Related Experiment Video

Updated: May 18, 2026

Guided Differentiation of Mature Kidney Podocytes from Human Induced Pluripotent Stem Cells Under Chemically Defined Conditions
08:06

Guided Differentiation of Mature Kidney Podocytes from Human Induced Pluripotent Stem Cells Under Chemically Defined Conditions

Published on: July 2, 2020

Repair problems in podocytes: Wnt, Notch, and glomerulosclerosis

Hideki Kato1, Katalin Susztak

  • 1Department of Medicine, Division of Nephrology, University of Teikyo, Tokyo, Japan.

Seminars in Nephrology
|September 11, 2012
PubMed

Insights

Wnt/Ctnnb1 and Notch signaling are crucial for kidney development. Their sustained activation in podocytes can cause kidney disease, including albuminuria and glomerulosclerosis.

Area of Science:

  • Nephrology
  • Developmental Biology
  • Molecular Biology

Background:

  • Wnt/Ctnnb1 and Notch signaling are vital for kidney development and podocyte differentiation.
  • These pathways are implicated in kidney injury and disease pathogenesis.
  • Dysregulation of Wnt/Ctnnb1 and Notch signaling in podocytes is linked to kidney pathologies.

Purpose of the Study:

  • To review the roles of Wnt/Ctnnb1 and Notch signaling in podocyte biology.
  • To discuss the regulation of these signaling pathways in the context of kidney development and disease.
  • To highlight the impact of sustained Wnt/Ctnnb1 and Notch activation on podocyte function and kidney health.

Main Methods:

  • Literature review of studies on Wnt/Ctnnb1 and Notch signaling in kidney development and disease.
  • Analysis of data from genetically modified animal models investigating pathway activation in podocytes.
  • Synthesis of current understanding regarding the molecular mechanisms and regulatory networks involved.

Main Results:

  • Sustained activation of Wnt/Ctnnb1 and Notch signaling in podocytes is causally linked to albuminuria.
  • These signaling pathways contribute to the development of glomerulosclerosis.
  • Evidence suggests reactivation of these pathways during kidney injury and disease states.

Conclusions:

  • Wnt/Ctnnb1 and Notch signaling are critical regulators of podocyte homeostasis.
  • Aberrant activation of these pathways in podocytes represents a significant mechanism driving kidney disease progression.
  • Targeting Wnt/Ctnnb1 and Notch signaling may offer therapeutic strategies for kidney disorders.

More Related Videos

An Efficient Sieving Method to Isolate Intact Glomeruli from Adult Rat Kidney10:14

An Efficient Sieving Method to Isolate Intact Glomeruli from Adult Rat Kidney

Published on: November 1, 2018

Isolation of Glomeruli and In Vivo Labeling of Glomerular Cell Surface Proteins09:12

Isolation of Glomeruli and In Vivo Labeling of Glomerular Cell Surface Proteins

Published on: January 18, 2019

Related Concept Videos

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...
Nephrons01:10

Nephrons

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...
Notch Signaling Pathway03:14

Notch Signaling Pathway

The Notch signaling pathway is a major intracellular signaling pathway that is highly conserved over a broad spectrum of metazoan species. It stands unique from other intracellular signaling mechanisms in animals because notch protein itself acts as the receptor as well as the primary signaling molecule.
The Notch gene came into the limelight in 1914 after the discovery that its mutation in Drosophila melanogaster leads to a serrated (or "notched") wing margin phenotype. It was not until 1985...
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...
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...
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...