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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: 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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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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Carbohydrate Metabolism01:36

Carbohydrate Metabolism

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Carbohydrates are polymers composed of molecules containing atoms of carbon, hydrogen and oxygen. One gram of carbohydrate can provide four kilo-calories of energy, which makes it the most efficient instant energy source.
Starch accounts for approximately 60% of the carbohydrates consumed by humans. Since amylase enzymes cannot function in the stomach's acidic environment, starch can only be digested in the mouth and small intestine. Simple sugars are found naturally in milk and fruits in...
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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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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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Related Experiment Video

Updated: Jul 23, 2025

Live Images of GLUT4 Protein Trafficking in Mouse Primary Hypothalamic Neurons Using Deconvolution Microscopy
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Type 1 diabetes mellitus: Inflammation, mitophagy, and mitochondrial function.

Alexander V Blagov1, Volha I Summerhill2, Vasily N Sukhorukov3

  • 1Institute of General Pathology and Pathophysiology, 8, Baltiiskaya Street, Moscow 125315, Russia.

Mitochondrion
|July 15, 2023
PubMed
Summary

Mitophagy dysfunction contributes to Type 1 diabetes by causing mitochondrial damage and inflammation. Targeting mitophagy may offer new treatments for this autoimmune disease.

Keywords:
Chronic inflammationInflammationMitochondriaMitochondrial DNAMitochondrial ROSMitophagyType 1 diabetes mellitus

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

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Author Spotlight: Assessment of Mitophagy Flux in Pancreatic β-Cells Using Effective and Robust Complementary Approaches
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Area of Science:

  • Immunology
  • Cell Biology
  • Endocrinology

Background:

  • Type 1 diabetes mellitus (T1DM) is an autoimmune disease damaging pancreatic beta-cells.
  • The exact etiology of T1DM remains complex and not fully understood.
  • Mitophagy's role in T1DM pathogenesis is an area of active investigation.

Purpose of the Study:

  • To review the role of mitophagy and mitochondria in T1DM pathogenesis.
  • To highlight the connection between mitochondrial dysfunction, inflammation, and autoimmunity in T1DM.
  • To explore potential therapeutic strategies targeting mitophagy.

Main Methods:

  • Literature review of studies on mitophagy, mitochondrial dysfunction, and T1DM.
  • Analysis of evidence linking mitochondrial damage to inflammatory pathways in T1DM.
  • Synthesis of current research on mitophagy-related and anti-inflammatory treatments.

Main Results:

  • Impaired mitophagy leads to accumulation of dysfunctional mitochondria in pancreatic cells.
  • Mitochondrial dysfunction releases mtROS and mtDNA, triggering inflammatory responses.
  • Chronic inflammation driven by mitochondrial damage is implicated in T1DM autoimmunity.

Conclusions:

  • Mitophagy plays a critical regulatory role in T1DM immune response and inflammation.
  • Mitochondrial dysfunction is a key factor in T1DM pathogenesis.
  • Therapeutic strategies targeting mitophagy show promise for T1DM treatment.