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Related Experiment Video

Updated: May 14, 2026

The Mouse Isolated Perfused Kidney Technique
08:19

The Mouse Isolated Perfused Kidney Technique

Published on: November 17, 2016

Isolated perfused rat kidney: a technical update.

Hao-Han Chang1, Bernard Choong, Anthony Phillips

  • 1School of Biological Sciences, University of Auckland, Private Bag 92019, Auckland, New Zealand.

Experimental Animals
|January 30, 2013
PubMed
Summary
This summary is machine-generated.

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Optimizing the isolated perfused kidney model improves experimental success and reduces animal use. Researchers should use fluorescent inulin assays and a 4% BSA/1.67% dextran buffer for accurate renal function assessment.

Area of Science:

  • Pharmacology
  • Nephrology
  • Experimental Biology

Background:

  • The isolated perfused kidney (IPK) is a vital tool for studying renal clearance, metabolism, and drug disposition.
  • Current protocols require optimization to enhance experimental reliability and minimize animal usage.

Purpose of the Study:

  • To refine the IPK model for improved experimental outcomes and reduced animal use.
  • To evaluate common markers for glomerular filtration rate (GFR) measurement.
  • To optimize oncotic agent composition in perfusion buffers.

Main Methods:

  • Investigated interference with inulin and creatinine assays in the presence of glucose or dextran.
  • Assessed inulin quantification using anthrone-based colorimetric and fluorescent methods.

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Last Updated: May 14, 2026

The Mouse Isolated Perfused Kidney Technique
08:19

The Mouse Isolated Perfused Kidney Technique

Published on: November 17, 2016

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10:42

Normothermic Machine Perfusion of Rat Kidneys for Transplantation

Published on: January 27, 2026

Orthotopic Rat Kidney Transplantation: A Novel and Simplified Surgical Approach
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  • Optimized bovine serum albumin (BSA) and dextran concentrations in perfusion buffers.

    • Main Results:

    • Anthrone-based inulin assays showed significant interference with glucose and dextran.
    • Fluorescently tagged inulin is recommended for accurate quantification under these conditions.
    • A perfusion buffer of 4% BSA and 1.67% dextran best maintained kidney biomarker viability.

    Conclusions:

    • Careful selection of GFR markers and assay methods is crucial for IPK studies.
    • Optimized buffer composition enhances kidney viability and biomarker integrity in IPK models.
    • These refinements support the use of IPK for renal biology, drug metabolism, and diabetic nephropathy research.