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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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GA prevents lesions in airways and airway collagen deposition in mice with ovalbumin-induced chronic asthma. (A) The pathological changes in the airways and alveolar tissues of mice were determined via H&E, Masson and PAS staining (magnification, x200). (B) Inflammation score of the airway and airway side in mice of each group. (C) Inflammation score of the pulmonary alveoli in mice of each group. (D) The levels of Wat/Pbm, Wam/Pbm, Wai/Pbm and Wcol/Pbm were determined via Masson staining. (E) The PAS-positive area per total area was measured. ^*P<0.05, ^**P<0.01 vs. asthma group. GA, glycyrrhizic acid; H&E, hematoxylin and eosin; PAS, periodic acid-Schiff.