Liu, Qiang http://orcid.org/0000-0002-8032-5985
Guo, Qianying http://orcid.org/0000-0002-1203-5660
Guo, Wei http://orcid.org/0000-0001-5586-2407
Song, Shi http://orcid.org/0000-0003-4205-6822
Wang, Nan http://orcid.org/0000-0002-8438-7622
Chen, Xi http://orcid.org/0000-0001-8786-9902
Sun, Andi
Yan, Liying
Qiao, Jie http://orcid.org/0000-0003-2126-1376
Funding for this research was provided by:
National Natural Science Foundation of China (31900604, 81521002, 31890781, 81730038)
Article History
Received: 8 March 2021
Revised: 19 April 2021
Accepted: 20 April 2021
First Online: 12 May 2021
<!--Emphasis Type='Bold' removed-->Ethics approval
: Animal experimental procedures were followed as the Institutional Animal Welfare and Ethics Committee policies of Peking University (item number: LA2018261). The collection of human samples was approved in 2012 by the Reproductive Medicine Ethics Committee of Peking University Third Hospital (item number: 2012sz018). All the DNA samples of clinical azoospermia patients used in this project have obtained informed consent before starting.
: The authors declare no competing interests.