HNRNPA2B1 and neoplasm: Moreover, lncCyt b, as well as its protein partner hnRNPA2B, should have physiological significance because all the tumor lines that we tested exhibited a decreased level of malignant properties, such as proliferation, migration and invasion, upon lncCyt b or hnRNPA2B1 was knocked down (Figs 5E and 5F and S10).