FOXG1: 1% of Rett syndrome cases; MBD5 and MEF2C are rare causes of Rett-like syndrome. UBE3A: 90% of Angelman syndrome cases; SLC9A6: 6% of Angelman syndrome cases; MBD5: Rare cause Angelman/Angelman-like of Angelman-like syndrome (Christianson syndrome) syndromes* cases); MECP2: Rare cause of Angelman-like syndrome cases. Pitt-Hopkins syndrome TCF4: 38% of Pitt-Hopkins syndrome cases. Mowat-Wilson syndrome** ZEB2: 98% of Mowat-Wilson syndrome cases. Koolen-DeVries syndrome (17q21.31 microdeletion KANSL1: 100% of Koolen-DeVries syndrome cases. syndrome) ADSL: 100% of adenylosuccinate lyase deficiency adenylosuccinate lyase deficiency cases alpha-thalassemia X-linked intellectual disability (ATRX) ATRX: 100% of ATRX syndrome cases. syndrome Glass syndrome SATB2: 100% of Glass syndrome succinic semialdehyde dehydrogenase (SSADH) ALDH5A1: 100% of SSADH deficiency cases. deficiency
FOXG1: 1% of Rett syndrome cases; MBD5 and MEF2C are rare causes of Rett-like syndrome. Angelman/Angelman-like syndromes* UBE3A: 90% of Angelman syndrome cases; SLC9A6: 6% of Angelman syndrome cases; MBD5: Rare cause of Angelman-like syndrome (Christianson syndrome) cases); MECP2: Rare cause of Angelman-like syndrome cases. Pitt-Hopkins syndrome TCF4: 38% of Pitt-Hopkins syndrome cases. Mowat-Wilson syndrome** ZEB2: 98% of Mowat-Wilson syndrome cases. Koolen-DeVries syndrome (17q21.31 microdeletion syndrome) KANSL1: 100% of Koolen-DeVries syndrome cases. adenylosuccinate lyase deficiency ADSL: 100% of adenylosuccinate lyase deficiency cases alpha-thalassemia X-linked intellectual disability (ATRX) syndrome ATRX: 100% of ATRX syndrome cases. Glass syndrome SATB2: 100% of Glass syndrome succinic semialdehyde dehydrogenase (SSADH) deficiency ALDH5A1: 100% of SSADH deficiency cases.