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HPV16 E6/E7 upregulate hTERC mRNA and gene amplification levels by relieving the effect of LKB1 on Sp1 phosphorylation in lung cancer cells.


ABSTRACT: Background:There is an immediate need for research on the mechanism underlying telomerase activation and overexpression. Materials & Methods:A total of 174 patients with lung cancer (n?=?106) and benign lung disease (n?=?68) were recruited for the current study. The mRNA expression levels of E6, E7, LKB1, Sp1, and hTERC in brushing cells were detected by quantitative reverse transcriptase polymerase chain reaction (qRT-PCR), and hTERC amplification was also detected by fluorescence in situ hybridization (FISH). To investigate the potential mechanism, bidirectional genetic manipulation was performed in well-established lung cancer cell lines. Results:Our results indicated that the mRNA expression levels of E6, E7, Sp1, and hTERC and the amplification level of hTERC were significantly increased in the malignant group compared with those of the benign group (p?

SUBMITTER: Yang JH 

PROVIDER: S-EPMC7243384 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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HPV16 E6/E7 upregulate hTERC mRNA and gene amplification levels by relieving the effect of LKB1 on Sp1 phosphorylation in lung cancer cells.

Yang Jing-Hua JH   Wu Ming-Zhe MZ   Wang Xu-Bo XB   Wang Shiyu S   Qiu Xue-Shan XS   Wang En-Hua EH   Wu Guang-Ping GP  

Therapeutic advances in medical oncology 20200512


<h4>Background</h4>There is an immediate need for research on the mechanism underlying telomerase activation and overexpression.<h4>Materials & methods</h4>A total of 174 patients with lung cancer (<i>n</i> = 106) and benign lung disease (<i>n</i> = 68) were recruited for the current study. The mRNA expression levels of E6, E7, LKB1, Sp1, and hTERC in brushing cells were detected by quantitative reverse transcriptase polymerase chain reaction (qRT-PCR), and hTERC amplification was also detected  ...[more]

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