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. 2021 Mar 3;21(5):461. doi: 10.3892/etm.2021.9892

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Copyright: © Yao et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Expression levels of TGF-β1, Smad2 and Smad7 in lung tissues of mice. mRNA levels of (A) TGF-β1, (B) Smad2 and (C) Smad7 in mouse lung tissues of each group were detected via reverse transcription-quantitative PCR analysis. (D) Protein levels of TGF-β1, Smad2 and Smad7 in mouse lung tissues of each group were detected via western blot analysis. (E) The gray value of protein bands among groups was assessed. ^*P<0.05 vs. blank group; ^#P<0.05 vs. asthma group. TGF-β1, transforming growth factor-β1.