The group around ZHAO Xiaoyang has shown in mice experiments that embryonic stem cell-derived haploid germ cells could be induced to meiosis by suitable culture conditions. When inected into mouse egg cells, the resulting embryos gave rise to healthy, fertile offspring. The experiments are seen as groundbreaking to eventually cure human male infertility.
CAS news release, February 26, 2016
CAS Institute of Zoology researchers create functional sperm from stem cells