Neutralization of PD-L2 is Essential for Overcoming Immune Checkpoint Blockade Resistance in Ovarian Cancer

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The authors found that the immune checkpoint ligand PD-L2 is robustly expressed in patient samples of ovarian cancers and other malignancies exhibiting suboptimal response to immune checkpoint blockade (ICB) but not in cancers that are ICB sensitive.
[Clinical Cancer Research]
Miao, Y. R., Thakkar, K. N., Qian, J., Kariolis, M. S., Huang, W., Nandagopal, S., Yang, T. T. C., Diep, A. N., Cherf, G. M., Xu, Y., Moon, E. J., Xiao, Y., Alemany, H., Li, T., Yu, W., Wei, B., Rankin, E. B., & Giaccia, A. J. (2021). Neutralization of PD-L2 is Essential for Overcoming Immune Checkpoint Blockade Resistance in Ovarian Cancer. Clinical Cancer Research. https://doi.org/10.1158/1078-0432.CCR-20-0482 Cite
Abstract