Neutrophil infiltration mediated by CXCL5 accumulation in the laryngeal squamous cell carcinoma microenvironment : A mechanism by which tumour cells escape immune surveillance

Copyright © 2016 Elsevier Inc. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 175(2017) vom: 01. Feb., Seite 34-40
1. Verfasser: Zhang, Duo (VerfasserIn)
Weitere Verfasser: Zhou, Jian, Tang, Di, Zhou, Lin, Chou, Liang, Chou, Kuang-Yen, Tao, Lei, Lu, Li-Ming
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article CXCL5 LSCC Neutrophil PBNs TANs Tumour microenvironment CXCL5 protein, human Chemokine CXCL5 Tumor Necrosis Factor-alpha
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520 |a The CXCL5 chemokine is important for neutrophil accumulation in tumour tissues. In this report, we attempted to clarify whether and how infiltrating tumour-associated neutrophils (TANs) in laryngeal squamous cell carcinoma (LSCC) affect the proliferation and activation of T cells. We examined chemokine expression by real-time PCR (RT-PCR) and enzyme-linked immunosorbent assay (ELISA) and performed an immunohistochemical analysis of LSCC microarrays. The relationship between CXCL5 and CD66b (a neutrophil marker) was investigated by immunofluorescence staining. We found that CXCL5 was upregulated in LSCC tissues, whereas CXCL5 levels were decreased in LSCC patient serum. Furthermore, high levels of CXCL5 were significantly correlated with intratumoural neutrophil infiltration. Compared with peripheral blood neutrophils (PBNs), TANs significantly inhibited T cell proliferation and decreased IFN-γ and TNF-α secretion. These data suggest that excessive neutrophil infiltration is associated with advanced clinical stages of LSCC (T3 or T4, III or IV, and N1 or N2) 
650 4 |a Journal Article 
650 4 |a CXCL5 
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650 4 |a Neutrophil 
650 4 |a PBNs 
650 4 |a TANs 
650 4 |a Tumour microenvironment 
650 7 |a CXCL5 protein, human  |2 NLM 
650 7 |a Chemokine CXCL5  |2 NLM 
650 7 |a Tumor Necrosis Factor-alpha  |2 NLM 
700 1 |a Zhou, Jian  |e verfasserin  |4 aut 
700 1 |a Tang, Di  |e verfasserin  |4 aut 
700 1 |a Zhou, Lin  |e verfasserin  |4 aut 
700 1 |a Chou, Liang  |e verfasserin  |4 aut 
700 1 |a Chou, Kuang-Yen  |e verfasserin  |4 aut 
700 1 |a Tao, Lei  |e verfasserin  |4 aut 
700 1 |a Lu, Li-Ming  |e verfasserin  |4 aut 
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