Thursday, Mar 23, 2017, 4:21 PM CST – China

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Science

Chinese Scientists Create Lab-grown Mouse Sperm

Several Chinese scientists from Nanjing Medical University and the Institute of Zoology under the Chinese Academy of Sciences, have successfully created the world’s first functional lab-grown spermatozoa, marking a milestone in fertility research.

According to Zhao Xiaoyang, one of the project’s leading researchers, they created the sperm by combining primordial germ-like cells with testicular cells from mice. They then added other biological substances to stimulate growth, which eventually developed into spermatid-like cells. 

Zhao told State-run Xinhua News Agency that they have used the man-made sperm to successfully breed several dozen mice. However, these processes would not be able to be applied to human tissue until years of experiments and assessments have been conducted.

The team’s findings were published in a February issue of the journal Cell Stem Cell.

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