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Related Concept Videos

Chronic Kidney Disease I: Introduction01:25

Chronic Kidney Disease I: Introduction

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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...
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Chronic Kidney Disease II: Clinical Manifestations01:24

Chronic Kidney Disease II: Clinical Manifestations

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Chronic Kidney Disease (CKD) progressively impairs multiple body systems due to the accumulation of uremic toxins, which disrupt cellular functions across various organs.Neurologic symptomsNeurologic symptoms often arise early in CKD, as uremic toxin buildup drives changes in cognitive and motor functions. Patients frequently experience fatigue, headache, confusion, difficulty concentrating, and, in severe cases, seizures. Peripheral neuropathy commonly manifests as burning sensations in the...
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Chronic Kidney Disease III: Interprofessional Care01:28

Chronic Kidney Disease III: Interprofessional Care

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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...
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Chronic Kidney Disease IV: Nursing Management01:18

Chronic Kidney Disease IV: Nursing Management

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Nursing management is essential for preventing complications, maintaining stability, and improving patients' quality of life in chronic kidney disease (CKD). By using a structured approach, nurses help slow CKD progression and support effective patient care​.1. Comprehensive patient assessmentEffective management begins with nurses reviewing the patient’s medical history, and identifying key risk factors like diabetes, hypertension, and nephrotoxic drug use. Nurses assess signs of...
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Glomerular Filtration01:15

Glomerular Filtration

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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.
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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Kidney Structure01:45

Kidney Structure

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The kidneys are two large bean-shaped organs located in the upper abdomen. They filter the blood several times a day to remove toxins and rebalance water and electrolytes of the circulatory system via the renal veins. The kidneys receive blood directly from the heart via the renal arteries. These arteries enter the kidney at the hilum, the concave surface of the bean, where they branch and divide into smaller vessels and capillaries.
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Related Experiment Video

Updated: Feb 1, 2026

Assessment of Kidney Function in Mouse Models of Glomerular Disease
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More expression, less function: cleaved dynamin in glomerular kidney disease.

Mehmet M Altintas1, Jochen Reiser1

  • 1Department of Medicine, Rush University Medical Center, Chicago, IL, USA.

The Journal of Pathology
|December 15, 2018
PubMed
Summary
This summary is machine-generated.

Dynamin is crucial for kidney filtration. Its loss causes podocyte foot process effacement and proteinuria, but new research may help identify patients benefiting from dynamin-focused therapies.

Keywords:
Bis-T-23Cdc42GTPaseRac1RhoAdynaminglomeruluskidneypodocyteproteinuria

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Area of Science:

  • Nephrology
  • Cell Biology
  • Molecular Medicine

Background:

  • Dynamin is essential for maintaining the kidney filtration barrier by regulating filamentous actin in podocyte foot processes.
  • Cathepsin L-mediated destruction of dynamin disrupts actin networks and signaling, leading to foot process effacement and proteinuria.

Purpose of the Study:

  • To investigate dynamin expression in animal models and human patients with proteinuria.
  • To clarify dynamin's role in glomerular and tubular proteinuria.
  • To identify patients with dynamin dysfunction who could benefit from targeted therapies.

Main Methods:

  • Analysis of dynamin expression in kidneys of proteinuric animal models.
  • Examination of dynamin expression in kidney biopsies from human patients with proteinuria.

Main Results:

  • Data demonstrating altered dynamin expression in proteinuric conditions.
  • Evidence linking dynamin dysfunction to glomerular and tubular proteinuria.
  • Potential for dynamin levels to serve as a biomarker for specific kidney diseases.

Conclusions:

  • Dynamin plays a critical role in the integrity of the kidney filtration barrier.
  • Loss of dynamin function contributes significantly to proteinuria.
  • Identifying dynamin-related kidney disease may enable personalized therapeutic strategies.