Links between Electrophysiological and Molecular Pathology of Amyotrophic Lateral Sclerosis
Open Access
- 11 October 2011
- journal article
- review article
- Published by Oxford University Press (OUP) in Integrative and Comparative Biology
- Vol. 51 (6), 913-925
- https://doi.org/10.1093/icb/icr116
Abstract
Multiple deficits have been described in amyotrophic lateral sclerosis (ALS), from the first changes in normal functioning of the motoneurons and glia to the eventual loss of spinal and cortical motoneurons. In this review, current results, including changes in size, and electrical properties of motoneurons, glutamate excitotoxicity, calcium buffering, deficits in mitochondrial and cellular transport, impediments to proteostasis which lead to stress of the endoplasmic reticulum (ER), and glial contributions to motoneuronal vulnerability are recapitulated. Results are mainly drawn from the mutant SOD1 mouse model of ALS, and emphasis is placed on early changes that precede the onset of symptoms and the interplay between molecular and electrical processes.Keywords
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