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https://www.readbyqxmd.com/read/28103926/clinical-significance-of-soluble-cd163-in-polymyositis-related-or-dermatomyositis-related-interstitial-lung-disease
#1
Yasunori Enomoto, Yuzo Suzuki, Hironao Hozumi, Kazutaka Mori, Masato Kono, Masato Karayama, Kazuki Furuhashi, Tomoyuki Fujisawa, Noriyuki Enomoto, Yutaro Nakamura, Naoki Inui, Daisuke Suzuki, Noriyoshi Ogawa, Ran Nakashima, Tsuneyo Mimori, Toshihide Iwashita, Takafumi Suda
BACKGROUND: Macrophage activation is involved in the pathogenesis of polymyositis (PM)/dermatomyositis (DM). CD163, a scavenger receptor expressed on the surface of activated macrophages, mediates anti-inflammatory functions. This study aimed to evaluate the clinical significance of soluble CD163 (sCD163) in PM/DM-related interstitial lung disease (ILD). METHODS: The main subjects were 48 patients with PM/DM-related ILD. As controls, 10 patients with PM/DM without ILD and 20 healthy volunteers were enrolled...
January 19, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28101568/puerarin-inhibits-m2-polarization-and-metastasis-of-tumor-associated-macrophages-from-nsclc-xenograft-model-via-inactivating-mek-erk-1-2-pathway
#2
Honggang Kang, Jing Zhang, Baozhong Wang, Meirong Liu, Jun Zhao, Mengxiang Yang, Yingxue Li
Non-small cell lung carcinoma (NSCLC) metastasis is responsible for most of cancer-related mortality. The tumor associated macrophages (TAMs) are known to be crucial cells in lung cancer and are usually divided into two antagonistic types, M1 and M2. Puerarin has a wide spectrum of pharmacological properties. The present study explores puerarin on macrophage polarization and metastasis of NSCLC. The results demonstrated that puerarin inhibited tumor growth and tumor volumes in NSCLC xenograft model, increased M1 markers [CD197+, inducible nitric oxide synthase (iNOS)+, CD40+)] and reduced M2 markers (CD206+, Arg-1+ and CD163+)...
February 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28101225/monocytic-myeloid-derived-suppressor-cells-as-a-potent-suppressor-of-tumor-immunity-in-non-small-cell-lung-cancer
#3
Katarzyna Pogoda, Maria Pyszniak, Paweł Rybojad, Jacek Tabarkiewicz
Immunotherapy is a promising therapeutic option for patients with non-small cell lung cancer (NSCLC) who do not qualify for surgery. In patients with advanced NSCLC, systemic immune suppression is frequently observed, therefore, researchers are investigating the tumor microenvironment for less invasive and more effective methods of treating lung cancer. Monocytic myeloid-derived suppressor cells (Mo-MDSCs) are potent suppressors of tumor immunity; therefore, this population may significantly impede the application of immunotherapy to treat cancer...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28061450/th1high-in-tumor-microenvironment-is-an-indicator-of-poor-prognosis-for-patients-with-nsclc
#4
Huang Jian, Shen Fangrong, Huang Haitao, Ling Chunhua, Zhang Guangbo
CD4+Th subsets play an important role in tumor progression but their expression characteristics and clinical significance in human tumor microenvironment remains unclear. In this study, we aim to analyze the expression and clinical significance of tissue-infiltrating Th1, Th2 and Th17 in lung cancer by flow cytometry. We found that the frequency of CD3+CD4+IFN-γ+Th1 in tumor nest was significantly lower than that in tumor boundary, adjacent normal lung tissue or corresponding lymph node tissue; the frequency of CD3+CD4+IL-4+Th2 in tumor nest was significantly higher than that in tumor boundary, adjacent normal lung tissue or corresponding lymph node tissue; the frequency of CD3+CD4+IL-17+Th17 in tumor nest was significantly lower than that in tumor boundary, but not adjacent normal tissue or corresponding lymph node tissue...
