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Sequence Evaluation of FGF and FGFR Gene Conserved Non-Coding Elements in Non-Syndromic Cleft Lip and Palate Cases
Journal article   Peer reviewed

Sequence Evaluation of FGF and FGFR Gene Conserved Non-Coding Elements in Non-Syndromic Cleft Lip and Palate Cases

Bridget M RILEY and Jeffrey C MURRAY
American journal of medical genetics. Part A, Vol.143(24), pp.3228-3234
2007
DOI: 10.1002/ajmg.a.31965
PMCID: PMC2680818
PMID: 17963255

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Abstract

Non-syndromic cleft lip and palate (NS CLP) is a complex birth defect resulting from multiple genetic and environmental factors. We have previously reported the sequencing of the coding region of genes in the fibroblast growth factor (FGF) signaling pathway, in which missense and non-sense mutations contribute to approximately 5%-6% NS CLP cases. In this article we report the sequencing of conserved non-coding elements (CNEs) in and around 11 of the FGF and FGFR genes, which identified 55 novel variants. Seven of variants are highly conserved among >/=8 species and 31 variants alter transcription factor binding sites, 8 of which are important for craniofacial development. Additionally, 15 NS CLP patients had a combination of coding mutations and CNE variants, suggesting that an accumulation of variants in the FGF signaling pathway may contribute to clefting.
Medical Genetics Biological and medical sciences Medical sciences Facial bones, jaws, teeth, parodontium: diseases, semeiology Otorhinolaryngology. Stomatology Non tumoral diseases

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