Inactivation of GABA receptors by phenoxybenzamine: Effects on GABA-stimulated benzodiazepine binding in the central nervous system

1982 ◽  
Vol 86 (2) ◽  
pp. 259-264 ◽  
Author(s):  
Roger W.J. Smokcum
2021 ◽  
Vol 10 (13) ◽  
pp. e418101321447
Author(s):  
Cassia Aparecida Borba ◽  
Gabriela Vidal Fernandes ◽  
Jaqueline Campos Campos ◽  
Thais Bueno da Silva ◽  
Rodrigo Vieira Gonzaga

The essential oil from C. aurantium has been widely studied due to its potential anxiolytic action on several receptors in the Central Nervous System (CNS). Although it presents variations in its phytochemical composition depending on its origin, we can highlight that many compounds remain present, such as linalool that demonstrated antagonistic activity on glutamatergic receptors, possible inhibitory action of noradrenaline and serotonin receptors, besides the ability to activate GABA receptors in association with some flavonoids present in the oil. It is globally known that the underlying pathology called anxiety influences worldwide as an antecedent of conflicting psychological and physical disorders, which are associated with various neuronal disorders. In this regard, the oil extracted from C. aurantium flowers shows a potential therapeutic application for the treatment of anxiety disorders. However, more studies are needed to elucidate its complete role on the CNS and to verify and prove its safety and efficacy profile.


Author(s):  
Masahito Watanabe ◽  
Kentaro Maemura ◽  
Kiyoto Kanbara ◽  
Takumi Tamayama ◽  
Hana Hayasaki

Author(s):  
Gladys Harrison

With the advent of the space age and the need to determine the requirements for a space cabin atmosphere, oxygen effects came into increased importance, even though these effects have been the subject of continuous research for many years. In fact, Priestly initiated oxygen research when in 1775 he published his results of isolating oxygen and described the effects of breathing it on himself and two mice, the only creatures to have had the “privilege” of breathing this “pure air”.Early studies had demonstrated the central nervous system effects at pressures above one atmosphere. Light microscopy revealed extensive damage to the lungs at one atmosphere. These changes which included perivascular and peribronchial edema, focal hemorrhage, rupture of the alveolar septa, and widespread edema, resulted in death of the animal in less than one week. The severity of the symptoms differed between species and was age dependent, with young animals being more resistant.


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