英: Okihiro syndrome
同: Okihiro症候群
関: デュアン症候群 Duane syndrome、デュアン眼球後退症候群 Duane retraction syndrome

上肢の形成異常や眼球運動制限を伴う遺伝性疾患

Okihiro syndrome refers to the association of forearm malformations with Duane syndrome of eye retraction.

参考

wiki en

http://en.wikipedia.org/wiki/Duane-radial_ray_syndrome

Okihiro syndrome is caused by SALL4 mutations.

Kohlhase J, Heinrich M, Schubert L, Liebers M, Kispert A, Laccone F, Turnpenny P, Winter RM, Reardon W.
Hum Mol Genet. 2002 Nov 1;11(23):2979-87.
Okihiro syndrome refers to the association of forearm malformations with Duane syndrome of eye retraction. Based on the reported literature experience, clinical diagnosis of the syndrome can be elusive, owing to the variable presentation in families reported. Specifically, there is overlap of clinical features with other conditions, most notably Holt-Oram syndrome, a condition resulting from mutation of the TBX5 locus and Townes-Brocks syndrome, known to be caused by mutations in the SALL1 gene. Arising from our observation of several malformations in Okihiro syndrome patients which are also described in Townes-Brocks syndrome, we postulated that Okihiro syndrome might result from mutation of another member of the human SALL gene family. We have characterized the human SALL4 gene on chromosome 20q13.13-q13.2. Moreover, we have identified literature reports of forelimb malformations in patients with cytogenetically identifiable abnormalities of this region. We here present evidence in 5 of 8 affected families that mutation at this locus results in the Okihiro syndrome phenotype.
PMID 12393809

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