期刊
JOURNAL OF TRANSLATIONAL MEDICINE
卷 19, 期 1, 页码 -出版社
BMC
DOI: 10.1186/s12967-021-02873-8
关键词
Acute myeloid leukemia; Wnt; PCP signaling; PRICKLE1; Prognosis
资金
- National Natural Science Foundation of China [81570117]
- Natural Science Foundation of Hunan Province [2018JJ2651]
The study found that PRICKLE1 expression levels were significantly higher in AML patients at diagnosis, decreased after complete remission, and increased again at relapse. High PRICKLE1 expression was associated with drug resistant AML cells and monocytic-AML patients, as well as with poor prognosis in FLT3/DNMT3A/IDH1/IDH2-mutant AML.
BackgroundPrickle planar cell polarity protein 1 (PRICKLE1), a core component of the non-canonical Wnt/planar cell polarity (PCP) pathway, was recently reported to be upregulated and correlated with poor prognosis in solid cancers. However, the effect of PRICKLE1 on acute myeloid leukemia (AML) remains unknown. This study aims to characterize the prognostic significance of PRICKLE1 expression in patients with AML.MethodsRNA-seq was performed to compare mRNA expression profiles of AML patients and healthy controls. qRT-PCR and western blotting were used to analyze the expression of PRICKLE1 in AML patients and cell lines, and two independent datasets (TCGA-LAML and TARGET-AML) online were used to validate the expression results. The correlations between the expression of PRICKLE1 and clinical features were further analyzed.ResultsOur data showed that PRICKLE1 expression levels were markedly high in AML patients at the time of diagnosis, decreased after complete remission and increased again at relapse. Of note, PRICKLE1 was highly expressed in drug resistant AML cells and monocytic-AML patients. High PRICKLE1 expression was found in FLT3/DNMT3A/IDH1/IDH2-mutant AML and associated with poor prognosis. Furthermore, high expression of PRICKLE1 may be correlated with migration and invasion components upregulation in AML patients.ConclusionsThese results indicated that high PRICKLE1 expression may be a poor prognostic biomarker and therapeutic target of AML.
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