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https://www.readbyqxmd.com/read/28445992/interaction-between-the-estrogen-receptor-and-fibroblast-growth-factor-receptor-pathways-in-non-small-cell-lung-cancer
#1
Jill M Siegfried, Mariya Farooqui, Natalie J Rothenberger, Sanja Dacic, Laura P Stabile
The estrogen receptor (ER) promotes non-small cell lung cancer (NSCLC) proliferation. Since fibroblast growth factors (FGFs) are known regulators of stem cell markers in ER positive breast cancer, we investigated whether a link between the ER, FGFs, and stem cell markers exists in NSCLC. In lung preneoplasias and adenomas of tobacco carcinogen exposed mice, the anti-estrogen fulvestrant and/or the aromatase inhibitor anastrozole blocked FGF2 and FGF9 secretion, and reduced expression of the stem cell markers SOX2 and nanog...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445975/functional-fgfr4-gly388arg-polymorphism-contributes-to-cancer-susceptibility-evidence-from-meta-analysis
#2
Si-Wei Xiong, Jianqun Ma, Fen Feng, Wen Fu, Shan-Rong Shu, Tianjiao Ma, Caixia Wu, Guo-Chang Liu, Jinhong Zhu
Fibroblast growth factor receptor 4 (FGFR4) is a member of receptor tyrosine kinase family. A functional Gly388Arg (rs351855 G>A) polymorphism in FGFR4 gene causes a glycine-to-arginine change at codon 388 within the transmembrane domain of the receptor. Although the FGFR4 rs351855 G>A polymorphism has been implicated in cancer development, its association with cancer risk remains controversial. Here, we have systematically analyzed the association between the rs351855 G>A polymorphism and cancer risk by performing a meta-analysis of 27 studies consisting of 8,682 cases and 9,731 controls...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445958/repressing-cd147-is-a-novel-therapeutic-strategy-for-malignant-melanoma
#3
REVIEW
Xing Hu, Juan Su, Youyou Zhou, Xiaoyun Xie, Cong Peng, Zhimin Yuan, Xiang Chen
CD147/basigin, a transmembrane protein, is a member of the immunoglobulin super family. Accumulating evidence has revealed the role of CD147 in the development and progression of various cancers, including malignant melanoma (MM). MM is a malignancy of pigment-producing cells that causes the greatest number of skin cancer-related deaths worldwide. CD147 is overexpressed in MM and plays an important role in cell viability, apoptosis, proliferation, invasion, and metastasis, probably by mediating vascular endothelial growth factor (VEGF) production, glycolysis, and multi-drug resistance (MDR)...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445461/tumour-ischaemia-by-interferon-%C3%AE-resembles-physiological-blood-vessel-regression
#4
Thomas Kammertoens, Christian Friese, Ainhoa Arina, