The technology for bioprinting mini-buds appeared

Researchers have used new technology to bioprint human miniature kidneys. They hope that their

the method will allow to treat kidney failure, and the product will in the future become a replacement for organs that are grown in laboratory conditions.

In the study of the Children's Researchfrom the Murdoch Institute in Melbourne, Australia, and the biotech company Organovo, a team of researchers have confirmed that miniature kidneys can be used to test which substances are causing complications and kidney failure. Scientists have also shown that 3D bioprinting of cells can produce chunks of kidney tissue that are large enough for transplant.

This process is similar to squeezing out toothpaste.from a tube - Scientists print tissue gradually using a special blend of stem cells squeezed through a computer-controlled pipette. This is how researchers gradually get living tissue.

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Professor Melissa Little, one of the leadingkidney researchers, first started growing organelles in 2015. But the new bioprinting method is faster, more reliable and allows for scalability. Now with 3D printing, you can create about 200 mini-buds in 10 minutes without sacrificing quality.

Organs can be of different sizes - theircompared to a grain of rice or a human fingernail, but mini-buds resemble normal-sized organs. In them, you can see tiny tubes and blood vessels that form the filtering structures of the organ - nephrons.

With the help of mini-organs, the team hopes to screen drugs to find new treatments for kidney disease and see if a new drug could damage the kidney.

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