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Diabetes Mellitus: Introduction

Diabetes Mellitus: Introduction

Diabetes mellitus consists of chronic metabolic disorders characterized by persistent hyperglycemia. This elevated blood glucose results from defects in insulin secretion, impaired insulin action, or both. Insulin, produced by pancreatic β-cells, is essential for maintaining glucose homeostasis by facilitating cellular glucose uptake for energy or storage. Disruptions in insulin production or function lead to glucose accumulation in the bloodstream, causing the clinical features and long-term...

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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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.
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Diabetes Mellitus: Type 2 and Gestational

Diabetes Mellitus: Type 2 and Gestational

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...

Type II Diabetes I: Introduction

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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...

Type I Diabetes II: Pathophysiology

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Type 1 diabetes mellitus arises from an immune-mediated destruction of pancreatic β-cells, resulting in an absolute deficiency of insulin. This process develops in genetically susceptible individuals when autoimmunity, environmental exposures, and immunologic dysregulation converge to trigger a targeted attack on the insulin-producing cells of the pancreas. The β-cells are located within the islets of Langerhans and are essential for regulating blood glucose by facilitating cellular uptake of...

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Related Experiment Video

Updated: May 15, 2026

Modeling and Evaluation of Murine Diabetic Cardiomyopathy Model

Modeling and Evaluation of Murine Diabetic Cardiomyopathy Model

Published on: November 29, 2024

Diabetes from humans to cats.

M Osto¹, E Zini, C E Reusch

¹Vetsuisse Faculty, Institute of Veterinary Physiology, University of Zurich, Switzerland. mosto@vetphys.uzh.ch

General and Comparative Endocrinology

|December 19, 2012

Summary

Diabetes mellitus is increasingly common in humans and cats, often linked to obesity. This review highlights similarities in the pathophysiology, risk factors, and treatments between human type 2 diabetes and feline diabetes.

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Modeling and Evaluation of Murine Diabetic Cardiomyopathy Model

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

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Published on: May 6, 2013

Area of Science:

Comparative endocrinology
Veterinary internal medicine
Human metabolic disease

Background:

Diabetes mellitus is a prevalent endocrinopathy affecting both humans and cats.
Rising rates of type 2 diabetes in humans and cats are associated with the global obesity pandemic.
Obesity and its metabolic effects are significant risk factors for developing type 2 diabetes in humans and diabetes in cats.

Purpose of the Study:

To review the key characteristics of diabetes mellitus in humans and cats.
To compare the pathophysiology, risk factors, and treatment strategies of human type 2 diabetes and feline diabetes.
To identify similarities and differences between these two conditions based on current scientific knowledge.

Main Methods:

Literature review of human and feline diabetes mellitus.
Comparative analysis of disease characteristics.
Synthesis of information on pathophysiology, risk factors, and treatment.

Main Results:

Feline diabetes shares significant pathophysiological features with human type 2 diabetes.
Obesity is a common underlying risk factor for both human and feline diabetes.
Treatment strategies for feline diabetes often parallel those used for human type 2 diabetes.

Conclusions:

Human type 2 diabetes and feline diabetes exhibit substantial similarities.
Understanding these parallels can inform comparative research and clinical management.
Further research is needed to fully elucidate the nuances and differences between these conditions.