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Intracellular Algogenic Factors and their Receptors in the Primary Afferent Neurons
| ATP | Glutamate | Proton | |
|---|---|---|---|
| ionotropic receptors | P2X (P2X2, P2X3, P2X4, P2X5, P2X6, P2X7) | AMPA, NMDA, Kainate receptor | ASIC3 |
| metabotropic receptors | P2Y (P2Y1, P2Y2) | Group I-III mGluRs |
