News Summary

Paterna Biosciences, a startup based in Utah, has announced a breakthrough in the field of fertility by successfully growing functional human sperm in a laboratory setting and using it to create embryos. The process, known as in vitro spermatogenesis, has been a challenging goal for scientists for nearly a century. Paterna’s approach involves isolating sperm-making stem cells from testicular tissue and nurturing them into mature sperm using computational biology to identify the necessary molecular signals. This development could significantly aid men with certain types of infertility, particularly those with no sperm production in their ejaculate, by providing a method to have biological children. Although the findings have yet to be published in a peer-reviewed journal, the advancement is noteworthy for its potential to address male infertility, which accounts for about half of all infertility cases.