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Published May 20, 1994 | metadata_only
Journal Article

Long-distance neuronal migration in the adult mammalian brain


During the development of the mammalian brain, neuronal precursors migrate to their final destination from their site of birth in the ventricular and subventricular zones (VZ and SVZ, respectively). SVZ cells in the walls of the lateral ventricle continue to proliferate in the brain of adult mice and can generate neurons in vitro, but their fate in vivo is unknown. Here SVZ cells from adult mice that carry a neuronal-specific transgene were grafted into the brain of adult recipients. In addition, the fate of endogenous SVZ cells was examined by microinjection of tritiated thymidine or a vital dye that labeled a discrete population of SVZ cells. Grafted and endogenous SVZ cells in the lateral ventricle of adult mice migrate long distances and differentiate into neurons in the olfactory bulb.

Additional Information

© 1994 American Association for the Advancement of Science. Received 3 December 1993; accepted 31 March 1994. All treatments on experimental animals were in accordance with institutional guidelines. We thank S. Forss-Petter and P. Danielson for the NSEp transgenic mice and F. Nottebohm, M. E. Hatten, and G. Fishell for comments on the manuscript. Supported by NIH grant NS 24478 and a Sinsheimer award to A.A.-B. C.L. is a recipient of a La Caixa Foundation graduate program fellowship.

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August 20, 2023
August 20, 2023