Abstract:
:The effects of a series of chloride transport blockers (ethacrynate, furosemide, torasemide, 4,4'-diisothiocyano-2,2'-disulfonic acid stilbene and diphenylcarboxylate) on Cl(-)-dependent L-[3H]glutamate (Glu) binding were tested in rat brain membranes, Cl-transport blockers inhibit the Ca2+/Cl(-)-induced increase in L-[3H]Glu binding, some of them without affecting the Ca2+/Cl(-)-independent L-[3H]Glu binding. Increasing the medium osmolarity by augmenting the sucrose concentration also inhibited the Ca2+/Cl(-)-induced increase in L-[3H]Glu binding. The effects of both sucrose and Cl-transport blockers were not additive, suggesting that they acted on the same type of mechanism. We recently suggested that L-[3H]Glu binding to brain membranes corresponds to Glu uptake in membrane vesicles. Therefore we propose that the Cl-transport blockers inhibit a Cl(-)-dependent Glu accumulation into these vesicles.
journal_name
Neurosci Lettjournal_title
Neuroscience lettersauthors
Recasens M,Pin JP,Bockaert Jdoi
10.1016/0304-3940(87)90151-0subject
Has Abstractpub_date
1987-02-24 00:00:00pages
211-6issue
2eissn
0304-3940issn
1872-7972pii
0304-3940(87)90151-0journal_volume
74pub_type
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journal_title:Neuroscience letters
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journal_title:Neuroscience letters
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journal_title:Neuroscience letters
pub_type: 杂志文章
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journal_title:Neuroscience letters
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journal_title:Neuroscience letters
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journal_title:Neuroscience letters
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journal_title:Neuroscience letters
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更新日期:1998-05-15 00:00:00
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journal_title:Neuroscience letters
pub_type: 杂志文章,meta分析
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journal_title:Neuroscience letters
pub_type: 杂志文章
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更新日期:2009-09-22 00:00:00
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