Taipei Medical University

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Niu CS
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------>journal_name=Neurosci Lett.
------>paper_name=Modification of superoxide dismutase (SOD) mRNA and activity by a transient hypoxic stress in cultured glial cells.
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------>fullAbstract=In order to understand the role of superoxide dismutase (SOD) in response to transient hypoxia or hypoxia-reperfusion in astrocytes, the present study performed an in vitro investigation using rat glial cells in culture. Hypoxia was induced by an incubation with nitrogen gas for 10 min and that followed a further reperfusion with air for 10 min was indicating as hypoxia-normoxia. Activity of SOD was determined by the reduction of nitroblue tetrazolium (NTB). Changes of mRNA for Cu,Zn-SOD or Mn-SOD were also characterized using Northern blotting analysis. Transient hypoxia increased the activity of Mn-SOD but not that of Cu,Zn-SOD in glial cells. Expression of mRNA for SOD was also elevated in cells received hypoxia and the mRNA level for Mn-SOD raised higher than that for Cu,Zn-SOD. In cells received hypoxia-reperfusion, these changes of SOD both the activity and the mRNA level were not observed. Otherwise, the SOD protein amount, both Cu,Zn-SOD and Mn-SOD, identified by Western blotting was not changed in glial cells receiving hypoxic stress or not. The obtained results suggest that gene expression and activity of Mn-SOD in glial cells can be activated in response to the transient hypoxic stress.
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------>authors2=Chang CK
------>authors3=Lin LS Jou SB
------>authors4=Kuo LH
------>authors5=Liao SS
------>authors6=Cheng JT
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------>authors=Niu CS
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------>updateTitle=Modification of superoxide dismutase (SOD) mRNA and activity by a transient hypoxic stress in cultured glial cells.
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------>no=3
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------>publish_year=1998
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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z