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McMahon, SS,McDermott, KW
2006
April
Journal Of Neuroscience Methods
A comparison of cell transplantation and retroviral gene transfection as tools to study lineage and differentiation in the rat spinal cord
Published
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Optional Fields
radial glia transplantation immunoselection retroviral vector in utero injection lineage differentiation spinal cord RADIAL GLIAL-CELLS PRECURSOR CELLS VENTRICULAR ZONE ASTROCYTES MIGRATION TRANSFORMATION PROLIFERATION NEURONS/ REGIONS CORTEX
152
243
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Establishing the cell lineage relationships of cells during development allows insight into when and where developmental decisions are made. In the developing spinal cord, the origin and fate of radial glial has yet to be determined. One way in which to address this question is to transplant enriched populations of radial glia into the ventricular zone (VZ) region of host embryos to examine the lineage and differentiation pattern of these cells. An indirect selection procedure using immunomagnetic beads (Dynabeads; Dynal Biotech) was used here to isolate spinal cord radial glia. This negative immunoselection procedure resulted in a high yield of radial glia. A fluorescent cytoplasmic dye (Cell Tracker Green CMFDA) was used to label radial glia before transplantation. The role of radial glia as progenitor cells can also be examined using a green fluorescent protein (GFP)-expressing retroviral vector. The retroviral vector allows dividing cells in the VZ region of the spinal cord to be tracked by labelling them with GFP. Both techniques were utilised here to successfully label and examine embryonic spinal cord radial glia in vivo after a microinjection of either fluorescently labelled radial glia or replication-incompetent GFP-expressing retrovirus in utero. (c) 2005 Elsevier B.V. All rights reserved.
DOI 10.1016/j.jneumeth.2005.09.008
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