Transcriptomics

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Comparative gene expression analysis of thoracic spinal cord from G93A SOD1 mutant rats and from wild type littermates following mild compression injury


ABSTRACT: In this study we investigate how the molecular response to a mechanical stress applied to the spinal cord can be modified by a G93A SOD1 gene mutation, a genetic defect known to cause an invariably fatal form of motor neuron disease. In a 7-day post-injury time period, we perform a 4 time points gene expression profiling of injured spinal cords obtained from pre-symptomatic rats over-expressing the G93A SOD1 gene mutation and from wild type (WT) littermates. The hypothesis tested in this investigation is that the presence of a known genetic defect in a pre-symptomatic rat with a macroscopically normal spinal cord modifies the molecular response to mechanical stress as part of an increase genetically-induced vulnerability to this kind of stress. A better understanding of the molecular mechanisms underlying this susceptibility to trauma may open the way to the uncovering of molecular events which are crucially linked to neurodegenerastion.

ORGANISM(S): Rattus norvegicus

PROVIDER: GSE22161 | GEO | 2010/06/05

SECONDARY ACCESSION(S): PRJNA127697

REPOSITORIES: GEO

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