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The Tissue Microlocalisation and Cellular Expression of CD163, VEGF, HLA-DR, iNOS, and MRP 8/14 Is Correlated to Clinical Outcome in NSCLC
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The Tissue Microlocalisation and Cellular Expression of CD163, VEGF, HLA-DR, iNOS, and MRP 8/14 Is Correlated to Clinical Outcome in NSCLC
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Journal Article
The Tissue Microlocalisation and Cellular Expression of CD163, VEGF, HLA-DR, iNOS, and MRP 8/14 Is Correlated to Clinical Outcome in NSCLC
2011
Overview
We have previously investigated the microlocalisation of M1 and M2 macrophages in NSCLC. This study investigated the non-macrophage (NM) expression of proteins associated with M1 and M2 macrophages in NSCLC.
Using immunohistochemistry, CD68(+) macrophages and proteins associated with either a cytotoxic M1 phenotype (HLA-DR, iNOS, and MRP 8/14), or a non-cytotoxic M2 phenotype (CD163 and VEGF) were identified. NM expression of the markers was analysed in the islets and stroma of surgically resected tumours from 20 patients with extended survival (ES) (median 92.7 months) and 20 patients with poor survival (PS) (median 7.7 months).
The NM expression of NM-HLA-DR (p<0.001), NM-iNOS (p = 0.02) and NM-MRP 8/14 (p = 0.02) was increased in ES compared to PS patients in the tumour islets. The tumour islet expression of NM-VEGF, was decreased in ES compared to PS patients (p<0.001). There was more NM-CD163 expression (p = 0.04) but less NM-iNOS (p = 0.002) and MRP 8/14 (p = 0.01) expression in the stroma of ES patients compared with PS patients. The 5-year survival for patients with above and below median NM expression of the markers in the islets was 74.9% versus 4.7% (NM-HLA-DR p<0.001), 65.0% versus 14.6% (NM-iNOS p = 0.003), and 54.3% versus 22.2% (NM-MRP 8/14 p = 0.04), as opposed to 34.1% versus 44.4% (NM-CD163 p = 0.41) and 19.4% versus 59.0% (NM-VEGF p = 0.001).
Cell proteins associated with M1 and M2 macrophages are also expressed by other cell types in the tumour islets and stroma of patients with NSCLC. Their tissue and cellular microlocalisation is associated with important differences in clinical outcome.
Publisher
Public Library of Science,Public Library of Science (PLoS)
Subject
/ Antigens
/ Antigens, Differentiation, Myelomonocytic - metabolism
/ Carcinoma, Non-Small-Cell Lung - diagnosis
/ Carcinoma, Non-Small-Cell Lung - metabolism
/ Carcinoma, Non-Small-Cell Lung - pathology
/ Cloning
/ Consent
/ Female
/ Gene Expression Regulation, Neoplastic
/ Histocompatibility antigen HLA
/ HLA-DR Antigens - metabolism
/ Humans
/ Male
/ Markers
/ Material requirements planning
/ Medicine
/ Neoplasm Proteins - metabolism
/ Nitric Oxide Synthase Type II - metabolism
/ Non-small cell lung carcinoma
/ Patients
/ Proteins
/ Receptors, Cell Surface - metabolism
/ Rodents
/ Stroma
/ Survival
/ Tumors
