Table II. Percent expression of receptors on B cells incubated with indicated concentrations of MCPS or NP-Ficoll

Culture Conditions	% TACI (n = 5)	p Value^{^a}	% BAFFR (n = 5)	p Value^{^a}	% BCMA (n = 4)	p Value
Media	35.1 ± 3.30		37.54 ± 3.85		6.93 ± 41
MCPS (40 μg/ml)	17.5 ± 3.13	0.0000	22.34 ± 6.29	0.0009	6.41 ± 2.91	0.3681
MCPS (10 μg/ml)	22.66 ± 2.47	0.0001	25.22 ± 4.48	0.0008	6.26 ± 2.59	0.3148
MCPS (2.5 μg/ml)	27.7 ± 2.41	0.0018	34.2 ± 4.88	0.1319	6.26 ± 1.00	0.1306
NP-Ficoll (40 μg/ml)	32.1 ± 2.26	0.0660	34.34 ± 3.04	0.0913	6.38 ± 3.21	0.3737
NP-Ficoll (10 μg/ml)	31.94 ± 1.67	0.0561	36.26 ± 3.98	0.3095	5.64 ± 2.45	0.1703
NP-Ficoll (2.5 μg/ml)	33.46 ± 2.94	0.2154	35.02 ± 4.37	0.1808	6.13 ± 3.01	0.3102

↵^a The p value is calculated comparing MCPS and NP-Ficoll percentages against media-treated cells. A p value <0.05 is considered statistically significant and indicated in bold.
PS, polysaccharide.