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Paul-Ehrlich-Institute

2 ARTICLES PUBLISHED IN JoVE

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Medicine

Novel Diagnostics in Revision Arthroplasty: Implant Sonication and Multiplex Polymerase Chain Reaction
Gunnar T.R. Hischebeth 1, Sascha Gravius 2, Johanna K. Buhr 2, Ernst Molitor 1, Matthias D. Wimmer 2, Achim Hoerauf 1, Isabelle Bekeredjian-Ding 3, Thomas M. Randau 2
1Institute of Medical Microbiology, Immunology and Parasitology, University Hospital Bonn, 2Department of Orthopaedics and Trauma Surgery, University Hospital Bonn, 3Division of EU Cooperation/Microbiology, Paul-Ehrlich-Institute

Differential diagnostics in painful arthroplasty is crucial for treatment success. Joint aspiration is routinely performed preoperatively. Multiplex polymerase chain reaction of the joint aspirate and the sonication fluid, a feasible tool for quick pathogen detection from these samples is described.

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Medicine

Electroporation-Based Genetic Modification of Primary Human Pigment Epithelial Cells Using the Sleeping Beauty Transposon System
Sandra Johnen 1, Nina Harmening 2,3, Corinne Marie 4,5, Daniel Scherman 4, Zsuzsanna Izsvák 6, Zoltán Ivics 7, Peter Walter 1, Gabriele Thumann 2,3
1Department of Ophthalmology, University Hospital RWTH Aachen, 2Experimental Ophthalmology, University of Geneva, 3Department of Ophthalmology, University Hospitals of Geneva, 4Université de Paris, CNRS, INSERM, UTCBS, Unité des technologies Chimiques et Biologiques pour la Santé, 5Chimie ParisTech, PSL Research University, 6Max Delbrück Center for Molecular Medicine in the Helmholtz Association, 7Division of Medical Biotechnology, Paul-Ehrlich-Institute

We have developed a protocol to transfect primary human pigment epithelial cells by electroporation with the gene encoding pigment epithelium-derived factor (PEDF) using the Sleeping Beauty (SB) transposon system. Successful transfection was demonstrated by quantitative polymerase chain reaction (qPCR), immunoblotting, and enzyme-linked immunosorbent assay (ELISA).

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