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Related Concept Videos

Pathophysiology of Diabetes01:20

Pathophysiology of Diabetes

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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

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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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Diabetes Mellitus: Overview and Type I Subtype01:22

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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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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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Insulin Secretory Vesicles01:05

Insulin Secretory Vesicles

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Insulin secretory vesicles release insulin to stimulate blood glucose uptake and regulate carbohydrate metabolism. When the blood glucose levels increase, glucose enters the pancreatic β-islet cells through glucose transporters. Once inside, glucose is metabolized through glycolysis, the citric acid cycle, and the electron transport chain, producing ATP. This increase in ATP concentration closes ATP-sensitive potassium channels, leading to depolarization of the membrane and the opening of...
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Psychoneuroimmunology: Diabetes and Cancer01:19

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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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Related Experiment Video

Updated: Aug 28, 2025

Neo-Islet Formation in Liver of Diabetic Mice by Helper-dependent Adenoviral Vector-Mediated Gene Transfer
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[Relationship between enteroviruses and diabetes].

H Jaïdane1, A Goffard2, J Gharbi3

  • 1Laboratoire de virologie/UPRES EA3610 « Pathogenèse virale du diabète de Type 1 », faculté de médecine, Université Lille-II CHRU Lille, centre de biologie pathologie et bâtiment Paul-Boulanger, CHRU Lille, 59037 Lille, France, Laboratoire de virologie LR99ES27, unité de pathogenèse & virulence virales, faculté de pharmacie de Monastir, avenue Avicenne, 5000 Monastir, Tunisia.

Virologie (Montrouge, France)
|September 22, 2022
PubMed
Summary
This summary is machine-generated.

Enteroviruses, such as coxsackievirus B4, are linked to type 1 diabetes (T1D) development and progression. Research explores viral mechanisms in T1D pathogenesis and potential protective roles, offering new insights into this autoimmune disease.

Keywords:
coxsackievirus B4enterovirusespathogenesistype 1 diabetes (T1D)

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Area of Science:

  • Virology
  • Immunology
  • Endocrinology

Context:

  • Environmental factors, particularly viral infections, are implicated in the onset and progression of type 1 diabetes (T1D).
  • Epidemiological studies indicate a correlation between enterovirus infections, specifically coxsackievirus B4 (CV-B4), and T1D.
  • Increased enterovirus prevalence is observed in individuals at risk for T1D, including siblings of diabetic patients and newly diagnosed patients.

Purpose:

  • To investigate the role of enteroviruses, such as CV-B4, in the pathogenesis of type 1 diabetes.
  • To elucidate the mechanisms by which enteroviruses infect pancreatic tissues and contribute to T1D development.
  • To explore the dual role of enteroviruses, considering their potential to both trigger and protect against T1D.

Summary:

  • Enterovirus infections, notably CV-B4, are associated with type 1 diabetes (T1D) pathogenesis.
  • Studies in vitro and in vivo reveal mechanisms of pancreatic infection by enteroviruses relevant to T1D.
  • CV-B4 has been isolated from the pancreas of T1D patients, strengthening the link between this virus and the disease.
  • Enteroviruses may exhibit a dual role, with some studies suggesting a protective effect against T1D under specific conditions.

Impact:

  • Provides a deeper understanding of the viral contribution to type 1 diabetes etiology.
  • Identifies potential viral targets for therapeutic interventions in T1D.
  • Highlights the complex interplay between viral infections and autoimmune responses in the pancreas.