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Updated: Aug 20, 2025

A Human Cerebral Organoid Model of Neural Cell Transplantation

A Human Cerebral Organoid Model of Neural Cell Transplantation

Published on: July 21, 2023

Brain Organoids to Evaluate Cellular Therapies.

Ana Belén García-Delgado^1,2, Rafael Campos-Cuerva^1,3, Cristina Rosell-Valle¹

¹Unidad de Producción y Reprogramación Celular (UPRC), Red Andaluza de Diseño y Traslación de Terapias Avanzadas (RAdytTA), Fundación Progreso y Salud, 41092 Sevilla, Spain.

Animals : an Open Access Journal From MDPI

|November 26, 2022

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Human brain organoids offer a promising alternative to animal models for evaluating neural stem cell therapies. This in vitro model showed similar cell behavior to mouse models, potentially reducing animal use in regulatory studies.

Area of Science:

Neuroscience
Regenerative Medicine
Translational Science

Background:

Current animal models, primarily murine, have limitations for testing human cell therapies due to interspecies differences in neural mechanisms.
Clinical translation of cell-based medicinal products necessitates advanced models that better reflect human physiology.

Purpose of the Study:

To develop and validate an in vitro model using human brain organoids for assessing neural stem cell therapeutics.
To compare the efficacy and safety evaluation of neural stem cells in human brain organoids versus traditional murine xenograft models.

Main Methods:

Development of an in vitro transplantation model using human brain organoids.
Comparison of neural stem cell differentiation and proliferation in brain organoids and immunodeficient NOD.Cg-Prkdcscid Il2rgtm1Wjl/SzJ (NSG) mouse brains.

Keywords:

3 Rs brain organoids cell therapy neural progenitors neural stem cells reduction translation

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Evaluation of cell therapy potential through in vitro and in vivo xenograft studies.

Main Results:

Neural stem cells exhibited comparable differentiation and proliferation characteristics in both human brain organoids and mouse brains.
The human brain organoid model provided informative data for cell therapy evaluation.

Conclusions:

Human brain organoids serve as a viable and informative in vitro model for evaluating neural stem cell therapies.
This model holds potential for reducing the reliance on animal testing in regulatory assessments for cell-based products.