Enhancing immune checkpoint blockade therapy of genitourinary malignancies by co-targeting PMN-MDSCs

被引:8
|
作者
Lu, Xuemin [1 ]
Lu, Xin [1 ,2 ]
机构
[1] Univ Notre Dame, Boler Parseghian Ctr Rare & Neglected Dis, Harper Canc Res Inst, Dept Biol Sci, Notre Dame, IN 46556 USA
[2] Indiana Univ, Tumor Microenvironm & Metastasis Program, Melvin & Bren Simon Comprehens Canc, Indianapolis, IN 46202 USA
来源
基金
美国国家卫生研究院;
关键词
Prostate cancer; Renal cell carcinoma; Bladder cancer; Penile cancer; Penile squamous cell carcinoma; Polymorphonuclear myeloid-derived suppres; sor cell; Immunotherapy; CXCR2; Reactive nitrogen species; SUPPRESSOR-CELLS; MYELOID CELLS; IMMUNOTHERAPY; PROMOTES; INHIBITION;
D O I
10.1016/j.bbcan.2022.188702
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Immune checkpoint blockade (ICB) as a powerful immunotherapy has transformed cancer treatment. The application of ICB to genitourinary malignancies has generated substantial clinical benefits for patients with advanced kidney cancer or bladder cancer, yet very limited response to ICB therapy was observed from metastatic castration-resistant prostate cancer. The efficacy of ICB in rare genitourinary tumors (e.g. penile cancer) awaits results from ongoing clinical trials. A potential barrier for ICB is tumor-infiltrating polymorphonuclear myeloid-derived suppressor cells (PMN-MDSCs) with their functions and mechanisms recently revealed. Preclinical studies suggest that successful therapeutic inhibition of PMN-MDSCs synergizes effectively with ICB to eradicate ICB-refractory genitourinary malignancies.
引用
收藏
页数:8
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