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Live-Cell Calcium Imaging in 3D Intestinal Organoids.
1Chair of Molecular Nutritional Medicine, School of Life Sciences, Technische Universität München, Freising-Weihenstephan, Germany. eva.rath@tum.de.
Methods in Molecular Biology (Clifton, N.J.)
|October 12, 2024
Summary
Live-cell calcium (Ca2+) imaging in intestinal organoids effectively visualizes cellular responses. This technique aids in studying gastrointestinal disorders like malabsorption and secretory diarrhea.
Area of Science:
- Physiology
- Cell Biology
- Biochemistry
Background:
- Live-cell calcium (Ca2+) imaging is crucial for studying receptor activation and transport processes.
- Intracellular Ca2+ changes directly indicate substrate fluxes.
- Organoid systems, especially intestinal organoids, offer significant advantages over traditional in vitro models.
Purpose of the Study:
- To describe a method for live-cell Ca2+ imaging in 3D intestinal organoids.
- To highlight the utility of this technique for investigating functional gastrointestinal processes.
Main Methods:
- Application of the fluorescent Ca2+ indicator Fura-2-AM to intestinal organoids.
- Live-cell imaging of Ca2+ dynamics within 3D organoid structures.
- Demonstration of excellent dye-loading efficiency in organoids.
Main Results:
- Successful implementation of live-cell Ca2+ imaging in intestinal organoids.
- High dye-loading efficiency observed in the organoid model.
- Demonstrated potential for studying Ca2+ signaling in complex intestinal tissue models.
Conclusions:
- Live-cell Ca2+ imaging is a powerful and efficient technique for intestinal organoids.
- This method enhances research into malabsorption syndromes, secretory diarrhea, and metabolic disorders.
- Intestinal organoids provide a valuable platform for Ca2+ dynamics studies relevant to human diseases.
