Related Experiment Video
Updated: Jun 6, 2026
10:43
Transplantation of Pancreatic Islets Into the Kidney Capsule of Diabetic Mice
Published on: October 31, 2007
Circulating cytokines are associated with human islet graft function in type 1 diabetes
Christian Pfleger1, Nanette C Schloot, Mathias D Brendel
1Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich-Heine-University Düsseldorf, 40225 Düsseldorf, Germany.
Clinical Immunology (Orlando, Fla.)
|November 25, 2010
Summary
Cytokine levels impact islet transplant success in type 1 diabetes. Specific cytokines like interleukin-10, -13, -18, and macrophage migration inhibitory factor are linked to graft function and rejection, guiding future therapeutic strategies.
Area of Science:
- Immunology
- Endocrinology
- Transplantation Science
Background:
- Type 1 diabetes management faces challenges with islet cell transplantation due to autoimmunity and rejection.
- Cytokines play a crucial role in these immunological responses, affecting graft survival.
Purpose of the Study:
- To investigate the association between circulating cytokines and islet graft function in type 1 diabetes patients undergoing kidney-paired islet transplantation.
- To identify specific cytokine profiles predictive of graft function and loss in different transplantation protocols.
Main Methods:
- Analysis of circulating cytokines in patients with type 1 diabetes before and after simultaneous islet-kidney (SIK) or islet-after-kidney (IAK) transplantation.
- Utilized regression analysis to account for confounders and assess associations with graft function.
Main Results:
- Lower post-transplant interleukin (IL)-10 levels correlated with graft function loss in SIK recipients.
- Pre-transplant high IL-13 and IL-18 were linked to graft loss in IAK recipients.
- High macrophage migration inhibitory factor (MIF) concentrations predicted graft loss in SIK recipients.
Conclusions:
- Circulating cytokine profiles are significantly associated with islet graft function in type 1 diabetes patients.
- Identifying specific cytokine biomarkers can help predict graft outcomes and inform therapeutic interventions for islet transplantation.
Related Concept Videos
01:26Type I Diabetes II: Pathophysiology
Type 1 diabetes mellitus arises from an immune-mediated destruction of pancreatic β-cells, resulting in an absolute deficiency of insulin. This process develops in genetically susceptible individuals when autoimmunity, environmental exposures, and immunologic dysregulation converge to trigger a targeted attack on the insulin-producing cells of the pancreas. The β-cells are located within the islets of Langerhans and are essential for regulating blood glucose by facilitating cellular uptake of...
01:12Type I Diabetes I: Introduction
Type 1 diabetes mellitus is a chronic metabolic disorder characterized by an absolute deficiency of insulin resulting from the autoimmune destruction of pancreatic β-cells. Although it can occur at any age, it is most commonly diagnosed in childhood, adolescence, or early adulthood. The loss of insulin production impairs cellular glucose uptake, resulting in persistent hyperglycemia and necessitating lifelong insulin therapy.Autoimmune Destruction of β-CellsThe hallmark of type 1 diabetes is an...
01:24Type II Diabetes II: Pathophysiology
PathophysiologyType 2 diabetes mellitus (T2DM ) is a chronic metabolic disorder characterized by insulin resistance and progressive pancreatic β-cell dysfunction, leading to impaired glucose homeostasis. It results from interactions among genetic predisposition, environmental factors, and metabolic stressors, such as overnutrition and a sedentary lifestyle.Insulin Resistance and Glucose DysregulationEarly T2DM involves insulin resistance in skeletal muscle, adipose tissue, and the liver.
01:27Glucose Homeostasis: Pancreatic Islets and Insulin Secretion
The pancreatic islets comprising only 1%-2% of the volume are highly vascularized and innervated mini-organs. They contain five endocrine cell types, including β cells that secrete insulin, which is synthesized as a single polypeptide chain, preproinsulin, processed to proinsulin, and finally to insulin and C-peptide. This process is complex and regulated, involving the Golgi complex, the endoplasmic reticulum, and the secretory granules of the β cell.
Insulin and C-peptide are co-secreted in...
Insulin and C-peptide are co-secreted in...