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Accession IconSRP079009

Activity-Dependent Regulation of Alternative Cleavage and Polyadenylation (APA) during hippocampal Long-Term Potentiation (LTP) [3''READS]

Organism Icon Mus musculus
Sample Icon 12 Downloadable Samples
Technology Badge IconIllumina HiSeq 2500

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This study was aimed at elucidating the mechanisms underlying activity-dependent gene regulation during LTP of mouse hippocampal CA3-CA1 synapses. Deep sequencing of the 3' end of transcripts allowed to identify changes in APA induced 1 hour and 3 hours after LTP induction. We detected APA changes that only affected the 3''UTR (3''UTR-APA events) and APA changes that also affected the coding sequence (CDS-APA events). Overall design: We performed 3' region extraction and deep sequencing (3''READS) of acute hippocampal slices 1 hour and 3 hours after LTP induction, and of time-matched control slices. Hippocampal slices were prepared from 2-3 month old C57BL/6 wild-type mice, the dentate gyrus was trimmed, and the slices were placed in interface chambers to recover for 2 hours with continuous ACSF perfusion. From the same animal, half of the mini-slices were used for LTP induction (using a pharmacological protocol, cLTP) and the remaining slices were treated with a DMSO vehicle solution as controls. We sequenced triplicates (samples 1-3) of controls and cLTP treated slices for the 1 hour and 3 hours time-point.
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