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. 2020 Dec 10;7:580796. doi: 10.3389/fmed.2020.580796

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Copyright © 2020 Zhong, Lin, Pathak, Gao, Young, Wang, Liu, Wu, Liu, Chen, Huang, Lee, Qi, Ge and Wang.

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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The expression profiles of angiotensin-converting enzyme 2 (ACE2) (A,C,E) and Furin (B,D,F) in the oral mucosal cells. Violin and scatter plot showed the expression profile of the ACE2 receptor (A,C) and Furin (B,D) in oral mucosal cells. ACE2 and Furin were mainly expressed in epithelial cells. (E,F) The percentage of ACE2- and Furin-positive cells in the oral mucosa.