Table I.

Primer sequences of HPV-E7, RB, E2F1 and GAPDH.

Gene name		Sequence
HPV-E7	Forward	5′-ATGTCACGAGCAATTAAGC-3′
	Reverse	5′-TTCTGGCTTCACACTTACAACA-3′
RB	Forward	5′-CCTCCTTAATTTGGGAAGGTTTGTG-3′
	Reverse	5′-GCCTAACCCATAATGACCCTTGATT-3′
E2F1	Forward	5′-CAATCTGCACTTTGATTTGCTTCC-3′
	Reverse	5′-CCCGAAATGTTCCCAACAGA-3′
GAPDH	Forward	5′-ATGGGGAAGGTGAAGGTGG-3′
	Reverse	5′-GGGGTCATTGATGGCAACAATA-3′

HPV, human papilloma virus; RB, retinoblastoma.