Selective depletion of polymorphonuclear myeloid derived suppressor cells in tumor beds with near infrared photoimmunotherapy enhances host immune response

Published in: OncoImmunology

Authors: Takuya Kato, Hiroshi Fukushima, Aki Furusawa, Ryuhei Okada, Hiroaki Wakiyama, Hideyuki Furumoto, Shuhei Okuyama, Seiichiro Takao, Peter L. Choyke, Hisataka Kobayashi


Myeloid-derived suppressor cells were selectively eliminated within tumors by Ly6G-targeted NIR-PIT, using ML7710 for in vitro and in vivo PIT. Significant tumor growth suppression and survival benefit, as well as abscopal effects, were observed in animal models, showing promise as a cancer immunotherapy.


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