Correlation Analysis of Serum miR-345,miR-138 and miR-22 with Chemotherapy Sensitivity in Advanced Gastric Cancer Patients
[Objective]To explore serum microRNA-345(miR-345)The correlation between miR-138 and miR-22 and chemotherapy sensitivity in advanced gastric cancer patients.[Methods]A total of 100 patients with advanced gastric cancer who received the same chemotherapy regimen were divided into an effective group of 69 cases and an ineffective group of 31 cases based on their efficacy.The clinical and pathological character-istics and serum related indicators of the two groups were compared,and the receiver operating characteristic(ROC)curve was plotted.The serum miR-345 was analyzed.The value of miR-138 and miR-22 in predicting the chemotherapy efficacy of advanced gastric cancer was analyzed using multivariate logistic regression to i-dentify the factors that affect the chemotherapy efficacy of patients.[Results]The relative expression level of serum miR-345 in stage Ⅲ patients was low than those of stage Ⅳ patients(P<0.05).The relative expres-sion levels of miR-138 and miR-22 were higher than those of stage Ⅳ patients(P<0.05);miR-345 in the ef-fective group was lower than that in the ineffective group,miR-138 and miR-22 were higher than those in the ineffective group(P<0.05).Confirmed by ROC analysis,serum miR-345,miR-138 and miR-22 can be used to predict the chemotherapy efficacy of advanced gastric cancer,with sensitivity and specificity of 0.855,0.935,0.971,0.839,and 0.884,0.903,respectively(all P<0.05).Multivariate logistic regression analysis showed that the pathological stage Ⅳ,miR-345≥14.5,miR-138≤2,and miR-22≤3.12 were risk factors for poor chemotherapy efficacy in advanced gastric cancer patients(P<0.05).[Conclusion]Serum miR-345≥14.5,miR-138≤2 and miR-22≤3.12 are both risk factors for poor chemotherapy efficacy,and can be used as biological markers to evaluate the chemotherapy efficacy of patients.
Stomach NeoplasmsMicroRNAsAntineoplastic AgentsCorrelation of Data