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. Author manuscript; available in PMC: 2014 Jul 14.
Published in final edited form as: Acta Physiol (Oxf). 2010 Nov 12;201(1):97–107. doi: 10.1111/j.1748-1716.2010.02207.x

Figure 5. Acidosis and ATP causes different time courses of [Ca2+]cyt in HT29 cells.

Figure 5

A: A slow rise in [Ca2+]cyt was first induced by extracellular acidosis of pH 5.5, and further induced by ATP (10 μM) with an immediate peak. B: Summarized data showing net peak of [Ca2+]cyt rise induced by pH 5.5 or ATP (10 μM). Values are mean ± SE, n = 50 cells for each tracing or bar. **P < 0.01 vs. pH 5.5.