TP53 and Miyoshi myopathy: Contrary to the expectation, in the plasma cells obtained from the MM and MGUS bone marrow specimens, a negative correlation between TP53 and mature miR-34a and 34b was observed (miR-34a: r = −0.402, p < 0.001, miR-34b: r = −0.341, p < 0.001) (Figure 1D,E).