Table 1.

Summary of the polyclonal expansion methods used.

Stimulus	Cytokine cocktail			References
	IL-2 (IU/ml)	IL-7 (ng/ml)	IL-15 (ng/ml)
Anti-CD3 immobilized	200	–	–	Yang et al. (1996)
Anti-CD3 immobilized	200	20	20	Liu et al. (2006)
Anti-CD3/anti-CD28 immobilized	200	–	–	Levine et al. (1996)
Dynal anti-CD3/CD28 beads (1:5)a	200	–	–	Kalamasz et al. (2004)
Dynal anti-CD3/CD28 beads (1:1)	200	–	–	Onlamoon et al. (2006)
Dynal anti-CD3/CD28 beads (3:1)	200	–	–	Kalamasz et al. (2004)
Dynal anti-CD3/CD28 beads (1:1)	200	20	20	Onlamoon et al. (2006)

^aAnti CD3/CD28 bead-to-T cell ratios.