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Rapp-Hodgkin syndrome
The TP63-related disorders comprise six overlapping phenotypes: Ankyloblepharon-ectodermal defects-cleft lip/palate (AEC) syndrome (which includes Rapp-Hodgkin syndrome). Acro-dermo-ungual-lacrimal-tooth (ADULT) syndrome. Ectrodactyly, ectodermal dysplasia, cleft lip/palate syndrome 3 (EEC3). Limb-mammary syndrome. Split-hand/foot malformation type 4 (SHFM4). Isolated cleft lip/cleft palate (orofacial cleft 8). Individuals typically have varying combinations of ectodermal dysplasia (hypohidrosis, nail dysplasia, sparse hair, tooth abnormalities), cleft lip/palate, split-hand/foot malformation/syndactyly, lacrimal duct obstruction, hypopigmentation, hypoplastic breasts and/or nipples, and hypospadias. Findings associated with a single phenotype include ankyloblepharon filiforme adnatum (tissue strands that completely or partially fuse the upper and lower eyelids), skin erosions especially on the scalp associated with areas of scarring, and alopecia, trismus, and excessive freckling. [from GeneReviews]
Ectodermal dysplasia and immunodeficiency 2
EDAID2 is characterized by variable features of ectodermal dysplasia (e.g., hypo/anhidrosis, sparse hair, tooth anomalies) and various immunologic and infectious phenotypes of differing severity (summary by Boisson et al., 2017). Some patients may also have neutrophilia and autoinflammatory disease, such as liver disease (Tan et al., 2020). Mutations in the NFKBIA gene result in functional impairment of NFKB (see 164011), a master transcription factor required for normal activation of immune responses. Interruption of NFKB signaling results in decreased production of proinflammatory cytokines and certain interferons, rendering patients susceptible to infection (McDonald et al., 2007). For discussion of genetic heterogeneity of ectodermal dysplasia and immune deficiency, see 300291. [from OMIM]
Deafness with anhidrotic ectodermal dysplasia
Anhidrotic ectodermal dysplasia
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