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. 1977 Jul 1;197(4298):67-9.
doi: 10.1126/science.17160.

Transmitter release during repetitive stimulation: selective changes produced by Sr2+ and Ba2+

J E Zengel, K L Magleby

Transmitter release during repetitive stimulation: selective changes produced by Sr2+ and Ba2+

J E Zengel et al. Science. .

Abstract

The addition of Sr2+ or Ba2+ to the solution bathing the frog neuromuscular junction leads to an increased release of transmitter by each nerve impulse during and following repetitive stimulation. The mechanisms by which Sr2+ and Ba2+ increase release are not the same. Each ion appears to act selectively on a different process involved in transmitter release.

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