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Modeling and Imaging 3-Dimensional Collective Cell Invasion
Published on: December 7, 2011
Protocol for in vitro immunofluorescence staining in a Transwell co-culture system
Jenny Y Y Ooi1, Yung Shing Tsang1, Lawrence P McMahon2
1Department of Renal Medicine, Monash University Eastern Health Clinical School, Box Hill, VIC 3128, Australia.
Insights
This study details an optimized immunofluorescence (IF) protocol for skeletal muscle myotubes grown on Transwell inserts. The method allows direct IF staining and quantification of myotube differentiation for co-culture studies.
Area of Science:
- Cell Biology
- Biochemistry
- Immunology
Background:
- Immunofluorescence (IF) is crucial for visualizing molecular targets within cells.
- Skeletal muscle myotube formation is a key model for studying muscle development and disease.
- Culturing cells on Transwell inserts facilitates co-culture and mechanistic studies.
Purpose of the Study:
- To present a refined protocol for in vitro immunofluorescence staining.
- To optimize IF for skeletal muscle myotubes cultured on Transwell inserts.
- To enable direct IF analysis in Transwell-based co-culture systems.
Main Methods:
- Protocol development for primary skeletal muscle cell culture.
- Optimization of fixation, permeabilization, and antibody incubation steps.
- IF microscopy for quantifying myotube differentiation and calculating the fusion index.
Main Results:
- Successful implementation of an in vitro IF staining protocol for skeletal muscle myotubes.
- Demonstration of direct IF staining on cell monolayers on permeable supports.
- Quantification of myotube fusion index using IF microscopy.
Conclusions:
- The developed protocol provides a reliable method for direct IF staining in Transwell systems.
- This technique is valuable for studying skeletal muscle myogenesis in co-culture models.
- The protocol enhances the ability to analyze molecular localization and differentiation in complex cell culture setups.
Abstract:
Immunofluorescence (IF) is a key technique for localizing target molecules. Here, we present a protocol for in vitro IF staining optimized for skeletal muscle myotube formation cultured on Transwell inserts. We describe steps for primary cell culture, fixing, permeabilization, and antibody incubation. We then detail procedures for quantifying myotube differentiation by IF microscopy to calculate fusion index. This protocol will enable direct IF staining on cell monolayer seeded on permeable support in co-culture or other Transwell studies.
