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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2
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pubmed:dateCreated |
1998-7-28
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pubmed:abstractText |
Increasing evidence suggests that the immune cytokine interferon-gamma (IFN-gamma) plays a deleterious role in immune-mediated demyelinating disorders. To further understand the effects of IFN-gamma on oligodendrocytes, we have compared and quantitated the response of developing and mature oligodendrocytes in vitro to IFN-gamma and have observed several differences. Morphological changes and cell death occurred in developing cultures after 2 days in IFN-gamma, and in mature oligodendrocytes after 4-7 days. Developing oligodendrocytes underwent significantly increased apoptotic cell death in the presence of IFN-gamma, but mature oligodendrocytes exposed to IFN-gamma died of necrosis. Prior to morphological changes or cell death in mature oligodendrocytes exposed to IFN-gamma, steady-state levels of myelin-specific mRNAs and proteins were reduced. Thus, these results indicate that the sensitivity of oligodendrocytes to IFN-gamma is related to the developmental state of the cell. Such information is crucial for understanding the response of oligodendrocytes in immune-mediated demyelinating disorders and during remyelination in these diseases.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Apr
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pubmed:issn |
0360-4012
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
15
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pubmed:volume |
52
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
230-9
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pubmed:dateRevised |
2008-11-21
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pubmed:meshHeading |
pubmed-meshheading:9579413-Animals,
pubmed-meshheading:9579413-Animals, Newborn,
pubmed-meshheading:9579413-Apoptosis,
pubmed-meshheading:9579413-Cell Differentiation,
pubmed-meshheading:9579413-Gene Expression Regulation, Developmental,
pubmed-meshheading:9579413-Interferon-gamma,
pubmed-meshheading:9579413-Myelin Sheath,
pubmed-meshheading:9579413-Necrosis,
pubmed-meshheading:9579413-Oligodendroglia,
pubmed-meshheading:9579413-Rats
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pubmed:year |
1998
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pubmed:articleTitle |
Developing and mature oligodendrocytes respond differently to the immune cytokine interferon-gamma.
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pubmed:affiliation |
Neuroscience Center, University of North Carolina, Chapel Hill 27599-7250, USA.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.
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