CD8A and neoplasm: Next, to assess whether ROCK blockade increases cross-priming of cytotoxic CD8+ T cells, we performed adoptive transfer (i.v.)of carboxyfluorescein succinimidyl ester (CFSE)-labelled ovalbumin (OVA)-specific T (OT-I) cells into B16F10-Ova tumour-bearing mice and measured proliferation of OT-I T cells.