Funding for this research was provided by:
Key Programs of Frontier Scientific Research of the Chinese Academy of Sciences (QYZDY-SSW- SMC008)
National Natural Science Foundation of China (31330075)
Natural Science Foundation of Hunan Province (2017JJ1020)
Huxiang Youth talent Support Program (2016RS3028)
Young Elite Scientists Sponsorship Program by CAST (YESS20160086)
Received: 28 June 2018
Accepted: 12 June 2019
First Online: 8 July 2019
Ethics approval and consent to participate
: All animal procedures were approved by the Animal Care and Use Committee of Hunan Normal University, Changsha City, Hunan, China. The experiments were performed according to the regulations and guidelines established by this committee.
: Not applicable.
: The authors declare that they have no competing interests.