Authors: Boillée, Séverine¹; Peschanski, Marc²; Junier, Marie-Pierre³

Source: Molecular Neurobiology, Volume 28, Number 1, August 2003 , pp. 65-106(42)

Publisher: Humana Press

Abstract:

Various mutations in humans and animals lead to the selective and progressive degeneration of motoneurons, resulting in muscular weakness, subsequent paralysis, and death (1-3). Amyotrophic lateral sclerosis (ALS) is the most common adult human motoneuron disease, but the vast majority of sporadic and familial cases of ALS are still of unknown origin (4). Murine models of motoneuron diseases, derived from spontaneous mutations in the colonies, have been known for half a century. Prior to the first identifications of the mutated proteins in human ALS, they have largely been used to explore the disease etiology. The chromosomal localization of these mutations does not favor a genetic similarity between these murine models and the few human forms of the disease for which the mutation or the chromosomal localization is known. Yet the fact that most human ALS cases are of unknown etiology and the recent discovery of molecules with no known role in motoneuron survival (5-7), indicate that these murine mutants may still contribute to the understanding of motoneuronal degenerative processes. This can be exemplified by the work performed on the wobbler mouse, one of the oldest and most extensively studied models, which is reviewed here.

Keywords: motoneuron; amyotrophic lateral sclerosis; neurodegeneration; astrocyte; microglia; gliosis

Document Type: Research article

DOI: http://dx.doi.org/10.1385/MN:28:1:65

Affiliations: 1: Ludwig Institute for Cancer Research, University of California, San Diego, La Jolla, CA, 2: INSERM/UPVM Unité 421, IM3, Faculté de Médecine, U421, Créteil, France, 3: INSERM U114, Collège de France, 11 place Marcelin Berthelot, 75231, Paris CEDEX 05, France, Email: marie-pierre.junier@college-de-france.fr

Publication date: 2003-08-01

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