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Fig. 5 | Particle and Fibre Toxicology

Fig. 5

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

Fig. 5

Mucous cell metaplasia after exposure to tMWCNTs or rMWCNTs. a Representative photomicrographs of Alcian-blue Periodic Acid-Schiff (AB-PAS)-stained lungs from 21 days post-exposure. AB-PAS positive goblet cells are indicated by arrows. b Quantification of mucous cell metaplasia as average mucous stain per total area of airway. (***p < 0.001 compared to controls; **p < 0.01 or *p < 0.05 between tMWCNTs and rMWCNTs)

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