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interferon lung cancer

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https://www.readbyqxmd.com/read/28731226/curcumin-converts-foxp3-regulatory-t-cells-to-t-helper-1-cells-in-patients-with-lung-cancer
#1
JianYong Zou, ChunHua Su, HongHe Luo, YiYan Lei, Bo Zeng, HaoShuai Zhu, ZhenGuang Chen
The regulatory T cells (Treg) play an important role in the tumor tolerance. The methods to regulate the Treg population in cancer-bearing hosts are limited currently. The effect of curcumin on inhibiting cancer has been recognized, but the mechanism remains elusive. This study tests a hypothesis that administration of curcumin down regulates Tregs in lung cancer (LC) patients. In this study, a group of LC patients was treated with curcumin. The peripheral Tregs and T helper (Th) 1 cells were analyzed by flow cytometry...
July 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28716751/rehmannia-glutinosa-polysaccharide-induced-an-anti-cancer-effect-by-activating-natural-killer-cells
#2
Li Xu, Wei Zhang, Ling Zeng, Jun-O Jin
Rehmannia glutinosa polysaccharide (RGP) has exhibited an immune stimulatory effect, such as dendritic cell activation, but it has not been studied in terms of the activation capacity of natural killer (NK) cells in mice in vivo. In this study, we examined the effect of RGP on the proliferation and activation of NK cells in the spleen, mesenteric lymph node (mLN), and blood in vivo and compared that function with that of Escherichia coli lipopolysaccharide. The administration of RGP to C57BL/6 mice induced the increase in circulating blood NK cell numbers and in the proliferation of NK cells in the spleen, mLN, and blood...
July 14, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28693175/functional-analysis-of-cd14-hla-dr-low-myeloid-derived-suppressor-cells-in-patients-with-lung-squamous-cell-carcinoma
#3
Yun Chen, Guichang Pan, Dongbo Tian, Yifei Zhang, Taoping Li
Immunomodulatory therapy is a potential effective treatment for advanced cancer that may provide an alternative to chemotherapy, which patients can experience adverse side effects to. Myeloid-derived suppressor cells (MDSCs) have been demonstrated to cause T-cell tolerance in rodents and humans; however, little is known about the role of MDSCs in squamous cell carcinoma. In the present study, the role of MDSCs in lung squamous cell carcinoma was investigated. Peripheral blood from 78 patients with lung squamous cell carcinoma and 30 healthy controls was examined for the presence and function of human MDSCs, denoted as monocyte differentiation antigen CD14-positive HLA class II histocompatibility antigen DR-negative/low (CD14(+) HLA-DR(-/low)) cells by flow cytometry...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28673007/cytokine-induced-killer-cell-therapy-for-modulating-regulatory-t-cells-in-patients-with-non-small-cell-lung-cancer
#4
Baodan Yu, Junli Wang, Chen He, Wei Wang, Jianli Tang, Runhui Zheng, Chengzhi Zhou, Huanhuan Zhang, Zhiping Fu, Qiasheng Li, Jun Xu
Previous studies have reported that regulatory T cells (Tregs), which are physiologically engaged in the maintenance of immunological self-tolerance, have a critical role in the regulation of the antitumor immune response. Targeting Tregs has the potential to augment cancer vaccine approaches. The current study therefore aimed to evaluate the role of cytokine-induced killer (CIK) cell infusion in modulating Tregs in patients with non-small cell lung cancer (NSCLC). A total of 15 patients with advanced NSCLC were treated by an infusion of CIK cells derived from autologous peripheral blood mononuclear cells (PBMCs)...
July 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28670369/the-crosstalk-between-%C3%AE-catenin-signaling-and-type-i-type-ii-and-type-iii-interferons-in-lung-cancer-cells
#5
Ming Bai, Wei Li, Nanze Yu, Hailin Zhang, Fei Long, Ang Zeng
BACKGROUND/OBJECTIVE: IFNs induce potent antiviral and antitumor activities. β-catenin pathway is a surviving pathway adapted by carcinogenetic mechanisms of various cancers. Crosstalk between these pathways has not been well described in lung cancer cells. METHODS: Lung cancer cell lines, A549 and Calu-3, were used in this study. β-catenin protein levels and signaling activities were tested by flow cytometry and luciferase assay. Cell proliferation was measured by counting viable cells under microscope, and apoptosis by TUNEL assay and caspase 3 activation...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28654841/exposure-to-particulate-matter-2-5-pm2-5-induced-macrophage-dependent-inflammation-characterized-by-increased-th1-th17-cytokine-secretion-and-cytotoxicity
#6
Qin-Yun Ma, Da-Yu Huang, Hui-Jun Zhang, Shaohua Wang, Xiao-Feng Chen
Particulate matter PM2.5 is a class of airborne particles and droplets with sustained high levels in many developing countries. Epidemiological studies have shown the association between sustained high level of PM2.5 and the risk of many diseases in the respiratory system, including lung cancer. However, the precise mechanisms through which PM2.5 induces respiratory diseases are still unclear. In this study, we demonstrated that CD4(+) and CD8(+) T cells following PM2.5 treatment demonstrated significantly elevated mRNA and protein levels of interferon (IFN)-γ, interleukin (IL)-10, IL-17, and IL-21 production...