January 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28054838/il-6-mediates-macrophage-infiltration-after-irradiation-via-up-regulation-of-ccl2-ccl5-in-non-small-cell-lung-cancer
#5
Xin Wang, Xiaodong Yang, Ying Tsai, Li Yang, Kuang-Hsiang Chuang, Peter C Keng, Soo Ok Lee, Yuhchyau Chen
Radiotherapy is effective in reducing primary tumors, however, it may enhance macrophage infiltration to tumor sites, accelerating tumor progression in several ways. We investigated whether radiation can increase macrophage infiltration into non-small cell lung carcinoma (NSCLC) cells. Analysis of in vitro macrophage (differentiated THP-1 cells) migration to either nonirradiated or irradiated tumor cells showed increased migration to the irradiated tumor cells. Because the IL-6 levels in A549 and H157 cells were significantly increased after irradiation, we then investigated whether this increased IL-6 level contributes to radiation-induced macrophage migration...
January 5, 2017: Radiation Research
https://www.readbyqxmd.com/read/28012777/sequential-administration-of-a-mva-based-muc1-cancer-vaccine-and-the-tlr9-ligand-litenimod-li28-improves-local-immune-defense-against-tumors
#6
Emmanuelle Schaedler, Christelle Remy-Ziller, Julie Hortelano, Nadine Kehrer, Marie-Christine Claudepierre, Tanja Gatard, Christopher Jakobs, Xavier Préville, Antoine F Carpentier, Karola Rittner
TG4010 is an immunotherapeutic vaccine based on Modified Vaccinia virus Ankara (MVA) encoding the human tumor-associated antigen MUC1 and human IL-2. In combination with first-line standard of care chemotherapy in advanced metastatic non-small-cell lung cancer (NSCLC), repeated subcutaneous injection of TG4010 improved progression-free survival in phase 2b clinical trials. In preclinical tumor models, MVATG9931, the research version of TG4010, conferred antigen-specific responses against the weak antigen human MUC1...
December 21, 2016: Vaccine
https://www.readbyqxmd.com/read/27998891/inflammatory-cytokines-and-lung-cancer-risk-in-3-prospective-studies
#7
Darren R Brenner, Anouar Fanidi, Kjell Grankvist, David C Muller, Paul Brennan, Jonas Manjer, Graham Byrnes, Allison Hodge, Gianluca Severi, Graham G Giles, Mikael Johansson, Mattias Johansson
To further investigate the role of inflammation in lung carcinogenesis, we evaluated associations between proinflammatory cytokines and lung cancer risk. We conducted a case-control study nested within 3 prospective cohort studies-the Melbourne Collaborative Cohort Study (1990-1994), the Malmö Diet and Cancer Study (1991-1996), and the Northern Sweden Health and Disease Study (initiated in 1985)-involving 807 incident lung cancer cases and 807 smoking-matched controls. Conditional logistic regression models adjusting for serum cotinine concentrations were used to estimate odds ratios for lung cancer risk associated with concentrations of interleukin (IL)-1β, IL-2, IL-6, IL-8, IL-10, IL-12, interferon γ, tumor necrosis factor α, and granulocyte-macrophage colony-stimulating factor...
December 20, 2016: American Journal of Epidemiology
https://www.readbyqxmd.com/read/27990285/non-small-cell-lung-cancer-is-characterised-by-a-distinct-inflammatory-signature-in-serum-compared-with-chronic-obstructive-pulmonary-disease
#8
Hanne Astrid Eide, Ann Rita Halvorsen, Vandana Sandhu, Anne Fåne, Janna Berg, Vilde Drageset Haakensen, Elin H Kure, Odd Terje Brustugun, Cecilie Essholt Kiserud, Jon Amund Kyte, Åslaug Helland
Development of lung cancer is closely related to smoking in a majority of patients. Most smokers, however, do not develop lung cancer in spite of a high mutational load accumulating in the lung tissue. Here we investigate whether a cancer-specific footprint can be revealed by investigating circulating inflammatory markers in patients with non-small cell lung cancer (NSCLC) compared with patients with chronic obstructive pulmonary disease (COPD), both cohorts characterised by similar smoking history. Serum concentrations of 57 cytokines and matrix metalloproteinases (MMPs) from 43 patients with advanced NSCLC were evaluated by multiplex immunoassays and compared with serum samples from 35 patients with COPD...
