Influence of Serum TGF-β1 and EGFR Levels on the Therapeutic Effect of High-Dose AraC in Patients with Acute Myeloid Leukemia Based on the Decision Curve / 中国实验血液学杂志

OBJECTIVE@#To analyze the influence of serum levels of transforming growth factor-β1 (TGF-β1) and epidermal growth factor receptor (EGFR) on the therapeutic effect of high-dose cytarabine (HD-AraC) in patients with acute myeloid leukemia (AML).@*METHODS@#98 patients with AML treated in our hospital from January 2019 to June 2020 were selected as the research subjects, all patients were treated with HD-AraC for 1 course of treatment every week. The effect of 2 groups were evaluated during after one course of treatment and divided into effective group and ineffective group, statistical table of baseline data was designed, the baseline data of 2 groups were counted in detail, the baseline data and serum levels of TGF-β1 and EGFR of 2 groups were compared, Logistic regression analysis was used to examine the relationship between the levels of serum TGF-β1, EGFR and the therapeutic effect of HD-AraC in patients with AML, the value of serum TGF-β1 and EGFR levels in predicting the therapeutic effect of HD-AraC in AML patients was analyzed based on ROC curve and decision curve.@*RESULTS@#After 1 course of treatment, among the 98 patients, 26 cases had complete remission, 38 cases had partially remission and 34 cases no remission, the total effective rate was 65.31% (64/98); after comparing data of 2 groups, Logistic regression analysis showed that the overexpression of serum EGFR before treatment might be a risk factor for the ineffective treatment of HD-AraC in AML patients (OR>1, P<0.05), overexpression of serum TGF-β1 before treatment might be a protective factor for the ineffective treatment of HD-AraC in AML patients (OR<1, P<0.05); the ROC curve results showed that the AUC of serum EGFR and TGF-β1 before treatment in predicting the risk of ineffective HD-AraC treatment in AML patients were >0.70, which had certain predictive value. The decision curve results showed that in the threshold range of 0.15-044, the prediction model combined with serum EGFR and TGF-β1 levels in predicting the net benefit rate of HD-AraC treatment in AML patients was better than that of serum EGFR or serum TGF-β1 alone.@*CONCLUSION@#The levels of serum TGF-β1 and EGFR affect the therapeutic effect of HD-AraC in patients with AML and increase the risk of ineffective treatment, serum TGF-β1 and EGFR can be used to predict the risk of ineffective HD-AraC treatment in AML patients, and the combined prediction of net benefit rate is higher.

Expression and Clinical Significance of CD73 in Acute Myeloid Leukemia Patients with NPM1 Mutation / 中国实验血液学杂志

OBJECTIVE@#To investigate the expression of CD73 in acute myeloid leukemia (AML) patients with NPM1 mutant and wild-type, and to evaluate the therapeutic efficacy and prognosis of CD73 to the AML patients.@*METHODS@#160 patients with AML treated in our hospital from June 2015 to June 2019 were enrolled, and 40 non-AML bone marrow samples from healthy people were selected as controls during the same period. The expression of CD73 in healthy people, NPM1 mutation and NPM1 wild-type AML patients were compared, and the relationship between the expression of CD73 and its clinicopathological characteristics, as while as efficacy in AML patients were analyzed. The patients were followed up, and the influence of CD73 to the prognosis of different AML patients was analyzed.@*RESULTS@#The positive expression rate of CD73 in AML patients (23.75%) was significantly higher than that in the healthy control group (0.62%), and the positive expression rate of CD73 in AML patients with NPM1 mutation (74.75%) was significantly higher than that with NPM1 wild-type (25.51%) (both P<0.001). AML patients with CD73 positive expression was associated with age, FAB typing, disease risk classification, and NPM1 gene mutation (both P<0.05). The overall survival rate of AML patients with NPM1 gene mutation was 75.98%, which was significantly higher than the patients with NPM1 wild-type (34.68%)(P<0.001), the median survival time of AML patients with NPM1 gene mutation in the CD73@*CONCLUSION@#The expression of CD73 was increased in AML patients with NPM1 gene mutation, and CD73 showed different prognostic significance in AML patients with different NPM1 gene mutation. The combination of clinicopathologic features, CD73 expression and NPM1 gene in AML patients is helpful to determine their prognosis and guide the formulation of relevant treatment plans.