Abstract
Diffuse large B-cell lymphoma (DLBCL) is the most common subtype of malignant non-Hodgkin lymphoma cases. An increasing body of evidence has indicated the critical roles of microRNAs (miRNAs) in regulating the progression of DLBCL. In this study, we found that miR-645 was up-regulated in DLBCL tissues and cell lines. Down-regulation of miR-645 significantly inhibited the proliferation, cell cycle progression and promoted the apoptosis of DLBCL cells. Experimental study identified Dachshund family transcription factor 1 (DACH1) as a target of miR-645. MiR-645 bound the 3′-untranslated region of DACH1 and reduced the expression of DACH1 in DLBCL cells. Decreased expression of DACH1 was inversely correlated with that of miR-645 in DLBCL tissues. The promoting effect of miR-645 on the proliferation of DLBCL cells was attenuated with the overexpression of DACH1. These results demonstrated the novel mechanism of miR-645 in DLBCL, which indicated miR-645 as a potential target for the diagnosis and prognostics of DLBCL.
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This work was supported by the Cangzhou Science and Technology Support Technology Project (No. 141302108).
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Wang, R., Shen, J., Su, N. et al. MiR-645 regulates the proliferation and apoptosis of diffuse large B-cell lymphoma by targeting DACH1. Human Cell 33, 1091–1098 (2020). https://doi.org/10.1007/s13577-020-00321-1
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DOI: https://doi.org/10.1007/s13577-020-00321-1