HNRNPM and breast cancer: Several hnRNPs are reported to overexpress in breast cancer, including hnRNPA1, hnRNPA2, hnRNPI, hnRNPM, and hnRNPK (Xu et al., 2014; Silipo et al., 2015; Na et al., 2016; Otsuka et al., 2018; Yang et al., 2018) (Figure 3).