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(lung cancer) and (angiogenesis)

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https://www.readbyqxmd.com/read/28650446/exosomes-from-plasmodium-infected-hosts-inhibit-tumor-angiogenesis-in-a-murine-lewis-lung-cancer-model
#1
Y Yang, Q Liu, J Lu, D Adah, S Yu, S Zhao, Y Yao, L Qin, L Qin, X Chen
Previous research to investigate the interaction between malaria infection and tumor progression has revealed that malaria infection can potentiate host immune response against tumor in tumor-bearing mice. Exosomes may play key roles in disseminating pathogenic host-derived molecules during infection because several studies have shown the involvement and roles of extracellular vesicles in cell-cell communication. However, the role of exosomes generated during Plasmodium infection in tumor growth, progression and angiogenesis has not been studied either in animals or in the clinics...
June 26, 2017: Oncogenesis
https://www.readbyqxmd.com/read/28637319/matrix-metalloproteinases-their-functional-role-in-lung-cancer
#2
Neha Merchant, Ganji Purnachandra Nagaraju, Balney Rajitha, Saipriya Lammata, Kishore Kumar Jella, Zachary S Buchwald, Sajani S Lakka, Arif N Ali
Lung malignancy is the foremost cause of cancer-related deaths globally and is frequently related to long-term tobacco smoking. Recent studies reveal that the expression of matrix metalloproteinases (MMPs) is extremely high in lung tumors compared to non-malignant lung tissue. MMPs are zinc-dependent proteases and are involved in the degradation of extracellular matrix (ECM). Several investigations have shown that MMPs manipulate the activity of non-ECM molecules, including cytokines, growth factors and receptors which control the tumor microenvironment...
June 16, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28635229/-macrophage-colony-stimulating-factor-enhances-non-small-cell-lung-cancer-invasion-and-metastasis-by-promoting-macrophage-m2-polarization
#3
Y J Li, L Yang, L P Wang, Y Zhang
Objective: To investigate the key cytokine which polarizes M2 macrophages and promotes invasion and metastasis in non-small cell lung cancer (NSCLC). Methods: After co-culture with A549 cells in vitro, the proportion of CD14(+) CD163(+) M2 macrophages in monocytes and macrophage colony stimulating factor (M-CSF) levels in culture supernatant were detected by flow cytometry, ELISA assay and real-time qPCR, respectively. The effects of CD14(+) CD163(+) M2 macrophages on invasion of A549 cells and angiogenesis of HUVEC cells were measured by transwell assay and tubule formation assay, respectively...
June 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28634389/novel-indolyl-chalcone-derivatives-inhibit-a549-lung-cancer-cell-growth-through-activating-nrf-2-ho-1-and-inducing-apoptosis-in-vitro-and-in-vivo
#4
Xuan Zhao, WenLiang Dong, YuanDi Gao, Dong-Shoo Shin, Qing Ye, Le Su, Fan Jiang, BaoXiang Zhao, JunYing Miao
Increasing evidence indicates that Nrf-2, named the nuclear factor-erythroid 2-related factor, may perform anticancer function. In this study, a series of novel substituted phenyl- (3-methyl-1H-indol-2-yl)-prop-2-en-1-one (indolyl-chalcone) derivatives were synthesized and their effects on Nrf-2 activity were observed. We found that compounds 3a-3d and 6c elevated Nrf-2 activity. Then we evaluated their anticancer activities in vitro and in vivo by utilizing human lung cancer cell line A549. The in vitro results showed that among the compounds, 3d performed effectively anti-growth activity by inducing A549 lung cancer cell apoptosis and activating Nrf-2/HO-1 (heme oxygenase-1) pathway...
