Variable expressivity of a familial 1.9 Mb microdeletion in 3q28 leading to haploinsufficiency of TP63: Refinement of the critical region for a new microdeletion phenotype.

Abstract excerpt

We report on a 3-year-old male with intellectual disability (ID), characteristic facial features, polydactyly and epilepsy carrying a paternally inherited 3q28 deletion of 1.9 Mb. The father, carrying the same deletion, presents with cleft palate, nail dystrophy and learning difficulties. The deleted region in this family is one of the smallest so far reported among genomic deletions affecting 3q27-3q28 for which...

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