Nephron Development and Morphogenesis in Mammalian Kidneys

Nephron development in mammals involves a coordinated series of cellular and molecular events that convert undifferentiated progenitors into the functional filtering units of the kidney. The process begins with the interaction between the ureteric bud and the metanephric mesenchyme, whereby signals such as GDNF and Wnt9b induce nephron progenitor cells to condense around branching epithelial tips. These progenitors undergo mesenchyme-to-epithelial transition to form a renal vesicle, which sequentially progresses through comma-shaped and S-shaped stages. Segmentation then generates distinct nephron compartments—glomerulus, proximal tubule, loop of Henle and distal tubule—each regulated by gradients of β-catenin, BMP, Notch and FGF signals. Concurrently, branching morphogenesis of the collecting duct system ensures proper alignment and connection of nascent nephrons. Advances in single-cell transcriptomics, computational modelling and organoid culture have revealed the dynamic gene regulatory networks that underlie spatial patterning and segmentation. Insight into epigenetic regulation, metabolic cues and micro-environmental geometry has further refined our understanding of nephron morphogenesis. This knowledge is vital for addressing congenital anomalies, enhancing regenerative therapies and improving strategies for chronic kidney disease management.

Research from Nature Portfolio

Recent studies have employed single-cell multiomics to unravel how mutations in epigenetic regulators perturb nephron differentiation. In a mouse model bearing a Wilms tumour-associated mutation in the acetyl-lysine reader ENL, researchers demonstrated that aberrant ENL activity rewires the transcriptional landscape of both nephron and stromal progenitors. This mutation accelerates initial progenitor commitment while blocking later stages of epithelial maturation, leading to malformation of renal structures and perinatal lethality. Importantly, application of a small-molecule inhibitor targeting mutant ENL’s acetyl-binding pocket largely restored normal chromatin accessibility and transcriptional programmes, offering a proof of principle for epigenetic therapies in congenital kidney dysgenesis.

Nephron Development and Morphogenesis in Mammalian Kidneys publication trend

The graph below shows the total number of articles in nephron development and morphogenesis in mammalian kidneys across all publications each year (not limited to Nature Index journals).

Technical terms

Nephron progenitor: A multipotent mesenchymal cell capable of generating the epithelial segments of the nephron.

Ureteric bud: An epithelial outgrowth from the Wolffian duct that undergoes branching morphogenesis to form the collecting duct system.

Metanephric mesenchyme: The embryonic mesenchymal tissue that gives rise to nephron structures through reciprocal interactions with the ureteric bud.

Renal vesicle: The first epithelial spherical structure formed by condensed nephron progenitors after mesenchyme-to-epithelial transition.

Branching morphogenesis: The process by which epithelial tubes repeatedly bifurcate to establish a complex ductal network.

Single-cell multiomics: An integrative approach combining transcriptomic and epigenomic profiling at single-cell resolution.

References

1. Single-cell multiomics reveals ENL mutation perturbs kidney developmental trajectory by rewiring gene regulatory landscape. Nature Communications (2024).
2. Geometric effects position renal vesicles during kidney development. Cell Reports (2023).
3. The presence of xanthine dehydrogenase is crucial for the maturation of the rat kidneys. Clinical Science (2024).