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Diabetic Nephropathy

Diabetic Nephropathy

Definition Diabetic nephropathy is a chronic kidney complication that results from prolonged hyperglycemia.Prevalence It is the most common cause of chronic kidney disease (CKD) and end-stage renal disease (ESRD) worldwide, affecting up to half of individuals with diabetes.Pathophysiology • Sustained hyperglycemia triggers multiple hemodynamic and metabolic changes in the kidney. • Early in the disease, increased renal blood flow and glomerular hyperfiltration occur due to afferent arteriolar...

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 I Diabetes II: Pathophysiology

Type I Diabetes II: Pathophysiology

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...

Chronic Kidney Disease I: Introduction

Chronic Kidney Disease I: Introduction

Chronic Kidney Disease (CKD) arises when the kidneys progressively lose their ability to function, ultimately leading to end-stage renal disease. At this advanced stage, the kidneys can no longer filter waste or maintain essential body functions, requiring renal replacement therapy (RRT) through dialysis or a kidney transplant for survival.Early-stage chronic kidney disease and detection challengesIn CKD's early stages, symptoms often remain absent because healthy nephrons compensate for...

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.

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...

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Related Experiment Video

Updated: May 28, 2026

Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice

Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice

Published on: May 2, 2025

Epigenetics in diabetic kidney disease.

Marpadga A Reddy¹, Rama Natarajan

¹Department of Diabetes, Beckman Research Institute of City of Hope, 1500 E. Duarte Road, Duarte, CA 91010, USA.

Journal of the American Society of Nephrology : JASN

|October 25, 2011

Summary

Epigenetic mechanisms, like DNA methylation, are crucial for kidney gene regulation and can influence disease development. Understanding these epigenetic processes offers potential for new therapeutic targets in renal diseases.

Area of Science:

Nephrology
Molecular Biology
Epigenetics

Background:

Regulated gene expression via transcription factors is vital for kidney function.
Disruptions in these networks cause biochemical issues seen in renal diseases.
Epigenetic mechanisms, including DNA methylation and histone modifications, control gene regulation by altering chromatin accessibility.

Purpose of the Study:

To explore the role of epigenetic mechanisms in renal dysfunction.
To highlight the impact of epigenetic modifications on biologic phenotypes and disease.
To investigate the transgenerational role of epigenetics in renal diseases like diabetic nephropathy.

Main Methods:

Review of current epigenome research.
Analysis of epigenetic modifications (DNA methylation, histone modifications).

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A Zebrafish Model of Diabetes Mellitus and Metabolic Memory

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Last Updated: May 28, 2026

Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice

Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice

Published on: May 2, 2025

A Zebrafish Model of Diabetes Mellitus and Metabolic Memory

A Zebrafish Model of Diabetes Mellitus and Metabolic Memory

Published on: February 28, 2013

Examination of environmental factors influencing epigenetic changes.

Main Results:

Epigenetic modifications are critical for gene regulation in the kidney.
These modifications are influenced by environmental factors and dictate disease phenotypes.
Epigenetic processes may contribute to renal diseases across generations.

Conclusions:

Epigenetic mechanisms are integral to kidney function and disease.
Advances in epigenome research provide insights into renal dysfunction.
Understanding epigenetics may lead to novel therapeutic strategies for kidney diseases.