Table 6.

Frequencies of cytokine and activation marker expression by CD4⁺CD45RO⁺ T cells in peripheral blood of RA patients and a normal donor

	IL-2	IL-4	IL-6	IL-10	IL-13	IFN-γ	TNF-α	LT-α	CD154	TRANCE
RA
RA3 (n = 24)	0 (0)	0 (0)	0 (0)	3 (13)	0 (0)	3 (13)	2 (8)	0 (0)	4 (17)	3 (13)
RA4 (n = 24)	0 (0)	0 (0)	0 (0)	3 (13)	2 (8)	2 (8)	2 (8)	0 (0)	4 (17)	2 (8)
Total (n = 48)	0 (0)	0 (0)	0 (0)	6 (13)	2 (4)	5 (10)	4 (8)	0 (0)	8 (17)	5 (10)
Normal donor
Donor 1 (n = 33)	0 (0)	0 (0)	0 (0)	5 (15)	1 (3)	0 (0)	0 (0)	0 (0)	2 (6)	2 (6)

Values are expressed as number (percentage) of cytokine-positive cells in TCR Cβ-positive cells.