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Two new BIH Charité Junior Clinician Scientists
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Dr. Karl Hillebrandt and Dr. Matthäus Felsenstein successfully applied for the BIH Charité Junior Clinician Scientist Program. Karl Hillebrandt will continue his work on human decellularized liver slices as 3D platform for in vitro models of cholangiocellular carcinoma. Matthäus Felsenstein focusses on derivation of normal pancreatic duct cells from human primary tissue and their stepwise genetic modification in vitro using CRISPR/Cas9 .

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Strategies based on organ decellularization and recellularization
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Transplantation is the only curative treatment option available for patients suffering from end-stage organ failure, improving their quality of life and long-term survival. However, because of organ scarcity, only a small number of these patients actually benefit from transplantation. Alternative treatment options are needed to address this problem. The technique of whole-organ decellularization and recellularization has attracted increasing attention in the last decade. Decellularization includes the removal of all cellular components from an organ, while simultaneously preserving the micro and macro anatomy of the extracellular matrix. These bioscaffolds are subsequently repopulated with patient-derived cells, thus constructing a personalized neo-organ and ideally eliminating the need for immunosuppression. However, crucial problems have not yet been satisfyingly addressed and remain to be resolved, such as organ and cell sources.

In this paper "Strategies based on organ decellularization and recellularization" (Transpl Int. 2019; 32(6):571-585), we focus on the actual state of organ de- and recellularization, as well as the problems and future challenges. Authors are K.H. Hillebrandt, H. Everwien, N. Haep, E. Keshi, J. Pratschke, and I.M. Sauer.
Publication in Jove
Procedure for Decellularization of Rat Livers in an Oscillating-pressure Perfusion Device“ is available in J Vis Exp. 2015 Aug 10;(102). doi: 10.3791/53029 – accessible via the JOVE servers. 

Authors are K. Hillebrandt, D. Polenz, A. Butter, P. Tang, A. Reutzel-Selke, A. Andreou, H. Napierala, N. Raschzok, J. Pratschke, I.M. Sauer, and B. Struecker . The presented techniques for liver harvesting, cannulation and perfusion using our proprietary device enable sophisticated perfusion set-ups to improve decellularization and recellularization experiments in rat livers.
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