Comprehensive examination of somatic oncogene mutation in normal and pathologic thyroid tissues

Tobiás, Bálint; Balla, Bernadett; Kósa, P. János; Horanyi, J; Takács, István; Bölöny, Eszter; Halászlaki, Csaba; Nagy, Zsolt; Szabó, Gábor; Járay, Balázs; Székely, Eszter; Istók, Roland; Peter, Luisa

doi:10.1556/oh.2011.29097

Cited by 3 publications

(1 citation statement)

References 17 publications

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“…It is known that the oncogene mutations of the RAS family gene are associated with the development of thyroid cancer 30-32. KRAS gene variations are the predominated RAS mutations in most types of cancer 24.…”

Section: Discussionmentioning

confidence: 99%

Association between the KRAS Gene Polymorphisms and Papillary Thyroid Carcinoma in a Chinese Han Population

Ning

Rao

et al. 2016

J. Cancer

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Several studies have reported the association between MAPK signaling pathway gene polymorphisms and papillary thyroid carcinoma (PTC). KRAS gene, an oncogene from the mammalian RAS gene family plays an important role in the MAPK pathway. This study aimed to identify the potential association of KRAS gene polymorphisms with susceptibility to PTC in a Han Chinese population.A total of 861 patients with PTC, 562 disease controls with nodular goiter and 897 healthy controls were recruited. Four tagSNP polymorphisms (rs12427141, rs712, rs7315339 and rs7960917) of KRAS gene were genotyped by matrix-assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF-MS). Statistical analyses and haplotype estimations were conducted using Haploview and Unphased softwares.Only significant differences were observed in genotypic frequencies of the rs7315339 polymorphism (χ2 =7.234, df=2, p=0.027) between PTC and disease controls. Statistically significant differences in both allelic and genotypic genotypes frequencies for rs712 (Genotype, χ2=8.258, p=0.016) and rs12427141 (Allele, χ2=3.992, p=0.046; Genotype, χ2=8.140, p=0.017) were observed between PTC patients and controls. Haplotype analyses revealed higher frequencies of GA and TA haplotypes (p=0.039 and p=0.003, respectively) from rs712- rs12427141 (two-SNP) or TGA and TTG haplotype containing the alleles from rs7960917, rs712 and rs12427141, as well as the GAT haplotype containing the alleles from rs712, rs12427141 and rs7315339 in PTC patients than in healthy controls (p=0.042, p=0.037, p=0.027, respectively). Inversely, the haplotype TTA from rs7960917, rs712 and rs12427141 or the haplotype TAC from rs712, rs12427141 and rs7315339 was significantly less frequent in the PTC patients than in normal control (p=0.003, p=0.003, respectively).These findings suggest the role of these KRAS gene variants in susceptibility to PTC. Moreover, significant differences of the KRAS gene polymorphisms may occur between nodular goiter and PTC.

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Section: Discussionmentioning

confidence: 99%