A method for generating a microglia-sufficient brain organoid comprising the step of incubating primitive-like macrophage cells with a brain organoid that is between about 15 to about 30 days old in cerebral organoid medium comprising CSF-1 in a low attachment cell culture vessel to generate microglia cells. The present invention also relates to a microglia-sufficient brain organoid obtained by the method as described herein.
MICROGLIA-SUFFICIENT BRAIN ORGANOIDS