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Ehlers-Danlos Syndrome Type IV: Unusual Congenital Anomalies in a Mother and Son with a COL3A1 Mutation and a Normal Collagen III Protein Profile

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source: Clinical Genetics

year: 2003

authors: Kroes HY, Pals G, Van Essen AJ


A mother and son with Ehlers-Danlos syndrome (EDS) type IV and unusual congenital anomalies are described. The congenital anomalies include, in the mother, amniotic band-like constrictions on one hand, a unilateral clubfoot, and macrocephaly owing to normal-pressure hydrocephaly and, in the son, an esophageal atresia and hydrocephaly. Protein analysis of collagen III in cultured fibroblasts of the mother showed no abnormalities. However, DNA analysis of the COL3A1 gene revealed a pathogenic mutation (388G–>T) in both the mother and the son. The possible relationship between the observed congenital anomalies and EDS IV are discussed. We stress that DNA analysis of COL3A1 should be performed in all patients when there is a strong suspicion of EDS IV, despite negative findings in a collagen protein analysis.

organization: University Medical Center WKZ

DOI: 10.1034/j.1399-0004.2003.00047.x

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