November 2016: Clinical & Translational Immunology
https://www.readbyqxmd.com/read/27968915/dynamic-contrast-enhanced-mri-to-predict-response-to-vinorelbine-cisplatin-alone-or-with-rh-endostatin-in-patients-with-non-small-cell-lung-cancer-and-bone-metastases-a-randomised-double-blind-placebo-controlled-trial
#9
Rui Zhang, Zhi-Yu Wang, Yue-Hua Li, Yao-Hong Lu, Shuai Wang, Wen-Xi Yu, Hui Zhao
BACKGROUND: Metastatic bone disease is a frequent complication of advanced non-small-cell lung cancer and causes skeletal-related events which result in a poor prognosis. A standard method to assess the therapeutic response of bone metastases does not currently exist. We used dynamic contrast-enhanced MRI to obtain quantitative measures to assess the suitability of this technique to gauge therapeutic response to vinorelbine-cisplatin plus rh-endostatinfor previously untreated non-small cell lung cancer with bone metastases...
October 2016: Lancet
https://www.readbyqxmd.com/read/27941680/design-synthesis-and-biological-evaluation-of-novel-benzofuran-derivatives-bearing-n-aryl-piperazine-moiety
#10
Yulu Ma, Xi Zheng, Hui Gao, Chunping Wan, Gaoxiong Rao, Zewei Mao
A series of novel hybrid compounds between benzofuran and N-aryl piperazine have been synthesized and screened in vitro for anti-inflammatory activity in lipopolysaccharide (LPS)-stimulated RAW-264.7 macrophages and for anticancer activity against three human tumor cell lines. The results demonstrated that derivative 16 not only had inhibitory effect on the generation of NO (IC50 = 5.28 μM), but also showed satisfactory and selective cytotoxic activity against human lung cancer line (A549) and gastric cancer cell (SGC7901) (IC50 = 0...
December 9, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27895795/growth-differentiating-factor-15-gdf-15-a-potential-biomarker-and-therapeutic-target-for-cancer-associated-weight-loss
#11
Lorena Lerner, Jeno Gyuris, Richard Nicoletti, James Gifford, Brian Krieger, Aminah Jatoi
Growth differentiating factor-15 (GDF-15), also known as macrophage inhibiting factor-1, is a member of the transforming growth factor-β superfamily, which has been implicated in cancer-associated weight loss. The present study investigated the association between cancer-associated weight loss and plasma GDF-15 concentration, as well as other biomarkers, in patients with metastatic lung or exocrine pancreatic cancer. A total of 218 patients were enrolled over a 1-year period. The patient cohort included 152 patients with incurable lung cancer and 66 patients with incurable pancreatic cancer...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27879019/screening-for-alk-abnormalities-in-central-nervous-system-metastases-of-non-small-cell-lung-cancer-alk-abnormalities-in-cns-metastases-of-nsclc
#12
Marcin Nicoś, Bożena Jarosz, Paweł Krawczyk, Kamila Wojas-Krawczyk, Tomasz Kucharczyk, Marek Sawicki, Juliusz Pankowski, Tomasz Trojanowski, Janusz Milanowski
Anaplastic lymphoma kinase (ALK) gene rearrangement was reported in 3-7% of primary non-small-cell lung cancer (NSCLC) and its presence is commonly associated with adenocarcinoma (AD) type and non-smoking history. ALK tyrosine kinase inhibitors (TKIs) such as crizotinib, alectinib and ceritinib showed efficiency in patients with primary NSCLC harboring ALK gene rearrangement. Moreover, response to ALK TKIs was observed in central nervous system (CNS) metastatic lesions of NSCLC. However, there are no reports concerning the frequency of ALK rearrangement in CNS metastases...
