Title : Effects of bupivacaine and a novel local anesthetic, IQB-9302, on human cardiac K+ channels.

Pub. Date : 2001 Feb

PMID : 11160646






3 Functional Relationships(s)
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1 Bupivacaine and IQB-9302 induced a similar degree of block of HERG channels and induced a steep voltage-dependent decrease of the relative current. Bupivacaine potassium voltage-gated channel subfamily H member 2 Homo sapiens
2 These results suggest that 1) bupivacaine and IQB-9302 block the open state of hKv1.5, Kv2.1, Kv4.3, and HERG channels; and 2) small differences at the N-substituent of these drugs do not affect the drug-induced block of Kv2.1, Kv4.3, or HERG, but specifically modify block of hKv1.5 channels. Bupivacaine potassium voltage-gated channel subfamily H member 2 Homo sapiens
3 These results suggest that 1) bupivacaine and IQB-9302 block the open state of hKv1.5, Kv2.1, Kv4.3, and HERG channels; and 2) small differences at the N-substituent of these drugs do not affect the drug-induced block of Kv2.1, Kv4.3, or HERG, but specifically modify block of hKv1.5 channels. Bupivacaine potassium voltage-gated channel subfamily H member 2 Homo sapiens