Scientists are one step closer to reviving the woolly mammoth


Scientists are one step closer to reviving the woolly mammoth

Japanese scientists have taken a ‘significant step’ towards bringing the woolly mammoth back to life.

Researchers from Kindai University in Osaka extracted bone marrow and muscle tissue from the remains of a  28,000-year-old woolly mammoth and injected it into the ovaries of a mouse, according to a study published Tuesday in the journal Scientific Reports.

When placed in the ova of mice, the nuclei developed to a state just before cellular division, triggering “signs of biological activity,” according to the researchers.

The team’s recent findings were extracted from ‘Yuka’, a female woolly mammoth about 3.5 metres long excavated nearly intact in 2010 from permafrost in Siberia.

Kei Miyamoto, a lecturer in developmental biology at Kindai University, and one of the authors, told the Nikkei that the findings marked a “significant step towards bringing mammoths back from the dead”.

Highlighting that they “still have a long way to go” before the species returns to existence, he added: “We want to move our study forward to the stage of cell division.”

“Yuka’s cell nuclei were more damaged than we thought, and it would be difficult to resurrect a mammoth as things stand,” said Miyamoto. “There’s a chance, if we can obtain better-preserved nuclei.”

“Our work provides a platform to evaluate the biological activities of nuclei in extinct animal species,” the report read. “Ancient species carry invaluable information about the genetic basis of adaptive evolution and factors related to extinction.”

Woolly mammoths, which had tusks and weighed roughly 6 tons, lived in East Asia until their extinction about 10,000 years ago.


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