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Last Updated: 8 months ago

Possible Interaction: Potassium and Tetraethylammonium

Research Papers that Mention the Interaction

Blockade of the potassium delayed rectifier current by tetraethylammonium (5 mm) or the hyperpolarization‐activated current (Ih) by ZD7288 (10 μm) disrupted the synchronization of the potassium‐induced oscillation.
The Journal of physiology  •  2005  |  View Paper
Substitution of impermeant ions for potassium and blocking of the channel conductance with tetraethylammonium allows the recording of potassium gating currents, Ig, which is hampered in natural excitable cells by the simultaneous presence of sodium channels and a variety of different potassium channels.
Pflügers Archiv  •  2004  |  View Paper
However, tetraethylammoniumchloride , an inhibitor of Ik, was ineffective to block apoptosis after potassium withdrawal.
Cell Death and Differentiation  •  2004  |  View Paper
Blocking potassium currents with tetraethylammonium and replacing chloride ions with methanesulfonate did not unmask an inward current.
The Journal of Membrane Biology  •  2004  |  View Paper
Mouse zygotes exposed to 200 μM H2O2 exhibited potassium efflux that elevated the potassium concentration of the media surrounding embryos by 1.4 ± 0.1 μM. Pretreatment with tetraethylammonium inhibited this increase (0.2 ± 0.1 μM).
Biology of reproduction  •  2000  |  View Paper
Manipulating potassium currents with 1.0 mM tetraethylammonium or elevating potassium ion concentration to 7.5 mM altered evoked responses but did not replicate the injury effects to PV duration.
Journal of neuroscience research  •  2000  |  View Paper
The tachykinin substance P could reduce inward and outward rectification in the dorsal cells, the effect on outward rectification only being seen when potassium conductances were blocked by tetraethylammonium (TEA).
Journal of neurophysiology  •  1996  |  View Paper
The potassium current was blocked by tetraethylammonium , 4-aminopyridine, barium and cobalt.
Biochemical and biophysical research communications  •  1996  |  View Paper
This potassium current was partially blocked by 20 mM tetraethylammonium ions.
Journal of neurophysiology  •  1994  |  View Paper
Tetraethylammonium and 4-aminopyridine effectively blocked potassium outward currents but failed to distinguish this calcium-dependent potassium channel from the other two potassium channels in this preparation.
Journal of neurophysiology  •  1993  |  View Paper
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