Related Experiment Video
Updated: Aug 14, 2026
08:10
An Ex Vivo Tissue Culture Model for Fibrovascular Complications in Proliferative Diabetic Retinopathy
Published on: January 25, 2019
[Endothelial vascular desquamation in diabetics]
Vutreshni Bolesti
|January 1, 1988
Summary
Diabetic patients exhibit significantly higher endothelial vascular desquamation compared to healthy individuals. This early vascular change is linked to high blood glucose levels (hyperglycemia).
Area of Science:
- Vascular Biology
- Endocrinology
- Diabetology
Background:
- Endothelial vascular desquamation, the shedding of endothelial cells, is a marker of vascular damage.
- Diabetes mellitus is associated with increased cardiovascular risk and vascular complications.
Purpose of the Study:
- To investigate the prevalence of endothelial vascular desquamation in patients with diabetes mellitus.
- To explore potential correlations between desquamation and diabetes type, duration, or glycemic control.
Main Methods:
- Comparative study design.
- Inclusion of 32 patients with diabetes (Type I and Type II) and 150 healthy controls.
- Assessment of endothelial vascular desquamation.
Main Results:
- Significantly elevated levels of endothelial vascular desquamation were observed in diabetic patients compared to controls.
- No significant differences in desquamation were found based on diabetes type (I or II) or disease duration.
- A strong association between high glycemia and early vascular desquamation was suggested.
Conclusions:
- Early endothelial vascular desquamation is a prominent feature in diabetic patients.
- Hyperglycemia is implicated as a primary driver of this vascular endothelial dysfunction in diabetes.
- Further research is warranted to elucidate the precise mechanisms and clinical implications.
More Related Videos
Related Concept Videos
01:26Type 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...
01:19Type I Diabetes III: Clinical Manifestations
Type 1 diabetes mellitus typically presents with rapid-onset symptoms due to the body’s inability to utilize glucose in the absence of insulin. Since insulin is required for glucose uptake into cells, its deficiency leads to hyperglycemia and cellular energy deprivation, resulting in characteristic clinical features.Polyuria and PolydipsiaOne of the earliest, most prominent symptoms is polyuria (excessive urination). When blood glucose concentrations rise above the renal threshold, the kidneys...
01:24Type 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.
01:31Diabetic 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,...
01:27Diabetic 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...
01:28Diabetic 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...