June 24, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28620129/up-regulation-of-irf-3-expression-through-gata-1-acetylation-by-histone-deacetylase-inhibitor-in-lung-adenocarcinoma-a549-cells
#7
Lu-Lu Wang, Lan-Bo Zhou, Jin Shu, Nan-Nan Li, Hui-Wen Zhang, Rui Jin, Li-Li Zhuang, Guo-Ping Zhou
Interferon regulatory factor 3 (IRF-3) is an important transcription factor for interferon genes. Although its functional activation by viral infection has been widely explicated, the regulatory mechanism of IRF-3 gene expression in cancer cells is poorly understood. In this study, we demonstrated treatment of lung adenocarcinoma A549 cells with trichostatin A (TSA) and valproic acid (VPA), two different classes of histone deacetylase inhibitors, strongly stimulated IRF-3 gene expression. Truncated and mutated IRF-3 promoter indicated that a specific GATA-1 element was responsible for TSA-induced activation of IRF-3 promoter...
June 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28604752/tumor-cell-derived-lactate-induces-taz-dependent-upregulation-of-pd-l1-through-gpr81-in-human-lung-cancer-cells
#8
J Feng, H Yang, Y Zhang, H Wei, Z Zhu, B Zhu, M Yang, W Cao, L Wang, Z Wu
The clinical success of immunotherapy that inhibits the negative immune regulatory pathway programmed cell death protein 1/PD-1 ligand (PD-1/PD-L1) has initiated a new era in the treatment of metastatic cancer. PD-L1 expression is upregulated in many solid tumors including lung cancer and functions predominantly in lactate-enriched tumor microenvironments. Here, we provided evidence for PD-L1 induction in response to lactate stimulation in lung cancer cells. Lactate-induced PD-L1 induction was mediated by its receptor GPR81...
June 12, 2017: Oncogene
https://www.readbyqxmd.com/read/28588774/solitary-pulmonary-caseating-granulomas-a-5-year-retrospective-single-center-analysis
#9
Hidehiro Watanabe, Tomonori Uruma, Ikuo Seita, Tsuyoshi Oishi, Yusuke Watanabe, Ayaka Tsukimori, Yoshiteru Haga, Shinji Fukushima, Akihiro Sato, Itaru Nakamura, Tetsuya Matsumoto
Solitary pulmonary caseating granulomas (SPCGs) are a characteristic type of tuberculomas associated with infection with non-tuberculous mycobacteria (NTM) and other microbes; however, their significance remains unclear. The aim of the present study was to describe the clinical characteristics of patients with SPCGs in terms of diagnosis, presence of lung cancer and treatment status. A retrospective analysis of 17 immunocompetent patients with histopathologically confirmed caseating granulomas after undergoing video-assisted thoracoscopic surgery (VATS) was conducted at our center between 2011 and 2015...
June 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28572013/comparison-of-in-vitro-toxicological-effects-of-biomass-smoke-from-different-sources-of-animal-dung
#10
Claire E McCarthy, Parker F Duffney, Jeffrey D Wyatt, Thomas H Thatcher, Richard P Phipps, Patricia J Sime
Worldwide, over 4 million premature deaths each year are attributed to the burning of biomass fuels for cooking and heating. Epidemiological studies associate household air pollution with lung diseases, including chronic obstructive pulmonary disease, lung cancer, and respiratory infections. Animal dung, a biomass fuel used by economically vulnerable populations, generates more toxic compounds per mass burned than other biomass fuels. The type of animal dung used varies widely depending on local agro-geography...
May 30, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28566697/down-regulated-gata-1-up-regulates-interferon-regulatory-factor-3-in-lung-adenocarcinoma
#11
Lu-Lu Wang, Zheng-Sen Chen, Wen-Di Zhou, Jin Shu, Xiao-Hua Wang, Rui Jin, Li-Li Zhuang, Mir Alireza Hoda, Hao Zhang, Guo-Ping Zhou
Interferon regulatory factor 3 (IRF-3) is widely known for its prompt response against viral infection by activating the interferon system. We previously reported that E2F1, Sp1 and Sp3 regulated transcriptional activity of IRF-3. Recently, different expression patterns of IRF-3 were found in lung cancer, leading to the alternation of the immunomodulatory function in tumorigenesis. However, the mechanism of transcriptional regulation of IRF-3 in lung cancer has not been extensively studied. Here, we investigated the characterization of IRF-3 promoter and found that GATA-1 bound to a specific domain of IRF-3 promoter in vitro and in vivo...
