Table 1. Current Density of HEK-293 hNav1.9 Stable Cell Lines.

β1/2 Subunits Expressed	Overnight Cell Culture Temp	500 μM GTP-γ-S Present in Recording Pipette	Nav1.9 Current Density (pA/pF)	% Cells with Current Amplitude >200 pA	n
No	28°C	No	12 ± 1	33	36
No	28°C	Yes	20 ± 4	59	34
Yes	28°C	No	35 ± 4	84	38
Yes	28°C	Yes	50 ± 3	88	120
Yes	37°C	No	26 ± 4	53	32
Yes	37°C	Yes	30 ± 3	77	35