Abstract:
:Voltage-gated Na+ currents were recorded from anatomically identified postganglionic muscular sympathetic neurons without and with ATP and GTP in the intracellular solution. The main findings of the study were that cells without ATP and GTP in the intracellular solution express a higher amplitude and greater density of voltage-gated Na+ current, and their Na+ current activates faster and also inactivates faster time dependently. The current is also steady-state inactivated to a lesser degree and recovers from inactivation more slowly in cells without added ATP and GTP. These findings suggest that the presence of ATP and GTP, substrates for channel phosphorylation, changes the kinetic properties of Na+ currents.
journal_name
Neurosci Lettjournal_title
Neuroscience lettersauthors
Rola R,Szulczyk Pdoi
10.1016/j.neulet.2004.02.006keywords:
subject
Has Abstractpub_date
2004-04-08 00:00:00pages
53-6issue
1-2eissn
0304-3940issn
1872-7972pii
S0304394004001648journal_volume
359pub_type
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