Youthful 'nurse' cells could restore male fertility

 作者:亢盖     |      日期:2019-03-01 02:05:02
By Linda Geddes in San Francisco SOME forms of male infertility might be treated by winding back the developmental clock of the “nurse” cells in the testes that are responsible for surrounding and nurturing undeveloped sperm. A shortage of healthy Sertoli cells is thought to cause between 5 and 15 per cent of infertility cases in men. It was assumed that the number of Sertoli cells a man has is decided during puberty,