CD4 and neoplasm: Cell superactivator toward DCs, 1‐palmitoyl‐2‐glutaryl phosphatidylcholine (PGPC) adjuvanted with whole‐tumor lysates and lipopolysaccharide, corrects defective migration of senescent DC cells, which also induces differentiation of CD4+ T cells into cytolytic Th1‐CD4+ T cells [499].