Title : Influence of opioid agonists on cardiac human ether-a-go-go-related gene K(+) currents.

Pub. Date : 2002 Nov

PMID : 12388652






5 Functional Relationships(s)
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1 Our results show that LAAM, methadone, fentanyl, and buprenorphine were effective inhibitors of I(HERG), with IC(50) values in the 1 to 10 microM range. Methadone potassium voltage-gated channel subfamily H member 2 Homo sapiens
2 Further investigation showed that methadone block of I(HERG) was rapid, with steady-state inhibition achieved within 1 s when applied at its IC(50) concentration (10 microM) for I(HERG) block. Methadone potassium voltage-gated channel subfamily H member 2 Homo sapiens
3 Further investigation showed that methadone block of I(HERG) was rapid, with steady-state inhibition achieved within 1 s when applied at its IC(50) concentration (10 microM) for I(HERG) block. Methadone potassium voltage-gated channel subfamily H member 2 Homo sapiens
4 These results demonstrate that LAAM and methadone can block I(HERG) in transfected cells at clinically relevant concentrations, thereby providing a plausible mechanism for the adverse cardiac effects observed in some patients receiving LAAM or methadone. Methadone potassium voltage-gated channel subfamily H member 2 Homo sapiens
5 These results demonstrate that LAAM and methadone can block I(HERG) in transfected cells at clinically relevant concentrations, thereby providing a plausible mechanism for the adverse cardiac effects observed in some patients receiving LAAM or methadone. Methadone potassium voltage-gated channel subfamily H member 2 Homo sapiens