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Int J Prev Med. 2019 Aug 1;10:129. doi: 10.4103/ijpvm.IJPVM_50_17. eCollection 2019.

Identification of R249 Mutation in P53 Gene in Tumoral Tissue of Tongue Cancer.

Author information

1
Department of ENT, Isfahan University of Medical Sciences, Isfahan, Iran.

Abstract

Background:

Tongue cancer is the most common malignancy of the mouth. In recent decades, reported tongue cancer incidence and mortality rates have increased all over the world while survival has not improved that sometimes is related to mutation, especially in gene P53 (such R249, R248 mutations). Hence, this study aimed to identification of R249 mutation in P53 gene of tumor tissue in tongue cancer.

Methods:

In a cross-sectional study, 48 patients with squamous cell carcinoma (SCC) of tongue were selected, and mutation of R249 was investigated in sample of tumors. In addition, demographic data and medical history of patients were determined and registered in a collected data form. Finally added data were entered to computer and analyzed by SPSS software.

Results:

Polymerase-chain reaction test done on tissue samples from cancer patients showed that in a studied sample of 48 patients, 4 of them (8.3%) had R249 mutation. After selecting the codon 249 as a hotspot in oral cancer, forward and reverse primers for amplification of exon 7 were obtained from the articles.

Conclusions:

Considering the findings of our study, R249 mutation in P53 gene in patients with SCC is relatively high. Age and alcohol consumption were factors affecting incidence of the mutation. It is necessary to take an early treatment with a single lesion of tongue to prevent severe disease and prevent disease in patient's family with screening test and prevent cancer in future with gene therapy.

KEYWORDS:

Gene P53; mutation and R249; tongue squamous cell carcinoma

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