期刊
MOLECULAR SYNDROMOLOGY
卷 12, 期 4, 页码 240-243出版社
KARGER
DOI: 10.1159/000514531
关键词
KIFBP; Novel mutation; Megacolon
Goldberg-Shprintzen syndrome (GOSHS) is a rare genetic disorder characterized by microcephaly, developmental delay, dysmorphic features, Hirschsprung disease (HSCR), and brain anomalies. Mutations in the KIFBP gene have been identified as the cause of the syndrome, with both nonsense, frameshift, and missense mutations reported.
Goldberg-Shprintzen syndrome (GOSHS) is characterized by microcephaly, developmental delay, dysmorphic features, Hirschsprung disease (HSCR), and brain anomalies. The kinesin family binding protein (KIFBP; MIM 60937) gene has been identified as the responsible gene of the syndrome. To date, 16 different biallelic KIFBP mutations have been identified in 34 patients with GOSHS. Even though most of these mutations are nonsense and frameshift, 3 missense mutations have also been described. Here, we report an 18-month-old patient with microcephaly, developmental delay, dysmorphic features and HSCR. Exome analysis was performed to clarify the etiology of the clinical features. A previously unreported homozygous c.1723delC (p.H575Ifs*19) variant was detected in the last exon 7 of KIFBP which led to GOSHS. According to our findings, we suggest that this mutation expands mutational databases and contributes to the understanding of the phenotypic features of the syndrome.
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