurorregeneració de l’IIS-La Fe, 46026 València, Spain
4
Department of Biochemistry and Molecular Biology, University of Valencia and INCLIVA Biomedical Research Institute, 46100 Valencia, Spain
5
Hospital Clínico, Universitario de Valencia, 46010 Valencia, Spain
Deceased 15 March 2017 (in loving memory).
*
Author to whom correspondence should be addressed.
Received: 14 August 2017 / Revised: 13 December 2017 / Accepted: 15 December 2017 / Published: 21 December 2017
(This article belongs to the Special Issue Pathogenesis and Treatment of Neurodegenerative Diseases)
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Abstract

Axonal damage is widely accepted as a major cause of permanent functional disability in Multiple Sclerosis (MS). In relapsing-remitting MS, there is a possibility of remyelination by myelin producing cells and restoration of neurological function. The purpose of this study was to delineate the pathophysiological mechanisms underpinning axonal injury through hitherto unknown factors present in cerebrospinal fluid (CSF) that may regulate axonal damage, remyelinate the axon and make functional recovery possible. We employed primary cultures of rat unmyelinated cerebellar granule neurons and treated them with CSF obtained from MS and Neuromyelitis optica (NMO) patients. We performed microarray gene expression profiling to study changes in gene expression in treated neurons as compared to controls. Additionally, we determined the influence of gene-gene interaction upon the whole metabolic network in our experimental conditions using the Search Tool for the Retrieval of Interacting Genes/Proteins (STRING) program. Our findings revealed the downregulated expression of genes involved in glucose metabolism in MS-derived CSF-treated neurons and upregulated expression of genes in NMO-derived CSF-treated neurons. We conclude that factors in the CSF of these patients caused a perturbation in metabolic gene(s) expression and suggest that MS appears to be linked with metabolic deformity. View Full-Text
Keywords: multiple sclerosis; glucose metabolism; neuromyelitis optica; cerebrospinal fluid; gene expression multiple sclerosis; glucose metabolism; neuromyelitis optica; cerebrospinal fluid; gene expression
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Mathur, D.; María-Lafuente, E.; Ureña-Peralta, J.R.; Sorribes, L.; Hernández, A.; Casanova, B.; López-Rodas, G.; Coret-Ferrer, F.; Burgal-Marti, M. Disturbed Glucose Metabolism in Rat Neurons Exposed to Cerebrospinal Fluid Obtained from Multiple Sclerosis Subjects. Brain Sci. 2018, 8, 1.

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