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The skin’s ability to replace the tissue it sloughs off is controlled by a variety of genes. A new study from Harvard Medical School published in the May 4 issue of Cell, however, identifies a “master regulator” of this regeneration process not only for skin, but for many epithelial tissues including breast, prostate, and urogenital tract. The skin’s ability to replace the tissue it sloughs off is controlled by a variety of genes. A new study from Harvard Medical School published in the May 4 issue of Cell, however, identifies a “master regulator” of this regeneration process not only for...

April 3, 2006 — The news is being hailed as a medical milestone: Several years after receiving new bladders engineered entirely in a laboratory, seven young patients are all still healthy. It marks the first long-term success of total-organ tissue regeneration, an area of medicine that until now was more the stuff of science fiction than clinical reality. Dr. Anthony Atala, the director of the Institute for Regenerative Medicine at Wake Forest University in North Carolina, reports in tomorrow's issue of the medical journal The Lancet on the success of the new procedure, which was performed on children born with...