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. 2023 Jan 31;11(2):113. doi: 10.21037/atm-22-6338

Figure 2.

Figure 2

Asthma caused the increased GDNF expressions (stained by immunohistochemistry) in the lung. (A) GDNF expressions (brown staining) in the lung tissues; (B) numbers of GDNF positive immunoreactive substances in the lung tissues; (C) GDNF concentration in BALF. **, P<0.01; ***, P<0.001. GDNF, glial cell line-derived neurotrophic factor; BALF, bronchoalveolar lavage fluid.