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The clinical value of induced sputum DKK3 gene methylation in the evaluation of disease condition and prognosis for non-small cell lung cancer / 中国医师进修杂志
Chinese Journal of Postgraduates of Medicine ; (36): 705-709, 2021.
Article in Chinese | WPRIM | ID: wpr-908662
ABSTRACT

Objective:

To study the clinical value of induced sputum DKK3 gene methylation in the evaluation of disease condition and prognosis for non-small cell lung cancer (NSCLC).

Methods:

Eighty NSCLC patients (observation group) and 50 benign lung disease patients (control group) who were treated in Linshu County People′s Hospital of Shandong Province from January 2015 to December 2017 were enrolled. Methylation specific polymerase chain reaction (PCR) was used to detect the induced sputum DKK3 gene methylation. The DKK3 gene methylation rates in different clinicopathological factors were compared.

Results:

The DKK3 gene methylation rate in observation group was significantly higher than that in control group 81.3%(65/80) vs. 2.0%(1/50), the difference was statistically significant ( P<0.05). The DKK3 gene was methylated in lung cancer cells, and was unmethylated in normal lung epithelial cells BEAS-2B. The DKK3 gene methylation rates had correlation with pleural effusion, degree of differentiation, tumor diameter, lymph node metastasis, distant metastasis and TNM staging ( P<0.05). The R0 radicalresection, 3-year survival rate and total survival time in patients with DKK3 gene methylated were significantly lower than those in patient with DKK3 gene unmethylated 53.8%(35/65) vs. 15/15, 28.1% vs. 37.9%, (1.8 ± 0.3) years vs. (2.1 ± 0.6) years, the differences were statistically significant ( P<0.05).

Conclusions:

The induced sputum DKK3 gene methylation rate in NSCLC patients is significantly higher and is related with prognosis. The induced sputum DKK3 gene methylation may provide basis for evaluating of disease condition and prognosis for NSCLC patients.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of Postgraduates of Medicine Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of Postgraduates of Medicine Year: 2021 Type: Article