Hyperfunction of PSD-95 leads to hyperexcitability and cognitive abnormalities in MEF2C haploinsufficiency.
Myocyte enhancer factor 2C (MEF2C) is a transcription factor critical for brain circuit development and cognitive behavior. The loss of one copy of MEF2C leads to MEF2C haploinsufficiency syndrome (MCHS), a neurodevelopmental disorder characterized by intellectual disability, epilepsy, and behavioral phenotypes associa...