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Fig. 3 | Particle and Fibre Toxicology

Fig. 3

From: STAT1-dependent and -independent pulmonary allergic and fibrogenic responses in mice after exposure to tangled versus rod-like multi-walled carbon nanotubes

Fig. 3

Granuloma development at 21 days post-exposure to tMWCNTs or rMWCNTs. a Representative H&E photomicrographs of 21 day control, tMWCNT or rMWCNT-exposed mouse airways showing granulomas (arrows) taken at 200X magnification (scale bars equal 500 μm). Insets of rMWCNT granulomas (Scale bars equal 100 μm) taken at 400X magnification. b Average number of granulomas per 3 lung sections per mouse. c Average size of granulomas measured by quantitative morphometry as described in Methods. (***p < 0.001 between tMWCNTs and rMWCNTs)

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