Apparently synonymous substitutions in FGFR2 affect splicing and result in mild Crouzon syndrome.

Apparently synonymous substitutions in FGFR2 affect splicing and result in mild Crouzon syndrome.
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DOI:
10.1186/s12881-014-0095-4
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发表时间:
2014-08-31
影响因子:
--
通讯作者:
Wilkie AO
Wilkie AO
中科院分区:
医学4区
文献类型:
--
作者:
Fenwick AL;Goos JA;Rankin J;Lord H;Lester T;Hoogeboom AJ;van den Ouweland AM;Wall SA;Mathijssen IM;Wilkie AO

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成纤维细胞生长因子受体2 (FGFR2)突变在颅缝闭锁遗传病例中所占的比例高于任何其他基因,并且与广泛的临床问题严重程度相关。许多这些突变是高度复发的,它们的相关特征有很好的记录。Crouzon综合征通常是由FGFR2第三免疫球蛋白结构域的杂合错义突变引起的。在这里,我们描述了两个家族,每个家族分离不同的,以前未报道的相同核苷酸的FGFR2突变,c.1083A>G和c.1083A>T,两者编码Pro361密码子的明显同义变化。我们提供了实验证据,证明这些突变会影响正常的FGFR2剪接,并记录了临床后果,包括轻度Crouzon综合征表型和颅缝闭合外显率降低。这些观察结果增加了影响剪接的FGFR2突变列表,并为受这些特定突变影响的家庭提供重要的遗传咨询临床信息。
Mutations of fibroblast growth factor receptor 2 (FGFR2) account for a higher proportion of genetic cases of craniosynostosis than any other gene, and are associated with a wide spectrum of severity of clinical problems. Many of these mutations are highly recurrent and their associated features well documented. Crouzon syndrome is typically caused by heterozygous missense mutations in the third immunoglobulin domain of FGFR2. Here we describe two families, each segregating a different, previously unreported FGFR2 mutation of the same nucleotide, c.1083A>G and c.1083A>T, both of which encode an apparently synonymous change at the Pro361 codon. We provide experimental evidence that these mutations affect normal FGFR2 splicing and document the clinical consequences, which include a mild Crouzon syndrome phenotype and reduced penetrance of craniosynostosis. These observations add to a growing list of FGFR2 mutations that affect splicing and provide important clinical information for genetic counselling of families affected by these specific mutations.
DOI: 10.1038/sj.ejhg.5200499
发表时间: 2000-08-01
影响因子: 5.2
作者:
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发表时间: 2012-03-09
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发表时间: 2000-01-01
期刊: CYTOGENETICS AND CELL GENETICS
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