首页|MicroRNA-181b-5p insufficiency predicts treatment response failure risk and unfavorable event-free survival as well as overall survival in acute myeloid leukemia patients
MicroRNA-181b-5p insufficiency predicts treatment response failure risk and unfavorable event-free survival as well as overall survival in acute myeloid leukemia patients
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NSTL
The present study aimed to explore the correlation of microRNA (miR)-181b-5p expression with treatment response and long-term prognosis in acute myeloid leukemia (AML) patients. miR-181b-5p was detected in the bone marrow of 84 AML patients before therapy. After induction therapy, the patients exhibiting complete remission (CR) were recorded. Next, event-free survival (EFS) and overall survival (OS) were calculated. miR-181b-5p had excellent potential to discriminate AML patients from healthy donors [area under the curve (AUC): 0.922, 95% confidence interval (CI): 0.873-0.971)]. In addition, miR-181b-5p expression was decreased in AML patients with the FLT3-ITD mutation (P=0.032) or WT1 mutation (P=0.017) when compared to AML patients without these genetic mutations. Meanwhile, miR-181b-5p expression was negatively correlated with the National Comprehensive Cancer Network (NCCN) risk classification of AML (P=0.036). Furthermore, miR-181b-5p expression was elevated in CR AML patients compared to non-CR AML patients (P=0.030). Moreover, higher miR-181b-5p expression was associated with favorable accumulating EFS (P=0.001) and OS (P=0.024). In addition, higher miR-181b-5p expression was independently associated with better EFS (hazard ratio: 0.698, P=0.012). In conclusion, miR-181b-5p insufficiency is associated with induction therapy response failure, unfavorable accumulating EFS and OS in AML patients.
NSTL
