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Related Concept Videos

Type I Diabetes II: Pathophysiology01:26

Type 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...
Type I Diabetes I: Introduction01:12

Type 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...
Pathophysiology of Diabetes01:20

Pathophysiology of Diabetes

Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility, suggesting a...
Diabetes Mellitus: Introduction01:26

Diabetes Mellitus: Introduction

Diabetes mellitus consists of chronic metabolic disorders characterized by persistent hyperglycemia. This elevated blood glucose results from defects in insulin secretion, impaired insulin action, or both. Insulin, produced by pancreatic β-cells, is essential for maintaining glucose homeostasis by facilitating cellular glucose uptake for energy or storage. Disruptions in insulin production or function lead to glucose accumulation in the bloodstream, causing the clinical features and long-term...
Diabetes Mellitus: Overview and Type I Subtype01:22

Diabetes Mellitus: Overview and Type I Subtype

Diabetes mellitus is a chronic metabolic disorder characterized by high blood glucose levels due to inadequate insulin production, insulin resistance, or both. The condition affects millions worldwide and can significantly impact their health and quality of life.
Type 1 diabetes is an autoimmune disease in which the immune system mistakenly attacks and destroys the insulin-producing beta cells in the pancreas. As a result, the body is unable to produce sufficient insulin, and individuals with...
Autoimmune Disorders01:29

Autoimmune Disorders

Autoimmune diseases are a group of disorders in which the body's immune system mistakenly attacks its own cells, tissues, and organs. This results from an overactive immune response against substances and tissues normally present in the body. Let's delve into the concept and mechanism of autoimmune diseases from an immune system point of view, explore different causes and examples of such diseases, and discuss potential solutions.
Concept and Mechanism of Autoimmune Diseases
The immune system...

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CXCR3 expression on antigen-experienced B cells is systemically dysregulated in type 1 diabetes.

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Related Experiment Video

Updated: Jul 15, 2026

Accelerated Type 1 Diabetes Induction in Mice by Adoptive Transfer of Diabetogenic CD4+ T Cells
06:27

Accelerated Type 1 Diabetes Induction in Mice by Adoptive Transfer of Diabetogenic CD4+ T Cells

Published on: May 6, 2013

B cells in autoimmune diabetes.

F Susan Wong1, Li Wen

  • 1Department of Cellular and Molecular Medicine, University of Bristol, University Walk, Bristol BS8 1TD, United Kingdom. susan.wong@bristol.ac.uk

The Review of Diabetic Studies : RDS
|May 12, 2007
PubMed
Summary

B cells and autoantibodies, while predictive of type 1 diabetes mellitus (T1DM), may play a direct pathogenic role. This review explores B cell involvement in autoimmune diabetes development.

Area of Science:

  • Immunology
  • Endocrinology
  • Autoimmunity

Background:

  • Autoantibodies are established predictors of type 1 diabetes mellitus (T1DM) but are not typically considered pathogenic.
  • The specific role of B cells, the producers of autoantibodies, in T1DM pathogenesis remains largely unclear in humans.

Purpose of the Study:

  • To review the multifaceted roles of B cells in the development of autoimmune diabetes.
  • To explore how B cell dysfunction and autoantibodies may contribute to the pathogenesis of T1DM.

Main Methods:

  • Review of existing literature on B cell function in autoimmune diabetes models.
  • Analysis of the potential pathogenic mechanisms involving B cells and autoantibodies.

Main Results:

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Bioluminescent Monitoring of Graft Survival in an Adoptive Transfer Model of Autoimmune Diabetes in Mice

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Methods to Assess Beta Cell Death Mediated by Cytotoxic T Lymphocytes
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Methods to Assess Beta Cell Death Mediated by Cytotoxic T Lymphocytes

Published on: June 16, 2011

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Last Updated: Jul 15, 2026

Accelerated Type 1 Diabetes Induction in Mice by Adoptive Transfer of Diabetogenic CD4+ T Cells
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Published on: May 6, 2013

Bioluminescent Monitoring of Graft Survival in an Adoptive Transfer Model of Autoimmune Diabetes in Mice
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Bioluminescent Monitoring of Graft Survival in an Adoptive Transfer Model of Autoimmune Diabetes in Mice

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  • B cell tolerance defects can lead to the circulation of autoreactive B cells.
  • Autoantigen-specific B cells possess significant antigen-presenting capabilities.
  • Autoantibodies produced by B cells are implicated as playing a critical role in disease progression.

Conclusions:

  • B cells are likely to be more than just markers and may actively contribute to the pathogenesis of autoimmune diabetes.
  • Understanding B cell roles is crucial for developing new therapeutic strategies for T1DM.