PMID: 9436788Jan 22, 1998Paper

Cells of the oligodendrocyte lineage proliferate following cortical stab wounds: an in vitro analysis

Glia
J A AmatW T Norton

Abstract

We have previously shown that a cortical stab wound induces the proliferation of microglia and astrocytes in situ, but no evidence was obtained for proliferation of cells of the oligodendrocyte lineage (Amat et al., 1996). To study further the properties of cells involved in repair following brain injury, groups of adult rats received either sham operations or bilateral stab wounds. Proliferating cells were labeled in vivo 3 days later with [3H]-thymidine (Thy) and sacrificed the same day. Oligodendrocyte-enriched preparations were isolated, cultured, and analyzed. The fate and antigenic phenotype of the proliferating cells was analyzed using three-color immunofluorescence combined with autoradiography at 1, 2, 3, 5, and 10 days in vitro (DIV). Cells were immunostained for ganglioside GD3 (glial stem cells), O4 antigen (cells of the oligodendrocyte lineage), galactosyl ceramide (GC, differentiated oligodendrocytes), and GFAP (astrocytes). Thymidine-labeled O4+/GC- cells were found only in cultures from wounded animals and most of them differentiated in vitro as mature oligodendrocytes, but no Thy+/O4+/GC+ oligodendrocytes were seen at 1, 2, or 3 DIV. There was also a marked increase in the number of Thy+/GD3+ cells in the exper...Continue Reading

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Citations

Jan 17, 2002·The Journal of Comparative Neurology·Lori EdwardsMichael G Fehlings
Sep 11, 2001·Journal of Neuroscience Research·K IshiiK Uyemura
Jun 25, 1999·Brain Research. Molecular Brain Research·L TerrisseE Rassart
Mar 18, 2011·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·Thomas SchmitzVittorio Gallo
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May 23, 2013·Stroke; a Journal of Cerebral Circulation·Li ZhangZheng Gang Zhang
Mar 29, 2001·Physiological Reviews·N Baumann, D Pham-Dinh

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