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PubMed · 8177814

Electrocardiogram showing changes consistent with desipramine overdose.

J F Wiley
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DesipramineDrug OverdoseEmergenciesHeartHumansPhenytoinPhysostigmineCommentLetter

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J F Wiley. 1994. Electrocardiogram showing changes consistent with desipramine overdose.. https://pubmed.ncbi.nlm.nih.gov/8177814/

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PubMed2002

Inhibition of SK3 channels in the TE671 human medulloblastoma cell line by desipramine and imipramine.

The TE671 human medulloblastoma cell line endogenously expresses SK3 channels. Using patch clamp, we tested the effects on this current of desipramine and imipramine. In both cases, we observed a complete, reversible and concentration-dependent block. The interaction of desipramine with the selective SK3 blocker, apamin, was studied in more detail. Co-application of desipramine and apamin at concentrations close to their IC(50) produced an additive effect that was significantly higher than that of each compound alone. This effect was also observed at IC(25) concentrations. Collectively, these data provide evidence against a common site of action for desipramine and apamin.

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