Abstract:
:Recent controversies in the existence of saturable binding of general anesthetics in brain tissues prompted a careful examination of specific binding of anesthetics to neural receptors. We examined the binding of both local and general anesthetics using electron spin resonance and radioligand criteria. Our results suggested that the hydrophobic path, most probably through the lipid bilayer, figures importantly in the binding of the uncharged moieties of anesthetics. Competitive interactions by hydrophobic compounds for the high-affinity site in the nicotinic acetylcholine receptor led us to propose a hypothesis that includes a hydrophobic crevice of limited volume as part of the high-affinity site. Association of anesthetic at this crevice is in turn dependent on the anesthetic concentration in the lipid phase of the membrane. The hypothesis provides a mechanism for the saturable interaction of anesthetics with their protein target site in the membrane without violating the correlations expressed by the Meyer-Overton rule of anesthetic action.
journal_name
Ann N Y Acad Scijournal_title
Annals of the New York Academy of Sciencesauthors
Lin L,Koblin DD,Wang HHdoi
10.1111/j.1749-6632.1991.tb33897.xsubject
Has Abstractpub_date
1991-01-01 00:00:00pages
628-44eissn
0077-8923issn
1749-6632journal_volume
625pub_type
杂志文章,评审abstract::T cell protein tyrosine phosphatase (TCPTP) dephosphorylates a number of substrates, including JAK-STAT (signal transducer and activator of transcription) signaling proteins, which are activated by interferon (IFN)-γ, a major proinflammatory cytokine involved in conditions such as inflammatory bowel disease. A critica...
journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章,评审
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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abstract::The plasma levels and the glycosylation of acute-phase proteins (APP) are subject to marked changes during acute and chronic inflammation. The pathophysiological variations in different glycoforms of APP in serum most likely result from changes in the glycosylation process during their biosynthesis in the parenchymal ...
journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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abstract::In the United States, some 80,000 commercial and industrial chemicals are now in use of which over 30,000 are produced or used in the Great Lakes region. Thus, the environmental quality within the Great Lakes basin has been compromised particularly with respect to persistent toxic substances (PTS). Information derived...
journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
doi:10.1111/j.1749-6632.1999.tb08595.x
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abstract::Clinical trials for ischemic stroke have been characterized by a disappointing series of negative results, using a panoply of pharmacologic agents. This paper emphasizes five physiologic measures that can be taken to mitigate ischemic brain damage. These are (1) hypothermia, (2) insulin, (3) arterial hyperoxemia, (4) ...
journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章,评审
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章,评审
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章,评审
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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journal_title:Annals of the New York Academy of Sciences
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更新日期:1998-05-01 00:00:00
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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更新日期:1994-06-17 00:00:00
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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