Transplanted neuronal precursors migrate and differentiate in the devel-oping mouse brain |
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Authors: | WEI MIN PENG LI LI YU CHUN YING BAO FAN LIAO XUE SHENG LI MING XUE ZUO Biomedical Research Institute Beijing Normal University Beijing China |
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Institution: | WEI MIN PENG,LI LI YU,CHUN YING BAO,FAN LIAO,XUE SHENG LI,MING XUE ZUO* Biomedical Research Institute,Beijing Normal University,Beijing 100875,China |
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Abstract: | The subventricular zone (SVZ), lining the lateral ventricle in forebrain, retains a population of neuronal precursors with the ability of proliferation in adult mammals. To test the potential of neuronal precursors in adult mice, we transplanted adult SVZ cells labeled with fluorescent dye PKH26 into the lateral ventricle of the mouse brain in different development stages. The preliminary results indicated that the grafted cells were able to survive and migrate into multiple regions of the recipient brain, including SVZ, the third ventricle, thalamus, superior colliculus, inferior colliculus, cerebellum and olfactory bulb etc; and the amount of survival cells in different brain regions was correlated with the development stage of the recipient brain. Immunohistochemical studies showed that most of the grafted cells migrating into the specific target could express neuronal or astrocytic marker. Our results revealed that the neuronal precursors in adult SVZ still retained immortality and ability of proliferation, which is likely to be induced by some environmental factors. |
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Keywords: | subventricular zone (SVZ) neuronal precursor cell transplantation migration differentiation mouse |
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