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FASEB J. 2020 Jan 19. doi: 10.1096/fj.201902467R. [Epub ahead of print]

Circulating neutrophil subsets in advanced lung cancer patients exhibit unique immune signature and relate to prognosis.

Author information

1
Institute of Pulmonary Medicine, Hadassah Hebrew University Hospital, Jerusalem, Israel.
2
Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, USA.
3
Department of Dermatology, Medical University of South Carolina, Charleston, SC, USA.
4
Institute of Molecular Life Sciences, University of Zurich, Zurich, Switzerland.
5
SIB Swiss Institute of Bioinformatics, University of Zurich, Zurich, Switzerland.
6
Sharrett Institute of Oncology, Hadassah Hebrew University Hospital, Jerusalem, Israel.
7
Thoracic Oncology Research Laboratory, University of Pennsylvania, Philadelphia, PA, USA.

Abstract

The accumulation of circulating low-density neutrophils (LDN) has been described in cancer patients and associated with tumor-supportive properties, as opposed to the high-density neutrophils (HDN). Here we aimed to evaluate the clinical significance of circulating LDN in lung cancer patients, and further assessed its diagnostic vs prognostic value. Using mass cytometry (CyTOF), we identified major subpopulations within the circulating LDN/HDN subsets and determined phenotypic modulations of these subsets along tumor progression. LDN were highly enriched in the low-density (LD) fraction of advanced lung cancer patients (median 7.0%; range 0.2%-80%, n = 64), but not in early stage patients (0.7%; 0.05%-6%; n = 35), healthy individuals (0.8%; 0%-3.5%; n = 15), or stable chronic obstructive pulmonary disease (COPD) patients (1.2%; 0.3%-7.4%, n = 13). Elevated LDN (>10%) remarkably related with poorer prognosis in late stage patients. We identified three main neutrophil subsets which proportions are markedly modified in cancer patients, with CD66b+ /CD10low /CXCR4+ /PDL1inter subset almost exclusively found in advanced lung cancer patients. We found substantial variability in subsets between patients, and demonstrated that HDN and LDN retain a degree of inherent spontaneous plasticity. Deep phenotypic characterization of cancer-related circulating neutrophils and their modulation along tumor progression is an important advancement in understanding the role of myeloid cells in lung cancer.

KEYWORDS:

lung cancer; mass cytometry; neutrophils; phenotypic modulation

PMID:
31957112
DOI:
10.1096/fj.201902467R

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