Cerebral Organoid Arrays for Batch Phenotypic Analysis in Sections and Three Dimensions

Area of Science:

• Biotechnology
• Developmental Biology
• Neuroscience

Background:

• Organoids model human phenotypes and functions, crucial for research.
• Organoid variability necessitates large sample sizes, increasing time and reagent costs.
• Current methods for organoid analysis are time-consuming and reagent-intensive.

Purpose of the Study:

• To develop a fast and efficient strategy for batch analysis of organoid phenotypic changes.
• To enable high-throughput investigation of spatial biomarker distribution in organoids.
• To facilitate comparative studies of organoids in disease models and drug screening.

Main Methods:

• Developed an array mold for microwell-based agarose embedding of organoids.
• Applied staining and imaging techniques to both sectioned and 3D organoids.
• Utilized fluorescence micro-optical sectioning tomography (fMOST) and whole-mount immunostaining for analysis.

Main Results:

• Successfully demonstrated array embedding, staining, and imaging of cerebral organoids.
• Enabled in situ analysis of spatial biomarker distribution in various disease models, including aging.
• Facilitated reliable comparison of organoids across different experimental groups through parallel processing.

Conclusions:

• The developed strategy offers a comprehensive approach for efficient organoid phenotypic analysis.
• This method supports high-throughput screening and detailed investigation of organoid models.
• The strategy is applicable to disease modeling, drug screening, and developmental biology research.