MediBeacon GmbH 1 article published in JoVE Medicine Transdermal Measurement of Glomerular Filtration Rate in Mice Lauren Scarfe1,2, Daniel Schock-Kusch3, Lorenzo Ressel4, Jochen Friedemann3, Yury Shulhevich3, Patricia Murray2, Bettina Wilm2, Mark de Caestecker1 1Division of Nephrology, Department of Medicine, Vanderbilt University Medical Center, 2Department of Cellular and Molecular Physiology, University of Liverpool, 3MediBeacon GmbH, 4Department of Veterinary Pathology and Public Health, Institute of Veterinary Science, University of Liverpool Here we describe a protocol to measure glomerular filtration rate (GFR) in conscious, freely moving mice using a transdermal GFR monitor.