In cancer research, KCNJ15 gene participates in the cancer process as a differential gene in a variety of cancers, such as kidney cancer, esophageal squamous cell carcinoma, breast cancer and glioma (Liu et al., 2019; Nakamura et al., 2020; Qiao et al., 2023; Veeravalli et al., 2012). The gene discussed is KCNJ15; the disease is cancer.