Funding for this research was provided by:
National Research Foundation of Korea (2017M3A9C6061284, 2019R1A6A1A03032888)
Article History
Received: 17 May 2021
Revised: 26 May 2021
Accepted: 28 May 2021
First Online: 24 June 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The use of human testis tissues was approved by the Institutional Review Board for Human Research at CHA Gangnam Medical Center (IRB No: 06-06). The use of human ESC line(CHA-hES15, Korea Stem Cell Registry No. hES12010028) was approved by the Institutional Review Board for Human Research at CHA Gangnam Medical Center (IRB No: GCI-14-16), Seoul, South Korea.