Background: This study aimed to assess the expression level of upstream stimulator 1 (USF1) in the bone marrow of newly diagnosed acute myeloid leukemia (AML) patients and investigate its clinical and prognostic significance.
Methods: Bone marrow samples from 60 newly diagnosed AML patients constituted the observation group, while 20 samples from healthy individuals formed the control group. Real-time quantitative PCR (qRT-PCR) was used to measure the USF1 expression in both groups and to analyze its correlation with clinicopathological features and prognosis in AML patients. Kaplan-Meier curves were utilized to assess the impact of USF1 on the overall survival (OS) in AML patients. The prognostic factors of AML were examined by using Cox regression analysis.
Results: A univariate analysis revealed a significantly higher USF1 expression in the AML patients compared to the control group (p < 0.001), with no difference in the clinicopathological features between the low-expression group and the control group. However, there was a significant difference between the high-expression group and the control group (p < 0.01). Moreover, the OS of the high USF1 expression group was notably shorter than of the low USF1 expression group (p < 0.0001). A multivariate analysis identified high USF1 expression and age ≥ 60 years as independent risk factors for a poor AML prognosis.
Conclusions: High expression of USF1 is linked to a worse prognosis and shorter survival time in AML patients. USF1 may serve as an indicator of prognosis and survival in AML patients and could be a potential target for AML treatment.
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