A simplified method for immunostaining single endometrial and liver organoids

Area of Science:

• Biotechnology
• Cell Biology
• Organoid Technology

Background:

• Organoids derived from tissues like the endometrium and liver are vital 3D models for studying cellular and molecular processes.
• Immunostaining is crucial for visualizing specific proteins and understanding organ development and disease pathology.

Purpose of the Study:

• To outline a systematic and simplified protocol for isolating, culturing, and immunostaining individual organoids using transwell inserts.
• To optimize fixation, permeabilization, and antibody staining procedures for robust and reproducible results.
• To enable temporal selection of single organoids without disrupting the 3D Matrigel dome structure.

Main Methods:

• Utilized transwell inserts for organoid culture and isolation.
• Standardized protocols for organoid fixation and permeabilization.
• Developed optimized single and double antibody staining procedures for immunostaining.

Main Results:

• Successfully established a method for immunostaining individual organoids within Matrigel domes.
• Demonstrated the ability to select and stain single organoids temporally without structural damage.
• Achieved robust and reproducible immunostaining outcomes.

Conclusions:

• This streamlined protocol facilitates efficient and precise analysis of organoids.
• The method advances the study of endometrial and liver diseases through improved organoid research.
• Enhances the utility of organoid cultures for investigating complex biological mechanisms and therapeutic interventions.