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Related Concept Videos

Diabetes Mellitus: Overview and Type I Subtype01:22

Diabetes Mellitus: Overview and Type I Subtype

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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...
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Pathophysiology of Diabetes01:20

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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,...
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Diabetes Mellitus: Type 2 and Gestational01:22

Diabetes Mellitus: Type 2 and Gestational

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Type 2 diabetes, characterized by insulin resistance, arises when the insulin receptors on cells lose responsiveness to insulin, diminishing the cell's capacity to take up glucose, resulting in elevated blood glucose levels. To receive a diagnosis of Type 2 diabetes, a series of blood glucose tests are necessary to assess whether the blood glucose falls within normal parameters. If the result is out of the normal range, a patient may be diagnosed as prediabetic or diabetic, depending on the...
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Psychoneuroimmunology: Diabetes and Cancer01:19

Psychoneuroimmunology: Diabetes and Cancer

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Chronic stress has been linked to both the onset and progression of serious health conditions, including Type 2 diabetes and cancer. Type 2 diabetes, a widespread chronic illness, is closely associated with obesity and insulin resistance, both of which often worsen under stress. Studies indicate that men experiencing high levels of chronic stress face a 45% higher risk of developing diabetes compared to those with minimal stress. Stress triggers physiological responses that elevate blood...
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Diabetes: Symptoms, Diagnosis, and Complications01:15

Diabetes: Symptoms, Diagnosis, and Complications

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For most patients, experiencing several weeks of polyuria, polydipsia, fatigue, and significant weight loss may indicate the presence of diabetes. Furthermore, adults displaying the phenotypic appearance of type 2 diabetes (particularly those who are obese and not initially insulin-requiring), may have islet cell autoantibodies, suggesting autoimmune-mediated β cell destruction and a diagnosis of latent autoimmune diabetes of adults (LADA). The categorization of glucose homeostasis is...
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Autoimmune Disorders01:29

Autoimmune Disorders

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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...
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Updated: Aug 6, 2025

A High-Throughput Multiplexed Screening for Type 1 Diabetes, Celiac Diseases, and COVID-19
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COVID-19 as a Trigger for Type 1 Diabetes.

Yichen Wang1, Hui Guo1, Gongquan Wang2

  • 1Department of Endocrinology, Lequn Branch, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China.

The Journal of Clinical Endocrinology and Metabolism
|March 23, 2023
PubMed
Summary
This summary is machine-generated.

The SARS-CoV-2 virus may trigger or unmask Type 1 diabetes (T1D) through autoimmune pathways affecting pancreatic beta cells. Further long-term studies are needed to confirm if COVID-19 causes T1D.

Keywords:
COVID-19SARS-CoV-2autoimmunemolecular mechanismstype 1 diabetesviral infections

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Electrochemiluminescence Assays for Human Islet Autoantibodies
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Area of Science:

  • Immunology
  • Endocrinology
  • Virology

Background:

  • Type 1 diabetes (T1D) results from immune destruction of pancreatic beta cells, influenced by genetic and environmental factors.
  • Viral infections are implicated in T1D development and progression.
  • The COVID-19 pandemic saw increased instances of hyperglycemia and new-onset diabetes, suggesting SARS-CoV-2 as a potential trigger.

Purpose of the Study:

  • To examine potential mechanisms by which SARS-CoV-2 affects pancreatic beta cells.
  • To investigate SARS-CoV-2 as a trigger for T1D through autoimmune pathways.

Main Methods:

  • Review of existing evidence on viral triggers for T1D.
  • Analysis of potential SARS-CoV-2-induced beta-cell damage mechanisms: direct cell death, immune-mediated loss, and bystander effects.
  • Examination of autoimmune mechanisms: epitope spread, molecular mimicry, and bystander activation.

Main Results:

  • SARS-CoV-2 may induce beta-cell damage through direct viral effects or indirect immune responses.
  • Autoimmune pathways like epitope spread, molecular mimicry, and bystander activation are proposed mechanisms for SARS-CoV-2-induced T1D.
  • Current evidence is insufficient to definitively conclude SARS-CoV-2 causes T1D.

Conclusions:

  • SARS-CoV-2 has the potential to trigger or unmask T1D via autoimmune responses targeting pancreatic beta cells.
  • Long-term outcomes and comprehensive studies with larger patient cohorts and follow-ups are essential to establish a causal link.
  • Further research is critical to understand the long-term impact of SARS-CoV-2 on T1D development.