Fabretto Antonella, Shardlow Alison, Faletra Flavio, Lepore Loredana, Hladnik Uros, Gasparini Paolo
Institute of Child and Maternal Health Burlo Garofolo, Genetics, Trieste, Italy.
Ophthalmic Genet. 2010 Jun;31(2):98-100. doi: 10.3109/13816811003620517.
Lymphedema-Distichiasis (LD, OMIM 153400) is an autosomal dominant disorder with variable expression. The mutated gene implicated is FOXC2, which encodes for a forkhead transcription factor involved in the development of the lymphatic and vascular system. LD is characterized by late childhood or pubertal onset lymphedema of the limbs and distichiasis. Other associations have been reported, including congenital heart disease, ptosis, scoliosis.
Here we describe a case of LD carrying a de novo frameshift mutation of FOXC2 who presented a prepubertal onset of lower limbs lymphedema and mild distichiasis associated with other anomalies such as webbing neck and ptosis.
淋巴水肿-双行睫综合征(LD,OMIM 153400)是一种具有可变表达的常染色体显性疾病。相关的突变基因是FOXC2,它编码一种参与淋巴和血管系统发育的叉头转录因子。LD的特征是儿童晚期或青春期开始出现的四肢淋巴水肿和双行睫。还报道了其他相关症状,包括先天性心脏病、上睑下垂、脊柱侧弯。
在此我们描述了一例携带FOXC2基因新发移码突变的LD病例,该患者青春期前出现下肢淋巴水肿和轻度双行睫,并伴有其他异常,如蹼颈和上睑下垂。