May 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28544512/interferon-induced-transmembrane-protein-3-regulates-the-growth-and-invasion-of-human-lung-adenocarcinoma
#12
Dong Zhang, Huimin Wang, Huijie He, Haiying Niu, Yu Li
BACKGROUND: Interferon induced transmembrane protein 3 (IFITM3) plays an important role in the tumorigenesis and progression of multiple cancers. This study investigated the expression and function of IFITM3 in human lung adenocarcinoma. METHODS: Fifty human lung adenocarcinoma tissues were collected. IFITM3 expression was assessed by immunohistochemical staining. The clinicopathologic characteristics of all patients were analyzed. RESULTS: IFITM3 was mainly detected in the cytoplasm of advanced cancer tissues and its expression was correlated with tumor malignancy grade...
July 2017: Thoracic Cancer
https://www.readbyqxmd.com/read/28537924/genetic-defects-of-the-irf1-mediated-major-histocompatibility-complex-class-i-antigen-presentation-pathway-occur-prevalently-in-the-jak2-gene-in-non-small-cell-lung-cancer
#13
Tao Shen, Zhengming Chen, Zhizhuang Joe Zhao, Jie Wu
Recognition of major histocompatibility complex (MHC) class I antigens on tumor cells by cytotoxic T cells is involved in T cell-mediated tumor immune surveillance and immune checkpoint therapy. The interferon-γ (IFNγ)-IRF1 signaling pathway regulates MHC class I antigen presentation. To examine genetic defects of the IFNγ-IRF1 pathway in non-small cell lung cancer (NSCLC), we analyzed The Cancer Genome Atlas (TCGA) lung adenocarcinoma (LuAd) and lung squamous cell carcinoma (LuSc) data. Loss-of-function (LOF) genetic alterations of the IFNγ-IRF1 pathway genes (IFNGR1, IFNGR2, JAK1, JAK2, STAT1, IRF1) were found in 64 (6...
May 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28507808/pro-necrotic-molecules-impact-local-immunosurveillance-in-human-breast-cancer
#14
Gautier Stoll, Yuting Ma, Heng Yang, Oliver Kepp, Laurence Zitvogel, Guido Kroemer
Necrosis culminates in spilling cellular content through the permeabilized plasma membrane, thereby releasing potentially immunostimulatory molecules in the pericellular space of dead cells. Accordingly, molecules involved in necroptotic signaling, such as receptor-interacting serine/threonine-protein kinase 3 (RIPK3) and mixed lineage kinase-like (MLKL) have been found to stimulate anticancer immune responses in mouse models of chemotherapy. mRNAs encoding prominent pro-necrotic gene products (RIPK1, RIPK3, MLKL, PGAM5 and DFNA5) were correlated with immune-related metagenes in several cancer types (breast, colorectal, lung, ovary, melanoma), revealing the strongest associations in breast cancer...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28492513/an-aaag-rich-oligodeoxynucleotide-rescues-mice-from-bacterial-septic-peritonitis-by-interfering-interferon-regulatory-factor-5
#15
Shuang Gao, Xin Li, Shu Nie, Lei Yang, Liqun Tu, Boqi Dong, Peiyan Zhao, Yangyang Wang, Yongli Yu, Liying Wang, Shucheng Hua
A previous study found that an AAAG-rich Oligodeoxynucleotide (ODN), designated as MS19, could lessen the acute lung inflammatory injury (ALII) in mice infected by influenza viruses. Bioinformatics analysis found that MS19 is consensus with the binding site of interferon regulatory factor 5 (IRF5) in the regulatory elements of pro-inflammatory genes. This study established a septic peritonitis model in Institute of Cancer Research (ICR) mice infected with Escherichia coli (E. coli), and found that MS19 prolonged the survival of the mice and down-regulated the expression of inducible nitric oxide synthase (iNOS), interleukin-6 (IL-6), and tumor necrosis factor α (TNF-α)...
