Table 1.

Amplitude and frequency of currents activated in macrophages

	JRFL gp120	CM gp120	IIIB gp120	UG021 gp120	MIP-1β	SDF-1α
Iinward*	−474  ± 118§	−481  ± 18¶	−243  ± 41§	−180  ± 46¶	−392  ± 158	−287  ± 70
Percent†	77	78	100	88	40	71
Ioutward*	260  ± 88	134  ± 46	384  ± 160	215  ± 57	273  ± 63	298  ± 59
Percent†	53	56	19	33	100	58
n‡	17	9	16	22	20	24
I[cat]
Percent†	100	100	100	100	0	0

*Peak current amplitude (pA) (mean ± SEM). 

^†Percent of responding cells exhibiting each current. 

^‡ Number of responding cells examined, using cells from ≥6 donors for each ligand except UG021, which was tested in 3 donors. 

^§Statistically significant (P ≤ 0.05) by Student's t test. 

^¶Statistically significant (P ≤ 0.05) by Student's t test.