June 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28631570/the-effect-of-rcan1-on-the-biological-behaviors-of-small-cell-lung-cancer
#5
Ningqiang Ma, Weiwei Shen, Hailin Pang, Ning Zhang, Hong Shi, Jianlin Wang, Helong Zhang
Bone is the third most common site of cancer metastasis. In total, 30%-40% of lung cancer cases can develop skeletal metastasis for which no effective therapy in clinic is available. RCAN1 (regulator of calcineurin 1) is an important regulator in angiogenesis which is vital to tumor growth. In this study, we investigated the changes of biological behaviors in SBC-5 and SBC-3 cells after the RCAN1 expression level was changed. Briefly, overexpression of RCAN1 significantly attenuated their malignancy, including decreased ability of proliferation, colony formation, migration, invasion, and bone adherence...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28629815/resveratrol-suppresses-pulmonary-tumor-metastasis-by-inhibiting-platelet-mediated-angiogenic-responses
#6
Liwei He, Fangtian Fan, Xianbang Hou, Cuixiang Gao, Li Meng, Shu Meng, Shiwen Huang, Hongyan Wu
BACKGROUND: To explore the impact of Resveratrol (RSV) on the angiogenic potential of activated platelets and to elucidate the underlying mechanism. METHODS: Vascular endothelial growth factor concentrations were measured by enzyme-linked immunosorbent assay. Capillary tube formation assay was used to examine the impact of RSV on the angiogenic potential of activated platelets. The levels of cyclic adenosine monophosphate and cyclic guanosine monophosphate (cGMP) in the supernatant were evaluated using corresponding enzyme-linked immunosorbent assay kits...
May 10, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28619711/igfbp7-deletion-promotes-hepatocellular-carcinoma
#7
Maaged Akiel, Chunqing Guo, Xia Li, Devaraja Rajasekaran, Rachel G Mendoza, Chadia L Robertson, Nidhi Jariwala, Fang Yuan, Mark A Subler, Jolene Windle, Dawn K Garcia, Zhao Lai, Hung-I Harry Chen, Yidong Chen, Shah Giashuddin, Paul B Fisher, Xiang-Yang Wang, Devanand Sarkar
Activation of IGF signaling is a major oncogenic event in diverse cancers, including hepatocellular carcinoma (HCC). In this setting, the insulin-like growth factor binding protein IGFBP7 inhibits IGF signaling by binding the IGF-1 receptor (IGF-1R), functioning as a candidate tumor suppressor. IGFBP7 abrogates tumors by inhibiting angiogenesis and inducing cancer-specific senescence and apoptosis. Here we report that Igfbp7-deficient mice exhibit constitutively active IGF signaling, presenting with pro-inflammatory and immunosuppressive microenvironments and spontaneous liver and lung tumors occurring with increased incidence in carcinogen-treated subjects...
June 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28618167/neuropilin-1-regulated-by-mir-320-contributes-to-the-growth-and-metastasis-of-cholangiocarcinoma-cells
#8
Huaqiang Zhu, Xian Jiang, Xu Zhou, Xuesong Dong, Kai Xie, Chuncheng Yang, Hongchi Jiang, Xueying Sun, Jun Lu
BACKGROUND: Neuropilin-1 (NRP-1) activates signaling pathways as multifunctional co-receptors in cancer cells. However, its role and how it is regulated by miRNAs in cholangiocarcinoma (CCA) have not yet been investigated. METHODS: The expression of NRP-1, miR-320 and key molecules involved in cell proliferation, migration and related signaling pathways were detected by immunohistochemistry, immunoblotting and qRT-PCR. Stable transfectants depleted of NRP-1 were generated...
June 15, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28614784/erlotinib-based-doublet-targeted-therapy-versus-erlotinib-alone-in-previously-treated-advanced-non-small-cell-lung-cancer-a-meta-analysis-from-24-randomized-controlled-trials
#9
REVIEW
Jian-Wei Gao, Ping Zhan, Xiang-Yu Qiu, Jia-Jia Jin, Tang-Feng Lv, Yong Song
BACKGROUND: To assess the efficacy profile of erlotinib-based doublet targeted therapy compared with erlotinib monotherapy for previously treated patients with advanced NSCLC, a meta-analysis was performed. PATIENTS AND METHODS: We rigorously searched PubMed, Embase, Cochrane and meeting proceedings. Phase II/III randomized trials reporting on the efficacy of erlotinib-doublet therapy versus single-agent therapy were selected. We estimated the HR for OS, PFS and the RR for ORR, DCR, 1-year SR...
