Objective: To investigate the genetic features and sequence changes of EDA and EDAR gene in a Hubei hypohidrotic ectodermal dysplasias (HED) pedigree.

• 摘要目的：对收集的1个湖北无汗型外胚叶发育不全(HED)家系进行遗传特点分析，并对HED已知致病基因EDA和EDAR进行突变检测。