DSCAM and colorectal carcinoma: To study the role of DSCAM-AS1 in CRC, we performed loss-of-function experiment by downregulating the expression of DSCAM-AS1 in LOVO and HT29 cells using sh-DSCAM-AS1#1, sh-DSCAM-AS1#2 and sh-DSCAM-AS1#3.