Culture and expansion of murine proximal airway basal stem cells.

"Declarations Ethics approval and consent to participateThe study protocol was approved by the Ethics Committee of the Second Affiliated Hospital of Fujian Medical University (Quanzhou, China; Approval number 2022-454, Date of approval: September 15, 2022). The title of the approved project is as follows: Maintenance of the stem cell properties of airway basal cells and preclinical research on their application in lung regenerative medicine. Consent for publicationNot applicable. Competing interestsThe authors declare that they have no competing interests. Competing interests The authors declare that they have no competing interests."

"Fundings This work was supported by National Natural Science Foundation of China (Grant No. 82070021); Quanzhou High-level Talents Major Project (Grant No. 2020C001R); Doctoral Miaopu Project of the Second Affiliated Hospital of Fujian Medical University (Grant number: BS202306); and the Startup Fund for Scientific Research of Fujian Medical University, China (Grant Nos. 2019QH2040 and 2022QH1107)."