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Workflow for Quantitative Proteomic Analysis of Intestinal Organoids Using SILAC
Alexis Gonneaud1, Claude Asselin1, Véronique Giroux1
1Department of Immunology and Cell Biology, Applied Cancer Research Pavilion, Faculty of Medicine and Health Sciences, Université de Sherbrooke, QC, Canada.
Methods in Molecular Biology (Clifton, N.J.)
|November 12, 2022
Summary
This study introduces a novel method combining Stable Isotope Labeling by Amino Acids in Cell Culture (SILAC) with 3D intestinal organoids. This technique enables precise quantitative proteomic analysis of organoid models for various research applications.
Area of Science:
- Proteomics
- Cell Biology
- Biochemistry
Background:
- Stable Isotope Labeling by Amino Acids in Cell Culture (SILAC) is a quantitative mass spectrometry technique.
- Three-dimensional (3D) cell culture, specifically intestinal organoids, mimics in vivo intestinal tissue.
- Organoids offer a model for studying cell distribution, differentiation, and responses to various stimuli.
Purpose of the Study:
- To describe the generation of SILAC-labeled intestinal organoids from mouse small intestine.
- To enable quantitative proteomic analysis of intestinal organoids under different conditions.
Main Methods:
- Generation of intestinal organoids from mouse small intestine crypts.
- Application of SILAC labeling to these organoids.
- Quantitative mass spectrometry for protein analysis.
Main Results:
- Successful generation of SILAC-labeled mouse intestinal organoids.
- Demonstration of a method for quantitative proteomic analysis in organoid models.
Conclusions:
- The described method integrates SILAC with intestinal organoids for advanced proteomic studies.
- This approach facilitates research into intestinal biology, disease, and drug responses.
