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Artificial sperm on horizon? Scientists reprogram human skin cells into sperm parent cells

The GLP aggregated and excerpted this blog/article to reflect the diversity of news, opinion and analysis.

For the 10 to 15 percent of couples in the U.S. who are unable to have a child, scientists are working on creative alternatives to surrogacy and adoption. They’re putting little motors on sperm to help them swim better, or creating sperm from mouse stem cells. Now one group of researchers have made another leap forward—they have created germ cells, the precursor to sperm or eggs, from human skin cells. The group published its findings in Scientific Reports.

The researchers were inspired by the work of pioneering scientists who, in 2012, were awarded the Nobel Prize for a technique that when put under extreme stress, adult skin cells can be converted back into stem cells.

In the study, the researchers used this technique to reprogram human skin cells. Once the skin cells had reverted to stem cells, the researchers introduced six different genetic markers that would trigger particular aspects of the cell’s development. After a month, some of the stem cells divided and matured into germ cells. However, these cells must mature more before they can become full-fledged sperm cells, as the researchers intended. Unfortunately, they found that this wasn’t possible to do in the lab—the germ cells need to be implanted into a living organism to develop fully into sperm. So far, the researchers haven’t been able to do so efficiently, but they said in a press release “this is just the beginning.”

Read full, original post: Scientists create primitive sperm from skin cells

The GLP aggregated and excerpted this article to reflect the diversity of news, opinion, and analysis. Click the link above to read the full, original article.
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