Key result
Propofol inhibits homomeric HCN1 channels by preferentially associating with the closed-resting and closed-activated states of the membrane-embedded channel core.
Why the study?
Does propofol inhibit HCN1 pacemaker channels by associating with specific channel states?
Does propofol inhibit HCN1 pacemaker channels by associating with specific channel states?
Propofol inhibits HCN1 pacemaker channels by selectively associating with the closed states of the membrane-embedded channel core, independent of second messengers.
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May inform propofol bradycardia mechanisms; leaves open human relevance and clinical translation.
Lyashchenko et al. (2007) studied HCN1 pacemaker channel gating. Propofol vs. Absence of anesthetic was evaluated on Mechanism of HCN1 channel inhibition. Propofol inhibits homomeric HCN1 channels by preferentially associating with the closed-resting and closed-activated states of the membrane-embedded channel core.
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