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Need a new liver? Get one printed

Wednesday, Aug 31, 2011 - 04:00

Aug. 31 - The field of regenerative medicine is moving from the realm of science fiction to science fact. From fingers and ears to complex organs like livers or hearts, scientists at the Institute for Regenerative Medicine at Wake Forest University are making headway into growing human body parts in a laboratory. Ben Gruber reports.

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This is no ordinary printer. It's been can speaker to -- living -- Researchers have built the ink cartridges with a cocktail of cells and nutrients. To date they've successfully printed rat heart in the future they hoped to -- human ones. The researchers hope the newly printed -- to an electrical current to test it. And a small monitor they want as the heart begins to Pete. It's called bio printing and it's one of thirty different techniques for engineering body parts being developed by doctor Anthony at Tomlin and his team. It's really like creating a program to print a book really have all the letters that you. Want to use we have 26 letters and are out of it that we use over and over again it's -- the same thing with printing the organ we have so many different types of itself. That we need to use over and over again just put him -- right. Sequence. The newest printer in the lab is faster and more robust than the Internet model it's currently working on human kidney. The researchers say ready to transplant organs are still many years away but that other areas of human regenerative medicine are well within reach. This project to heal burns may soon change the way burn victims are treated. Serious burns are susceptible to infection and are often slow to heal. Researcher Mohamed Al Bana is using the same -- -- concept to take advantage of human cells natural ability to regenerate. Instead of waiting for that as skin itself to provide this material. Which takes around like two weeks we are providing -- try to weasel forming this -- under providing the bidding for themselves so they can grow up fast and immediately. Help phone is working to make the -- preacher portable so we can be used on the battlefield. Researcher Pedro Baptiste has -- the liver of a ferret and washed away -- cells using a process called these cellular -- face it. Killed and -- the remaining scaffold with human liver cells and place in a bio reactor. A system that mimics the inside of the human body and provides oxygen and nutrients. Then He says he'll wait for the cells to transform the -- liver into a human -- It's like they have their own eyes or what we call receptors. That recognize the areas where -- -- -- -- where they should be. And they do that on their own because it kind of mix them together and this sort yourself out. For now it's just a proof of concept. But in the future Baptiste believes this technique will make waiting list for organ transplants a thing of the past. But He had scientists still have some work to do. We don't have eight steel to technology to grow. A few millions of cells which is a -- you get from a biopsy. To be aliens. We're working on it. But I think that's. Right now probably the biggest challenge we have it's really understand how we're gonna tweak the biology you know these cells to proliferate as much as -- -- and. Billions of dollars supporting two regenerative medicine research every year. Doctor -- says the money is well spent. The goal we -- medicine is really to try to replace issues. Or repair them. But the promise of cancer medicine is that they can offer a cure. -- just managed -- -- and that's what's special about field. Instead of actually using drugs that help you manage through these things. We can have -- passes and the fact you're. Doctorate Tyler believes the questions surrounding regenerative medicine have changed it's no longer if we will be able to engineer human organs but -- And grouper Reuters.

Need a new liver? Get one printed

Wednesday, Aug 31, 2011 - 04:00

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