scholarly journals Enhancement by stannous chloride of calcium entry into motor nerve terminals

1990 ◽  
Vol 52 ◽  
pp. 373
Author(s):  
Toshimi Hattori ◽  
Hiroshi Maehashi
Keyword(s):  
Stannous Chloride ◽  
Motor Nerve ◽  
Calcium Entry ◽  
Nerve Terminals ◽  
Motor Nerve Terminals

The antagonism between botulinum toxin and calcium in motor nerve terminals

1982 ◽  
Vol 216 (1204) ◽  
pp. 369-376 ◽  
Keyword(s):  
Botulinum Toxin ◽  
Transmitter Release ◽  
Calcium Current ◽  
Motor Nerve ◽  
Calcium Entry ◽  
Nerve Endings ◽  
Release Mechanism ◽  
Nerve Terminals ◽  
Motor Nerve Terminals ◽  
Advanced Stages

The effects of tetraethylammonium and manganese, which modify calcium entry into motor nerve terminals, have been studied during advanced stages of botulinum paralysis. Evidence has been obtained that the voltage-activated calcium current in the nerve endings is not significantly reduced by botulinum toxin. The depression of transmitter release that the toxin produces must arise at a later stage, at an intracellular site of the release mechanism.

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