Related Experiment Video
Updated: Apr 12, 2026
08:50
Assessment of Vascular Function in Patients With Chronic Kidney Disease
Published on: June 16, 2014
16.9K
Endothelin and the glomerulus in chronic kidney disease
Matthias Barton1, Andrey Sorokin2
1Molecular Internal Medicine, University of Zurich, Zurich, Switzerland.
Seminars in Nephrology
|May 13, 2015
Summary
Endothelin-1 (ET-1) drives kidney disease by causing glomerular inflammation and cell damage. Blocking ET-1 with antagonists may offer new treatments for proteinuria and glomerulosclerosis.
Area of Science:
- Nephrology
- Molecular Biology
- Pathology
Background:
- Endothelin-1 (ET-1) is a peptide crucial for glomerular homeostasis in healthy kidneys.
- Elevated ET-1 levels are implicated in glomerular inflammation, hypertrophy, and podocyte injury during kidney disease.
Purpose of the Study:
- To review the multifaceted role of ET-1 in various glomerular cell types and structures.
- To elucidate the molecular mechanisms underlying ET-1-mediated glomerular injury.
- To assess the therapeutic potential of endothelin antagonists in chronic kidney disease.
Main Methods:
- Comprehensive literature review of ET-1's role in glomerular pathophysiology.
- Analysis of molecular pathways involving ET-1 and its ETA receptor.
- Evaluation of preclinical and clinical data on endothelin antagonists.
Main Results:
- ET-1 contributes to glomerular inflammation, basement membrane hypertrophy, and podocyte injury.
- ETA receptor activation is a key mechanism in ET-1-induced glomerular damage.
- Preclinical and clinical studies support ET-1's pathogenic role in chronic kidney disease.
Conclusions:
- ET-1 plays a significant pathogenic role in glomerular injury and progression of chronic kidney disease.
- Endothelin antagonists represent a promising therapeutic strategy to reduce proteinuria and protect against glomerulosclerosis.
Related Concept Videos
01:20Renal Corpuscle
9.5K
The glomerulus and Bowman's capsule are two essential components of the nephron, which is the functional unit of the kidney. These microscopic structures play a critical role in the process of blood filtration to produce urine.
Glomerulus: Structure and Function
The glomerulus is a tiny, intricate network of capillaries located at the beginning of the nephron. It's enveloped by the Bowman's capsule and receives its blood supply from an afferent arteriole, which divides into numerous...
Glomerulus: Structure and Function
The glomerulus is a tiny, intricate network of capillaries located at the beginning of the nephron. It's enveloped by the Bowman's capsule and receives its blood supply from an afferent arteriole, which divides into numerous...
9.5K
01:25Chronic Kidney Disease I: Introduction
1.2K
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...
1.2K
01:29Acute Kidney Injury II: Pathophysiology
2.0K
Acute kidney injury (AKI) causes are categorized into three primary categories based on the location of the injury: prerenal, intrarenal (or intrinsic), and postrenal causes. This classification guides clinical management and illustrates how different pathways can impair kidney function.Etiology and Pathophysiology of Acute Kidney Injury1. Prerenal causesEtiology: Prerenal Acute Kidney Injury, the most common type, occurs when reduced blood flow to the kidneys decreases filtration capacity...
2.0K
01:28Glomerular Filtration Rate and its Regulation
6.7K
The Glomerular Filtration Rate (GFR) is a measure of kidney function, reflecting the volume of filtrate formed per minute in the kidneys. On average, GFR is approximately 125 mL/min in males and 105 mL/min in females. Maintaining a relatively constant GFR is essential for the kidneys to effectively regulate body fluid homeostasis and maintain extracellular stability.
GFR regulation involves two primary intrinsic controls: the myogenic and tubuloglomerular feedback mechanisms.
The myogenic...
GFR regulation involves two primary intrinsic controls: the myogenic and tubuloglomerular feedback mechanisms.
The myogenic...
6.7K
01:28Chronic Kidney Disease III: Interprofessional Care
645
Chronic kidney disease (CKD) requires collaborative and comprehensive management. CKD progresses through stages and can lead to end-stage kidney disease (ESKD) if untreated. Interprofessional collaboration and patient education are crucial, enabling patients to manage their health and improve their quality of life.Diagnostic approach for chronic kidney diseaseThe diagnosis of CKD primarily focuses on the glomerular filtration rate (GFR), which assesses kidney function by measuring how well...
645
01:10Nephrons
9.5K
The kidneys are intricate organs with millions of working units known as nephrons. Each nephron features two major structures: the renal corpuscle, which facilitates blood plasma filtration, and the renal tubule, which handles the glomerular filtrate. Blood supply is directly linked to the nephrons. The renal corpuscle consists of the glomerulus, a capillary network, and the Bowman's capsule, a double-walled epithelial structure that encases the glomerulus. The filtering of blood plasma...
9.5K