Funding for this research was provided by:
the National Natural and Scientific Foundation (81660147)
Received: 24 May 2019
Revised: 26 November 2019
Accepted: 10 December 2019
First Online: 3 January 2020
Change Date: 7 November 2022
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/s13287-022-03194-3
Ethics approval and consent to participate
: Eight-week-old male type 2 diabetic db/db were used in this study. Ethical approval was granted by the Guangxi Medical University of Institutional Animal Care and Use Committee.
: Not applicable.
: The authors declare that they have no competing interests.