Abstract

Processes associated with human brain development and function are exceedingly complex, limiting our capacity to investigate disease status and potential treatment strategies in vitro. Recent advancements in human cerebral organoid systems—which replicate early stage neural tube formation, neuroepithelium differentiation, and whole-brain regional differentiation—have allowed researchers to generate more accurate models of brain development and disease. The generation of region-specific cerebral organoids also allows for the direct investigation of the etiology and pathological processes associated with inherited and acquired brain diseases, drug discovery, and drug toxicity. In this review, we provide an overview of various neural differentiation technologies, as well as a critical analysis of their strengths and limitations. We primarily focus on the generation of three-dimensional brain organoid systems and their application in infectious disease modeling, high-throughput compound screening, and neurodevelopmental disease modeling.

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