Related Experiment Video
Updated: Jul 17, 2026
06:39
Glomerular Outgrowth as an Ex Vivo Assay to Analyze Pathways Involved in Parietal Epithelial Cell Activation
Published on: August 19, 2020
Pathophysiology of focal segmental glomerulosclerosis
Kimberly Reidy1, Frederick J Kaskel
1Division of Pediatric Nephrology, Children's Hospital at Montefiore, Albert Einstein College of Medicine, Bronx, NY 10467, USA.
Pediatric Nephrology (Berlin, Germany)
|January 12, 2007
Summary
Focal segmental glomerulosclerosis (FSGS) causes kidney failure and is resistant to steroids. Recent research in animal models and familial cases is revealing key mechanisms of podocyte injury in FSGS.
Area of Science:
- Nephrology
- Pathophysiology
- Glomerular Diseases
Background:
- Focal segmental glomerulosclerosis (FSGS) is a leading cause of nephrotic syndrome resistant to steroids.
- FSGS frequently progresses to end-stage kidney disease (ESKD).
- Understanding FSGS pathophysiology is crucial for developing effective treatments.
Purpose of the Study:
- To review experimental and clinical data on FSGS pathophysiology.
- To elucidate mechanisms of podocyte injury in FSGS.
- To discuss disease progression in FSGS.
Main Methods:
- Review of recent animal models of FSGS.
- Analysis of studies on familial forms of nephrotic syndrome.
- Synthesis of experimental and clinical data on FSGS.
Main Results:
- Recent research has shed light on podocyte injury mechanisms in FSGS.
- Studies in familial nephrotic syndrome provide insights into FSGS pathogenesis.
- Both experimental and clinical data contribute to understanding FSGS.
Conclusions:
- Podocyte injury and disease progression are key aspects of FSGS.
- Animal models and familial studies are valuable for understanding FSGS.
- Further research into FSGS pathophysiology is warranted.
Related Concept Videos
01:24Nephrotic Syndrome I : Introduction
Nephrotic Syndrome is a chronic kidney disorder defined by clinical findings such as severe proteinuria, hypoalbuminemia, hyperlipidemia, and edema. These symptoms result from damage to the glomeruli, the kidney’s filtering units, increasing their permeability to proteins.Definition and Meaning:Proteinuria, defined as the loss of more than 3.5 grams of protein per day in adults, is a crucial feature of nephrotic syndrome. This condition is often accompanied by edema, the accumulation of fluid...
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...
01:20Renal Corpuscle
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 capillaries...
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 capillaries...
01:29Acute Kidney Injury II: Pathophysiology
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...
01:10Nephrons
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 happens...
01:29Physiology of the Genitourinary System I: Renal Blood Flow and Glomerular Filtration
The kidneys are vital organs responsible for regulating blood filtration, waste excretion, and fluid balance, all of which are crucial for maintaining homeostasis. Renal physiology examines renal blood flow, glomerular filtration, and urine formation, ensuring the body’s internal environment remains stable.Renal Blood FlowThe kidneys receive about 20-25% of the cardiac output, typically around 1200 mL of blood per minute in an average adult. Blood flows into the kidneys through the renal...