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Publication Detail
PDGF increases the expression of Fos and Jun in newly formed oligodendrocytes that have become resistant to the mitogenic effect of PDGF.
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Journal Article
  • Authors:
    Hart IK, Richardson WD, Raff MC
  • Publication date:
    1992
  • Pagination:
    310, 313
  • Journal:
    Glia
  • Volume:
    6
  • Issue:
    4
  • Status:
    Published
  • Country:
    United States
  • Print ISSN:
    0894-1491
  • Language:
    eng
  • Keywords:
    Animals, Cell Division, DNA, Drug Resistance, Gene Expression, Genes, fos, Genes, jun, Mitogens, Oligodendroglia, Optic Nerve, Platelet-Derived Growth Factor, Proto-Oncogene Proteins c-fos, Proto-Oncogene Proteins c-jun, Rats, Stem Cells
Abstract
Bipotential glial (O-2A) progenitor cells give rise to oligodendrocytes on a predictable schedule in the developing rat optic nerve. The loss of mitotic responsiveness to platelet-derived growth factor (PDGF) that is seen when O-2A progenitor cells initially differentiate into oligodendrocytes seems to reflect blocks or deficiencies downstream to some of the early intracellular signalling events induced by PDGF. Here we show that PDGF increases the expression of the Fos and Jun nuclear proteins in newly formed oligodendrocytes in vitro, suggesting that at least one intracellular signalling pathway to the nucleus is activated by PDGF in these cells even though they do not synthesize DNA in response to PDGF.
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