期刊
BMC MEDICINE
卷 19, 期 1, 页码 -出版社
BMC
DOI: 10.1186/s12916-020-01898-y
关键词
Acute myeloid leukemia; Prognosis; Circular RNAs; RNA sequencing
资金
- National Natural Science Foundation of China [81820108004]
- Zhejiang Provincial Natural Science Foundation of China [LY19H080009, LY20H080008]
Through circRNA sequencing and cellular metabolomic analysis, we identified that the expression of hsa_circ_0075451 may independently contribute to the poor prognosis of AML, presenting a novel therapeutic target.
Background: Although there are many clinical and molecular biomarkers in acute myeloid leukemia (AML), the novel and reliable biomarkers are still required to predict the overall survival at the time of disease diagnosis. Methods:In order to identify independent predictors, we firstly selected 60 cytogenetically normal AML (CN-AML) patients using the propensity score analysis to balance the confounders and performed circular RNA (circRNA) sequencing. Next, one outcome related to circRNA was selected and validated in the independent cohort of 218 CN-AML patients. We then constructed circRNA-miRNA-mRNA regulated network and performed cellular metabolomic analysis to decipher the underlying biological insights. Results: We identified 308 circRNAs as independent candidate predictors of overall survival. Hsa_circ_0075451 expression was validated as an independent predictor with a weak predictive ability for overall survival. The regulated network of this circular RNA indicated 84 hub genes that appear to be regulated by 10 miRNAs sponged by hsa_circ_0075451. The regulatory axis of hsa_circ_0075451 -vertical bar miR-330-5p/miR-326 -| PRDM16 was validated by the dual luciferase report assay, fluorescence in situ hybridization, and ShRNA interference assay. Conclusions: Our data demonstrates that hsa_circ_0075451 expression may independently contribute to the poor prognosis of AML and present a novel therapeutic target.
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