移码突变
错义突变
PTEN公司
生物
CDKN2A
桑格测序
遗传学
基因
癌症研究
突变
PI3K/AKT/mTOR通路
细胞凋亡
作者
Sílvia Ferreira de Sousa,Marina Gonçalves Diniz,Josiane Alves França,Thaís dos Santos Fontes Pereira,Rennan Garcias Moreira,Jean Nunes dos Santos,Ricardo Santiago Gomez,Carolina Cavaliéri Gomes
标识
DOI:10.1136/jclinpath-2017-204813
摘要
To identify calcifying epithelial odontogenic tumour (CEOT) mutations in oncogenes and tumour suppressor genes.A panel of 50 genes commonly mutated in cancer was sequenced in CEOT by next-generation sequencing. Sanger sequencing was used to cover the region of the frameshift deletion identified in one sample.Missense single nucleotide variants (SNVs) with minor allele frequency (MAF) <1% were detected in PTEN, MET and JAK3. A frameshift deletion in CDKN2A occurred in association with a missense mutation in the same gene region, suggesting a second hit in the inactivation of this gene. APC, KDR, KIT, PIK3CA and TP53 missense SNVs were identified; however, these are common SNVs, showing MAF >1%.CEOT harbours mutations in the tumour suppressor PTEN and CDKN2A and in the oncogenes JAK3 and MET. As these mutations occurred in only one case each, they are probably not driver mutations for these tumours.
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