Table 1.

Cytokine release by BAL cells derived from individuals with various neutrophilic lung diseases and control individuals

Individual		Cytokine conc., pg/ml
No.	Description	G-CSF	GM-CSF	IL-3	IFN-γ
Individuals with neutrophilic lung inflammation
1	Cystic fibrosis	500	319	<5	<10
2	Cystic fibrosis	406	29	<5	<10
3	Idiopathic fibrosis	220	24	<5	<10
4	Pneumonia	417	76	<5	<10
5	Acute allergic alveolitis	5,362	1,076	ND	ND
Individuals without neutrophilic lung inflammation
6	Control, no lung disease	<5	<5	ND	ND
7	Control, no lung disease	<5	<5	ND	ND
8	Chronic allergic alveolitis	6	<5	ND	ND
9	Chronic allergic alveolitis	<5	7	ND	ND

Cytokine concentrations were measured by ELISA in supernatants from untreated BAL cells (10⁶ per ml) after a 24-h culture period. ND, not determined.