Table 2.

Differential Cell Count in Bronchoalveolar Lavage (BAL) Fluid of Animals Exposed or Not to Cigarette Smoke

Groups	Number of cells (105/ml)
	Total of inflammatory cells	Neutrophils	Macrophages	Eosinophils	Lymphocytes
C	6.98 ± 0.02	0.45 ± 0.05	2.78 ± 0.2	0.13 ± 0.04	0.23 ± 0.04
C+H	4.85 ± 0.04	0.30 ± 0.04	2.39 ± 0.15	0.09 ± 0.03	0.09 ± 0.03
C+H+SnPP	8.12 ± 0.05	0.73 ± 0.09	3.491 ± 0.22	0.13 ± 0.02	0.26 ± 0.04
CS	10.57 ± 0.06*	0.99 ± 0.09*	4.744 ± 0.20*	0.21 ± 0.04	0.31 ± 0.04
CS+H	5.57 ± 0.03†	0.44 ± 0.08†	2.655 ± 0.22†	0.07 ± 0.03	0.17 ± 0.04
CS+H+SnPP	9.52 ± 0.06*	0.94 ± 0.08*	4.743 ± 0.10*	0.18 ± 0.03	0.46 ± 0.04

C, animals exposed to room air; CS, animals exposed to cigarette smoke; H, hemin; SnPP, tin protoporphyrin IX. Values are mean ± SEM, n = 12 to 15 in each group. 

^*P < 0.05 versus vehicle-treated C; 

^†P < 0.05 versus vehicle-treated CS.