AUTHOR=Jiang Zesong , Zhang Junwen , Qiu Zhongjian , Zhang Yufei , Li Nan , Hu Jianmeng , Zhu Zhiguo TITLE=Single-cell sequencing in non-obstructive azoospermia: insights from primary and re-analysis studies JOURNAL=Frontiers in Endocrinology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2025.1539063 DOI=10.3389/fendo.2025.1539063 ISSN=1664-2392