Harnessing Therapeutic IgE Antibodies to Re-educate Macrophages against Cancer.

Harnessing Therapeutic IgE Antibodies to Re-educate Macrophages against Cancer. Trends Mol Med. 2020 Jun;26(6):615-626 Authors: Pellizzari G, Bax HJ, Josephs DH, Gotovina J, Jensen-Jarolim E, Spicer JF, Karagiannis SN Abstract Currently, IgG is the only class of antibodies employed for cancer therapy. However, harnessing the unique biological properties of a different class ( e.g., IgE) could engender potent effector cell activation, and unleash previously untapped immune mechanisms against cancer. IgE antibodies are best known for pathogenic roles in allergic diseases and for protective effector functions against parasitic infestation, often mediated by IgE Fc receptor-expressing macrophages. Notably, IgE possess a very high affinity for cognate Fc receptors expressed by tumor-associated macrophages (TAMs). This paper reviews pre-clinical studies, which indicate control of cancer growth by tumor antigen-specific IgE that recruit and re-educate TAMs towards activated profiles. The clinical development harnessing the antitumor potential of recombinant IgE antibodies in cancer patients is also discussed. PMID: 32470387 [PubMed - as supplied by publisher]
Source: Trends in Molecular Medicine - Category: Molecular Biology Authors: Tags: Trends Mol Med Source Type: research