PIAS3 and Miyoshi myopathy: In addition, miR‐31 has high homology binding to the PIAS3 3′UTR and has been reported as an onco‐miR in lung cancer and is associated with a poor prognosis in MM (Liu et al., 2010; Matsumoto et al., 2014), although this is controversial (Ivanov et al., 2010).