TRPM3 and myalgic encephalomeyelitis/chronic fatigue syndrome: Indeed, we did not measure any outwardly rectifying currents under voltage-clamp conditions with a typical shape of the TRPM3 current–voltage relationship (I–V) in IL-2 stimulated NK cells from either HC (Figures 6B,G) or ME/CFS patients (Figures 6E,G) after addition of NTX.