This is a restored functional cornea following transplantation of human limbal stem cells to limbal stem cell-deficient mice.
Credit: Kira Lathrop, Bruce Ksander, Markus Frank, and Natasha Frank.

Boston researchers have identified a way to enhance regrowth of human corneal tissue to restore vision, using a molecule known as ABCB5 that acts as a marker for hard-to-find limbal stem cells. This work, a collaboration between the Massachusetts Eye and Ear/Schepens Eye Research Institute (Mass. Eye and Ear), Boston Children’s Hospital, Brigham and Women’s Hospital and the VA Boston Healthcare System, provides promise to burn victims, victims of chemical injury and others with damaging eye diseases. The research, published this week in Nature, is also one of the first known examples of constructing a tissue from an adult-derived human stem cell.

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