World’s First Human-Pig Hybrid Embryo Opens Possibility for ‘Designer’ Animal Organs for Human Use

By: | February 14th, 2017

Image courtesy Youtube

The shortage of organs is virtually a universal problem. Researchers are now working to grow human organs in animals by introducing human cells into early animal embryos.

Recently, scientists successfully created human-pig ‘chimera’ embryos by growing human cells inside early-stage pig embryos in the lab. This could eventually lead to the development of organs that can be grown in an animal and transplanted into those that need them, saving thousands of lives.

In this experiment, researchers tried a variety of stem cells, but “intermediate” human pluripotent stem cells survived the best. Once researchers injected pluripotent stem cells into early-stage pig embryos, they were implanted in a sow and allowed to develop for three to four weeks.

Of 2,075 embryos that were implanted, only 186 developed into chimeras. But, it is a big success, indicating that human-pig hybrids are possible, showing the hope that one day, lab-grown human parts could be used for transplants.

As per Juan Carlos Izpisua Belmonte from the Salk Institute for Biological Studies, “Our findings may offer hope for advancing science and medicine by providing an unprecedented ability to study early embryo development and organ formation, as well as a potential new avenue for medical therapies. We have shown that a precisely targeted technology can allow an organism from one species to produce a specific organ composed of cells from another species.”

Nidhi Goyal

Nidhi is a gold medalist Post Graduate in Atmospheric and Oceanic Sciences. You can also find Nidhi on Google+.

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