Hans Christian Lederhuber

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BACKGROUND Low biocompatibility of peritoneal dialysis solution (PDS) injures mesothelial cells but also induces heat shock proteins (HSP), the main effectors of the cellular stress response. This study investigated whether overexpression of HSP upon pharmacologic induction results in cytoprotection of mesothelial cells in experimental PD. METHODS Stress(More)
Bioincompatibility of peritoneal dialysis fluids (PDF) limits their use in renal replacement therapy. PDF exposure harms mesothelial cells but induces heat shock proteins (HSP), which are essential for repair and cytoprotection. We searched for cellular pathways that impair the heat shock response in mesothelial cells after PDF-exposure. In a dose-response(More)
Renal replacement therapy by peritoneal dialysis is frequently complicated by technical failure. Peritoneal dialysis fluids (PDF) cause injury to the peritoneal mesothelial cell layer due to their cytotoxicity. As only isolated elements of the involved cellular processes have been studied before, we aimed at a global assessment of the mesothelial stress(More)
BACKGROUND Concise regulation of the Toll signaling pathway is mandatory in neonatal innate immunity. The microRNA-146 family (miR-146a/b) was recently reported to be a regulator of Toll-like receptor 4 (TLR4) through a negative feedback loop mechanism. Acting as a potent regulator, miRNA helps to protect the organism from developing overwhelming(More)
Cytotoxicity of peritoneal dialysis fluids (PDF) not only results in cellular injury, but also induces heat-shock proteins (HSP), the main effectors of the cellular stress response. This study investigated effects of modulation of mesothelial HSP expression on peritoneal membrane integrity during acute PDF exposure. In the acute in vivo rat model of(More)
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