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Updated: Feb 14, 2026

Unilateral Ureteral Obstruction Model for Investigating Kidney Interstitial Fibrosis
Published on: April 25, 2025
Chromatin dynamics at the core of kidney fibrosis
Björn Tampe1, Michael Zeisberg1
1Department of Nephrology and Rheumatology, University Medical Center Göttingen, Georg August University, Göttingen, Germany.
Abstract:
Progression of chronic kidney disease is a principal challenge in Nephrology, as effective therapies to halt or even reverse established lesion are not available yet. While numerous growth factors and environmental stimuli that drive progression of chronic kidney disease are present within the fibrotic microenvironment, the effector cells' genetic information needs to be accessible in order to enable the pro-fibrotic response. As more than 2 m of DNA encoding the genetic information is crammed as protein-DNA complex called chromatin within the nucleus of each cell, an accessible chromatin state is a prerequisite in the hierarchical order of events to enable production of fibrotic proteins and fibrotic cellular responses. Here, we review contribution and underlying mechanisms of chromatin organization, histone modifications and DNA methylation to progression of chronic kidney disease, provide recent evidence for cell type-specific cell fate decisions and discuss possible diagnostic and therapeutic applications.
Insights
Chronic kidney disease progression is driven by accessible chromatin. Understanding chromatin organization, histone modifications, and DNA methylation offers new diagnostic and therapeutic targets for kidney fibrosis.
Area of Science:
- Nephrology
- Epigenetics
- Molecular Biology
Background:
- Chronic kidney disease (CKD) progression remains a significant challenge in nephrology.
- Current therapies cannot halt or reverse established kidney lesions.
- The fibrotic microenvironment contains stimuli driving CKD progression, requiring accessible genetic information in effector cells.
Purpose of the Study:
- To review the role of chromatin organization, histone modifications, and DNA methylation in CKD progression.
- To explore the underlying mechanisms of epigenetic regulation in kidney fibrosis.
- To discuss potential diagnostic and therapeutic applications targeting chromatin accessibility.
Main Methods:
- Review of existing literature on chromatin organization and epigenetic modifications in CKD.
- Analysis of mechanisms linking chromatin accessibility to pro-fibrotic responses.
- Examination of cell type-specific epigenetic regulation in kidney disease.
Main Results:
- Accessible chromatin is a prerequisite for pro-fibrotic protein production and cellular responses in CKD.
- Histone modifications and DNA methylation significantly influence the accessibility of genetic information.
- Evidence suggests cell type-specific epigenetic regulation dictates cell fate decisions in kidney fibrosis.
Conclusions:
- Epigenetic mechanisms, particularly chromatin organization, are crucial in driving CKD progression.
- Targeting chromatin accessibility, histone modifications, and DNA methylation presents promising avenues for novel CKD therapies.
- Further research into cell-specific epigenetic regulation could lead to improved diagnostic tools and treatments for kidney fibrosis.
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