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Inhibition of GluN2A NMDA receptors ameliorates synaptic plasticity deficits in the Fmr1-/y mouse model.

The Journal of physiology | 2018

Fragile X syndrome (FXS) is a genetic condition that is the most common form of inherited intellectual impairment and causes a range of neurodevelopmental complications including learning disabilities and intellectual disability and shares many characteristics with autism spectrum disorder (ASD). In the FXS mouse model, Fmr1-/y , impaired synaptic plasticity was restored by pharmacologically inhibiting GluN2A-containing NMDA receptors but not GluN2B-containing receptors. Similar results were obtained by crossing Fmr1-/y with GluN2A knock-out (Grin2A-/- ) mice. These results suggest that dampening the elevated levels of GluN2A-containing NMDA receptors in Fmr1-/y mice has the potential to restore hyperexcitability of the neural circuitry to (a more) normal-like level of brain activity.

Pubmed ID: 30132892 RIS Download

Associated grants

  • Agency: Riisfort, International
  • Agency: Det Frie Forskningsråd (Danish Council for Independent Research), International
    Id: DFF - 4004-00188
  • Agency: Lundbeckfonden (Lundbeck Foundation), International
    Id: 2011-8826

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