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Related Concept Videos

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...
Acute Kidney Injury I: Introduction01:22

Acute Kidney Injury I: Introduction

Introduction:Acute Kidney Injury (AKI) describes a swift decrease in kidney function occurring over hours to days, characterized by the kidneys' failure to remove waste products from the bloodstream. This leads to dangerous complications like metabolic acidosis, fluid overload, and electrolyte imbalances, such as hyperkalemia, which can cause life-threatening arrhythmias. AKI is common in both hospital and outpatient settings, often triggered by dehydration, sepsis, or exposure to nephrotoxic...
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...
Diabetic Nephropathy01:28

Diabetic 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...
Heart Failure Drugs: Inhibitors of Renin-Angiotensin System01:26

Heart Failure Drugs: Inhibitors of Renin-Angiotensin System

The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
Renal Failure: Dose Adjustments01:11

Renal Failure: Dose Adjustments

In patients with renal impairment, drugs undergo significant changes in their pharmacokinetics, which require dosage adjustments to ensure safe and effective therapy.
Reduced renal clearance and elimination rate are common outcomes of renal impairment. These alterations lead to a prolonged elimination half-life and an altered apparent volume of distribution for drugs. As a result, dosage adjustments are typically necessary to maintain optimal drug levels in the body.
However, dosage adjustments...

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Related Experiment Video

Updated: Jun 5, 2026

Mouse Model of Acute to Chronic Kidney Disease Transition Induced by Renal Ischemia/Reperfusion Injury
07:02

Mouse Model of Acute to Chronic Kidney Disease Transition Induced by Renal Ischemia/Reperfusion Injury

Published on: February 10, 2026

Renal fibrosis.

Min Hyun Cho1

  • 1Department of Pediatrics, Kyungpook National University School of Medicine, Daegu, Korea.

Korean Journal of Pediatrics
|December 31, 2010
PubMed
Summary

Renal fibrosis, a key outcome of chronic kidney disease, involves excessive extracellular matrix buildup. Understanding its complex cellular and molecular origins, like epithelial-to-mesenchymal transition, is crucial for further research.

Area of Science:

  • Nephrology
  • Pathology
  • Cell Biology

Background:

  • Renal fibrosis, marked by tubulointerstitial fibrosis and glomerulosclerosis, signifies the end-stage of chronic kidney disease.
  • It is defined by the excessive accumulation and deposition of extracellular matrix components.
  • The condition arises from complex cellular activities and signaling pathways.

Purpose of the Study:

  • To elucidate the multifaceted pathogenesis of renal fibrosis.
  • To highlight the roles of cellular activities and molecular signaling in fibrosis development.
  • To underscore the need for further research due to the complexity of the condition.

Main Methods:

  • Review of cellular activities including epithelial-to-mesenchymal transition, fibroblast activation, monocyte/macrophage infiltration, and apoptosis.
Keywords:
FibrosisGlomerulosclerosisKidney disease

Related Experiment Videos

Last Updated: Jun 5, 2026

Mouse Model of Acute to Chronic Kidney Disease Transition Induced by Renal Ischemia/Reperfusion Injury
07:02

Mouse Model of Acute to Chronic Kidney Disease Transition Induced by Renal Ischemia/Reperfusion Injury

Published on: February 10, 2026

  • Analysis of signaling molecules such as transforming growth factor beta and angiotensin II.
  • Synthesis of current knowledge on renal fibrosis mechanisms.

    • Main Results:

    • Renal fibrosis results from intricate cellular processes and molecular signaling.
    • Key contributors include epithelial-to-mesenchymal transition, fibroblast activation, and inflammatory cell infiltration.
    • Transforming growth factor beta and angiotensin II are implicated signaling molecules.

    Conclusions:

    • The pathogenesis of renal fibrosis is highly complex.
    • Current understanding is limited, necessitating further investigation.
    • Detailed studies are required to fully comprehend and potentially treat renal fibrosis.