Related Experiment Video
Updated: May 30, 2026

Single-channel Analysis and Calcium Imaging in the Podocytes of the Freshly Isolated Glomeruli
Published on: June 27, 2015
Control of kidney development by calcium ions
Thierry Gilbert1, Catherine Leclerc, Marc Moreau
1CNRS UMR 5547, Centre de Biologie du Développement, Université de Toulouse, Toulouse, France. tgilbert@cict.fr
Calcium ions are crucial for kidney development, influencing early embryonic stages like pronephros formation and metanephric nephrogenesis. Recent findings highlight calcium signaling pathways essential for tubule formation and kidney organogenesis.
Area of Science:
- Developmental Biology
- Cellular Physiology
- Nephrology
Background:
- Calcium is present throughout kidney development, from larval pronephros to adult metanephros.
- Calcium-binding proteins like regucalcin/SMP-30 and calbindin-D28k are markers for specific kidney structures.
- The precise role of calcium signaling in renal organogenesis has been unclear.
Purpose of the Study:
- To review the current understanding of calcium's role in embryonic kidney development.
- To focus on calcium-binding proteins and sensors involved in renal organogenesis.
- To explore the connection between calcium signals and polycystins.
Main Methods:
- Literature review of studies on calcium and renal organogenesis.
- Analysis of research on calcium-binding proteins and sensors in kidney development.
- Examination of signaling pathways, including calcium/NFAT Wnt.
Main Results:
- Calcium plays a key role in determining pronephric territory and converting metanephric mesenchyme into nephrons.
- Calcium influx and transients are observed in renal progenitors, facilitating tubule formation.
- Nuclear calcium signaling and the calcium/NFAT Wnt pathway are vital for nephrogenesis.
Conclusions:
- Calcium ions and their signaling pathways are indispensable for multiple stages of kidney organogenesis.
- Understanding these calcium-dependent mechanisms is crucial for insights into kidney development and disease.
- Further research into nuclear calcium signaling and its link to polycystins is warranted.
Related Concept Videos
Feedback Regulation of Calcium Concentration
Various transmembrane receptors, such as G protein-coupled receptors (GPCRs), elicit a response to extracellular signals by increasing cytosolic calcium. Activated GPCRs...
Skeleton and Calcium Homeostasis
Introduction to Urinary System
The kidneys are bean-shaped organs located in the retroperitoneal space, on either side of the vertebral column, between the T12 and L3 vertebrae. They are partially protected by the rib cage and surrounded by perirenal fat, which provides cushioning. They are responsible for urine formation and play critical roles in regulating blood pressure, electrolyte levels, and hormone production. The ureters...
Synthesis and Functions of Calcitonin
The exact mechanisms by which calcitonin operates in calcium homeostasis remain elusive, but its significance is evident in several vital...
Calmodulin-dependent Signaling
The Ca2+-CaM complex does not have enzymatic activity by itself. Instead, the complex binds downstream target proteins, including membrane proteins or enzymes,...
Roles of Electrolytes: Calcium and Phosphate
The calcium concentration in blood plasma is primarily regulated...
