Abstract
Currarino syndrome (CS) is a rare autosomal dominant disease that has been described as a triad of partial sacral agenesis, anorectal anomalies, and a presacral mass. Mutations in the HLXB9 gene have been suggested to be the genetic background of CS. In this study, sequence analysis of the HLXB9 gene was performed in two familial and two sporadic Korean patients showing the clinical features of CS, and two mutations in the HLXB9 gene were identified only in the two familial cases. One mutation (R295W) has been reported previously, and the other (H260_Q261delinsLELLELE) is novel. Consistent with previous observations, the phenotypic expression of the mutation carriers in the CS families varies from mild to severe, including the complete triad. This study confirms that familial CS patients in Korea have the same genetic background as other ethnicities and reaffirms the phenotype variability among CS patients with the same mutation.
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This work was supported by the Samsung Biomedical Research Institute grant, #SBRI C-A6-403-2.
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Kim, IS., Oh, Sy., Choi, SJ. et al. Clinical and genetic analysis of HLXB9 gene in Korean patients with Currarino syndrome. J Hum Genet 52, 698–701 (2007). https://doi.org/10.1007/s10038-007-0173-y
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DOI: https://doi.org/10.1007/s10038-007-0173-y
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