Journal
JOVE-JOURNAL OF VISUALIZED EXPERIMENTS
Volume -, Issue 140, Pages -Publisher
JOURNAL OF VISUALIZED EXPERIMENTS
DOI: 10.3791/58520
Keywords
Medicine; Issue 140; Glomerular filtration rate; FITC-sinistrin; transdermal; mice; rodents; kidney function
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Funding
- Vanderbilt Center for Kidney Disease (VCKD)
- MRC
- EPSRC
- BBSRC [MR/K026739/1]
- [DOD PR161028]
- [R01DK112688]
- MRC [MR/K026739/1] Funding Source: UKRI
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Transdermal analysis of glomerular filtration rate (GFR) is an established technique that is used to assess renal function in mouse and rat models of acute kidney injury and chronic kidney disease. The measurement system consists of a miniaturized fluorescence detector that is directly attached to the skin on the back of conscious, freely moving animals, and measures the excretion kinetics of the exogenous GFR tracer, fluorescein-isothiocyanate (FITC) conjugated sinistrin (an inulin analog). This system has been described in detail in rats. However, because of their smaller size, measurement of transcutaneous GFR in mice presents additional technical challenges. In this paper we therefore provide the first detailed practical guide to the use of transdermal GFR monitors in mice based on the combined experience of three different investigators who have been performing this assay in mice over a number of years.
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