May 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/28604784/potential-therapeutic-impact-of-cd13-expression-in-non-small-cell-lung-cancer
#10
Lars Henning Schmidt, Caroline Brand, Janine Stucke-Ring, Christoph Schliemann, Torsten Kessler, Saliha Harrach, Michael Mohr, Dennis Görlich, Alessandro Marra, Ludger Hillejan, Carsten Müller-Tidow, Georg Lenz, Eva Wardelmann, Rainer Wiewrodt, Wolfgang E Berdel, Christian Schwöppe, Wolfgang Hartmann
BACKGROUND: Aminopeptidase N (CD13) is a zinc-binding protease that has functional effects on both cancerogenesis and tumor angiogenesis. Since CD13 is an antigen suitable for molecular targeted therapies (e.g. tTF-NGR induced tumor vascular infarction), we evaluated its impact in NSCLC patients, and tested the effects of the CD13-targeted fusion protein tTF-NGR (truncated tissue factor (tTF) containing the NGR motif: asparagine-glycine-arginine) in vivo in nude mice. METHODS: Expression of both CD13 and CD31 was studied in 270 NSCLC patients by immunohistochemistry...
2017: PloS One
https://www.readbyqxmd.com/read/28603578/restraint-and-social-isolation-stressors-differentially-regulate-adaptive-immunity-and-tumor-angiogenesis-in-a-breast-cancer-mouse-model
#11
Raluca A Budiu, Anda M Vlad, Linda Nazario, Chandra Bathula, Kristine L Cooper, Jessica Edmed, Premal H Thaker, Julie Urban, Pawel Kalinski, Adrian V Lee, Esther L Elishaev, Thomas P Conrads, Melanie S Flint
The ability of stress to induce immune suppression is widely recognized, but the mechanisms underlying the effects of stress on the adaptive immune system during tumor progression are not completely understood. To study the effect of stress on the immune system in vivo, we used a preclinical immunocompetent mouse model bearing 4T1 mammary adenocarcinoma cells. Mice were randomized into 4 groups, including social isolation (SI), acute restraint stress (aRRS), chronic restraint stress (cRRS), or no stress (NS)...
May 2017: Cancer and Clinical Oncology
https://www.readbyqxmd.com/read/28602990/enhancement-in-in-vitro-anti-angiogenesis-activity-and-cytotoxicity-in-lung-cancer-cell-by-pectin-pvp-based-curcumin-particulates
#12
Dinanath Gaikwad
The aim of this work was to prepare pectin-poly (vinyl pyrrolidone) [PVP] based curcumin particulates to enhance the anticancer potential of curcumin, solubility and allow its localized controlled release. Pectin-PVP based curcumin particulates (PECTIN-PVP CUR) were prepared by spray drying technique in different ratios and were evaluated for surface morphology, micromeritics, flowability, particle size, drug content, in vitro dissolution, inhalable fraction, anti-angiogenesis/angiolysis and cytotoxicity. Results of micromeritic properties, Carr's index, Hausner's ratio and angle of repose were satisfactory...
