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. 2002 Sep 16;158(6):1089–1096. doi: 10.1083/jcb.200203091

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Copyright © 2002, The Rockefeller University Press

This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication date (see http://www.rupress.org/terms). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 4.0 Unported license, as described at http://creativecommons.org/licenses/by-nc-sa/4.0/).

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Figure 3. — Representative examples of [Ca² ⁺ ]_i measurements in C57 muscle fibers. Fibers were incubated for 5 min in potassium aspartate (10 mM EGTA) solution in the presence or absence of 1 μM thapsigargin. Next, they were repolarized for 5 min in a Krebs solution (50 μM EGTA). Finally, depolarization in potassium aspartate solution induced a [Ca²⁺]_i transient that was taken as an index of the amount of releasable Ca.