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. 2021 Jan 26;11:620655. doi: 10.3389/fphys.2020.620655

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Copyright © 2021 Guo, Xiaokereti, Meng, Cao, Sun, Zhou, Zhang and Tang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) Representative immunohistochemical staining of PGP 9.5, TH, and ChAT on the LA among the three groups. (B) Quantitative analysis of PGP 9.5, TH, and ChAT-positive nerve density in the LA of each group. (C) The concentration of NE among the three groups at baseline, the 3rd hour, and the 6th hour. (D) Representative silver staining in the LA among the three groups. (E) Quantitative analysis of silver staining-positive nerve density in the LA of each group. ^*p<0.05, ^**p<0.01 vs. the control group; ^#p<0.05, ^##p<0.01 vs. the OSA+LLVS group; PGP 9.5, protein gene product; TH, tyrosine hydroxylase; ChAT, choline acetyltransferase; NE, norepinephrine; H, hours.