These exosomes contained antigens from the relevant pathogen, which can go on to activate virus-specific responses from CD4+ and CD8+ T cells in the host 54..In this study, the α5β1, FAK and Paxillin were down regulated and FN, Src, Actin, Moesin and Radixin were up regulated that these genes were related to tumor cell migration and invasion. Here, CD4 is linked to neoplasm.