Abstract
A tracer technique referred to as “pancreatic-blood glucose clamp” allows assessment in response to a change in blood glucose, insulin, and/or glucagon of whole body glucose disposal, endogenous glucose production, specific tissue/organ glucose uptake and storage, and insulin secretion. This technique is currently considered the optimal method for measurement of insulin sensitivity and glucose effectiveness. We describe here, for use in conscious-unrestrained mice and rats, the pancreatic-blood glucose clamp technique and its associated methods; which include catheterization of blood vessels; a clamp of plasma insulin, glucagon, and glucose; analyses of metabolites and tracers; and calculations.
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Abbreviations
- Ci:
-
Curie(s)
- h:
-
Hours
- I.D.:
-
Inner diameter
- ip:
-
Intraperitoneal injection
- min:
-
Minutes
- O.D.:
-
Outer diameter
- U:
-
Unit(s)
- v/v:
-
Volume/volume
- w/v:
-
Weight/volume
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Acknowledgements
I deeply thank Dr. Richard L. Printz, Ph.D., (Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, Tennessee, U.S.A.) for his assistance in preparation of this Chapter and Mr. Dominic Doyle, M.A., (Creative Services, Vanderbilt University Medical Center, Nashville, Tennessee, U.S.A.) for his assistance with illustrations for ures.
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Shiota, M. (2012). Measurement of Glucose Homeostasis In Vivo: Combination of Tracers and Clamp Techniques. In: Joost, HG., Al-Hasani, H., Schürmann, A. (eds) Animal Models in Diabetes Research. Methods in Molecular Biology, vol 933. Humana Press, Totowa, NJ. https://doi.org/10.1007/978-1-62703-068-7_15
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DOI: https://doi.org/10.1007/978-1-62703-068-7_15
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