Related Experiment Video
Updated: Feb 11, 2026
A Zebrafish Model of Diabetes Mellitus and Metabolic Memory
Published on: February 28, 2013
PLASMA ENDOTHELIN-1 LEVELS AND ALBUMINURIA IN PATIENTS WITH TYPE 2 DIABETES MELLITUS
Introduction:
Microalbuminuria is a very important independent risk factor for the progression of renal diseases as well as diseases of the cardiovascular system. Pathophysiological mechanisms that lead to the development ofmicroalbuminuria in patients with diabetes are complex and they are a result of numerous factors. In the past decade, endothelin-1, the most potent vasoconstrictor peptide, was identified as animportant factor that significantly contributes to the functional and structural renal changes. The objective of this study was to investigate the relationship between plasma concentration of endothelin-1 and urinary albumin excretion in patients with type 2 diabetes mnellitus.
Material And Methods:
There were 76 patients with type 2 diabetes who were divided into those having normoalbuminuria (n-33), microalbuminuria (n=29) and macroalbuinuria (n=14), and 30 healthy controls. Plasma levels of endothelin-1 were measured by enzyme-linked immunosorbent assay.
Results:
There were significant differences in plasma concentration of endothelin-1 among groups (P<0.01). The correlation between endothelin-1. albuminuria. proteinuria and glomercular filtration rate was significant. In multiple regression analyses the plasma concentration of endothelin-l was independently and significantly associated with albuminuria (β=0.01, p=0.009), proteinuria =.02, p<0.001) and glon.erular filtration rate (P3=0βl. pO-.P=)6).0Conclu- sion. Higher plasma concentrations of endothelin-1 are independently associated with the levels of urinary, excretion of albumin Whicw May morroborate tlse hpothesis of apotenstial role of this peptide inl th de- vepment of microalbUminuriauin diabetic necphrpathy.
Insights
Higher endothelin-1 levels are linked to increased albuminuria in type 2 diabetes patients. This finding supports endothelin-1
Area of Science:
- Nephrology
- Endocrinology
- Cardiovascular Medicine
Background:
- Microalbuminuria is a key risk factor for kidney and cardiovascular disease progression.
- Endothelin-1, a potent vasoconstrictor, is implicated in renal functional and structural changes.
- Understanding factors contributing to microalbuminuria in diabetes is crucial.
Purpose of the Study:
- To investigate the relationship between plasma endothelin-1 concentration and urinary albumin excretion.
- To explore the role of endothelin-1 in the development of diabetic nephropathy.
- To assess endothelin-1 levels across different albuminuria stages in type 2 diabetes.
Main Methods:
- Study included 76 patients with type 2 diabetes (categorized by albuminuria levels) and 30 healthy controls.
- Plasma endothelin-1 levels were quantified using enzyme-linked immunosorbent assay (ELISA).
- Statistical analyses included correlation and multiple regression to assess associations.
Main Results:
- Significant differences in plasma endothelin-1 concentrations were observed among the patient groups (P<0.01).
- Plasma endothelin-1 showed significant correlations with albuminuria, proteinuria, and glomerular filtration rate.
- Endothelin-1 levels were independently and significantly associated with albuminuria and proteinuria.
Conclusions:
- Elevated plasma endothelin-1 concentrations are independently associated with urinary albumin excretion levels.
- These findings support the hypothesis of endothelin-1's role in the development of microalbuminuria in diabetic nephropathy.
- Endothelin-1 may be a potential therapeutic target for managing diabetic kidney disease.
Related Concept Videos
01:22Diabetes Mellitus: Type 2 and Gestational
01:22Diabetes Mellitus: Overview and Type I Subtype
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...
02:27Predicting Products: SN1 vs. SN2
With increased substitution on the alkyl halide,...
01:31Factors Affecting Renal Clearance: Drug's Physicochemical Properties and Plasma Levels
One important factor is the drug's molecular size. The kidneys readily excrete smaller molecules below 300 Daltons (Da). On the other hand, molecules weighing between 300 and 500 Da are excreted through both urine and bile. Larger molecules above 500 Da tend to be excreted...
02:13Types of Hormones
01:20Pathophysiology of 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,...