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 Lab-Grown Nostrils, Vaginas Working Well

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Lab-Grown Nostrils, Vaginas Working Well Vide
PostSubject: Lab-Grown Nostrils, Vaginas Working Well   Lab-Grown Nostrils, Vaginas Working Well Icon_minitimeFri Apr 11, 2014 9:12 pm

Two new studies describe the latest achievements in growing body parts in a lab and transplanting them into people, this time with nostrils and vaginas.

Windpipes, bladders, blood vessels and other structures have previously been created in part from a patient's own cells and then implanted. Eventually, scientists hope to tackle more complicated things like lungs and kidneys with this strategy, which is aimed at avoiding rejection of transplanted organs.

The latest experiments were published online Friday in the journal Lancet.

"They both show that by using fairly simple tissue engineering techniques, you can get real tissue forming where it's supposed to," said Dr. Martin Birchall, of The Ear Institute at University College London, who co-authored an accompanying commentary. He said the simple methods could be useful for making other body parts, including joint cartilage, bowels and the esophagus.

One experiment involved four teenage girls in Mexico who were born without vaginas because of a rare disorder. Currently, surgeons use tissue grafts to create vaginas for such patients, but that method carries a risk of complications.

The experimental results were reported by Dr. Anthony Atala of the Wake Forest University School of Medicine in Winston-Salem, North Carolina, with researchers there and at the Metropolitan Autonomous University in Mexico City. Atala said the procedure might also prove useful for replacing vaginas removed because of cancer, and repairing or replacing the organ after an injury.

For the experiment, researchers took a tissue sample less than half the size of a postage stamp from the patients' genitals. They multiplied cells from this tissue in the lab, seeded them onto a biodegradable scaffold and molded it into the right size and shape for each patient before implantation.

More: http://abcnews.go.com/Health/wireStory/studies-lab-grown-nostrils-vaginas-working-23282622
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