Table 2.

Effect of LPS on expression of adhesion molecules on human monocytes and lymphocytes^*

	Monocytes			Lymphocytes
Molecules	Control	LPS	P-value†	Control	LPS	P-value†
ICAM-1	315 ± 41	857 ± 60	P < 0·01	11 ± 1	17 ± 2	NS
CD14	870 ± 54	1087 ± 95	P < 0·01	10 ± 5	5 ± 1	NS
CD18	640 ± 88	525 ± 66	NS	152 ± 20	169 ± 20	NS
CD11a	404 ± 52	343 ± 33	NS	175 ± 7	195 ± 32	NS
CD11b	530 ± 90	514 ± 105	NS	50 ± 16	63 ± 19	NS
CD11c	291 ± 56	290 ± 29	NS	7 ± 1	9 ± 1	NS
CD29	703 ± 39	625 ± 78	NS	86 ± 11	91 ± 15	NS
CD49d	50 ± 6	43 ± 4	NS	40 ± 3	39 ± 2	NS
CD49e	337 ± 9	277 ± 32	NS	19 ± 3	18 ± 3	NS
ICAM-2	101 ± 8	109 ± 22	NS	53 ± 2	54 ± 3	NS
ICAM-3	191 ± 28	178 ± 33	NS	106 ± 5	105 ± 7	NS
ALCAM	107 ± 12	82 ± 6	NS	11 ± 1	11 ± 1	NS

^*PBMC were stimulated with LPS (1 µg/ml). The expression of the various adhesion molecules was assessed after 24 hr of incubation. Data represent the mean fluorescence ± SEM of four separate experiments.

^†NS, not significant.