CRISPR screens in human neural organoids and assembloids

Area of Science:

• Neuroscience
• Developmental Biology
• Genetics

Background:

• Understanding human neurodevelopment and associated diseases is complex.
• Pluripotent stem cells and genome editing offer new research avenues.
• In vitro models like organoids and assembloids allow study of human neural development.

Purpose of the Study:

• To present a detailed protocol integrating pooled CRISPR-Cas9 screening with neural organoid and assembloid models.
• To demonstrate the application of this protocol in mapping disease genes to cellular pathways and neurodevelopmental processes.
• To facilitate the investigation of human brain development and disease mechanisms.

Main Methods:

• Combining pooled CRISPR-Cas9 screening with human neural organoid and assembloid models.
• Detailed protocol for genetic perturbation, screening, and validation of candidate genes.
• Utilizing expertise in stem cell culture, neural differentiation, genetic engineering, FACS, and next-generation sequencing.

Main Results:

• The protocol enables mapping of hundreds of disease genes onto specific cellular pathways.
• It allows for the study of neuronal generation, migration, and integration in human brain development models.
• Screening experiments provide insights into the roles of genes in neural development and disease.

Conclusions:

• The integrated platform of genetic screening and human cellular models is powerful for studying brain development and disease.
• This approach accelerates the discovery of disease mechanisms and potential therapeutic targets.
• It paves the way for novel therapeutic discoveries for neurological disorders.