PATZ1 and neoplasm: Indeed, the choice of the 24h timepoint permits identification of both small soluble antigens, such as ZsG (26 kDa m.w.)that reach the TDLN in an acellular fashion within minutes 26-28,30,31, as well as DCs that acquire antigen in the tumor microenvironment and may take ~18 hours to traffic to the TDLN 32.