Table 1.

Real-time PCR primers.

Gene	Forward	Reverse
GAPDH	GAA GGT GAA GGT CGG GTC	GAAGATGGTGATGGGATTTC
HIF-1α	TTAGACTTGGAGATGTTAGC	TTAGCAGTAGGTTCTTGTATT
CDH1	ATC CTG TCT GAT GTG ATG	GTG TTA GTT CTG CTG TGA
MMP9	GTG ACC TAT GAC ATC CTG	CCT CCA GAA CAG AAT ACC
P53	CAG CAT CTT ATC CGA GTG	CAG TGT GAT GAT GGT GAG