Additional file 3.

Figure S3. Overexpression of ZIC1 inhibits the expression of Shh mRNA. AGS and SGC7901 cells were stably transfected with pCDNA3.1-ZIC1 or empty vector pCDNA3.1. The expression levels of ZIC1 and Shh mRNA were performed by RT-PCR. GAPDH was used as an internal control.

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Zhong et al. BMC Cancer 2012 12:290   doi:10.1186/1471-2407-12-290