The correlation between tnm and YY1 and P53 mRNA expression in nasopharyngeal cancer

Abstract

Nasopharyngeal cancer is the fifth most severe malignant disease in the head and neck in the human body. The main treatment is chemoradio therapy. The protein gene 53 (p53) is a tumor suppressor gene. YinYang1 (YY1) is a transcription factor having an important role in cell cycle control. YY1 can function as an activator, suppressor or initiator of the gene transcription process. This research aims to see the relationship between p53 mRNA gene expression and YY1 mRNA gene expression on the NPC TNM Stage. Materials andmethods cross-sectional research at 20 WHO type 3 NPC in which 3 samples after chemoradiotherapy, 17 non-chemoradio therapy samples consisted of 8 stage two samples, 7 stage three samples and 2 stage four samples. With RT-PCR, YY1 mRNA gene expression and p53 mRNA gene expression were measured, then the T-test was independent of the average chemoradio therapy group. It was concluded, at a higher NPC stage, the level of YY1 mRNA gene expression was relatively higher while p53 expression was lower. Post-chemoradio therapy levels of p53 mRNA gene expression were higher and YY1 expression was lower than in the non-chemoradio therapy group.

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