TABLE 1.

Presence of nitrite in splenocyte culture supernatant fluids

Source of splenocytesa	Stimulant	Level of nitrite (μM)d
Normal mice	None	2.3
	ConAb	0.5
	H. capsulatumc	1.1
Infected mice	None	13.6
	ConA	21.1
	H. capsulatum	18.4

^aSplenocytes from normal and H. capsulatum-infected mice at 2 to 3 weeks after infection were cultured at 10⁷ cells per ml. Supernatant fluids were collected 24 h after incubation. 

^bConA was added at 2 μg/ml. 

^cHeat-killed H. capsulatum yeasts were added at a 1:40 splenocyte-to-yeast ratio. 

^dThese data are representative of three separate experiments.