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SALL4 acts as a downstream effector in miR-181b-mediated malignant phenotypes of U251 cells. miR-181b-overexpressing U251 cells were transfected with SALL4 expression plasmid or blank vector. (A) RT-PCR and (B) Western blot were used to examine the mRNA and protein levels of SALL4. (C) MTT, (D) wound healing, and (E) Transwell assays were conducted to examine cell proliferation, migration, and invasion. **p < 0.01 versus miR-181b + blank.
