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Pathophysiology of Diabetes

Pathophysiology of Diabetes

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, suggesting a...

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...

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...

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...

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.

Diabetes Mellitus: Overview and Type I Subtype

Diabetes Mellitus: Overview and Type I Subtype

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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Monitoring Blood Glucose in Mouse Offspring After Intracytoplasmic Sperm Injection

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Maternal diabetes and perinatal programming.

¹Clinic of Obstetrics, Research Group ‘Experimental Obstetrics’, Charité-University Medicine Berlin, Campus Virchow-Klinikum, Augustenburger Platz 1, Berlin, Germany. andreas.plagemann@charite.de

Early Human Development

|September 28, 2011

Summary

This summary is machine-generated.

Maternal diabetes and overfeeding during pregnancy can epigenetically program offspring for later obesity and diabetes. Preventing excessive nutrition and managing gestational diabetes are key for long-term infant health.

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Induction of Maternal Immune Activation in Mice at Mid-gestation Stage with Viral Mimic Poly(I:C)

Induction of Maternal Immune Activation in Mice at Mid-gestation Stage with Viral Mimic Poly(I:C)

Published on: March 25, 2016

Area of Science:

Developmental biology
Endocrinology
Public Health

Background:

The intrauterine and neonatal environments significantly influence long-term health, a concept known as perinatal programming.
Hormones and nutrients act as critical dose-dependent organizers of fetal development.
Offspring of diabetic mothers (ODM) serve as a key model for understanding these developmental mechanisms.

Purpose of the Study:

To explore how maternal hyperglycemia and subsequent fetal hyperinsulinism in ODM contribute to later-life disease predisposition.
To investigate the role of perinatal overnutrition, including overfeeding and elevated glucose/insulin levels, in epigenetic programming.
To identify clinical strategies for preventing long-term health issues in offspring.

Main Methods:

Review of epidemiological, clinical, and experimental data concerning ODM and perinatal programming.
Analysis of the effects of elevated insulin and glucose concentrations during the perinatal period.
Examination of the impact of pre- and neonatal overfeeding on developmental trajectories.

Main Results:

Fetal and neonatal hyperinsulinism, resulting from maternal hyperglycemia, is a hallmark of ODM.
Elevated perinatal insulin and glucose levels can epigenetically predispose offspring to obesity and diabetes.
Overfeeding in the pre- and neonatal periods may induce similar long-term health risks.

Conclusions:

Maternal overnutrition and diabetes during pregnancy necessitate careful management to mitigate risks for offspring.
Universal diabetes screening in pregnant women and adequate gestational diabetes therapy are crucial preventative measures.
Avoiding neonatal overfeeding is recommended to support long-term health and prevent metabolic disorders in children.