CD63 and lip and oral cavity carcinoma: Building on this, another study revealed that some miRNAs were exclusive (miR-302b-3p and miR-517b-3p) to CD63+/CD9+/Alix+/TSG101+ EVs from the saliva of patients with oral cancer compared with controls whereas others were up-regulated (miR-512-3p and miR-412-3p) [105].