Funding for this research was provided by:
pearl river nova program of guangzhou (201806010008)
international postdoctoral exchange fellowship program (20150075)
state key laboratory of respiratory disease (SKLRD-OP-201905)
high-level hospital construction opening project of foshan fourth people's hospital (FSSYKF-2020010)
Received: 15 July 2021
Accepted: 21 February 2022
First Online: 26 February 2022
: The collection of airway mucosal biopsy samples from non-fibrotic patients undergoing fiberoptic bronchoscopy was conducted in accordance with the Declaration of Helsinki and the Harmonized Tripartite Guideline for Good Clinical Practice from the International Conference on Harmonization. This study was reviewed and approved by the Ethical Evaluation Committee of the First Affiliated Hospital of Guangzhou Medical University (2020-20). The animal experiments were approved by the Institutional Animal Care and Use Committee of Sun Yat-Sen University with the ethical approval document No. SYSU-IACUC-2020-000066.
: Not applicable.
: The authors declare that they have no competing interests.