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MicroRNAs profiling in hippocampal cells of mouse with Pilocarpine-induced Status Epilepticus (SE)

ABSTRACT: SE was induced in mice (NMRI) chemically by a single dose of Pilocarpine (300mg/kg;i.p.). RNA was extracted from the hippocampi of treated and wild-type mice at 24 h and 28 d after induction. microRNA expressions were measured via microarray technology using Exiqon's miCURY™ LNA Arrays.

ORGANISM(S): Merkel cell polyomavirus Mus musculus Human gammaherpesvirus 8 Rattus norvegicus JC polyomavirus Betapolyomavirus macacae Human immunodeficiency virus 1 Murid gammaherpesvirus 4 Homo sapiens Human betaherpesvirus 5 Human alphaherpesvirus 2 Betapolyomavirus hominis Human alphaherpesvirus 1 human gammaherpesvirus 4 Mus musculus cytomegalovirus 2

PROVIDER: GSE51841 | GEO | 2014/01/01

SECONDARY ACCESSION(S): PRJNA225587

REPOSITORIES: GEO

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microRNAs profiling in hippocampal cells of mouse with Pilocarpine-induced Status Epilepticus (SE)

Project description:SE was induced in mice (NMRI) chemically by a single dose of Pilocarpine (300mg/kg;i.p.). RNA was extracted from the hippocampi of treated and wild-type mice at 24 h and 28 d after induction. microRNA expressions were measured via microarray technology using Exiqon's miCURY™ LNA Arrays. 4 conditions, Pilocarpine treated mice at 24 h and 28 d, and the control wild-type at the same types, each of 8 replicates.

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Project description:miRNA array comparing the transcription profile of control rats and rats after intra-hippocampal pilocarpine-induced Status Epilepticus (PILO-SE).

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Project description:The phosphorylation-based signalling and protein changes occurring in the early phases after a pathophysiological insult, like status epilepticus, have not been detailed. To this end, the hippocampi of mice treated with pilocarpine and diazepam were examined by mass spectrometry at 4 and 24 h post-status epilepticus at vast depth using the tandem mass tag 11-plex system. In the accompanying article, the results implicated posttranscriptional regulatory proteins as early targets of increased phosphorylation. Also, the major targets of decreased phosphorylation at 4 h and 24 h were a subset of post synaptic density scaffold proteins, ion channels and neurotransmitter receptors. Many proteins targeted by dephosphorylation at 4 h also had decreased protein abundance at 24 h, indicating a phosphatase-mediated weakening of synapses.

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