F) Recombinant human LIF proteins stimulated growth of BCE cells in a dose-dependent manner. BCE cells were cultured in the presence of vehicle, VEGF (10 ng/ml) and the indicated concentrations of recombinant human LIF (rhLIF, Sigma), n=3. Data information: Bars and error bars represent mean ± SD. All experiments were carried out in three independent studies. Two-way ANOVA was used as statistical test. ns, not statistically significant. 