Human microRNAs miR-22, miR-138-2, miR-148a, and miR-488 are associated with panic disorder and regulate several anxiety candidate genes and related pathways

Margarita Muiños-Gimeno, Yolanda Espinosa-Parrilla, Monica Guidi, Birgit Kagerbauer, Tessa Sipilä, Eduard Maron, Kristi Pettai, Laura Kananen, Ricard Navinés, Rocío Martín-Santos, Mònica Gratacòs, Andres Metspalu, Iiris Hovatta, Xavier Estivill

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121 Citations (Scopus)

Abstract

Background: The involvement of microRNAs (miRNAs) in neuronal differentiation and synaptic plasticity suggests a role for miRNAs in psychiatric disorders; association analyses and functional approaches were used to evaluate the implication of miRNAs in the susceptibility for panic disorder. Methods: Case-control studies for 712 single-nucleotide polymorphisms (SNPs) tagging 325 human miRNA regions were performed in 203 Spanish patients with panic disorder and 341 control subjects. A sample of 321 anxiety patients and 642 control subjects from Finland and 102 panic disorder patients and 829 control subjects from Estonia was used as a replica. Reporter-gene assays and miRNA overexpression experiments in neuroblastoma cells were used to functionally evaluate the spectrum of genes regulated by the associated miRNAs. Results: Two SNPs associated with panic disorder: rs6502892 tagging miR-22 (p < .0002), and rs11763020 tagging miR-339 (p < .00008). Other SNPs tagging miR-138-2, miR-488, miR-491, and miR-148a regions associated with different panic disorder phenotypes. Replication in the north-European sample supported several of these associations, although they did not pass correction for multiple testing. Functional studies revealed that miR-138-2, miR-148a, and miR-488 repress (30%-60%) several candidate genes for panic disorder - GABRA6, CCKBR and POMC, respectively - and that miR-22 regulates four other candidate genes: BDNF, HTR2C, MAOA, and RGS2. Transcriptome analysis of neuroblastoma cells transfected with miR-22 and miR-488 showed altered expression of a subset of predicted target genes for these miRNAs and of genes that might be affecting physiological pathways related to anxiety. Conclusions: This work represents the first report of a possible implication of miRNAs in the etiology of panic disorder.

Original languageEnglish
Pages (from-to)526-533
Number of pages8
JournalBiological Psychiatry
Volume69
Issue number6
DOIs
Publication statusPublished - 15 Mar 2011

Keywords

  • Anxiety
  • association study
  • candidate gene
  • microRNAs
  • panic disorder
  • postranscriptional regulation

ASJC Scopus subject areas

  • Biological Psychiatry

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    Muiños-Gimeno, M., Espinosa-Parrilla, Y., Guidi, M., Kagerbauer, B., Sipilä, T., Maron, E., Pettai, K., Kananen, L., Navinés, R., Martín-Santos, R., Gratacòs, M., Metspalu, A., Hovatta, I., & Estivill, X. (2011). Human microRNAs miR-22, miR-138-2, miR-148a, and miR-488 are associated with panic disorder and regulate several anxiety candidate genes and related pathways. Biological Psychiatry, 69(6), 526-533. https://doi.org/10.1016/j.biopsych.2010.10.010