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Science 5 December 1980:
Vol. 210. no. 4474, pp. 1133 - 1135
DOI: 10.1126/science.7444441
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Articles

Science, Vol 210, Issue 4474, 1133-1135
Copyright © 1980 by American Association for the Advancement of Science

articles

High-affinity [3H]imipramine binding in rat hypothalamus: association with uptake of serotonin but not of norepinephrine

SZ Langer, C Moret, R Raisman, ML Dubocovich, and M Briley

Inhibition of the binding of [3H]imipramine and inhibition of the uptake of [3H]serotonin and [3H]norepinephrine by a series of antidepressants and other drugs were studied in the rat hypothalamus. No correlation was found between the potencies of these drugs for the inhibition of [3H]imipramine binding and the inhibition of [3H]norepinephrine uptake. There was, however, a highly significant correlation between the potencies of these drugs for the inhibition of [3H]serotonin uptake. These results suggest that high-affinity [3H]imipramine binding might be associated with the mechanism of serotonin uptake in the brain.


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