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Relative permeabilities (PNa = 1) to Ca2+ and Cs2+ of heat- and capsaicin-activated channels in sensory neurons and in VR1-transfected HEK cells
| Stimulus | Cell | Ion | Reference | |
|---|---|---|---|---|
| Cs2+ | Ca2+ | |||
| Capsaicin | Rat DRG | ∼1 | 0.24 | Oh et al., 1996 |
| Rat DRG | 1.1 | 1.9 | This paper | |
| VR1-transfected HEK cells | 0.85 | 9.6 | Caterina et al., 1997 | |
| Heat | Rat DRG | 1.24 | 1.28 | Cesare and McNaughton, 1996 |
| Rat DRG | 0.9 | 0.9 | This paper | |
| VR1-transfected HEK cells | 3.8 | Tominaga et al., 1998 | ||
