NFKB1 and Miyoshi myopathy: Just as NF-κB is highly involved in the occurrence and progression of MM [15], we found that DCZ0805 treatment (0, 10 and 20 μM, for 48 h) patently suppressed the phosphorylation of IκBα and NF-κB-p65, with no obvious impact on total IκBα and NF-κB-p65 protein levels (Fig. 4a).