ELAVL1 and colorectal carcinoma: In addition to ARE-mRNAs characterized by the presence of the WWWUAUUUAUWWW motif (http://brp.kfshrc.edu.sa/ARED), HuR can also bind to a 17- to 20-base-long RNA motif rich in uracils present in mRNAs expressed in the human colorectal carcinoma cell line RKO [60].