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Nanomedicine for Immunotherapy Targeting Hematological Malignancies: Current Approaches and Perspective

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NANOMATERIALS
卷 11, 期 11, 页码 -

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MDPI
DOI: 10.3390/nano11112792

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nanomedicine; nanoparticles; hematological malignancies; immunotherapy; immune system; tumor microenvironment; tumor vaccine; drug delivery

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Conventional chemotherapy has limitations in treating hematological malignancies, while immunotherapy shows promising results despite facing challenges. Nanotechnology has the potential to overcome these challenges and enhance the effectiveness of cancer immunotherapy.
Conventional chemotherapy has partial therapeutic effects against hematological malignancies and is correlated with serious side effects and great risk of relapse. Recently, immunotherapeutic drugs have provided encouraging results in the treatment of hematological malignancies. Several immunotherapeutic antibodies and cell therapeutics are in dynamic development such as immune checkpoint blockades and CAR-T treatment. However, numerous problems restrain the therapeutic effectiveness of tumor immunotherapy as an insufficient anti-tumor immune response, the interference of an immune-suppressive bone marrow, or tumoral milieu with the discharge of immunosuppressive components, access of myeloid-derived suppressor cells, monocyte intrusion, macrophage modifications, all factors facilitating the tumor to escape the anti-cancer immune response, finally reducing the efficiency of the immunotherapy. Nanotechnology can be employed to overcome each of these aspects, therefore having the possibility to successfully produce anti-cancer immune responses. Here, we review recent findings on the use of biomaterial-based nanoparticles in hematological malignancies immunotherapy. In the future, a deeper understanding of tumor immunology and of the implications of nanomedicine will allow nanoparticles to revolutionize tumor immunotherapy, and nanomedicine approaches will reveal their great potential for clinical translation.

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