Figure 6.
CDK15 does not regulate the tumor cell proliferation. (A) Expression statuses of CDK15 in three breast cancer cell lines were detected, which the cells were transfected with vector control and lenti-virus plasmid encoding CDK15. (B) CDK15 was knocked down in MCF12A cells by a set of shRNAs. (C) The effects of CDK15 over-expression on the proliferation of breast cancer cell lines were detected by CCK8 assay (NS, P > 0.05). (D) Cell-cycle analyses of breast cancer cell lines were done by flow cytometry when CDK15 was over-expressed (NS, P > 0.05). (E,F) Cell proliferation rate was detected in vector control and CDK15-knockdown MCF12A cells (E, CCK-8 assay; F, Cell cycle analyses; NS, P > 0.05).