alpha -Thujone (the active component of absinthe): gamma -Aminobutyric acid type A receptor modulation and metabolic detoxification

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a-Thujone (the active component of absinthe): g-Aminobutyric acid type A receptor modulation and metabolic detoxification

a-Thujone is the toxic agent in absinthe, a liqueur popular in the 19th and early 20th centuries that has adverse health effects. It is also the active ingredient of wormwood oil and some other herbal medicines and is reported to have antinociceptive, insecticidal, and anthelmintic activity. This study elucidates the mechanism of a-thujone neurotoxicity and identifies its major metabolites and ...

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α-Thujone (the active component of absinthe): γ-Aminobutyric acid type A receptor modulation and metabolic detoxification

α-Thujone is the toxic agent in absinthe, a liqueur popular in the 19th and early 20th centuries that has adverse health effects. It is also the active ingredient of wormwood oil and some other herbal medicines and is reported to have antinociceptive, insecticidal, and anthelmintic activity. This study elucidates the mechanism of α-thujone neurotoxicity and identifies its major metabolites and ...

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NMDA-mediated modulation of gamma-aminobutyric acid type A receptor function in cerebellar granule neurons.

GABAA receptors are ligand-gated CI- ion channels with multiple clinically relevant drug-recognition sites. We have previously shown that stimulation of N-methyl-D-aspartic acid (NMDA)-specific glutamate receptors quantitatively alters selected GABAA receptor subunit mRNAs and proteins in primary cultures of rat cerebellar granule neurons. We used whole-cell recordings of GABA-elicited CI- curr...

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Lactone modulation of the gamma-aminobutyric acid A receptor: evidence for a positive modulatory site.

The gamma-aminobutyric acid-A (GABA(A)) receptor complex is allosterically modulated by a variety of substances, some of clinical importance. Barbiturates and neurosteroids augment GABA-currents and also directly gate the channel. A variety of gamma-butyrolactone analogues also modulate GABA-induced currents, with some potentiating and others inhibiting. Because several gamma-thiobutyrolactone ...

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ژورنال

عنوان ژورنال: Proceedings of the National Academy of Sciences

سال: 2000

ISSN: 0027-8424,1091-6490

DOI: 10.1073/pnas.070042397