HNRNPA1 and gastric cancer: To further investigate the function of RP11‐81H3.2‐miR‐339‐HNRNPA1 interaction network, we transfected SGC‐7901 and BGC‐823 GC cells with sh‐RP11‐81H3.2, miR‐339 mimics, sh‐HNRNPA1, or negative control.