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Results for “ECTODERMAL DEFECT”

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At least 19 recordsLinked to original sources
PubMed1976

The syndrome of ankyloblepharon, ectodermal defects and cleft lip and palate: an autosomal dominant condition.

Seven patients from four families are reported who had an inherited condition of which the main features were ankyloblepharon, ectodermal defects and cleft lip and palate. The ectodermal defects were partial or complete hair loss, absent or dystrophic nails, pointed widely spaced teeth and partial anhidrosis. Associated anomalies included lacrimal duct atresia, supernumerary nipples, syndactyly and auricular deformities. The inheritance of this abnormality was consistent with that of an autosomal dominant trait. The relationship between this and similar syndromes is discussed.

Adult↗
PubMed2004

Hypertelorism, ptosis, and myopia associated with drug-resistant epilepsy, mental delay, growth deficiency, ectodermal defects, and osteopenia.

We report a 30-year-old woman with hypertelorism, ptosis, and myopia associated with drug-resistant epilepsy (DRE, Lennox-Gastaut syndrome), mental delay, growth deficiency, ectodermal defects, and osteopenia. To the best of our knowledge, this patient has an unusual combination of symptoms not previously described, associated with severe central nervous system dysfunction. The ectodermal defects were present in a very intriguing form, were difficult to diagnose, and did not conform to any classification or previous description.

Adult↗
PubMed2005

Two novel TP63 mutations associated with the ankyloblepharon, ectodermal defects, and cleft lip and palate syndrome: a skin fragility phenotype.

BACKGROUND: Ankyloblepharon, ectodermal defects, and cleft lip and palate (AEC) syndrome is a rare autosomal dominant disorder caused by mutations in the sterile alpha motif region of TP63, a homologue of the tumor suppressor TP53. Recent structure-function studies have identified complexities in the genotype-phenotype correlation of the p63 syndromes. OBSERVATIONS: We report 2 sporadic cases of AEC syndrome in infants. Both patients demonstrated skin erosions with prominent scalp involvement. Histologic studies demonstrated mild basal layer vacuolization and rare dyskeratotic keratinocytes, with evidence of both acantholysis and cytolysis at the blister edge. Immunohistochemistry using anti-p63 monoclonal antibody demonstrated basal epidermal nuclear staining in both healthy control and patient tissue samples. Ultrastructural studies showed focal disruption of anchoring fibrils near the blister edge of one patient and normal desmosomes, hemidesmosomes, and basement membrane zone in the nonblistered skin of the other patient. The DNA analysis of each patient revealed 2 novel missense mutations in the TP63 gene that resulted in L514S and R555P amino acid substitutions within the sterile alpha motif region of the p63 protein. CONCLUSIONS: We report 2 novel TP63 mutations resulting in AEC syndrome. The R555P mutation is the most carboxy-terminal of all the reported AEC missense mutations of p63. The presence of skin fragility, manifested as erosive skin lesions in body areas in addition to the scalp, is postulated to be an important diagnostic feature of AEC syndrome.

Abnormalities, Multiple↗
PubMed1985

AEC syndrome: ankyloblepharon, ectodermal defects, and cleft lip and palate. Report of two cases.

An unusual syndrome of ectodermal dysplasia was seen in a young woman and her son. The constellation of findings included hair, nail, and teeth dystrophies, as well as hypohidrosis. The patients appear to exhibit the previously described syndrome of ankyloblepharon, ectodermal defects, and clefting of the lip and palate. Their cases are the eighth and ninth cases reported in the literature.

Adult↗
PubMed2003

A novel p63 sterile alpha motif (SAM) domain mutation in a Japanese patient with ankyloblepharon, ectodermal defects and cleft lip and palate (AEC) syndrome without ankyloblepharon.

We present a sporadic case of a Japanese female infant with ectodermal dysplasia, complete cleft lip and palate, severe skin erosions at birth and recurrent scalp infection. She had typical clinical features of ankyloblepharon, ectodermal defects and cleft lip and palate (AEC) syndrome without ankyloblepharon. Histological and immunohistochemical analyses showed reduced granular cell layers and aberrant expression of the p63 protein in the suprabasal keratinocytes. Mutation analysis of the exon 13 of p63 gene revealed a heterozygous in-frame 3-bp insert (c. 538-539 ins TTC) encoding additional amino acid residues (F). This is the first report of sterile alpha motif domain mutation except for single nucleotide transitions.

Abnormalities, Multiple↗
PubMed1993

Two sibs with cleft palate, ankyloblepharon, alveolar synechiae, and ectodermal defects: a new recessive syndrome?

Hay and Wells in 1976 reported seven patients from four families who had an inherited condition of which the main features were ankyloblepharon, ectodermal defects, and cleft lip and palate. The inheritance pattern was determined to be autosomal dominant. This condition is known as AEC syndrome or Hay-Wells syndrome. We report a family with two sibs showing some of these features and congenital adhesions between the upper and lower jaws (alveolar synechiae). There seems to be a recessive pattern of inheritance as neither of the parents has any features of the syndrome. This could be described as a recessive form of Hay-Wells syndrome with additional features or be named as a new syndrome.

Abnormalities, Multiple↗