Combining NK cells and mAb9.2.27 to combat NG2-dependent and anti-inflammatory signals in glioblastoma
Peer reviewed, Journal article
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Glioblastoma is a deadly brain cancer with limited treatment options. Targeting chondroitin sulfate proteoglycan 4 (CSPG4, best known as NG2) with the monoclonal antibody mAb9.2.27 and activated natural killer (NK) cells abrogated the tumor growth and prolonged the survival of glioblastoma-bearing animals by favoring the establishment of a pro-inflammatory microenvironment. The combination of NK cells and mAb9.2.27 recruited ED1+CCR2low macrophages that stimulated ED1+ED2lowMHCIIhigh microglial cells to exert robust cytotoxicity. Our findings demonstrate the therapeutic potential of targeting salient tumor associated-antigens.