Abstract:
:Cancer-induced immune responses affect tumour progression and therapeutic response. In multiple murine models and clinical datasets, we identified large variations of neutrophils and macrophages that define 'immune subtypes' of triple-negative breast cancer (TNBC), including neutrophil-enriched (NES) and macrophage-enriched subtypes (MES). Different tumour-intrinsic pathways and mutual regulation between macrophages (or monocytes) and neutrophils contribute to the development of a dichotomous myeloid compartment. MES contains predominantly macrophages that are CCR2-dependent and exhibit variable responses to immune checkpoint blockade (ICB). NES exhibits systemic and local accumulation of immunosuppressive neutrophils (or granulocytic myeloid-derived suppressor cells), is resistant to ICB, and contains a minority of macrophages that seem to be unaffected by CCR2 knockout. A MES-to-NES conversion mediated acquired ICB resistance of initially sensitive MES models. Our results demonstrate diverse myeloid cell frequencies, functionality and potential roles in immunotherapies, and highlight the need to better understand the inter-patient heterogeneity of the myeloid compartment.
journal_name
Nat Cell Bioljournal_title
Nature cell biologyauthors
Kim IS,Gao Y,Welte T,Wang H,Liu J,Janghorban M,Sheng K,Niu Y,Goldstein A,Zhao N,Bado I,Lo HC,Toneff MJ,Nguyen T,Bu W,Jiang W,Arnold J,Gu F,He J,Jebakumar D,Walker K,Li Y,Mo Q,Westbrook TF,Zong C,Rao A,doi
10.1038/s41556-019-0373-7subject
Has Abstractpub_date
2019-09-01 00:00:00pages
1113-1126issue
9eissn
1465-7392issn
1476-4679pii
10.1038/s41556-019-0373-7journal_volume
21pub_type
杂志文章abstract::Clathrin-coated vesicles mediate endocytosis and transport between the trans-Golgi network (TGN) and endosomes in eukaryotic cells. Clathrin adaptors play central roles in coat assembly, interacting with clathrin, cargo and membranes. Two main types of clathrin adaptor act in TGN-endosome traffic: GGA proteins and the...
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