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Enhancement of Imipramine Mortality in Hyperthyroid Mice

Abstract

ALTHOUGH the anti-depressant drug imipramine (‘Tofranil’, Geigy) has received broad clinicalacceptance, its mode of action remains uncertain. Nevertheless, potentiation of catecholamine activity is a well-defined pharmacological effect1–3. The other major class of anti-depressant drugs, the monoamine oxidase (MAO) inhibitors, have been shown clearly to inhibit the enzyme and to elevate brain levels of monoamines4; but it is far from certain that their clinical effect is owing to this biochemical property.

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PRANGE, A., LIPTON, M. Enhancement of Imipramine Mortality in Hyperthyroid Mice. Nature 196, 588–589 (1962). https://doi.org/10.1038/196588a0

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