ELAVL1 and cancer: The RBP Human antigen R (HuR, also called HuA or ELAVL1) is estimated to have, depending on the studies, from 5000 to more than 7000 direct mRNA targets 11, 12 and within the cancer signaling network to which we refer 7, at least 10% of the nodes, including highly connected ones, belong to the HuR repertoire.