CD83 and neoplasm: Flow cytometric analysis of DCs treated with three different manufactured antigen loaded NPs compared to either tumor lysate or NPs alone showed thatNP3 pulsed DCs expressed upper levels of, HLA-DR and lower levels of CD14 and CD86markers significantly (P ≤ 0.05), while expression of CD83 and CD80 markers were significantly up and down-regulated respectively (P ≤ 0.05).