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BioE Seminar: Tissue Engineering with Skin Somatic Stem Cells
Thursday, April 19, 2018
12:00 pm - 1:00 pm
Fitzpatrick Center Schiciano Auditorium Side B, room 1466
Xiaoyang, Wu, Ph.D., Assistant Professor, The Ben May Department for Cancer Research, The University of Chicago
Abstract: Somatic gene therapy provides a promising therapeutic approach for treatment of a variety of otherwise terminal or severely disabling diseases. The recent development of genome editing technology, including CRISPR (clustered regularly-interspaced short palindromic repeats) system, has made it possible to perform precise genetic engineering in cells. However, clinical application of CRISPR technology to human patients has been challenging due to the inadequate efficacy in vivo using conventional delivery approach. Thus, it is urgently needed to develop an ex vivo platform that can combine both precise genome editing in vitro with effective application of engineered cells in vivo. The epidermal progenitor cells of skin have several unique advantages, making it particularly suited for ex vivo gene therapy. Human skin is the largest and most accessible organ in the body, making it easy to isolate skin epidermal progenitor cells and monitor the tissue for potential detrimental complications. Anatomically, skin epidermis is separated from vasculature by the basement membrane, which prevents potential dissemination of genetically modified cell in vivo, making the potential therapy tissue specific and safe. Lastly, the potential applicability of cutaneous gene therapy is broad because it has been well documented that proteins expressed in skin epidermal cells can cross the epidermal/dermal barrier and reach circulation to achieve therapeutic effect in a systematic manner.