期刊
NEUROGENETICS
卷 12, 期 3, 页码 241-245出版社
SPRINGER
DOI: 10.1007/s10048-011-0283-8
关键词
FGF17; Cerebellum; Dandy-Walker malformation; Chromosome 8p
资金
- Telethon [GGP08145]
- Fondazione Pierfranco e Luisa Mariani ONLUS
- Italian Ministry of Health
Fibroblast growth factors (FGFs) are important signaling molecules which act during early vertebrate central nervous system development. FGF17, together with FGF8, is a key factor in the patterning of the mid-hindbrain region with a complex picture of spatiotemporal gene expression during the various stages of cerebellar development. Disruption or reduced expression of fgf17 in mice has been associated with cerebellar vermis abnormalities. We have identified a de novo 2.3-Mb deletion of chromosome 8p21.2-p21.3 in a girl with severe growth retardation, seizures, and classical Dandy-Walker malformation. Analysis of gene expression in blood lymphocytes and skin fibroblasts revealed markedly reduced levels of FGF17, which is located 1 Mb from the proximal deletion breakpoint. This is the first report of a human cerebellar malformation associated with transcriptional downregulation of the FGF17 gene.
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