PDCD6IP and cancer: We have previously published that CEP55 is a downstream target of FOXM1 oncogene [11, 12] and that CEP55 has been shown to be associated with ALIX and the ESCRT complex [10, 26], we therefore asked if CEP55 protein may be enriched in cancer exosomes as it is known to be upregulated in cancer cells [11, 12, 27].