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. 2003 Jan;121(1):3–16. doi: 10.1085/jgp.20028671

Figure 8.

Figure 8.

IP3 mass changes upon KCl depolarization in NLT (filled diamonds and dotted lines), GLT (filled circles), and GLT-α1–transfected (open circles) cells. Confluent plates of cells were washed three times with PBS, and were incubated for the times indicated in 47 mM K+. The mass of IP3 in the extract once neutralized was measured by radioreceptor assay. Values were expressed as the mean ± SD of at least three independent experiments. Paired t tests were performed. **, P < 0.05 (n = 4); ***, P < 0.001 (n = 4).