TABLE 3.

NO production by macrophages from jirds and mice immunized with BCG-PPD^a

dpib	TXc	ITXd	Production by macrophage
			Mouse		Jird
			Controle	BCG-PPDf	Controle	BCG-PPDf
15	0	4	1.29 ± 0.51	2 ± 0.8	2 ± 0.88	0.65 ± 0.7
	LPS	4	1.5 ± 0.39	2.4 ± 0.3	1.7 ± 0.5	0.8 ± 0.5
	0	12	NDg	13.4 ± 14	1.3 ± 0	1.12 ± 1.2
	LPS	12	5.5 ± 0.8	22.7 ± 6.6	0	0.9 ± 1.28
28	0	4	0.15 ± 0.22	1.16 ± 0.7	1.4 ± 0.6	1.4 ± 0.76
	LPS	4	ND	3.33 ± 1.4	0.8 ± 0.5	1.46 ± 0.42
	0	12	ND	0.17 ± 0.19	0	0.4 ± 0.44
	LPS	12	ND	14.6 ± 4.4	0.3 ± 0.29	0.29 ± 0.38
42	0	4	0.32 ± 0.45	4.6 ± 4.3	0.4 ± 0.5	0.54 ± 0.94
	LPS	4	0.63 ± 0.6	4.7 ± 6.7	0.17 ± 0.3	0.8 ± 0.89
	0	12	ND	14.3 ± 13.9	0	0
	LPS	12	ND	34.8 ± 20.8	0	0

^aResults are expressed as micromolar concentrations of NO₂⁻ (means ± standard deviations). 

^bNumber of dpi with BCG. 

^cMacrophages were cultured with or without LPS. 

^dHours of culture with or without LPS. 

^eUninfected animals. 

^fAnimals were infected with BCG and boosted i.p. with PPD, 24 h and 48 h before euthanasia. 

^gND, not determined.