Abstract
Deciphering the molecular basis of HCN channel regulation by cGMP leads to the serendipitous discovery of cyclic dinucleotides as potent inhibitors of I(f) current in the heart.
MeSH terms
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Animals
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Cyclic AMP / metabolism*
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Cyclic GMP / analogs & derivatives*
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Cyclic GMP / metabolism
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Dinucleoside Phosphates / metabolism*
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Humans
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Hyperpolarization-Activated Cyclic Nucleotide-Gated Channels / metabolism*
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Ion Channel Gating / physiology*
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Muscle Proteins / metabolism*
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Potassium Channels / metabolism*
Substances
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Dinucleoside Phosphates
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HCN4 protein, human
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Hyperpolarization-Activated Cyclic Nucleotide-Gated Channels
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Muscle Proteins
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Potassium Channels
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cyclic diadenosine phosphate
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bis(3',5')-cyclic diguanylic acid
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Cyclic AMP
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Cyclic GMP