Article
The association of severe encephalopathy and question mark ear is highly suggestive of loss of MEF2C function.
Clinical genetics - 1 Feb 2018
Gordon C T, Tessier A, Demir Z, Goldenberg A, Oufadem M, Voisin N, Pingault V, Bienvenu T, Lyonnet S, de Pontual L, Amiel J
Abstract excerpt
Auriculocondylar syndrome and isolated question mark ear result from dysregulation of the endothelin 1-endothelin receptor type A signaling pathway. Animal models have highlighted the role of the transcription factor MEF2C as an effector of this pathway. We report heterozygous MEF2C loss-of-function as a possible cause of question mark ear associated with intellectual deficiency.
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