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d the effect was time-dependent manner (r=0.804). The inhibition of miR-96 on HL60 cells apoptosis was also confirmed with flow cytometry.<br />MiR-96 has significant negative effect on invasion and apoptosis of AML cells by targeting regulation MYB, and it might be a potential novel strategy for pediatric AML treatment.<br />MiR-96 has significant negative effect on invasion and apoptosis of AML cells by targeting regulation MYB, and it might be a potential novel strategy for pediatric AML treatment.<br />To investigate the significance of low-density lipoprotein receptor-related protein 5 and 6 (LRP5/6) in the Wnt/β-catenin signaling pathway in the pathogenesis and prognosis of childhood acute lymphoblastic leukemia (ALL).<br />A total of 43 children who were newly diagnosed and achieved complete remission after remission induction therapy were enrolled. The children before treatment were included in incipient group, and after treatment when achieved complete remission included in remission group. A total of 39 children with immune thrombocytopenia were enrolled in control group. Three milliliter bone marrow samples were collected from above-mentioned each group. QRT-PCR was used to determine the mRNA expression of LRP5 and LRP6 in blood mononuclear cells of bone marrow. [https://www.selleckchem.com/products/Irinotecan-Hcl-Trihydrate-Campto.html Irinotecan manufacturer] Western blot was used to detect the protein expression of LRP5 and LRP6. According to the protein expression levels of LRP5 and LRP6, the children were divided into low-expression group and high-expression group, and the clinical biological ch survival rate was (91.7±4.7)% and (87.6±5.2)%, respectively.<br />The high expression of LRP5/6 may be one of the pathogenesis of childhood ALL, and the degree of LRP5/6 increase may be related to the risk level.<br />The high expression of LRP5/6 may be one of the pathogenesis of childhood ALL, and the degree of LRP5/6 increase may be related to the risk level.<br />To detect the level of vascular endothelial growth factor (VEGF) in bone marrow of patients with non-M3 acute leukemia (AL), and estimate its relationship with prognosis.<br />From January 2016 to December 2019, 114 patients with AL in department of Hematology, Wuwei People's Hospital were selected as study group, and 25 healthy volunteers were enrolled as control group. The concentration of VEGF in bone marrow was detected by ELISA. The patients were divided into high and low concentration group according to the level of VEGF. The overall survival (OS) and event-free survival (EFS) were compared among different groups.<br />The level of VEGF in patients with AL was significantly higher than that in the control group. The median OS and EFS in the low concentration group was 34.5 and 32 months, respectively, while, in the high concentration group was 30 and 26 months, respectively. The differences between the two groups were statistically significant (P=0.010). There were significant differences in OS rate (P=0.035) and EFS rate (P=0.026) between low and high concentration group. Multivariate analysis showed that high VEGF concentration was an independent risk factor affecting OS (HR=2.619, 95%CI 1.070-6.406, P=0.035) and EFS (HR=2.221, 95%CI 1.074-4.552, P=0.031) in AL patients.<br />VEGF highly expresses in the bone marrow of patients with AL at initial diagnosis and relapse, and shows adverse effects on the prognosis.<br />VEGF highly expresses in the bone marrow of patients with AL at initial diagnosis and relapse, and shows adverse effects on the prognosis.<br />To investigate the effect of tumor necrosis factor death receptor (DR) 4 demethylation to the proliferation and apoptosis of myeloid leukemia K562 cells.<br />The logarithmic phase of K562 cells were treated by desitabine (DCA) at 0, 0.8, 1.6 and 3.2 μmol/L, and the cells were divided into control group, DCA low dose group, DCA medium dose group and DCA high dose group respectively. The cells in control group were treated by tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) 0.5 μg/ml for 24 h, and the cells were divided into TRAIL group. The cells in DCA high dose group were treated by TRAIL 0.5 μg/ml for 24 h, and were divided into DCA high dose + TRAIL group. Methylation-specific polymerase chain reaction (MS-PCR) was used to measure the methylation status of the DR4 gene promoter in the control group and DCA low, medium and high dose groups. Real-time fluorescent quantitative polymerase chain reaction (qRT-PCR) and Western blot were used to determine the relative expression of DR4 mRNA and proand 72 h.<br />DCA can reverse the methylation level of DR4 gene promoter in ML K562 cells and up-regulate the expression of DR4, which may enhance the proliferation inhibition and apoptosis promotion effects of TRAIL on K562 cells.<br />DCA can reverse the methylation level of DR4 gene promoter in ML K562 cells and up-regulate the expression of DR4, which may enhance the proliferation inhibition and apoptosis promotion effects of TRAIL on K562 cells.<br />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.<br />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.<br />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 NPMlpful to determine their prognosis and guide the formulation of relevant treatment plans.<br />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.