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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...
Type II Diabetes II: Pathophysiology01:24

Type 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.
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...
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...
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...

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Related Experiment Video

Updated: Jun 24, 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

Microchimerism in type 1 diabetes.

Berendine vanZyl1, Kathleen M Gillespie

  • 1University of Bristol, Southmead Hospital, Bristol BS10 5NB, UK.

Current Diabetes Reports
|March 28, 2009
PubMed
Summary
This summary is machine-generated.

Maternal cells transferring to children can form various tissues, including those involved in type 1 diabetes. Further research into maternal microchimerism is needed to understand its role in autoimmune diseases.

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Last Updated: Jun 24, 2026

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

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Published on: May 6, 2013

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Electrochemiluminescence Assays for Human Islet Autoantibodies
09:15

Electrochemiluminescence Assays for Human Islet Autoantibodies

Published on: March 23, 2018

Area of Science:

  • Reproductive immunology
  • Developmental biology
  • Endocrinology

Background:

  • Maternal cells can transfer to offspring during pregnancy, a phenomenon known as microchimerism.
  • These cells can persist and differentiate into various tissues, including islet beta cells, raising questions about their role in disease.
  • The presence and function of maternal cells in children, particularly in relation to autoimmune diseases like type 1 diabetes, are not fully understood.

Purpose of the Study:

  • To review existing data on maternal microchimerism in type 1 diabetes and other autoimmune diseases.
  • To discuss the technical challenges in studying maternally inherited cells in humans.
  • To highlight the potential for future research to answer key questions about maternal cell differentiation and disease etiology.

Main Methods:

  • Review of published literature on maternal microchimerism and type 1 diabetes.
  • Analysis of existing data regarding the presence and differentiation of maternal cells in offspring.
  • Discussion of current technical limitations in the detection and analysis of microchimeric cells.

Main Results:

  • Maternal cells have been observed to transfer and differentiate into various tissues, including islet beta cells.
  • The role of these genetically distinct maternal cells in the initiation of autoimmune diabetes is an open question.
  • Variability exists in the levels of maternal cells found in individuals, with unclear reasons.

Conclusions:

  • Maternal microchimerism presents a unique biological phenomenon with potential implications for autoimmune diseases.
  • Improved methodologies are crucial for advancing our understanding of maternal cell behavior and their contribution to human health and disease.
  • Further investigation into maternal stem cell differentiation and microchimerism is essential to unlock biological insights and address clinical questions.