In addition, by using an MM xenograft model with B‐NDG immunodeficient mice, we confirmed that the tumor sizes produced from ARP1‐TP53 OE cells were much smaller than those from ARP1‐EV or ARP1‐TP53 OE/NEK2 OE cells (Figure 8G,H). The gene discussed is TP53; the disease is Miyoshi myopathy.