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Related Concept Videos

Nephrotic Syndrome I : Introduction01:24

Nephrotic 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...
Physiology of the Genitourinary System I: Renal Blood Flow and Glomerular Filtration01:29

Physiology 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...
Renal Corpuscle01:20

Renal 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...
Nephrotic Syndrome II : Assessment and Medical Management01:26

Nephrotic Syndrome II : Assessment and Medical Management

IntroductionNephrotic syndrome is a kidney disorder marked by excessive protein loss in the urine, leading to various systemic complications. This condition often results from damage to the glomeruli—the kidney's filtering units—causing proteinuria, low blood protein levels, and fluid retention. Understanding the assessment, diagnosis, and management of nephrotic syndrome is essential for effective treatment and prevention of further kidney damage.AssessmentPatient History: Document any history...
Acute Kidney Injury II: Pathophysiology01:29

Acute 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...
Glomerular Filtration01:15

Glomerular Filtration

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.
Components of the Filtration Membrane
The filtration process involves three key layers: the glomerular endothelial cells, the basement membrane, and the podocyte-formed filtration slits.

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Related Experiment Video

Updated: May 9, 2026

Using 2-Photon Microscopy to Quantify the Effects of Chronic Unilateral Ureteral Obstruction on Glomerular Processes
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The primary glomerulonephritides: a systems biology approach.

Song Jiang1, Peter Y Chuang, Zhi-Hong Liu

  • 1Research Institute of Nephrology, Jinling Hospital, Nanjing University School of Medicine, 305 East Zhongshan Road, China.

Nature Reviews. Nephrology
|July 17, 2013
PubMed
Summary

Understanding the causes of primary glomerular diseases like IgA nephropathy is limited. Comprehensive omics analyses show promise but require larger, kidney-specific datasets for improved diagnosis and treatment.

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Area of Science:

  • Nephrology
  • Genomics
  • Molecular Biology

Background:

  • The pathogenesis of primary glomerular diseases (IgA nephropathy, membranous nephropathy, focal segmental glomerulosclerosis) remains poorly understood.
  • Advances in omics technologies enable high-throughput characterization of biological samples.
  • Current omics studies are hampered by small sample sizes and lack of kidney-specific data.

Purpose of the Study:

  • To explore the application of omics analyses in understanding primary glomerular diseases.
  • To highlight the need for standardized approaches and kidney-specific datasets.

Main Methods:

  • Genome-wide characterization of genes and gene products.
  • Comprehensive omics analyses (genomics, transcriptomics, proteomics, metabolomics).
  • Application in animal models and human patients with IgA nephropathy, membranous nephropathy, and focal segmental glomerulosclerosis.

Main Results:

  • Omics analyses have been applied to study primary glomerular diseases.
  • Most studies, except large genomic ones, suffer from inadequate sample sizes.
  • Lack of kidney-specific datasets derived from biopsy samples limits current findings.

Conclusions:

  • Collaborative efforts for standardized patient recruitment and tissue sampling are crucial.
  • Integrating molecular data with clinical and histopathological findings is essential.
  • This systematic approach is expected to advance the diagnosis and treatment of glomerular diseases.