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Neurosci Lett. 1990 May 4;112(2-3):184-9.

Sr and Ba transients in isolated snail neurones studied with fura-2. The recovery from depolarization induced load and modulation of Ca release from intracellular stores.

Author information

1
A.A. Bogomoletz Institute of Physiology, Kiev, U.S.S.R.

Abstract

The fluorescent Ca-sensitive probe fura-2 was used in isolated non-identified neurons of the snail, Helix pomatia, to study the recovery from Sr and Ba loading and the effect of these cations on Ca-induced Ca release. Sr was shown to behave similarly to Ca, whereas Ba ions were not sequestered within the cell. Intracellular Ba blocked both the voltage-gated channels in the plasma membrane and the Ca release channels in the membrane of intracellular stores.

PMID:
2132298
DOI:
10.1016/0304-3940(90)90200-s
[Indexed for MEDLINE]

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