Tuesday, August 16, 2011

Lab-Grown Anal Sphincters

Researchers have built the first functional anal sphincters in the lab, suggesting a potential future treatment for both fecal and urinary incontinence. Made from muscle and nerve cells, the sphincters developed a blood supply and maintained function when implanted in mice. The results are reported in the medical journal Gastroenterology.

“In essence, we have built a replacement sphincter that we hope can one day benefit human patients. This is the first bioengineered sphincter made with both muscle and nerve cells, making it ‘pre-wired’ for placement in the body,” said senior author Khalil N. Bitar, Ph.D., a professor of regenerative medicine at Wake Forest Baptist Medical Center’s Institute for Regenerative Medicine. Read more.

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