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Related Concept Videos

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...
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...
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...
What is the Immune System?01:38

What is the Immune System?

Overview
Type II Diabetes I: Introduction01:26

Type II Diabetes I: Introduction

Type 2 diabetes mellitus (T2DM) is a chronic metabolic disorder characterized by insulin resistance, in which target tissues such as the liver, muscle, and adipose tissue respond poorly to insulin. It is also associated with inadequate compensatory insulin secretion, where pancreatic β-cells fail to produce sufficient insulin. Together, these abnormalities lead to persistent hyperglycemia.EtiologyT2DM develops through a complex interaction of genetic predisposition and environmental or...
Type I Diabetes III: Clinical Manifestations01:19

Type I Diabetes III: Clinical Manifestations

Type 1 diabetes mellitus typically presents with rapid-onset symptoms due to the body’s inability to utilize glucose in the absence of insulin. Since insulin is required for glucose uptake into cells, its deficiency leads to hyperglycemia and cellular energy deprivation, resulting in characteristic clinical features.Polyuria and PolydipsiaOne of the earliest, most prominent symptoms is polyuria (excessive urination). When blood glucose concentrations rise above the renal threshold, the kidneys...

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Related Experiment Video

Updated: May 31, 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

Innate immunity in type 1 diabetes.

Julien Diana1, Liana Gahzarian, Yannick Simoni

  • 1Hôpital Saint Vincent de Paul, Paris, France.

Discovery Medicine
|June 30, 2011
PubMed
Summary

Type 1 diabetes (T1D) involves immune system cells destroying insulin-producing cells. Innate immune cells play a key role in T1D development and prevention strategies.

Area of Science:

  • Immunology
  • Endocrinology
  • Autoimmunity

Background:

  • Type 1 diabetes (T1D) is an autoimmune disease characterized by the destruction of pancreatic beta cells.
  • Both genetic susceptibility and environmental factors, like infections, contribute to T1D development.
  • Innate and adaptive immune cells are involved in the complex pathology of T1D.

Purpose of the Study:

  • To review the involvement of innate immune cells in the development of Type 1 diabetes.
  • To explore the potential of targeting innate immune cells for T1D prevention and treatment.

Main Methods:

  • Literature review of studies on Type 1 diabetes pathogenesis.
  • Analysis of research involving animal models, such as the non-obese diabetic (NOD) mouse.
  • Focus on the interactions between innate immune cells (macrophages, dendritic cells, NK cells) and other immune components.

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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

Published on: November 18, 2022

Related Experiment Videos

Last Updated: May 31, 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

Bioluminescent Monitoring of Graft Survival in an Adoptive Transfer Model of Autoimmune Diabetes in Mice
10:03

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

Published on: November 18, 2022

Main Results:

  • Innate immune cells, including macrophages and dendritic cells, are crucial in initiating and perpetuating the autoimmune response in T1D.
  • Interactions between various immune cells (macrophages, DCs, NK cells, NKT cells, lymphocytes) are critical during T1D development.
  • Animal models demonstrate the significant role of innate immunity in disease progression.

Conclusions:

  • Innate immune cells are key players in the pathogenesis of Type 1 diabetes.
  • Targeting innate immune cells presents a promising therapeutic strategy for preventing or curing T1D.
  • Further research into innate immune cell function is essential for developing effective T1D interventions.