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Updated: Jun 25, 2025

Guided Differentiation of Mature Kidney Podocytes from Human Induced Pluripotent Stem Cells Under Chemically Defined Conditions
Published on: July 2, 2020
Dach1 is essential for maintaining normal mature podocytes.
Keiko Tanaka1,2, Haruko Hayasaka3, Taiji Matsusaka1
1Departments of Physiology, Tokai University School of Medicine, Kanagawa, Japan.
Dach1 is crucial for mature podocyte integrity. Loss of Dach1 in adult mice leads to albuminuria and glomerulosclerosis, highlighting its role in kidney health.
Area of Science:
- Nephrology
- Molecular Biology
- Genetics
Background:
- Dach1 (Down syndrome cell adhesion molecule 1) is expressed in normal podocytes.
- Dach1 expression diminishes following podocyte injury.
Purpose of the Study:
- To investigate the in vivo role of Dach1 in podocytes.
- To determine Dach1's necessity for maintaining mature podocyte function and integrity.
Main Methods:
- Analysis of global Dach1 knockout (Dach1-/-) mice.
- Generation and analysis of podocyte-specific Dach1 knockout mice using Nphs1-Cre and ROSA-CreERT2 systems.
- Assessment of kidney structure, podocyte phenotype, albuminuria, and glomerulosclerosis.
Main Results:
- Global Dach1-/- mice exhibit early lethality with normal kidney structure.
- Podocyte-specific Dach1 knockout mice (Nphs1-Cre/Dach1fl/fl) showed abnormal albuminuria and focal segmental glomerulosclerosis.
- Inducible podocyte-specific knockout mice (ROSA-CreERT2/Dach1fl/fl) developed albuminuria and sclerotic lesions after tamoxifen treatment.
Conclusions:
- Dach1 is not essential for podocyte differentiation.
- Dach1 is indispensable for maintaining the integrity and function of mature podocytes.
- Loss of Dach1 in mature podocytes leads to kidney disease phenotypes.
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