Table 1.

 Anti‐transforming growth factor (TGF)‐β mAb treatment inhibited the recovery of regulatory T cells (Tregs) after anti‐CD25 mAb treatment

Tumor	Day 5
	−		+
Anti‐CD25	−	+	+	+
Anti‐TGF‐β	−	−	−	+
No. of Tregs (×105)	1.6 ± 0.4	0.4 ± 0.1	1.9 ± 0.3*	1.1 ± 0.1*

CMC‐1 carcinoma cells (2 × 105) were inoculated into BALB/c mice. The number of Tregs in draining lymph nodes was counted 5 days after tumor inoculation (*P < 0.03). Unit, number of Tregs ± SD (n = 5).