Lifeboat Foundation: Safeguarding Humanity
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Category: bioengineering – Page 152

Mr. Epstein’s vision reflected his longstanding fascination with what has become known as transhumanism: the science of improving the human population through technologies like genetic engineering and artificial intelligence. Critics have likened transhumanism to a modern-day version of eugenics, the discredited field of improving the human race through controlled breeding.

Mr. Epstein, the accused sex trafficker, was fascinated by eugenics. He told scientists and others of his vision of using his New Mexico ranch to impregnate women.

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But getting human cells to grow in another species is not easy. Nakauchi and colleagues announced at the 2018 American Association for the Advancement of Science meeting in Austin, Texas that they had put human iPS cells into sheep embryos that had been engineered not to produce a pancreas. But the hybrid embryos, grown for 28 days, contained very few human cells, and nothing resembling organs. This is probably because of the genetic distance between humans and sheep, says Nakauchi.

The research could eventually lead to new sources of organs for transplant, but ethical and technical hurdles need to be overcome.

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Medicine has a “Goldilocks” problem. Many therapies are safe and effective only when administered at just the right time and in very precise doses – when given too early or too late, in too large or too small an amount, medicines can be ineffective or even harmful. But in many situations, doctors have no way of knowing when or how much to dispense.

Now, a team of bioengineers led by UC San Francisco’s Hana El-Samad, PhD, and the University of Washington’s David Baker, PhD, have devised a remarkable solution to this problem – “smart” cells that behave like tiny autonomous robots which, in the future, may be used to detect damage and disease, and deliver help at just the right time and in just the right amount.

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Gene editing is advancing at a faster pace than most of us can keep up with. One significant recent announcement was gene editing tool CRISPR’s application to non-genetic diseases thanks to a new ability to edit single letters in RNA.

Even as CRISPR reaches milestones like this, scientists continue to find new uses for it to treat genetic conditions. The next one that will hit clinics is a CRISPR treatment for a form of blindness called Leber congenital amaurosis (LCA).

Having been approved by the FDA in December, the treatment will be the first of its kind to be trialed in the US.

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Hallucinations are spooky and, fortunately, fairly rare. But, a new study suggests, the real question isn’t so much why some people occasionally experience them. It’s why all of us aren’t hallucinating all the time.

In the study, Stanford University School of Medicine neuroscientists stimulated nerve cells in the visual cortex of to induce an illusory image in the animals’ minds. The scientists needed to stimulate a surprisingly small number of , or neurons, in order to generate the perception, which caused the mice to behave in a particular way.

“Back in 2012, we had described the ability to control the activity of individually selected neurons in an awake, alert animal,” said Karl Deisseroth, MD, Ph.D., professor of bioengineering and of psychiatry and behavioral sciences. “Now, for the first time, we’ve been able to advance this capability to control multiple individually specified cells at once, and make an animal perceive something specific that in fact is not really there—and behave accordingly.”

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https://www.prweb.com/releases/regenerage_international_iime…449142.htm

Pretty girl applying moisturizing cream in front of mirror

Scientists at Berkeley Lab have made a new material that is both liquid and magnetic, opening the door to a new area of science in magnetic soft matter. Their findings could lead to a revolutionary class of printable liquid devices for a variety of applications from artificial cells that deliver targeted cancer therapies to flexible liquid robots that can change their shape to adapt to their surroundings. (Video credit: Marilyn Chung/Berkeley Lab; footage of droplets courtesy of Xubo Liu and Tom Russell/Berkeley Lab)

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