November 23, 2016: Brain Pathology
https://www.readbyqxmd.com/read/27861515/involvement-of-igf1r-in-bronchiolar-epithelial-regeneration-role-during-repair-kinetics-after-selective-club-cell-ablation
#13
Icíar P López, Sergio Piñeiro-Hermida, Rosete S Pais, Raquel Torrens, Andreas Hoeflich, José G Pichel
Regeneration of lung epithelium is vital for maintaining airway function and integrity. An imbalance between epithelial damage and repair is at the basis of numerous chronic lung diseases such as asthma, COPD, pulmonary fibrosis and lung cancer. IGF (Insulin-like Growth Factors) signaling has been associated with most of these respiratory pathologies, although their mechanisms of action in this tissue remain poorly understood. Expression profiles analyses of IGF system genes performed in mouse lung support their functional implication in pulmonary ontogeny...
2016: PloS One
https://www.readbyqxmd.com/read/27843633/scoring-of-pd-l1-expression-intensity-on-pulmonary-adenocarcinomas-and-the-correlations-with-clinicopathological-factors
#14
Tomoyuki Igarashi, Koji Teramoto, Mitsuaki Ishida, Jun Hanaoka, Yataro Daigo
INTRODUCTION: The contribution of programmed cell death ligand-1 (PD-L1) immune checkpoint molecule toward progression of non-small cell lung cancer (NSCLC) has not yet been elucidated, in part, because of lack of a standardised method to evaluate PD-L1 expression. In this study, we developed a novel method for the evaluation of PD-L1 expression on NSCLC cells and examined its correlation with clinicopathological characteristics. METHODS: After immunohistochemical examination of PD-L1 expression for surgically resected pulmonary adenocarcinomas (n=106), based on the findings that PD-L1 are consistently expressed on alveolar macrophages, PD-L1 staining intensity of tumour cells was classified into four levels relative to PD-L1 staining intensity in alveolar macrophages; PD-L1 expression scores (range, 0-300) were semiquantitatively assessed...
2016: ESMO Open
https://www.readbyqxmd.com/read/27825563/resveratrol-inhibits-lung-cancer-growth-by-suppressing-m2-like-polarization-of-tumor-associated-macrophages
#15
Liwei Sun, Bonian Chen, Rong Jiang, Jinduo Li, Bin Wang
In cancer, tumor associated macrophages (TAMs) play an important role in the cancer progression, evasion of immunity and dissemination of cancer cells. Inhibition of the activation or the M2 polarization of TAMs is an effective therapy for cancer. In the present study, we investigated the ability of resveratrol (RES) to inhibit lung cancer growth using in vitro and in vivo studies, and examined the underlying mechanisms. We demonstrated that M2 polarization of human monocyte derived macrophage (HMDMs) induced by the lung cancer cells conditioned medium was inhibited by RES...
January 2017: Cellular Immunology
https://www.readbyqxmd.com/read/27822063/the-accumulation-of-macrophages-attenuates-the-effect-of-recombinant-human-endostatin-on-lung-cancer
#16
Yanyang Liu, Li Tu, Li Wang, Jianlin Long, Jiantao Wang, Yuyi Wang, Feng Luo, Dan Cao
BACKGROUND: Although anti-angiogenic therapy is widely applied clinically, its efficacy has been less than expected. Screening for regulatory factors and sensitive indicators to define the effectiveness of these drugs is required. Through a retrospective study of clinical data, we found that patients with a higher peripheral monocyte-to-lymphocyte ratio (MLR) obtained less benefit from recombinant human endostatin (rhES, Endostar(®)), an anti-angiogenic drug, in lung cancer. Because MLR is positively correlated with macrophage count in tumors, this result suggests that macrophages may influence the effectiveness of rhES therapy in lung cancer...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27793775/systemic-and-tumor-th1-and-th2-inflammatory-profile-and-macrophages-in-lung-cancer-influence-of-underlying-chronic-respiratory-disease
#17
Mercè Mateu-Jimenez, Víctor Curull, Lara Pijuan, Albert Sánchez-Font, Hugo Rivera-Ramos, Alberto Rodríguez-Fuster, Rafael Aguiló, Joaquim Gea, Esther Barreiro
INTRODUCTION: Chronic respiratory conditions, especially chronic obstructive pulmonary disease (COPD), and inflammatory events underlie lung cancer (LC). We hypothesized that profiles of T helper 1 and T helper 2 cytokines and type 1 and type 2 macrophages (M1 and M2) are differentially expressed in lung tumors and blood of patients with NSCLC with and without COPD and that the ratio M1/M2 specifically may influence their survival. METHODS: In blood, inflammatory cytokines (determined by enzyme-linked immunosorbent assay) were quantified in 80 patients with LC (60 with LC and COPD [the LC-COPD group] and 20 with LC only [the LC-only group]) and lung specimens (tumor and nontumor) from those undergoing thoracotomy (20 in the LC-COPD group and 20 in the LC-only group)...
