scholarly journals gamma-Aminobutyric acid-A (GABAA) agonists down-regulate GABAA/benzodiazepine receptor polypeptides from the surface of chick cortical neurons.

1994 ◽  
Vol 269 (2) ◽  
pp. 1548-1553
Author(s):  
P.A. Calkin ◽  
E.M. Barnes
Keyword(s):  
Cortical Neurons ◽  
Benzodiazepine Receptor ◽  
Aminobutyric Acid ◽  
Gamma Aminobutyric Acid

scholarly journals Concurrent acetylcholinesterase staining and gamma-aminobutyric acid uptake of cortical neurons in culture.

1981 ◽  
Vol 29 (2) ◽  
pp. 306-308 ◽  
Author(s):  
M M Mesulam ◽  
M Dichter
Keyword(s):  
Tissue Culture ◽  
Cortical Neurons ◽  
Gabaergic Neurons ◽  
Aminobutyric Acid ◽  
Gaba Uptake ◽  
Acid Uptake ◽  
Gamma Aminobutyric Acid ◽  
Acetylcholinesterase Staining ◽  
Culture Positive

Gamma-aminobutyric acid (GABA) uptake and acetylcholinesterase (AChE) content were demonstrated concurrently in cortical neurons grown in tissue culture. Positive reactions either for GABA uptake or for AChE content were encountered in pyramidal and stellate, as well as spindle-shaped neurons. Neither reaction was confined to a specific morphological subtype. Nearly half the neurons were negative for either reaction. Most of the remaining neurons were positive only for GABA or only for AChE. However, a subpopulation of neurons showed not only a high AChE content, but also an avid GABA uptake. Thus, four types of neurons could be identified on the basis of these two reactions. The high AChE content in some of the cortical neurons that also showed GABA uptake indicates that there are at least two distinct types of GABAergic neurons.

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