ULBP1 and cancer: With regard to immunostimulators, LINC01614 expression was positively correlated with 14/45 immunostimulators (ULBP1, TNFSF4, TNFRSF4, CD48, CXCR4, CD28, TNFSF18, CD86, TNFRSF9, CD80, IL2RA, NT5E, CD276, and ENTPD1) in more than 25 cancer types (Supplementary Figure S3E).