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Journal of Modern Laboratory Medicine ; (4): 52-55,58, 2018.
Artículo en Chino | WPRIM | ID: wpr-696162

RESUMEN

Objective To investigate the expression and clinical significance of plasma microRNA 10b (miRNA-10b) in patients with cervical cancer.Methods The levels of plasma miRNA-10b,SCCA and CEA were detected by RT-PCR in 168 patients with cervical cancer,68 patients with CIN (CIN group) and 45 healthy women (control group),analyzed the relation between miRNA 10b expression and clinicopathological features of cervical cancer.The sensitivity and specificity of miRNA-10b,SCCA and CEA in the diagnosis of cervical cancer were evaluated by ROC curve,and the relationship between three indexes and cervical cancer were analyzed by multivariate Logistic regression model.Correlation analysis of plasma miRNA-10b and SCCA,CEA in patients with cervical cancer was analysed by Pearson.Results The levels of miRNA-10b,SCCA and CEA in the cervical cancer group were significantly higher than those in the CIN group and the control group[miRNA-10b(2-△△Ct):5.83± 1.84 vs 2.64±0.92 and 2.38±0.75;SCCA(ng/ml):8.74±2.26 vs 1.97±0.62 and 0.61±0.15;CEA (ng/ml):5.71±2.15 vs 1.56±0.58 and 1.34±0.16,F=17.842,13.614,8.273,all P<0.01].The level of plasma miRNA-10b expression was correlated with clinical stage,lymph node metastasis,depth of invasion and SCCA level in patients with cervical cancer(t/F=19.287,21.528,5.672,5.284,P<0.05).Plasma miRNA-10b,SCCA and CEA and three combined diagnosis of cervical cancer of AUC (95%CI) were 0.836(0.752~0.924),0.795(0.722~0.875),0.664(0.596~0.738) and 0.882(0.794~0.958),respectively.The optimal cut-off values were 4.26,6.58 ng/ml and 4.05 ng/ml,respectively.Logistic regression analysis showed that elevated plasma miRNA-10b and SCCA levels were independent risk factors for cervical cancer[OR(95%CI)=1.816(1.629~2.483),OR(95%CI) =1.427(1.206~ 1.975)].Plasma miRNA-10b was positively correlated with SCCA in patients with cervical cancer(r=0.637,P<0.01).Conclusion Plasma miRNA-10b will be expected to be a molecular marker for the early diagnosis of cervical cancer.The combination of SCCA and CEA can improve the diagnostic accuracy of cervical cancer.

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