Scientists have tested developing organs in laboratories for years, but we are still years away from the tech being all set. Lab-developed organs are often very small for human employment and fall short of an efficient method for providing oxygen. A bunch of researchers at Harvard’s Wyss Institute have now designed a solution that might 3D print blood vessels on tissues. Their study, posted in Science Advances, clarifies how a new method dubbed as the Sacrificial Writing Into Functional Tissue (SWIFT) technique will allow the making of more effective, larger organs.
The group was capable of successfully making cardiac tissue that might overtake synchronously over a 7-day period. In a video revelation, the team showed how they produced a number of organ developing blocks derived from stem cells. They next compacted the stem cells into a mold. Further, they quickly patterned sacrificial ink inside the matrix with the help of embedded 3D printing. The sacrificial ink was later eliminated to disclose channels that can work as blood vessels. Open lumens in the blood vessel were aligned with endothelial cells, to more keenly replicate the actual thing.
The field of employing 3D printers for tissue and organ engineering, or bioprinting, is still very much in its premature phases. Unlike 3D printing skin or bones, 3D printing organs also need mimicking huge networks of vessels that transfer nutrients and oxygen to our organs.
On a related note, a trip to Mars will take a number of months, and people will not be able to get back if an astronomer undergoes from a bone fracture or a burn. This is why researchers at the University Hospital of Dresden Technical University have now produced the first bioprinted bone and skin samples for employment in space. Curing patients with 3D-created bones or skin is still in its premature phases on Earth.