For instance, in glioma (Xie and Hu, 2020), laryngocarcinoma (Xu et al., 2019), and GC (Xiao et al., 2022), PCAT19 functions as an oncogene, promoting cell proliferation, migration, and invasion by interacting with various miRNAs and signaling pathways. Here, PCAT19 is linked to glioma.