Direct measurements of presynaptic calcium and calcium-activated potassium currents regulating neurotransmitter release at cultured Xenopus nerve-muscle synapses

Journal of Neuroscience

Volumn 17, Issue 9, 1997, Pages 2990-3001

  Yazejian, Bruce ^a   Digregorio, David A ^a   Vergara, Julio L ^a   Poage, Robert E ^b   Meriney, Stephen D ^b   Grinnell, Alan D ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b UNIVERSITY OF PITTSBURGH SCHOOL OF MEDICINE   (United States)

Author keywords

calcium channel; charybdotoxin; conotoxin; nerve terminal; neuromuscular junction; synaptic delay

Indexed keywords

CALCIUM CHANNEL; CALCIUM ION; NEUROTRANSMITTER; OMEGA CONOTOXIN GVIA; POTASSIUM CHANNEL; POTASSIUM ION; SODIUM ION;

ACTION POTENTIAL; ANIMAL CELL; ARTICLE; CALCIUM CURRENT; CALCIUM TRANSPORT; CONTROLLED STUDY; EMBRYO; EXCITATORY POSTSYNAPTIC POTENTIAL; NEUROMUSCULAR SYNAPSE; NEUROTRANSMITTER RELEASE; NONHUMAN; PATCH CLAMP; POTASSIUM CURRENT; PRESYNAPTIC POTENTIAL; PRIORITY JOURNAL; SODIUM CURRENT; VOLTAGE CLAMP; XENOPUS LAEVIS;

EID: 0030938055     PISSN: 02706474     EISSN: None     Source Type: Journal    
DOI: 10.1523/jneurosci.17-09-02990.1997     Document Type: Article

References (13)

1. Anderson MJ, Cohen MW, Zorychta E (1977) Effects of innervation on the distribution of acetylcholine receptors on cultured muscle cells. J Physiol (Lond) 268:731-756.
2. 2+ channel trigger secretion with different efficacies in chromaffin cells. Nature 367:72-76.
3. Augustine GJ (1990) Regulation of transmitter release at the squid giant synapse by presynaptic delayed rectifier potassium current. J Physiol (Lond) 431:343-364.
4. Augustine GJ, Charlton MP (1986) Calcium dependence of presynaptic calcium current and post-synaptic response at the squid giant synapse. J Physiol (Lond) 381:619-640.
5. Augustine GJ, Eckert R (1982) Calcium-dependent potassium current in squid presynaptic nerve terminals. Biol Bull 163:397.
6. Augustine GJ, Charlton MP, Smith SJ (1985a) Calcium entry into voltage-clamped presynaptic terminals of squid. J Physiol (Lond) 367:143-162.
7. Augustine GJ, Charlton MP, Smith SJ (1985b) Calcium entry and transmitter release at voltage-clamped nerve terminals of squid. J Physiol (Lond) 367:163-181.
8. Augustine GJ, Charlton MP, Smith SJ (1987) Calcium action in synaptic transmitter release. Annu Rev Neurosci 10:633-693.
9. Barish ME (1991) Voltage-gated calcium currents in cultured embryonic Xenopus spinal neurones. J Physiol (Lond) 444:523-543.
10. Blatz AL, Magleby KL (1984) Ion conductance and selectivity of single calcium-activated potassium channels in cultured rat muscle. J Gen Physiol 84:1-23.
11. Blundon JA, Wright SN, Brodwick MS, Bittner CD (1995) Presynaptic calcium-activated potassium channels and calcium channels at a crayfish neuromuscular junction. J Neurophysiol 73:178-189.
12. Yawo H, Momiyama A (1993) Re-evaluation of calcium currents in pre-and postsynaptic neurones of the chick ciliary ganglion. J Physiol (Lond) 460:153-172.
13. Yazejian B, DiGregorio D, Grinnell AD, Vergara JL (1995) Calcium entry during the repolarization phase of the presynaptic action potential synchronizes the onset of post-synaptic currents. Biophys J 68:A347.