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  Effect of changes in action potential shape on calcium currents and transmitter release in a calyx-type synapse of the rat auditory brainstem

Borst, J. G. G., & Sakmann, B. (1999). Effect of changes in action potential shape on calcium currents and transmitter release in a calyx-type synapse of the rat auditory brainstem. Philosophical Transactions of the Royal Society of London, Series B: Biological Sciences, 354(1381), 347-355. Retrieved from http://www.jstor.org/stable/56795.

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Alternativer Titel : Effect of changes in action potential shape on calcium currents and transmitter release in a calyx-type synapse of the rat auditory brainstem

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 Urheber:
Borst, J. Gerard G.1, Autor           
Sakmann, Bert1, Autor           
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1Department of Cell Physiology, Max Planck Institute for Medical Research, Max Planck Society, ou_1497701              

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Schlagwörter: calcium current; presynaptic terminal; voltage clamp; calcium domain; action potential; calyx of Held
 Zusammenfassung: We studied the relation between the size of presynaptic calcium influx and transmitter release by making simultaneous voltage clamp recordings from presynaptic terminals, the calyces of Held and postsynaptic cells, the principal cells of the medical nucleus of the trapezoid body, in slices of the rat brainstem. Calyces were voltage clamped with different action potential waveforms. The amplitude of the excitatory postsynaptic currents depended supralinearly on the size of the calcium influx, in the absence of changes in the time−course of the calcium influx. This result is in agreement with the view that at this synapse most vesicles are released by the combined action of multiple calcium channels

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Sprache(n): eng - English
 Datum: 1999-02-28
 Publikationsstatus: Erschienen
 Seiten: 9
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
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Titel: Philosophical Transactions of the Royal Society of London, Series B: Biological Sciences
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: London : Royal Society
Seiten: - Band / Heft: 354 (1381) Artikelnummer: - Start- / Endseite: 347 - 355 Identifikator: ISSN: 0962-8436
CoNE: https://pure.mpg.de/cone/journals/resource/963017382021_1