Abstract:
BACKGROUND:Polydactyly is one of the most common congenital hand/foot malformations in humans. Mutations in GLI3 have been reported to cause syndromic and non-syndromic forms of preaxial and postaxial polydactylies. CASE PRESENTATION:The patient was a 2-year-old boy who underwent surgery in our hospital. The right hand and left foot of the patient were labelled as postaxial polydactyly type B, and there was cutaneous webbing between the 3rd and 4th fingers of the left hand. We identified a novel c. 1622C > T variant in GLI3 leading to an isolated postaxial synpolydactyly. CONCLUSIONS:The patient carries a novel autosomal dominant heterozygous missense mutation. This mutation c.1622C > T;p.(Thr541Met) in the GLI3 gene may affect the normal function of the zinc finger domain (ZFD) in a different way. However, it seems that more research is needed to determine the exact effects of this mutation.
journal_name
BMC Med Genetjournal_title
BMC medical geneticsauthors
Zou Q,Tian Z,Zheng J,Zhi X,Du X,Shu J,Cai Cdoi
10.1186/s12881-019-0889-5subject
Has Abstractpub_date
2019-11-09 00:00:00pages
174issue
1issn
1471-2350pii
10.1186/s12881-019-0889-5journal_volume
20pub_type
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