GAPDH and neoplasm: The mRNA for interleukin-8 [8], EGFRvIII [36] and for housekeeping genes such as ACTB, GAPDH [24] were detected in the cargo of TMV and tumour-derived exosomes and shown to be transferred to monocytes [8], brain microvascular endothelial cells [36] and tumour cells [24], respectively.