Zebrafish Models in Kidney Development and Regeneration
Summary
The zebrafish has emerged as a premier vertebrate model to study kidney organogenesis and repair. Its simple pronephric structure, comprising two nephrons with conserved segmentation, mirrors fundamental aspects of mammalian nephrons while permitting high-resolution imaging and precise genetic manipulation. Transparent embryos allow real-time observation of nephron patterning, from mesenchymal–epithelial transition to the definition of proximal and distal tubule domains. In the adult mesonephros, zebrafish regenerate new nephrons following injury, recapitulating key cellular and molecular processes of mammalian tubule repair. Investigations have revealed roles for reactive oxygen species, epigenetic remodelling and novel regulatory peptides in orchestrating proliferative responses of renal progenitor cells. This combination of accessibility, optical clarity and regenerative competence has propelled zebrafish to the forefront of kidney research.
Research from Nature Portfolio
Recent studies have revealed the intricate balance of accelerators and brakes that govern zebrafish kidney regeneration. A key neuropeptide precursor, proenkephalin-A, produced by proximal tubular epithelium, was shown to act as an endogenous brake on regenerative outgrowth by inhibiting hydrogen peroxide production in a dose-dependent manner. This brake function ensures proper termination of nephron regeneration, while hydrogen peroxide promotes progenitor aggregation via remodelling of H3K4 trimethylation marks. Functional experiments in penka mutants and selective pharmacological treatments highlighted how the interplay between reactive oxygen species and chromatin state fine-tunes the pace and resolution of kidney repair.
Zebrafish Models in Kidney Development and Regeneration publication trend
The graph below shows the total number of articles in zebrafish models in kidney development and regeneration across all publications each year (not limited to Nature Index journals).
Technical terms
Nephron: The functional filtration unit of the kidney, comprising a glomerulus and segmentally organised tubules.
Pronephros: The embryonic or larval kidney form in zebrafish, consisting of a simplified pair of nephrons.
Podocyte: A specialised epithelial cell lining glomerular capillaries, essential for maintaining the filtration barrier.
Renal progenitor cell: An undifferentiated cell that gives rise to various nephron cell types during development and regeneration.
Proenkephalin-A (PENK-A): A neuropeptide precursor that regulates the rate and termination of kidney regeneration by modulating reactive oxygen species.
Nephron segmentation: The process by which distinct functional domains of the nephron, such as proximal and distal tubules, are established.
References
- Proenkephalin-A secreted by renal proximal tubules functions as a brake in kidney regeneration. Nature Communications (2023).
- Estrogen Signaling Influences Nephron Segmentation of the Zebrafish Embryonic Kidney. Cells (2023).
- In Vivo Assessment of Individual and Total Proteinuria in Zebrafish Larvae Using the Solvatochromic Compound ZMB741. Chemical & Biomedical Imaging (2024).
- Zebrafish as a model for kidney function and disease. Pediatric Nephrology (2018).
- Genetic Renal Diseases: The Emerging Role of Zebrafish Models. Cells (2018).
- Nephron Patterning: Lessons from Xenopus, Zebrafish, and Mouse Studies. Cells (2015).
- Atlas of Cellular Dynamics during Zebrafish Adult Kidney Regeneration. Stem Cells International (2015).
About these summaries
This Nature Research Intelligence Topic summary is created with the cited references and a large language model. We take care to ground generated text with facts, and have systems in place to gain human feedback on the overall quality of the process in line with our AI principles. We strive to create accurate and useful summaries for people unfamiliar with the research topic and that supports this goal. These pages are a beta release and will be updated as we learn how best to help people gain value from a research topic summary.
Turn complex research questions into confident strategic decisions
When you're under pressure to set direction, justify investment, or understand your competitive position, you need more than raw data — you need trusted insights you can act on.
Benchmark your performance against global peers using robust, methodologically sound analysis.
Combine quantitative metrics with qualitative expert insight to uncover strengths, gaps and emerging opportunities.
Gain tailored, decision-ready recommendations aligned to your strategic priorities.
Talk to us to learn more about our data dashboards and bespoke strategy reports.
Grow research skills, confidence and careers with training built for every stage of the research lifecycle.
Developed with Nature Portfolio journal Editors and internationally renowned experts. Discover three ways to learn:
Self-paced, online courses in convenient bite-sized units, covering key skills across scientific writing, publishing, grant writing, data analysis, and more.
Expert trainer-led workshops with hands-on exercises and real-time feedback across core research skills, delivered via interactive group sessions.
Editor-led workshops combining core principles in writing and publishing, personalised 1:1 feedback from Nature Portfolio Editors and hands-on exercises.
Explore course catalogues and workshop agendas, enquire about the options or request institutional pricing.