Table 4. Relative Saa3 mRNA levels in lung and liver tissue after pulmonary deposition of particles by inhalation.

Particle	Study	Exposure set-up	Reference	4–5 days after exposure				∼4weeks after exposure
				Liver		Lung		Liver		Lung
				Control	Exposed	Control	Exposed	Control	Exposed	Control	Exposed
NanoTiO2	4	11××1 h×42 mg/m3	[23]	201±336	70±51	24±12	570±418†	605±369	486±283	1576±4329	3337±3808‡
										(330±376)§	(2384±1722)§
NanoCB	5	11×1 h×42 mg/m3	[22]	52±27	116±48	15±8	43±16†	44±33	79±47*	15±6	43±16†

Saa3 mRNA levels were normalised to 18S and multiplied by 10⁷. Mean±SD is shown. ^* p<0.05, ^†p<0.01, ^‡p<0.001, ^§One outlier has been removed in each group.