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Light-controlled elimination of PD-L1+ cells

Wong JJW, Selbo PK (2021) Light-controlled elimination of PD-L1+ cells. J Photochem Photobiol B 225:112355. doi: 10.1016/j.jphotobiol.2021.112355

Objective: To investigate novel strategies that simultaneously target both tumor cells and immunosuppressive cells in the tumor microenvironment. The focus was on the evaluation in vitro of Anti-PD-L1-SAP combined with photochemical internalization (PCI) as a therapeutic strategy to target and eliminate PD-L1 expressing tumor and immunosuppressive cells.

Summary: The authors show that the intracellular light-controlled drug delivery method induces specific and strongly enhanced cytotoxic effects of Anti-PD-L1-SAP in the PD-L1+ triple-negative breast cancer MDA-MB-231 cell line, while no enhanced efficacy was obtained in the PD-L1 negative control cell line MDA-MB-453. 

Usage: Anti-PD-L1-SAP and Streptavidin-ZAP (Control) were used in a cytotoxicity assay.

Related Products: Anti-PD-L1-SAP (Cat. #IT-45), Streptavidin-ZAP (Cat. #IT-27)

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