Literature DB >> 25017011

miR-92a regulates expression of synaptic GluA1-containing AMPA receptors during homeostatic scaling.

Mathieu Letellier1, Sara Elramah1, Magali Mondin1, Anaïs Soula2, Andrew Penn2, Daniel Choquet2, Marc Landry2, Olivier Thoumine1, Alexandre Favereaux1.   

Abstract

We investigated whether microRNAs could regulate AMPA receptor expression during activity blockade. miR-92a strongly repressed the translation of GluA1 receptors by binding the 3' untranslated region of rat GluA1 (also known as Gria1) mRNA and was downregulated in rat hippocampal neurons after treatment with tetrodotoxin and AP5. Deleting the seed region in GluA1 or overexpressing miR-92a blocked homeostatic scaling, indicating that miR-92a regulates the translation and synaptic incorporation of new GluA1-containing AMPA receptors.

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Year:  2014        PMID： 25017011     DOI： 10.1038/nn.3762

Source DB:  PubMed          Journal:  Nat Neurosci        ISSN： 1097-6256            Impact factor:   24.884


  25 in total

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