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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.
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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.
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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.
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Diabetes: Symptoms, Diagnosis, and Complications01:15

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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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Diabetes: Management and Pharmacotherapy01:15

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The therapy for diabetes aims to alleviate hyperglycemia-related symptoms, prevent acute metabolic decompensation, and reduce chronic end-organ complications. Glycemic control is evaluated through short-term (self-monitoring, continuous glucose monitoring) and long-term (A1c, fructosamine) metrics, enabling near real-time tracking of blood glucose levels and reflecting glycemic control over specific time frames.
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Related Experiment Video

Updated: Dec 15, 2025

Live Images of GLUT4 Protein Trafficking in Mouse Primary Hypothalamic Neurons Using Deconvolution Microscopy
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Type 2 diabetes: one disease, many pathways.

Joon Ha1, Arthur Sherman1

  • 1Laboratory of Biological Modeling, National Institutes of Health, Bethesda, Maryland.

American Journal of Physiology. Endocrinology and Metabolism
|July 15, 2020
PubMed
Summary
This summary is machine-generated.

This study introduces a mathematical model to track diabetes progression, revealing that impaired fasting glucose and impaired glucose tolerance exist on a continuum and often coexist on the path to type 2 diabetes.

Keywords:
diabetesglucoseinsulinmathematical modelingmetabolism

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Area of Science:

  • Metabolic disease modeling
  • Longitudinal data analysis
  • Type 2 Diabetes (T2D) pathophysiology

Background:

  • Diabetes is a chronic, progressive condition requiring long-term study.
  • Understanding the diverse pathways to T2D is crucial for effective management.

Purpose of the Study:

  • To develop a longitudinal mathematical model for T2D progression.
  • To analyze distinct metabolic pathways leading to T2D, specifically focusing on impaired fasting glucose (IFG) and impaired glucose tolerance (IGT).

Main Methods:

  • Development of a longitudinal mathematical model.
  • Application of the model to simulate T2D progression through IFG and IGT pathways.
  • Analysis of metabolic abnormalities including hepatic glucose production and peripheral glucose uptake.

Main Results:

  • IFG and IGT are shown to lie on a continuum of insulin resistance.
  • IFG and IGT often occur sequentially, highlighting the interplay between innate and acquired defects.
  • Other factors like impaired insulin secretion and incretin signaling can influence T2D progression.

Conclusions:

  • Early assessment of patients is vital to identify primary metabolic defects.
  • Targeted therapies can be developed based on an individual's specific pathway to T2D.
  • The model provides a framework for understanding the complex progression of diabetes.