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Type II Diabetes II: Pathophysiology

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.

Type II Diabetes I: Introduction

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: May 11, 2026

Modeling and Evaluation of Murine Diabetic Cardiomyopathy Model

Modeling and Evaluation of Murine Diabetic Cardiomyopathy Model

Published on: November 29, 2024

Spontaneous type 2 diabetic rodent models.

Yang-Wei Wang¹, Guang-Dong Sun, Jing Sun

¹Department of Nephrology, Second Hospital of Jilin University, Changchun 130041, China.

Journal of Diabetes Research

|May 15, 2013

Summary

Spontaneous rodent models closely mimic type 2 diabetes (T2DM) features like obesity and insulin resistance. This review details their characteristics, advantages, and disadvantages for selecting appropriate models in antidiabetic drug development.

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Last Updated: May 11, 2026

Modeling and Evaluation of Murine Diabetic Cardiomyopathy Model

Modeling and Evaluation of Murine Diabetic Cardiomyopathy Model

Published on: November 29, 2024

Leprdb Mouse Model of Type 2 Diabetes: Pancreatic Islet Isolation and Live-cell 2-Photon Imaging Of Intact Islets

Lepr^db Mouse Model of Type 2 Diabetes: Pancreatic Islet Isolation and Live-cell 2-Photon Imaging Of Intact Islets

Published on: May 11, 2015

Area of Science:

Endocrinology
Pharmacology
Animal Models

Background:

Type 2 diabetes mellitus (T2DM) is a prevalent chronic disease with increasing incidence and significant healthcare costs.
Effective T2DM management requires understanding disease mechanisms and developing novel therapeutic strategies.
Animal models are crucial for investigating T2DM pathophysiology and evaluating potential treatments.

Purpose of the Study:

To review available spontaneous rodent models for type 2 diabetes.
To analyze the features, advantages, and disadvantages of these models.
To guide the selection and utility of spontaneous rodent models for antidiabetic drug testing.

Main Methods:

Literature review of spontaneous rodent models for T2DM.
Comparative analysis based on strain, features, advantages, and disadvantages.
Evaluation of model suitability for assessing antidiabetic drug efficacy.

Main Results:

Spontaneous rodent models are frequently used due to their ability to replicate key T2DM features such as obesity and insulin resistance.
Different models exhibit unique characteristics, making them suitable for specific research questions.
The paper provides a framework for selecting appropriate models based on research objectives.

Conclusions:

Spontaneous rodent models are valuable tools for T2DM research.
Careful selection of models is essential for successful antidiabetic drug development.
Understanding model-specific attributes enhances their utility in preclinical studies.