Table 1.
Localization of P2X1–7 receptor immunoreactivities in rat dorsal root ganglion (DRG) of different nociceptive pain models
| P2X1 | P2X2 | P2X3 | P2X4 | P2X5 | P2X6 | P2X7 | ||
|---|---|---|---|---|---|---|---|---|
| Control | L M S |
± ± + |
+ + + |
+ + ++ |
± ± + |
+ + + |
+ + + |
− − − |
| CCI | L M S |
++ ++ ++ |
+++ +++ +++ |
+++ +++ ++++ |
+ + + |
++ ++ +++ |
++ ++ ++ |
± ± ± |
| CRD | L M S |
+ + + |
++ ++ ++ |
++ ++ ++ |
++ ++ ++ |
+ + + |
++ ++ ++ |
+ + + |
+++ very strong signal, ++ strong signal, + moderate signal, ± just detectable, − undetectable. L, M, and S representing the cell diameter are greater than 50 μm, between 20 and 50 μm, less than, or equal to 20 μm, respectively