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Mutational analysis of CDKN2A gene in a group of 390 larynx cancer patients.

Lookup NU author(s): Dr Martyna Pastok

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Abstract

CDKN2A gene belongs to the genes involved in cell cycle regulation. When is absent or inactivated by mutation or promoter hypermethylation a cell may undertake an uncontrolled proliferation. Inactivation of CDKN2A gene is observed in many human malignancies, including larynx cancer. In this study we investigated mutations in exon 1 and exon 2 of CDKN2A gene in a large group of 390 laryngeal cancers. We found 40 different alterations (17%) and nearly half of them was not described previously. Out of these alterations two transversions in codon 108: c.322G>C (Asp108His) and c.322G>T (Asp108Tyr) as well as a G>A transition in codon 110 (Trp110X) were found more frequently (altogether: 7 cases in codon 108 and 10 cases in codon 110). This result, concerning the location of these codons in the ankyrin repeat structures, may suggest that these two codons may be critical hot-spots in larynx carcinogenesis.


Publication metadata

Author(s): Kiwerska K, Rydzanicz M, Kram A, Pastok MW, Antkowiak A, Domagala W, Szyfter K

Publication type: Article

Publication status: Published

Journal: Molecular Biology Reports

Year: 2010

Volume: 37

Issue: 1

Pages: 325-332

ISSN (print): 0301-4851

ISSN (electronic): 1573-4978

Publisher: Springer Netherlands

URL: http://dx.doi.org/10.1007/s11033-009-9731-z

DOI: 10.1007/s11033-009-9731-z


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