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CDK7 knockdown inhibited ICC cell invasion and migration in vitro. A and B. The cells transfected with CDK7 siRNA or non-targeting control siRNA for 48 h were used in the invasion (A) and migration (B) assay. The cells that reached the bottom of the membrane were photographed (200× magnification), extracted, and counted. The results are presented as mean ± SD of three independent experiments (*P<0.05, **P<0.01, ***P<0.001, according to a Student's t-test).
