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Figure 7 | BMC Immunology

Figure 7

From: Expression of P2 receptors in human B cells and Epstein-Barr virus-transformed lymphoblastoid cell lines

Figure 7

Effect of extracellular Ca2+-free conditions on [Ca2+] i induced by ATP. (A) Average time courses for Ca2+ responses induced by external perfusion of ATP (1 mM) in normal solution and the Ca2+-free solution in B cells (n = 4). Agent was applied as indicated by the horizontal bars above the traces. (B) Peak of ATP-induced [Ca2+]i rises during pretreatment with the Ca2+-free solution (n = 14 for B cells; n = 12 for LCLs). Data are the mean ± SEM; *p < 0.0001 compared to Ca2+ treated samples.

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