May 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28487385/immune-related-gene-expression-profiling-after-pd-1-blockade-in-non-small-cell-lung-carcinoma-head-and-neck-squamous-cell-carcinoma-and-melanoma
#16
Aleix Prat, Alejandro Navarro, Laia Paré, Noemí Reguart, Patricia Galván, Tomás Pascual, Alex Martínez, Paolo Nuciforo, Laura Comerma, Llucia Alos, Nuria Pardo, Susana Cedrés, Cheng Fan, Joel S Parker, Lydia Gaba, Iván Victoria, Nuria Viñolas, Ana Vivancos, Ana Arance, Enriqueta Felip
Antibody targeting of the immune checkpoint receptor PD1 produces therapeutic activity in a variety of solid tumors, but most patients exhibit partial or complete resistance to treatment for reasons that are unclear. In this study, we evaluated tumor specimens from 65 patients with melanoma, lung nonsquamous, squamous cell lung or head and neck cancers who were treated with the approved PD1-targeting antibodies pembrolizumab or nivolumab. Tumor RNA before anti-PD1 therapy was analyzed on the nCounter system using the PanCancer 730-Immune Panel, and we identified 23 immune-related genes or signatures linked to response and progression-free survival (PFS)...
May 9, 2017: Cancer Research
https://www.readbyqxmd.com/read/28471447/microrna-18a-5p-functions-as-an-oncogene-by-directly-targeting-irf2-in-lung-cancer
#17
Chen Liang, Xing Zhang, Hui-Min Wang, Xiao-Min Liu, Xin-Ju Zhang, Bo Zheng, Guang-Ren Qian, Zhong-Liang Ma
Lung cancer is the major form of cancer resulting in cancer-related mortality around the world. MicroRNAs are endogenous small non-coding single-stranded RNAs, which can engage in the regulation of gene expression. In this study, miR-18a-5p significantly upregulated in non-small cell lung cancer (NSCLC) tissues and NSCLC cell lines, suggesting an oncogenic function in lung cancer. Additionally, miR-18a-5p can promote carcinogenesis by directly targeting interferon regulatory factor 2 (IRF2). Further experiments indicated that IRF2 can increase cell apoptosis, inhibit cell proliferation and migration ability...
May 4, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28466543/mutation-patterns-in-genes-encoding-interferon-signaling-and-antigen-presentation-a-pan-cancer-survey-with-implications-for-the-use-of-immune-checkpoint-inhibitors
#18
Jan Budczies, Michael Bockmayr, Frederick Klauschen, Volker Endris, Stefan Fröhling, Peter Schirmacher, Carsten Denkert, Albrecht Stenzinger
Blockade of immune checkpoints has become a powerful tool in cancer medicine, which is effective across various solid cancer types and hematologic malignancies. While immunohistochemical detection of PD-L1 expression in tumor cells, immune cells, or both has been introduced as predictive biomarker in several clinical trials, shortcomings and limitations of this approach were quickly recognized. As a single biomarker is unlikely to adequately reflect the complex interplay between immune cells and cancer, various genetic determinants of therapy success, including microsatellite instability, mutational burden, and PD-L1 amplification, are being investigated...
August 2017: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/28414566/the-changed-proportion-of-cd45ra-cd45ro-t-cells-in-chronic-hepatitis-c-patients-during-pegylated-interferon-%C3%AE-with-ribavirin-therapy
#19
Jung-Lung Hsiao, Wang-Sheng Ko, Chia-Ju Shih, Ya-Ling Chiou
Infection with the hepatitis C virus (HCV) may progress toward chronic hepatitis, liver cirrhosis, and liver cancer. A therapy for patients with chronic HCV infection is the combination of pegylated interferon-α with ribavirin, which increases the rate of sustained virological response (SVR) to 56%. However, a practical biomarker to predict SVR is lacking. T cells expressing the CD45RA isoform are considered naive, and antigenic stimulation converts them to CD45RO(+). CD45RO(+) T cells exhibit immediate response and high lymphokine production, leading to the maintenance and upregulation of immune reactions...
July 2017: Journal of Interferon & Cytokine Research
https://www.readbyqxmd.com/read/28375674/the-inflammatory-cxc-chemokines-gro%C3%AE-high-ip-10-low-and-mig-low-in-tumor-microenvironment-can-be-used-as-new-indicators-for-non-small-cell-lung-cancer-progression
#20
Ya Cao, Haitao Huang, Zhenxin Wang, Guangbo Zhang
AIMS: To investigate the clinical significance of tumor tissue-infiltrating chemokines expression in non-small cell lung cancer (NSCLC) microenvironment. MATERIALS AND METHODS: Fresh tissue samples were acquired from 50 patients with NSCLC after operation. Then, we quantified the total protein with the BCA Protein Assay Kit and tested 13 chemotactic factors in paired samples including tumor tissues, tumor adjacent tissues, and normal tissues with the CBA Kit. RESULTS: We found that the chemokine CC subfamily of MCP-1, MIP-1α, MIP-1β, and MIP-3α and the chemokine CXC subfamily of IL-8, GROα, IP-10, and MIG expressions in tumor tissues were significantly higher than those in tumor-adjacent tissues and normal tissues...
April 4, 2017: Immunological Investigations
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