Table 3.

Sequences of primers for the PCR assay

Genea	Forward(5′-3′)	Reverse(5′-3′)
IL-2	TCTTTGGCTGTATTTCGGTAG	CTTTATTAATGTTTGAAGAGGTTTC
IFN-γ	AGCCGCACATCAAACACAT	TCACCTTCTTCACGCCATC
TNF-α	CTTGGCTGTCGTGTGGTGG	CGTGGGCATTGCAATTTGG
β-tubulin	GCGTTATTTGACTGTGGCG	GGAGCTGTTCTTGGTCTGGA

^aIL-2: interleukin-2; IFN-γ: interferon-γ; TNF-α: tumor necrosis factor-α