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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...

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Diabetic Neuropathy

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Diabetic Retinopathy

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Hyperglycemia

Hyperglycemia

Hyperglycemia is an abnormally high blood glucose level. It is diagnosed by fasting glucose ≥126 mg/dL, 2-hour oral glucose tolerance test (or OGTT) ≥200 mg/dL, random glucose ≥200 mg/dL with symptoms, or HbA1c ≥6.5%. However, HbA1c results may be unreliable in certain conditions, such as anemia or hemoglobinopathies, and the diagnosis should be confirmed unless classic symptoms are present. Postprandial hyperglycemia is typically considered significant when glucose levels exceed 180 mg/dL two...

Diabetes Mellitus: Type 2 and Gestational

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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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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.

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Related Experiment Video

Updated: Jun 7, 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

Glycation in diabetic nephropathy.

Josephine M Forbes¹, Mark E Cooper

¹Division of Diabetes Complications, Glycation and Diabetes, Baker IDI Heart and Diabetes Institute, St Kilda Rd Central, P.O. Box 6492, Melbourne, VIC, 8008, Australia. Josephine.Forbes@bakeridi.edu.au

|October 22, 2010

Summary

Diabetic kidney disease involves advanced glycation end products (AGEs) that disrupt kidney function. Targeting AGE accumulation offers a promising therapeutic strategy for managing this condition.

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

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Alternate Immersion in Glucose to Produce Prolonged Hyperglycemia in Zebrafish

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Area of Science:

Nephrology
Endocrinology
Diabetology

Background:

The kidney performs vital functions including waste excretion, fluid balance, and blood pressure regulation.
Diabetes mellitus disrupts kidney function through hemodynamic and metabolic changes, leading to advanced glycation end product (AGE) accumulation.
Hyperglycemia and redox imbalance accelerate AGE production, exacerbating diabetic renal disease.

Purpose of the Study:

To highlight the role of advanced glycation end products (AGEs) in diabetic renal disease.
To identify therapeutic targets for reducing AGE accumulation or their downstream effects in the kidney.

Main Methods:

Review of existing literature on kidney function, diabetes, and AGEs.
Analysis of the mechanisms linking hyperglycemia, redox imbalance, and AGE formation.
Examination of the impact of declining kidney function on AGE excretion.

Main Results:

Increased AGEs are a hallmark of diabetic renal disease, stemming from both increased production and decreased excretion.
AGE accumulation contributes to renal injury by disrupting normal kidney processes.
Reduced glomerular filtration in advanced disease impairs AGE clearance, potentially worsening kidney damage.

Conclusions:

Advanced glycation end products (AGEs) play a significant role in the pathogenesis of diabetic kidney disease.
Strategies aimed at reducing AGE accumulation or mitigating their renal effects are crucial therapeutic goals.
Targeting AGEs represents a promising avenue for treating diabetic renal disease.