Yan, Qian
Xu, Qian
Yu, Yingjia
Wang, Dan
Zhong, Weijiang
Wu, Yan
Liu, Chenglong
Xu, Zhe
Fan, Dongmei
Article History
Received: 27 February 2025
Accepted: 20 October 2025
First Online: 7 January 2026
Declarations
:
: The authors declare no competing interests.
: The collection of umbilical cords was approved by the Human Research Ethics Committee of BGI (BGI-IRB 21080). Informed consent was obtained from all donors. All procedures were conducted in accordance with the relevant guidelines and regulations of Chinese Academy of Sciences, Qingdao University and BGI-Qingdao.