Table 3. Inhibition of ZEB1 by RNAi.

	Fold difference vs. mock-transfected cells
Treatment	ZEB1 mRNA	E-cadherin mRNA
Mock	1.0	1.0
ZEB-188	−6.5	2.2
Mock + lithium	1.0	15
ZEB-188 + lithium	−4.0	23
Mock + TSA	−2.3	64
ZEB-188 + TSA	−7.0	223

H661 cells were mock-transfected, transfected with the indicated siRNA as described in the text, or treated with siRNA and either TSA or Li⁺. The Ct values were normalized to GAPDH, and the fold induction was calculated as in Table 1.