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. 2018 Nov 1;98(2):242–249. doi: 10.1177/0022034518807920

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© International & American Associations for Dental Research 2018

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Figure 2. — Concentration dependence of ATP-induced inward currents in hDPSCs. (A) A1: 100nM ATP induced a detectable inward current in hDPSCs. A2: 1μM ATP induced a larger inward current in hDPSCs. A3: 3μM ATP application induced a large inward current that exhibits desensitization during sustained ATP applications. A4: 30μM ATP induced an inward current that approximates a maximum response. A5: 100μM ATP application induced a maximal inward current. (B) The concentration response curve of ATP-induced inward currents in hDPSCs (EC₅₀, 12.6 μM). hDPSC, human dental pulp stem cell.