Journal
GENE
Volume 751, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.gene.2020.144726
Keywords
Acute lymphoblastic leukemia; circRNAs; Circ-0000745; Cell proliferation; ERK pathway
Categories
Funding
- Sanming Project of Medicine in Shenzhen [SZSM201601062]
- High-level Hospital Construction Research Project of Maoming People's Hospital
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Acute lymphoblastic leukemia (ALL) is a common hematologic malignancy. Circular RNAs (circRNAs) have been reported as an important factor in regulating cellular process expressed in all hematopoietic compartment. But the molecular mechanism of circRNAs in ALL remain unclear. In this study, we observed circ-0000745 upregulated in leukemia cells (Kasumi-1 and KG-1). Upregulated the expression of circ-0000745 significantly enhanced the proliferation of Kasumi-1 and KG-1 cells, and reduced the ratio of apoptosis cells. Knock down the endogenous expression of circ-0000745 suppressed the cell proliferation and increased the ratio of apoptosis cells. Furthermore, western blot assay showed that overexpression of circ-0000745 increased the activity of ERK1/2. Altogether, these results revealed that upregulated circ-0000745 in leukemia cells could promoter cell viability by increasing the activation of ERK pathway. This study supported the important of circRNAs in the process of acute lymphoblastic leukemia, and provided a new biomarker on ALL diagnosis and therapy.
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