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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Lack of influence of brain catecholamines on acute effects of barbiturates.

Rats with cerebral electrode implants were tested for sensitivity to EEG burst suppression by intravenously-infused sodium methohexital following manipulation of brain catecholamine function. Although depletion of both norepinephrine (NE) and dopamine (DA) with 6-hydroxydopamine resulted in a slight increase in methohexital sensitivity (MHS), similar depletion with alpha-methyltyrosine did not alter MHS. In addition, desipramine, an agent which selectively blocks uptake of NE did not affect MHS. The results indicate that brain NE and DA exert little, if any, effect on brain responsiveness to the acute effect of barbiturates.[1]

References

  1. Lack of influence of brain catecholamines on acute effects of barbiturates. Bourn, W.M., Reigel, C.E. Pharmacol. Biochem. Behav. (1980) [Pubmed]
 
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