L-Type Ca(2+) channels (LTCCs) play a key role in the regulation of vascular smooth muscle contraction, and substances that interfere with their function (Ca(2+) channel blockers) are widely used in the therapy of hypertension. Here, we report anthracene-maleimide derivatives as new LTCC blockers. Among these, 3, lacking intracellular effects, was investigated in more detail. The results show that 3 binds preferentially to inactivated LTCCs, directly interacting with the pore-forming subunit of the channel.
Anthracene Based Compounds as New L-type Ca2+ Channel Blockers: Design, Synthesis, and Full Biological Profile
BOVA, SERGIO;CIMA, LORENZO;CAVALLI, MAURIZIO;
2009
Abstract
L-Type Ca(2+) channels (LTCCs) play a key role in the regulation of vascular smooth muscle contraction, and substances that interfere with their function (Ca(2+) channel blockers) are widely used in the therapy of hypertension. Here, we report anthracene-maleimide derivatives as new LTCC blockers. Among these, 3, lacking intracellular effects, was investigated in more detail. The results show that 3 binds preferentially to inactivated LTCCs, directly interacting with the pore-forming subunit of the channel.
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