October 25, 2016: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/27788479/laurus-nobilis-leaf-extract-mediated-green-synthesis-of-zno-nanoparticles-characterization-and-biomedical-applications
#18
Sekar Vijayakumar, Baskaralingam Vaseeharan, Balasubramanian Malaikozhundan, Malaikkarasu Shobiya
The present study reports the green synthesis of zinc oxide nanoparticles using the aqueous leaf extract of Laurus nobilis (Ln-ZnO NPs) by co-precipitation method. The synthesized Ln-ZnO NPs were characterized by UV-Vis spectroscopy, FTIR, XRD, TEM, SEM and EDX. Ln-ZnO NPs were crystalline in nature, flower like and have hexagonal wurtzite structure with a mean particle size of 47.27nm. The antibacterial activity of Ln-ZnO NPs was greater against Gram positive (Staphylococcus aureus) bacteria than Gram negative (Pseudomonas aeruginosa) bacteria...
December 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27785783/the-absence-of-hla-class-i-expression-in-non-small-cell-lung-cancer-correlates-with-the-tumor-tissue-structure-and-the-pattern-of-t-cell-infiltration
#19
Francisco Perea, Mónica Bernal, Abel Sánchez-Palencia, Javier Carretero, Cristina Torres, Clara Bayarri, Mercedes Gómez-Morales, Federico Garrido, Francisco Ruiz-Cabello
We wanted to analyze whether tumor HLA class I (HLA-I) expression influences the pattern of the immune cell infiltration and stromal cell reaction in the tumor microenvironment. Tumor tissues obtained from 57 patients diagnosed with lung carcinomas were analyzed for HLA expression and leukocyte infiltration. 28 patients out of the 57 were completely negative for HLA-I expression (49.1%) or showed a selective HLA-A locus downregulation (three patients, 5.2%). In 26 out of 57 tumors (47.8%) we detected a positive HLA-I expression but with a percentage of HLA-I negative cells between 10 and 25%...
February 15, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27775991/irradiated-vegf164-modified-tumor-cell-vaccine-protected-mice-from-the-parental-tumor-challenge
#20
Bing Kan, Li Yang, Yan-Jun Wen, Jin-Rong Yang, Ting Niu, Jiong Li, Hong-Xin Deng, Wei Wei, Li-Gong Chen, Quan Zhang, Wei Wang, Yu-Quan Wei
Vascular endothelial growth factor (VEGF) is an important regulating molecule of angiogenesis in tumor formation and progression. Cancer cells always secrete VEGF to stimulate angiogenesis that facilitate growth and invasion of the tumor. In this study, we established a VEGF164 overexpressing LL/2 lung cancer cell model and found that the postirradiated VEGF164-modified tumor cells protected the host against the challenge with LL/2 wild-type tumor cells. Histochemical assay showed that there were large areas of tumor necrosis with macrophage infiltration in the mice vaccinated with the VEGF164-modified tumor vaccine...
February 2017: Anti-cancer Drugs
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