CD8A and neuroblastoma: In NB, NR2F6 expression was significantly positively correlated with CD8 + T cells, T_cells_regulatory_(Tregs) and Dendritic_cells_resting cell infiltration, but it was significantly negatively associated with T _ cells _ CD _ 4 _ memory _ activated, master cell activation, and immune cell infiltration such as neutrophils (Fig 4A).