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"Breakthrough as scientists grow sheep embryos containing human cells" - Chimeras
Now, at this week’s meeting of the American Association for the Advancement of Science in Austin, Texas, the team have announced that they have managed a similar feat with sheep embryos, achieving an even higher ratio of human to animal cells. “About one in 10,000 cells in these sheep embryos are human,” said Ross.
Attempts by scientists to grow organs from one species inside another is an ongoing mission: among previous efforts, scientists have grown a rat pancreas inside a mouse
But Ross and colleagues have recently reported a major breakthrough for our own species, revealing they were able to introduce human stem cells into early pig embryos, producing embryos for which about one in every 100,000 cells were human. These chimeras – a term adopted from Greek mythology – were only allowed to develop for 28 days.
“I have the same concerns,” said Ross, adding that the team are looking at where the human cells end up in the chimera. “Let’s say that if our results indicate that the human cells all go to the brain of the animal, then we may never carry this forward,” he said.
Nakauchi also played down concerns: “The contribution of human cells so far is very small. It’s nothing like a pig with a human face or human brain,” he said. “We have published several papers showing we can target the region, so we can avoid human cells differentiating in to the human brain or human gonads.”
However, recent developments in gene editing have allowed scientists to develop piglets without such viruses, potentially smoothing the way, while Ross notes that human cells might replace any remaining host cells after transplantation. Breakthrough as scientists grow sheep embryos containing human cells
Scientists Grow Full-Sized, Beating Human Hearts From Stem Cells
Ideally, scientists would be able to grow working hearts from patients’ own tissues, but they’re not quite there yet. That’s because organs have a particular architecture. It's easier to grow them in the lab if they have a scaffolding on which the cells can build, like building a house with the frame already constructed.
Source- TheVerge
An artificial womb successfully grew baby sheep — and humans could be next
Inside what look like oversized ziplock bags strewn with tubes of blood and fluid, eight fetal lambs continued to develop — much like they would have inside their mothers. Over four weeks, their lungs and brains grew, they sprouted wool, opened their eyes, wriggled around, and learned to swallow, according to a new study that takes the first step toward an artificial womb. One day, this device could help to bring premature human babies to term outside the uterus — but right now, it has only been tested on sheep.
originally posted by: skunkape23
Sheeple are a real thing now.
Not just a metaphor.
originally posted by: Nexttimemaybe
originally posted by: skunkape23
Sheeple are a real thing now.
Not just a metaphor.
Exactly.
Truth is American scientists achieved this decades ago and have been using these creatures to breed with normal humans. A massive part of the population are now hybrids.
That is why the US is in the current state it is in.
These chimeras – a term adopted from Greek mythology – were only allowed to develop for 28 days.
wiki
In the 1980s, there were reports on an experiment in human–chimpanzee crossbreeding conducted in the People's Republic of China in 1967, and on the planned resumption of such experiments. In 1981, Ji Yongxiang, head of a hospital in Shengyang, was reported as claiming to have been part of a 1967 experiment in Shengyang in which a chimpanzee female had been impregnated with human sperm. According to this account, the experiment came to nothing because it was cut short by the Cultural Revolution, with the responsible scientists sent off to farm labour and the pregnant chimpanzee dying from neglect. According to Timothy McNulty of Chicago Tribune, the report was based on an article in the Wenhui Bao paper of Shanghai. Li Guong of the genetics research bureau at the Chinese Academy of Sciences was cited as confirming both the existence of the experiment prior to the Cultural Revolution and the plans to resume testing.[16]