ELFN1 and colorectal cancer: The Solute Carrier Family 5 member 4 SLC5A4 Antisense RNA 1 (SLC5A4-AS1), Solute Carrier Organic Anion Transporter Family Member 1B3 (SLCO1B3), and ELFN1 Antisense RNA 1 (ELFN1-AS1) were identified as having an H3K4me3 peak in colorectal cancer cells but not in normal colon samples (Figure 8).