Liu, Qiang https://orcid.org/0000-0002-8032-5985
Guo, Qianying https://orcid.org/0000-0002-1203-5660
Guo, Wei https://orcid.org/0000-0001-5586-2407
Song, Shi https://orcid.org/0000-0003-4205-6822
Wang, Nan https://orcid.org/0000-0002-8438-7622
Chen, Xi https://orcid.org/0000-0001-8786-9902
Sun, Andi
Yan, Liying
Qiao, Jie https://orcid.org/0000-0003-2126-1376
Funding for this research was provided by:
National Natural Science Foundation of China (31900604)
National Natural Science Foundation of China (81521002)
National Natural Science Foundation of China (31890781)
National Natural Science Foundation of China (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.