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, 16 (11), 1040-4

Chimeric Brains Generated by Intraventricular Transplantation of Fetal Human Brain Cells Into Embryonic Rats

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Chimeric Brains Generated by Intraventricular Transplantation of Fetal Human Brain Cells Into Embryonic Rats

O Brüstle et al. Nat Biotechnol.

Abstract

Limited experimental access to the central nervous system (CNS) is a key problem in the study of human neural development, disease, and regeneration. We have addressed this problem by generating neural chimeras composed of human and rodent cells. Fetal human brain cells implanted into the cerebral ventricles of embryonic rats incorporate individually into all major compartments of the brain, generating widespread CNS chimerism. The human cells differentiate into neurons, astrocytes, and oligodendrocytes, which populate the host fore-, mid-, and hindbrain. These chimeras provide a unique model to study human neural cell migration and differentiation in a functional nervous system.

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