Exp Clin Endocrinol Diabetes 2007; 115(9): 594-599
DOI: 10.1055/s-2007-981670
Article

© J. A. Barth Verlag in Georg Thieme Verlag KG · Stuttgart · New York

Prevalence of RAS Point Mutations in Papillary Thyroid Carcinoma; A Novel Mutation at Codon 31 of K-RAS

A. Cyniak-Magierska 1 , E. Brzeziańska 1 , J. Januszkiewicz-Caulier 1 , B. Jarząb 2 , A. Lewiński 1
  • 1Department of Endocrinology and Metabolic Diseases, Medical University of Lodz, Polish Mother's Memorial Hospital - Research Institute, Lodz, Poland
  • 2Centre of Oncology - MSC Institute, Gliwice, Poland
Further Information

Publication History

received 19. 07. 2006 first decision 08. 05. 2007

accepted 16. 05. 2007

Publication Date:
18 October 2007 (online)

Abstract

The aim of this study was to assess the incidence of point mutations in RAS oncogenes of papillary thyroid carcinoma (PTC). Tumour specimens were obtained from 29 PTCs. The fragments of exons 1 and 2 of RAS oncogenes family (H-RAS, K-RAS, N-RAS) were amplified and then, point mutations were detected by SSCP and/or by RFLP analysis. Several DNA samples were directly sequenced to confirm the results. Two mutations were found in this study (GAA/CAA at codon 31 of K-RAS and CAA/CAC at codon 61 of N-RAS oncogene). These data confirm the results of previous studies, showing that RAS mutations are more rarely found in PTC than in follicular neoplasms. The influence of a novel mutation at codon 31 of K-RAS oncogene on the development of PTC needs further studies.

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Correspondence

Prof. A. Lewiński

Department of Endocrinology and Metabolic Diseases

Medical University of Lodz Polish Mother's Memorial Hospital - Research Institute

Rzgowska St. No. 281/289

93-338 Lodz

Poland

Phone: +48/42/271 13 43

Fax: +48/42/271 13 43

Email: alewin@csk.umed.lodz.pl

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