Activation of a capacitative Ca(2+) entry pathway by store depletion in cultured hippocampal neurones.


Intracellular Ca(2+) ([Ca(2+)](i)) changes were measured in cell bodies of cultured rat hippocampal neurones with the fluorescent indicator Fluo-3. In the absence of external Ca(2+), the cholinergic agonist carbachol (200 microM) and the sarcoendoplasmic reticulum Ca(2+) pump inhibitor thapsigargin (0.4 microM) both transiently elevated [Ca(2+)](i). A… (More)


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