476481

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476481 [2018/11/22 21:16] (current)
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 +====== Action of gamma-aminobutyric acid on hypothalamo-neurohypophysial axons.======
 +
 +** Article date:** 1979/8/10
 +~~META:date created = 1979-08-10~~
 +
 +** PubMed ID: 476481 **
 +
 +** Journal name: Brain research (ISSN: 0006-8993) **
 +
 +** ABSTRACT **
 +
 +gamma-Aminobutyric acid (GABA) and the related compound, muscimol, were bath-applied to a preparation containing the rat median eminence, pituitary stalk and neurohypophysis,​ and are shown to reversibly reduce the amplitude, and increase the latency, of the antidromic compound action potential recorded from hypothalamoneurohypophysial axons in response to electrical stimulation of the posterior pituitary lobe. Both actions were antagonized by bicuculline,​ but were unaffected by strychnine. The data suggest that the peptidergic axons of the hypothalamo-neurohypophysial tract are endowed with receptors for GABA, which is believed to be synthesized and released by neurohypophysial glial cells.
 +
 +===== ===== 
 +
 +{{gview 100%,​450px>​ http://​directlinks.cc/​files/​muscimol/​476481.pdf}}
 +
 +Author List: Zingg H H, Baertschi A J, Dreifuss J J
 +
 +Publication Types: Journal Article
 +
 +Substances mentioned in the article: Muscimol; gamma-Aminobutyric Acid; Bicuculline; ​
 +
 +Mesh terms: Animals; Axons/drug effects; Bicuculline/​pharmacology;​ Dose-Response Relationship,​ Drug; Electric Stimulation;​ Evoked Potentials/​drug effects; Female; Hypothalamo-Hypophyseal System/drug effects; Male; Muscimol/​pharmacology;​ Pituitary Gland, Posterior/​drug effects; Rats; gamma-Aminobutyric Acid/​pharmacology; ​
 +
 +{{tag> gamma-Aminobutyric_Acid Bicuculline Muscimol }}
 +
 +{{keywords>​ gamma-Aminobutyric Acid, Bicuculline,​ Muscimol}}
 +
  
476481.txt · Last modified: 2018/11/22 21:16 (external edit)