期刊
MOLECULAR AND CELLULAR ENDOCRINOLOGY
卷 392, 期 1-2, 页码 8-13出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.mce.2014.04.016
关键词
Medullary thyroid cancer; Epigenetics; RET; RAS; Histone methylation
资金
- Umberto Di Mario Foundation
- Banca d'Italia
- Associazione Italiana per la Ricerca sul Cancro (AIRC) [IG 10296]
- Italian Government PRIN [200937N3ME_005, 20093WAPYK_003]
Epigenetic control of gene expression plays a major influence in the development and progression of many cancer types. Aim of the present study was to investigate the expression of epigenetic regulators in a large cohort of medullary thyroid carcinomas (MTC), correlating the data with the clinical outcome and mutational status of the patients. Taqman Low Density Arrays (TLDAs) were used to analyze expression levels of several genes involved in the epigenetic control of transcription in a series of 54 MTCs. The patients cohort included 13 familial MTCs and 41 sporadic forms; 33 hosted a RET mutation and 13 a RAS somatic mutation. The expression profiling revealed in the more aggressive diseases (i.e. occurrence of metastases; persistent disease; disease-related death) a significant increase of EZH2 and SMYD3 gene expression. The increased levels of EZH2 and SMYD3 did not correlate significantly with mutational status of RET or MS genes. Thus, the histone methyltransferases EZH2 and SMYD3 mRNA expression may represent useful prognostic biomarkers tailoring the most appropriate follow-up and timing of therapeutic approaches. (C) 2014 Elsevier Ireland Ltd. All rights reserved.
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