Table I.

Sequences of the primers used in PCR.

Gene	Primer	Sequence (5′-3′)
TACE	Forward	CCGAACGAGTTTACGGGGAT
	Reverse	TGTGCGTCGCCTAGAACTAC
TIMP3	Forward	ACAGACGCCAGAGTCTCCTA
	Reverse	ACCTCAAGTCTGTCCGGGTA
Substance P	Forward	TTCATCTCCATCTGTGTCCGC
	Reverse	GTCTGAGGAGGTCACCACATT
TNF-α	Forward	TCGTAGCAAACCACCAAGCA
	Reverse	TCGTAGCAAACCACCAAGCA
GAPDH	Forward	AACCTTCTTGCAGCTCCTCCG
	Reverse	CCATACCCACCATCACACCCT

TACE, TNF-α converting enzyme; TIMP3, tissue inhibitor of metalloproteinase-3; TNF-α, tissue necrosis factor-α.