Key result
Arachidonic acid inhibited alpha(1G) T-type Ca2+ currents by switching the channels into a nonavailable conformation and affecting transitions between inactivated states.
Population
HEK-293 cells heterologously expressing T-type Ca channel alpha and slow-inactivating alpha mutants
Design
Preclinical
Authors
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No immediate clinical implications; hypothesis-generating for T-type channel modulation in cardiovascular research.
Arachidonic acid inhibits T-type Ca2+ channels via a membrane-delimited, state-independent interaction involving structural determinants of fast inactivation.
Talavera et al. (2004) studied this question. Arachidonic acid (AA) was evaluated on T-type Ca(2+) channel alpha(1G) currents. Arachidonic acid inhibited alpha(1G) T-type Ca2+ currents by switching the channels into a nonavailable conformation and affecting transitions between inactivated states.
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