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. Author manuscript; available in PMC: 2013 Apr 12.
Published in final edited form as: Physiol Genomics. 2011 Aug 30;43(21):1226–1240. doi: 10.1152/physiolgenomics.00034.2011

Fig. 3.

Fig. 3

Morphological aspects of mouse lungs on postnatal day 4. Pups were issued from a same litter and were treated by doxycycline as stated in M&M and Fig. 1. Lungs were collected on P4 that revealed as the earliest stage for adequate pressure fixation in this species. Lungs were fixed with paraformaldehyde at constant pressure, embedded in paraffin, cut at 4μm and stained by picro-indigo- carmine. A. Wild-type mouse pup. B double-transgenic pup (SP-C-rtTA/(teto)7-FGF18). C. Single-transgenic pup ((teto)7-FGF18). Morphology was similar in the 3 instances.