YTHDF1 and neoplasm: Additionally, at an in vivo level, CD8α+ and CD11b+ DCs from draining lymph nodes (DLNs) of B16-OVA- or MC38-OTIp-tumour-bearing Ythdf1−/− mice showed a substantially augmented cross-priming capacity as compared with those collected from the wild mice when both co-cultured with OT-I T cells.