Abstract
The role of Zn2+ ions in proper storage of insulin in β-cell granules is well-established so when insulin is secreted from β-cells stimulated by an increase in plasma glucose, free Zn2+ ions are also released. This local increase in Zn2+ can be detected in the pancreas of rodents in real time by the use of a zinc-responsive MR contrast agent. This method offers the opportunity to monitor β-cell function longitudinally in live rodents. The methods used in our lab are fully described in this short report and some MR images of a rat pancreas showing clearly enhanced hot spots in the tail are presented.
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Acknowledgements
The authors gratefully acknowledge the financial support from the National Institutes of Health (NIH; grant DK-095416) and valuable input from Dr. Xiaodong Wen and Dr. Shanrong Zhang.
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Khalighinejad, P., Suh, E.H., Sherry, A.D. (2023). MRI Methods for Imaging Beta-Cell Function in the Rodent Pancreas. In: Moore, A., Wang, P. (eds) Type-1 Diabetes. Methods in Molecular Biology, vol 2592. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-2807-2_7
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DOI: https://doi.org/10.1007/978-1-0716-2807-2_7
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