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Dendritic Cells of Leukemic Origin: Specialized Antigen-Presenting Cells as Potential Treatment Tools for Patients with Myeloid Leukemia
Author(s) -
Daniel Christoph Amberger,
Helga Schmetzer
Publication year - 2020
Publication title -
transfusion medicine and hemotherapy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.971
H-Index - 39
eISSN - 1660-3818
pISSN - 1660-3796
DOI - 10.1159/000512452
Subject(s) - myeloid leukemia , dendritic cell , medicine , immunotherapy , myeloid , leukemia , ex vivo , immunology , adoptive cell transfer , immune system , antigen , t cell , cancer research , cancer , antigen presenting cell , in vivo , biology , microbiology and biotechnology
The prognosis of elderly patients with acute myeloid leukemia (AML) and high-grade myelodysplastic syndrome (MDS) is limited due to the lack of therapy options and high relapse rates. Dendritic cell (DC)-based immunotherapy seems to be a promising treatment tool. DC are potent antigen-presenting cells and play a pivotal role on the interface of the innate and the adaptive immune system. Myeloid leukemia blasts can be converted to DC of leukemic origin (DC leu ), expressing costimulatory molecules along with the whole leukemic antigen repertoire of individual patients. These generated DC leu are potent stimulators of various immune reactive cells and increase antileukemic immunity ex vivo. Here we review the generating process of DC/DC leu from leukemic peripheral blood mononuclear cells as well as directly from leukemic whole blood with “minimized” Kits to simulate physiological conditions ex vivo. The purpose of adoptive cell transfer of DC/DC leu as a vaccination strategy is discussed. A new potential therapy option with Kits for patients with myeloid leukemia, which would render an adoptive DC/DC leu transfer unnecessary, is presented. In summary, DC/DC leu -based therapies seem to be promising treatment tools for patients with AML or MDS but ongoing research including trials in animals and humans have to be performed.

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