Japan Approves Human-Animal Hybrid Embryo Experiments

Looks like the ethical Pandora’s Box is opened. Mind you, behind closed doors it’s probably been opened for years…MH

Tim Sandle
Digital Journal
Sat, 27 Jul 2019 19:39 UTC

Japan has approved the first ever human-animal embryo experiments. This research could produce an alternative sources of organs for transplant. However, there are an array of ethical and technical hurdles to be addressed.

CRISPR - revolutionary new tool to cut and splice DNA
© Illustration courtesy of Jennifer Doudna/UC Berkeley
CRISPR – revolutionary new tool to cut and splice DNA.

According to Nature, a Japanese stem-cell scientist is set to be granted government backing to develop animal embryos that contain human cells. These embryos will then be transplanted into surrogate animals. This follows the rescinding of such a ban earlier in 2019.

The study will be led by Hiromitsu Nakauchi (University of Tokyo) with support of scientists from Stanford University in California. The aim is to grow human cells in mouse and rat embryos. The long-term goal is to create animals with organs composed of human cells an for these organs to be capable of being transplanted into people.

On being given permission Nakauchi stated: “Finally, we are in a position to start serious studies in this field after 10 years of preparation. We don’t expect to create human organs immediately, but this allows us to advance our research based upon the know-how we have gained up to this point. by the government.”

The basis for the research is human-animal hybrid chimeric embryos made in the U.S. (as Digital Journal reported), but these were never brought to term and the U.S. National Institutes of Health has since imposed a moratorium on funding this type of experimentation.

The practice produces several ethical issues, with gene editing standing as a controversial practice, having a balance of supporters and detractors across the science field. The first studies were undertaken in China, where a gene responsible for a blood disorder was edited out. One of the primary concerns is with whether therapy will have “off-target effects”, changing other genes. A bioethics measure in place is that if the scientists detect that human cells exceed more than 30 percent of the brains of the rodent embryos, this will lead to the cancellation of the experiment.

The first part of the research is a study to create human pancreases in rodents by using human induced pluripotent stem cells. This will involve will creating fertilized eggs of rats and mice without the ability to make pancreases by manipulating genes. The researchers will next place human iPS cells into those fertilized eggs, forming the “animal-human embryos.”

Martin Harris

I have a lovely partner and 3 very active youngsters. We live in the earthquake ravaged Eastern Suburbs of Christchurch, New Zealand. I began commenting/posting on Uncensored back in early 2012 looking for discussion and answers on the cause and agendas relating to our quakes. I have always maintained an interest in ancient mysteries, UFOs, hidden agendas, geoengineering and secret societies and keep a close eye on current world events. Since 2013 I have been an active member of theCONTrail.com community, being granted admin status and publishing many blogs and discussion threads. At this time I'm now helping out with admin and moderation duties here at Uncensored where my online "life" began.

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