42,000-Year-Old Foal Entombed in Ice Still Had Liquid Blood in Its Veins

42,000-Year-Old Foal Entombed in Ice Still Had Liquid Blood in Its Veins

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Scientists Extracted Liquid Blood From 42,000-Year-Old Foal Found in Siberian Permafrost

A team of Mammoth tusk hunters discovered the nearly intact fossils of a 42,000-year-old foal on an expedition to the Batagaika crater in Siberia.

The young horse showed no signs of external damage instead retained its skin, tail and hooves and the hair on its leg and head, and on its other parts, has preserved by the permafrost of the region or permanently frozen ground.

Currently, according to the Siberian Times reports, Russian North-Eastern federal University and the sooam Biotech Researcher from south korean extracted blood and urine from the specimen and the analyses are now ongoing for the purpose of the long-dead horse cloning and revival of the extinguished Lenkaya family it belongs to.

Scientists will take viable cells from the blood samples and grow them in laboratory in order to clone the animal.

Over the past month, scientists have made more than 20 unsuccessful attempts to extract viable cells from the foal’s tissue (Semyon Grigoryev/North-Eastern Federal University)

This task is harder said than done. More than 20 attempts to grow cells from foal’s tissue have been made by the team over the past month, but they were all unsuccessful, according to a recent report from the Siberian Times. Russian researcher Lena Grigoryeva said that the participants remain “positive about the outcome.”

The fact that the horse still has hair makes it one of the most well-preserved Ice Age animals ever found, Grigoryev tells CNN’s Gianluca Mezzofiore, adding, “Now we can say what color was the wool of the extinct horses of the Pleistocene era.”

In life, the foal boasted a bay-colored body and a black tail and mane. Aged just one to two weeks old at the time of his death, the young Lenskaya, or Lena horse, met the same untimely demise as many similarly intact animals trapped in permafrost for millennia.

The scientists extracted liquid blood samples from the 42,000-year-old animal’s heart vessels (Semyon Grigoryev/North-Eastern Federal University)

The foal likely drowned in a “natural trap” of sorts—namely, mud that later froze into permafrost, Semyon Grigoryev of Yakutia’s Mammoth Museum told Russian news agency TASS, as reported by the Siberian Times.

“A lot of mud and silt which the foal gulped during the last seconds of the foal’s life were found inside its gastrointestinal tract,” Grigoryev says.

Researchers collect liquid blood from the ice age foal found frozen in Siberian permafrost.

This is only the second time researchers have extracted liquid blood from the remains of prehistoric creatures. In 2013, a group of Russian scientists accomplished the same feat using the body of a 15,000-year-old female woolly mammoth discovered by Grigoryev and his colleagues in 2013, as George Dvorsky reports for Gizmodo.

(It’s worth noting that the team studying the foal has also expressed hopes of cloning a woolly mammoth.) Significantly, the foal’s blood is a staggering 27,000 years older than this previous sample.

The NEFU and South Korean scientists behind the new research are so confident of their success that they have already begun searching for a surrogate mare to carry the cloned Lena horse and, in the words of the Siberian Times, fulfill “the historic role of giving birth to the comeback species.”

It’s worth noting, however, that any acclaim is premature and, as Dvorsky writes, indicative of the “typical unbridled enthusiasm” seen in the Russian news outlet’s reports.

Speaking with CNN’s Mezzofiore, Grigoryev himself expressed doubts about the researcher’s chances, explaining, “I think that even the unique preservation of blood is absolutely hopeless for cloning purposes since the main blood cells … do not have nuclei with DNA.”

He continued, “We are trying to find intact cells in muscle tissue and internal organs that are also very well-preserved.”

What the Siberian Times fails to address are the manifold “ethical and technological” questions raised by reviving long-gone species. Among other concerns, according to Dvorsky, scientists have cited the clone’s diminished quality of life, issues of genetic diversity and inbreeding, and the absence of an adequate Ice Age habitat.

It remains to be seen whether the Russian-South Korean team can actually deliver on its ambitious goal. Still, if the purported July 2018 resurrection of two similarly aged 40,000-year-old roundworms “defrosted” after millennia in the Arctic permafrost is any indication, the revival of ancient animals is becoming an increasingly realistic possibility.

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P. Natasha Covers Classical Archaeology news and has been with Histecho since 2017. She has a Master's degree in MA Archaeology from New York University's Science, Health and Environmental Reporting program. A California native, she also holds a Bachelor of science in molecular biology and a Master of Science in biology from the University of California, San Diego.

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