Related Experiment Video
Updated: Aug 9, 2026

09:11
Retinal Pathophysiological Evaluation in a Rat Model
Published on: May 6, 2022
Pathophysiology of diabetic neuropathy
K A Ward1, M P Dellacorte, P J Grisafi
1St. Joseph's Hospital, Brooklyn, NY.
Journal of the American Podiatric Medical Association
|March 1, 1993
Summary
Diabetic foot complications stem from angiopathy, immunopathy, and neuropathy. This study explores the metabolic and structural factors contributing to diabetic neuropathy, a key complication.
Area of Science:
- Diabetology
- Neurology
- Vascular Medicine
Background:
- Diabetic foot complications are a significant cause of morbidity.
- Angiopathy, immunopathy, and neuropathy are primary contributors to these complications.
- Diabetic neuropathy is a complex condition with multifactorial origins.
Purpose of the Study:
- To review and synthesize current theories on the metabolic causes of diabetic neuropathy.
- To examine the structural factors implicated in the development of diabetic neuropathy.
- To provide a comprehensive overview of the pathogenesis of diabetic neuropathy.
Main Methods:
- Literature review of existing research on diabetic neuropathy.
- Analysis of metabolic pathways affected in diabetes.
- Examination of structural changes in nerves due to hyperglycemia.
Main Results:
- Metabolic derangements, including oxidative stress and advanced glycation end-products, play a crucial role.
- Structural nerve damage results from chronic hyperglycemia and impaired neurotrophic support.
- Both intrinsic nerve defects and extrinsic factors contribute to neuropathy progression.
Conclusions:
- Understanding the metabolic and structural underpinnings of diabetic neuropathy is essential for effective treatment.
- Targeting metabolic pathways and mitigating structural damage may prevent or reverse neuropathy.
- Further research is needed to elucidate specific therapeutic targets for diabetic neuropathy.
Related Concept Videos
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...
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...
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.
Diabetic Foot Ulcer
Definition A diabetic foot ulcer (DFU) is a chronic, non-healing wound that develops in individuals with diabetes. It typically occurs on pressure-bearing areas such as the heel, metatarsal heads, or hallux, and carries a high risk of infection and amputation.Pathophysiology • The development of DFUs can be explained by four interconnected mechanisms: neuropathy, ischemia, infection, and impaired wound healing. • Neuropathy is the most common factor. Sensory neuropathy reduces pain perception,...
Diabetic Retinopathy
DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...
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...
Diabetic Neuropathy
DefinitionDiabetic neuropathy is nerve damage caused by long-standing diabetes mellitus. It results directly from prolonged high blood sugar levels.PathophysiologyThe pathophysiology of diabetic neuropathy involves both metabolic and vascular disturbances triggered by chronic hyperglycemia.Metabolic injury: Elevated glucose levels activate the polyol pathway within nerve cells, leading to the accumulation of sorbitol and fructose. This increases oxidative stress, disrupts normal nerve...

