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. 2009 Aug 26;284(43):29614–29624. doi: 10.1074/jbc.M109.041582

FIGURE 4.

FIGURE 4.

POSH inhibits ROMK1 channels. A, effect of POSH on potassium currents measured with the perforated whole cell recording in HEK293 cells transfected with GFP-ROMK1 and POSH at different concentrations. B, a bar graph summarizes the results of the effect of POSH on ROMK1 channels (n = 4). C, a Western blot showing the expression of ROMK1 and POSH in HEK293 transfected with GFP-ROMK1 and POSH at different concentrations. The asterisk indicates significant different (p < 0.05) in comparing with the control (ROMK1 alone).