Additional C/EBPδ target genes function in the regulation of growth factor signaling, tumor suppression and transcription including: ERBB2IP, IRAK2, EDG1, INTS6, SCAP2, VDR, KLF6, MKL2, FLI1, TUSC3 and SOX4 (Table 1). Here, IRAK2 is linked to neoplasm.