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A Method for Murine Islet Isolation and Subcapsular Kidney Transplantation

A Method for Murine Islet Isolation and Subcapsular Kidney Transplantation

Published on: April 13, 2011

Donor insulin use predicts beta-cell function after islet transplantation.

Iestyn M Shapey^1,2, Angela Summers^1,2, Petros Yiannoullou^1,2

¹Faculty of Medicine, Biology and Health, University of Manchester, Manchester, UK.

Diabetes, Obesity & Metabolism

|May 27, 2020

Summary

Donor insulin use (DIU) predicts reduced beta-cell function post-islet transplantation. This finding may improve donor selection and islet transplant outcomes, highlighting the importance of managing donor glucose levels.

Keywords:

insulin islet organ donor pancreas transplant

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Area of Science:

Endocrinology
Transplantation Immunology
Metabolic Research

Background:

Insulin manages hyperglycemia in organ donors and peri-transplant islet recipients.
The impact of donor insulin use (DIU) on post-transplant beta-cell function is not well understood.

Purpose of the Study:

To investigate whether donor insulin use (DIU) predicts beta-cell dysfunction after islet transplantation.

Main Methods:

Retrospective review of UK Transplant Registry and Islet Transplant Consortium data (2008-2016).
Analysis of 91 first-time islet cell transplant recipients.
Linear regression models assessed associations between DIU, peri-transplant glucose metrics, and 3-month graft function.

Main Results:

DIU was linked to lower islet function (BETA-2 scores), higher 3-month HbA1c, and lower fasting C-peptide levels.
Peri-transplant median glucose levels and glucose coefficient of variation (CV) did not predict transplant outcomes.
Analysis included 10,512 glucose measurements during the first 5 peri-transplant days.

Conclusions:

Donor insulin use is a predictor of beta-cell dysfunction 3 months post-islet transplantation.
DIU data can potentially enhance donor selection criteria and improve islet transplant success rates.