June 8, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28595131/a-precision-guided-mwnt-mediated-reawakening-the-sunk-synergy-in-ras-for-anti-angiogenesis-lung-cancer-therapy
#13
Yujie Su, Yahui Hu, Yu Wang, Xiangting Xu, Yang Yuan, Yunman Li, Zeyuan Wang, Kerong Chen, Fangrong Zhang, Xuefang Ding, Min Li, Jianping Zhou, Yuan Liu, Wei Wang
Multi-walled carbon nanotube (MWNT) with its versatility has exhibited tremendous superiority in drug delivery. Despite plenty of researches on MWNT based delivery systems, precision-guided assistances to maximize their profitable properties are still lacking in substantive progress. We developed here a dual-targeting and co-delivery system based on MWNT for antiangiogenesis therapy in lung cancer which aimed at renin-angiotensin system (RAS) dysregulation by synergistically conducting angiotensin II type 1 receptor (AT1R) and type 2 receptor (AT2R) pathway...
September 2017: Biomaterials
https://www.readbyqxmd.com/read/28592821/development-of-a-3d-angiogenesis-model-to-study-tumour-endothelial-cell-interactions-and-the-effects-of-anti-angiogenic-drugs
#14
Arno Amann, Marit Zwierzina, Stefan Koeck, Gabriele Gamerith, Elisabeth Pechriggl, Julia M Huber, Edith Lorenz, Jens M Kelm, Wolfgang Hilbe, Heinz Zwierzina, Johann Kern
The tumour microenvironment and tumour angiogenesis play a critical role in the development and therapy of many cancers, but in vitro models reflecting these circumstances are rare. In this study, we describe the development of a novel tri-culture model, using non-small cell lung cancer (NSCLC) cell lines (A549 and Colo699) in combination with a fibroblast cell line (SV 80) and two different endothelial cell lines in a hanging drop technology. Endothelial cells aggregated either in small colonies in Colo699 containing microtissues or in tube like structures mainly in the stromal compartment of microtissues containing A549...
June 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28588317/a-pilot-study-of-18-f-alfatide-pet-ct-imaging-for-detecting-lymph-node-metastases-in-patients-with-non-small-cell-lung-cancer
#15
Yue Zhou, Song Gao, Yong Huang, Jinsong Zheng, Yinjun Dong, Baijiang Zhang, Shuqiang Zhao, Hong Lu, Zhibo Liu, Jinming Yu, Shuanghu Yuan
Angiogenesis plays a key role in tumor development and αvβ3 integrin are overexpressed on the endothelial cell surface of newly forming vessels. (18)F-Alfatide has favorable properties for αvβ3 integrin targeting and showed potential for imaging angiogenesis with Positron Emission Tomography (PET)/computed tomography (CT). In this study, 13 patients with non-small cell lung cancer (NSCLC) who underwent (18)F-Alfatide PET/CT before surgery were enrolled. The uptake of all dissected lymph nodes (LNs) of (18)F-Alfatide were assessed visually and analyzed with a maximum and mean standard uptake value (SUVmax, SUVmean) and SUV ratios...
June 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28583823/regulator-of-calcineurin-1-gene-isoform-4-downregulated-in-hepatocellular-carcinoma-prevents-proliferation-migration-and-invasive-activity-of-cancer-cells-and-growth-of-orthotopic-tumors-by-inhibiting-nuclear-translocation-of-nfat1
#16
Haojie Jin, Cun Wang, Guangzhi Jin, Haoyu Ruan, Dishui Gu, Lin Wei, Hui Wang, Ning Wang, Einthavy Arunachalam, Yurong Zhang, Xuan Deng, Chen Yang, Yi Xiong, Hugang Feng, Ming Yao, Jingyuan Fang, Jianren Gu, Wenming Cong, Wenxin Qin
BACKGROUND & AIMS: Individuals with Down syndrome have a low risk for many solid tumors, prompting the search for tumor suppressor genes on human chromosome 21 (HSA21). We aimed to identify and explore potential mechanisms of suppressors on HSA21 in hepatocellular carcinoma (HCC). METHODS: We compared expression of HSA21 genes in 14 pairs of primary HCC and adjacent noncancer liver tissue using the Affymetrix HG-U133 Plus 2.0 array. HCC tissues and adjacent normal liver tissues were collected from 108 patients at a hospital in China for real-time PCR and immunohistochemical analyses; expression levels of regulator of calcineurin 1 (RCAN1) isoform 4 (RCAN1...
