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Related Concept Videos

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The filtration membrane in the renal system is a highly specialized structure essential for filtering blood. It consists of glomerular capillaries and podocytes, forming a selective barrier that permits the passage of water and small solutes while restricting most plasma proteins and blood cells.
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Renal Corpuscle01:20

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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.
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Confocal Fluorescence Microscopy01:16

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Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...
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Nephrons01:10

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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...
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Glomerular Filtration Rate and its Regulation01:28

Glomerular Filtration Rate and its Regulation

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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.
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Renal Drug Excretion: Glomerular Filtration01:02

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The kidney serves as the primary organ responsible for eliminating drugs and their metabolites from the body. This process, known as renal elimination, starts with glomerular filtration and results in urine formation. Each kidney houses millions of functional units called nephrons, where urine production occurs. A nephron has two main components: a renal corpuscle and a renal tubule.
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Updated: Jun 18, 2025

Glomerular Outgrowth as an Ex Vivo Assay to Analyze Pathways Involved in Parietal Epithelial Cell Activation
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Glomerular Outgrowth as an Ex Vivo Assay to Analyze Pathways Involved in Parietal Epithelial Cell Activation

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Focal Segmental Glomerulosclerosis.

Varsha Suresh1, Isaac E Stillman2, Kirk N Campbell1

  • 1Division of Nephrology, Icahn School of Medicine at Mount Sinai, New York, NY.

Advances in Kidney Disease and Health
|July 31, 2024
PubMed
Summary
This summary is machine-generated.

Focal segmental glomerulosclerosis (FSGS) involves kidney damage and podocyte injury, leading to end-stage renal disease (ESRD). Understanding its diverse causes and developing targeted therapies are crucial for patient outcomes.

Keywords:
GeneticsPodocyteProteinuria

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Area of Science:

  • Nephrology
  • Pathology
  • Immunology

Background:

  • Focal segmental glomerulosclerosis (FSGS) is a histological finding of kidney damage characterized by scarring in parts of some glomeruli.
  • It is a heterogeneous condition with varied causes, clinical progression, and treatment responses.
  • Podocyte injury and loss are central to FSGS, arising from primary causes or secondary responses to kidney stressors.

Purpose of the Study:

  • To review the current classification, pathogenesis, and treatment guidelines for FSGS.
  • To highlight the need for improved understanding of FSGS etiology, especially immunologic factors.
  • To discuss emerging and investigational therapeutic strategies for FSGS.

Main Methods:

  • Literature review of current FSGS classification.
  • Analysis of pathophysiologic mechanisms underlying podocyte injury in FSGS.
  • Examination of existing and novel therapeutic approaches for FSGS.

Main Results:

  • FSGS is a leading cause of end-stage renal disease (ESRD) globally, imposing a significant health burden.
  • Current understanding of FSGS pathogenesis, particularly immunologic aspects, remains incomplete.
  • There is a critical need for targeted drug development and advanced therapeutic options.

Conclusions:

  • FSGS represents a complex kidney disorder with podocyte injury as a unifying feature.
  • Further research into diverse etiologies and advanced therapeutic development is essential for managing FSGS.
  • Improved understanding and targeted treatments are needed to address the unmet scientific needs in FSGS.