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Peak change in intracellular calcium levels of microglia under different conditions used in this study
ATP or ionomycin were applied for 30 s at the indicated concentrations, and the peak change in calcium levels occurred within ∼10 s.
| Peak [Ca2+]i | n | |
|---|---|---|
| nM | ||
| 100 μm ATP P2X4HA | 940 ± 50 | 9 |
| 100 μm ATP P2X4HA Ca2+ free | 15 ± 90 | 9 |
| 100 μm ATP P2X4HA + LPS | 740 ± 50 | 8 |
| 5 μm ionomycin P2X4HA | 839 ± 50 | 8 |
| 100 μm ATP P2X2FLAG | 3350 ± 55 | 8 |
