VDR and nonpapillary renal cell carcinoma: From the LinkedOmics database analysis for transcription factor targets positively associated with the DLK2 level, the expressions of CD11A (also called LFA1 or ITGAL)-, Zinc finger protein 278 (ZNF278, also called MAZR)-, vitamin D receptor (VDR)-, Zic Family Member 3 (ZIC3)-, and NFκB-related transcription targets were highly associated with the DLK2 level in ccRCC.