NR3C2 and Miyoshi myopathy: A 6 h Dex treatment downregulated NR3C2 (MR) transcripts in cells showing the highest GC-inducible MM cell killing (MM1.S, OPM-2 and L-363), while in cells with virtually no GC-mediated MM cell killing (U-266 and MM1.R), NR3C2 mRNA levels remained unchanged (Fig. 1A).