ITGA4 and chronic myelogenous leukemia, BCR-ABL1 positive: v-Abl translationally represses five key proteins involved in TCR-mediated integrin activation including Wasf2/WAVE2, Stk4/Mst1, Rassf5/RapL and Cyfip2, as well as a subunit of one of the integrins implicated in Ph+ CML adhesion, Itga4 [10], [57].