Figure 8.
![Figure 8. ATP-induced inward current and calcium responses in GT1 cells bathed in KR buffer. (A) Repetitive stimulation of cells clamped at −60 mV. P2X2aR Imax: 4.5 (1), 3.5 (2), 3.1 (3), and 3.1 (4) nA. P2X2bR Imax: 5.1 (1), 3.2 (2), and 3.1 (3) nA, from bottom to top. (B) ATP-induced changes in [Ca2+]i during initial agonist application, as reported by fluorescence ratio of Fura-FF.](https://cdn.rupress.org/rup/content_public/journal/jgp/139/5/10.1085_jgp.201110716/4/jgp_201110716_fig8.jpeg?Expires=1767742538&Signature=qEDT0AX7W1znKNA4~hNvkA9qMhvBrNxA7ZU5VoQjRmbno7Jt8tR9jfn-TMKEqgHesFUYVNeliqBgb9Fw71MUKZcEsoToqT8G9~3FWijyH00PLI~dXmc8Ixwng4449N73LDoMbKjEcr9MtqhojPj-5q9rkP8v7N603O6V7myPaLUtdvDuNpvc~-KNhnrG8czWZqGEdtg~1dJf8qcbsRN5Rrr~A6pkKhS1vxfJnDMPWcB-v15CVsJNhoFwDFDWN9VgDSOojGwd8PoWf2WMypt09RZM-okhrgClHqQbbTgY~g2K4kPh2ryDkvjPRhElIStfRtAkTVSQ7pdmheO9KwVYug__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
ATP-induced inward current and calcium responses in GT1 cells bathed in KR buffer. (A) Repetitive stimulation of cells clamped at −60 mV. P2X2aR Imax: 4.5 (1), 3.5 (2), 3.1 (3), and 3.1 (4) nA. P2X2bR Imax: 5.1 (1), 3.2 (2), and 3.1 (3) nA, from bottom to top. (B) ATP-induced changes in [Ca2+]i during initial agonist application, as reported by fluorescence ratio of Fura-FF.
