HNRNPA1 and cancer: In particular, they are abnormally expressed in various types of tumors such as small cell lung cancer and gastric cancer (Romero-Garcia et al., 2014; Chen et al., 2018), and knockdown of HNRNPA1 or the use of adapters targeting HNRNPA2 can inhibit cancer cell proliferation, suggesting potential targets for cancer treatment (Li et al., 2015; Liu et al., 2016).