June 2, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28574849/strategies-targeting-angiogenesis-in-advanced-non-small-cell-lung-cancer
#17
REVIEW
Jun Wang, Jianpeng Chen, Yan Guo, Baocheng Wang, Huili Chu
Tumor angiogenesis is a frequent event in the development and progression of non-small cell lung cancer (NSCLC) and has been identified as a promising therapeutic target. The vascular endothelial growth factor (VEGF) family and other angiogenic factors, including fibroblast growth factor and platelet-derived growth factor, promote the growth of newly formed vessels from preexisting vessels and change the tumor microenvironment. To date, two antiangiogenic monoclonal antibodies, bevacizumab and ramucirumab, which target VEGF-A and its receptor VEGF receptor-2, respectively, have been approved for the treatment of locally advanced or metastatic NSCLC when added to first-line standard chemotherapy...
May 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28572533/haf-mediates-the-evasive-resistance-of-anti-angiogenesis-tki-through-disrupting-hif-1%C3%AE-and-hif-2%C3%AE-balance-in-renal-cell-carcinoma
#18
Xiang-Me Lai, Shu-Yu Liu, Yi-Ta Tsai, Guang-Huan Sun, Sun-Yran Chang, Shih-Ming Huang, Tai-Lung Cha
Anti-angiogenesis has emerged as a standard of care for metastatic renal cell carcinoma. However, long-lasting efficacy is seldom reached, and evasive resistance eventually occurs under anti-angiogenic tyrosine kinase inhibitor (TKI) therapy. To establish new therapeutic strategies, investigating the molecular mechanism of resistance is critically important. In our study, human umbilical vascular endothelial cells (HUVECs) were incubated with TKI treatment in conditioned medium derived from renal cancer cells (RCCs) to demonstrate cell viability...
May 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28562667/therapeutic-silence-of-pleiotrophin-by-targeted-delivery-of-sirna-and-its-effect-on-the-inhibition-of-tumor-growth-and-metastasis
#19
Lisha Zha, Lichun He, Weidong Xie, Jin Cheng, Tong Li, Mona O Mohsen, Fan Lei, Federico Storni, Martin Bachmann, Hongquan Chen, Yaou Zhang
Pleiotrophin (PTN) is a secreted cytokine that is expressed in various cancer cell lines and human tumor such as colon cancer, lung cancer, gastric cancer and melanoma. It plays significant roles in angiogenesis, metastasis, differentiation and cell growth. The expression of PTN in the adult is limited to the hippocampus in an activity-dependent manner, making it a very attractive target for cancer therapy. RNA interference (RNAi) offers great potential as a new powerful therapeutic strategy based on its highly specific and efficient silencing of a target gene...
2017: PloS One
https://www.readbyqxmd.com/read/28542137/dt-13-synergistically-enhanced-vinorelbine-mediated-mitotic-arrest-through-inhibition-of-foxm1-bicd2-axis-in-non-small-cell-lung-cancer-cells
#20
Hongyang Li, Li Sun, Hang Li, Xiaodan Lv, Herve Semukunzi, Ruiming Li, Jun Yu, Shengtao Yuan, Sensen Lin
Non-small-cell lung cancer (NSCLC) is the most commonly diagnosed malignant disease with the leading cause of cancer-related death. Combination treatment remains the major strategy in the clinical therapy of NSCLC. Vinorelbine (NVB), a semi-synthetic vinca alkaloid, is used for advanced and metastatic NSCLC by destabilizing microtubule formation to induce mitotic arrest and cell death. However, the side effect of NVB heavily affected its effectiveness in clinical therapy. Hence, it is of great significance to develop new agents to synergize with NVB and decrease the adverse effect...
May 25, 2017: Cell Death & Disease
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