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Gómez-Sintes R, Kvajo M, Gogos JA, et al. Mice with a naturally occurring DISC1 mutation display a broad spectrum of behaviors associated to psychiatric disorders. Front Behav Neurosci. 2014;8:253doi: 10.3389/fnbeh.2014.00253.
Gómez-Sintes, R., Kvajo, M., Gogos, J. A., & Lucas, J. J. (2014). Mice with a naturally occurring DISC1 mutation display a broad spectrum of behaviors associated to psychiatric disorders. Frontiers in behavioral neuroscience, 8253. https://doi.org/10.3389/fnbeh.2014.00253
Gómez-Sintes, Raquel, et al. "Mice with a naturally occurring DISC1 mutation display a broad spectrum of behaviors associated to psychiatric disorders." Frontiers in behavioral neuroscience vol. 8 (2014): 253. doi: https://doi.org/10.3389/fnbeh.2014.00253
Gómez-Sintes R, Kvajo M, Gogos JA, Lucas JJ. Mice with a naturally occurring DISC1 mutation display a broad spectrum of behaviors associated to psychiatric disorders. Front Behav Neurosci. 2014 Jul 30;8:253. doi: 10.3389/fnbeh.2014.00253. eCollection 2014. PMID: 25126062; PMCID: PMC4115618.
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Front Behav Neurosci. 2014 Jul 30;8:253. doi: 10.3389/fnbeh.2014.00253. eCollection 2014.

Mice with a naturally occurring DISC1 mutation display a broad spectrum of behaviors associated to psychiatric disorders.

Frontiers in behavioral neuroscience

Raquel Gómez-Sintes, Mirna Kvajo, Joseph A Gogos, José J Lucas

Affiliations

  1. Centro de Biología Molecular "Severo Ochoa", (CBMSO) CSIC/UAM Madrid, Spain ; Networking Research Center on Neurodegenerative Diseases (CIBERNED), Instituto de Salud Carlos III Madrid, Spain.
  2. Department of Psychiatry and Department of Physiology and Cellular Biophysics, Columbia University Medical Center New York, NY, USA.

PMID: 25126062 PMCID: PMC4115618 DOI: 10.3389/fnbeh.2014.00253

Abstract

Disrupted in schizophrenia-1 (DISC1) gene is associated with several neuropsychiatric disorders as it is disrupted by a balanced translocation involving chromosomes 1 and 11 in a large Scottish pedigree with high prevalence of schizophrenia, bipolar disorder and major depression. Since its identification, several mouse models with DISC1 genetic modifications have been generated using different approaches. Interestingly, a natural deletion of 25bp in the 129 mouse strain alters the DISC1 gene reading frame leading to a premature stop codon very close to the gene breakpoint in the mutant allele of the Scottish family. In the present study we confirmed that the 129DISC1(Del) mutation results in reduced level of full length DISC1 in hippocampus of heterozygous mice and we have characterized the behavioral consequences of heterozygous 129DISC1(Del) mutation in a mixed B6129 genetic background. We found alterations in spontaneous locomotor activity (hyperactivity in males and hypoactivity in females), deficits in pre-pulse inhibition (PPI) and also increased despair behavior in heterozygous 129DISC1(Del) mice, thus reproducing typical behaviors associated to psychiatric disorders. Since this mouse strain is widely and commercially available, we propose it as an amenable tool to study DISC1-related biochemical alterations and psychiatric behaviors.

Keywords: 129 strain; DISC1; forced swim test; mouse model; pre-pulse inhibition; tail suspension test

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