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. 2008 May 21;116(9):1218–1225. doi: 10.1289/ehp.11172

Table 1.

Immune cell infiltration in lung tissue after asbestos exposure.a

ApoE−/−
DKO
Exposure time (days) Control Asbestos Control Asbestos
3 1.0 ± 0 2.0 ± 0* 1.0 ± 0 2.1 ± 0.2*
9 1.0 ± 0 2.8 ± 0.3* 1.0 ± 0 2.5 ± 0.5*
30 1.0 ± 0 3.5 ± 0.2* 1.0 ± 0 3.2 ± 0.2*
a

Evaluated on H&E-stained sections using a scoring system where 1 indicates no infiltration; 2, mild infiltration; 3, moderate infiltration; and 4, severe infiltration.

*

p < 0.001 compared with control.