Table I.

Primer sequences for reverse transcription-quantitative polymerase chain reaction.

Gene	Primer sequence	Product size (bp)
HIF-1α		90
Forward	5′-CTGCCACCACTGATGAATTA-3′
Reverse	5′-GTATGTGGGTAGGAGATGGA-3′
Vimentin		106
Forward	5′-CCTTGAACGCAAAGTGGAATC-3′
Reverse	5′-GACATGCTGTTCCTGAATCTGAG-3′
β-actin		101
Forward	5′-GATCATTGCTCCTCCTGAGC-3′
Reverse	5′-ACTCCTGCTTGCTGATCCAC-3′

HIF-1α, hypoxia-inducible factor 1α.