GSK3 influences social preference and anxiety-related behaviors during social interaction in a mouse model of fragile X syndrome and autism

Marjelo A. Mines, Christopher J. Yuskaitis, Margaret K. King, Eleonore Beurel, Richard S Jope

Research output: Contribution to journalArticle

139 Citations (Scopus)

Abstract

Background: Nearly 1% of children in the United States exhibit autism spectrum disorders, but causes and treatments remain to be identified. Mice with deletion of the fragile X mental retardation 1 (Fmr1) gene are used to model autism because loss of Fmr1 gene function causes Fragile X Syndrome (FXS) and many people with FXS exhibit autistic-like behaviors. Glycogen synthase kinase-3 (GSK3) is hyperactive in brains of Fmr1 knockout mice, and inhibition of GSK3 by lithium administration ameliorates some behavioral impairment in these mice. We extended our studies of this association by testing whether GSK3 contributes to socialization behaviors. This used two mouse models with disrupted regulation of GSK3, Fmr1 knockout mice and GSK3 knockin mice, in which inhibitory serines of the two isoforms of GSK3, GSK3a and GSK3b, are mutated to alanines, leaving GSK3 fully active. Methodology/Principal Findings: To assess sociability, test mice were introduced to a restrained stimulus mouse (S1) for 10 min, followed by introduction of a second restrained stimulus mouse (S2) for 10 min, which assesses social preference. Fmr1 knockout and GSK3 knockin mice displayed no deficit in sociability with the S1 mouse, but unlike wild-type mice neither demonstrated social preference for the novel S2 mouse. Fmr1 knockout mice displayed more anxiety-related behaviors during social interaction (grooming, rearing, and digging) than wild-type mice, which was ameliorated by inhibition of GSK3 with chronic lithium treatment. Conclusions/Significance: These results indicate that impaired inhibitory regulation of GSK3 in Fmr1 knockout mice may contribute to some socialization deficits and that lithium treatment can ameliorate certain socialization impairments. As discussed in the present work, these results suggest a role for GSK3 in social behaviors and implicate inhibition of GSK3 as a potential therapeutic.

Original languageEnglish
Article numbere9706
JournalPLoS One
Volume5
Issue number3
DOIs
StatePublished - Dec 1 2010
Externally publishedYes

Fingerprint

Glycogen Synthase Kinase 3
Fragile X Syndrome
anxiety
Interpersonal Relations
Autistic Disorder
social behavior
Anxiety
animal models
Intellectual Disability
mice
Knockout Mice
Socialization
Lithium
lithium
tau-protein kinase
autism
Genes
Grooming
Social Behavior
Alanine

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

Cite this

GSK3 influences social preference and anxiety-related behaviors during social interaction in a mouse model of fragile X syndrome and autism. / Mines, Marjelo A.; Yuskaitis, Christopher J.; King, Margaret K.; Beurel, Eleonore; Jope, Richard S.

In: PLoS One, Vol. 5, No. 3, e9706, 01.12.2010.

Research output: Contribution to journalArticle

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