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This new human skin is one of the first living human organs created using bioprinting to be introduced to the marketplace. It replicates the natural structure of the skin, with a first external layer, the epidermis with its stratum corneum, which acts as protection against the external environment, together with another thicker, deeper layer, the dermis. This last layer consists of fibroblasts that produce collagen, the protein that gives elasticity and mechanical strength to the skin.
these adorable mini kidneys are able to function in exactly the same ways as their real, human-bred counterpart—they can break down toxins, metabolize, and secrete fluid. All of this is fantastic news for the millions of patients in need of organ transplants every yea—a small fraction of which actually receive the life-giving surgery. And though it may still be a few years before we start seeing this method being used in actual hospitals, judging by the the success of the fun-sized version, we're well on our way to printing off brand new organs at moment's notice.
"It is the first time in the world that 3D printing has been used to aid kidney transplant surgery involving an adult donor and a child recipient."
Printing a series of artery trees using this technique was perhaps the most substantial achievement by the team, who have produced complex biological structures with an unprecedented degree of precision. The team’s next step is to inject heart cells into these 3D printed biological tissue structures, essentially filling in the printed “scaffolding” with its biological “concrete”. This research has obvious implications for medical science. Let’s just take one example: the heart. Human heart tissue has lost its ability to repair or regenerate itself once it is damaged. So if a heart needs to be operated on, it often requires new heart tissue. This isn’t always readily available, and the agonizing wait for a heart transplant from a donor often ends in tragedy. This waiting list could be significantly reduced by using 3D bioprinting: this FRESH technique could produce pieces of bespoke heart tissue for each specific case of heart damage.
For years scientists have succeeded at 3D printing “living” tissue, but that tissue has been too weak, too unstable and too small to implant into humans or animals. Getting the tissue to stay alive long enough to integrate with the body and fuse with its blood supply has been next to impossible. Because of those hurdles, some scientists are skeptical that printing organs for the human body will ever become more than science fiction. But now researchers at Wake Forest Institute for Regenerative Medicine report they kept a baby-sized ear alive on a mouse for two months. And the ear didn’t just survive—it formed new cartilage tissue and blood vessels, signs of a successful integration with the mouse’s body.
“With further development,” Atala said in a statement, “this technology could potentially be used to print living tissue and organ structures for surgical implantation.”
originally posted by: Tranceopticalinclined
a reply to: JesusXst
Not to mention, mainly people with wealth and power want to live forever, I'm pretty sure that would lead to some very one sided operation and evolution of humanity.
originally posted by: TrueBrit
Rockefeller... the Galactic Emperor... he has apparently had something like seven transplants, heart I think... I could be mistaken about the organ, but the number is firm in my mind.