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. Author manuscript; available in PMC: 2007 Jan 8.
Published in final edited form as: Biochemistry. 2006 Dec 26;45(51):15670–15683. doi: 10.1021/bi061718f

Figure 3.

Figure 3

Postnatal up-regulation of h2-calponin in the lung. (A) Mouse lung tissues were obtained at a series of developmental time points and examined by Western blots using anti-h2-calponin antibody RAH2. Normalized by the level of actin or total protein, densitometry analysis demonstrated a rapid postnatal up-regulation of h2-calponin in the developing lung with a correlation to the commencement of respiratory activity. (B) Fetal versus adult rat lungs were examined by Western blot using RAH2 antibody. Densitometry quantification against actin or total cellular protein showed significantly higher levels of h2-calponin expressed in the adult versus fetal lung. *P<0.001 as compared with the plateau levels.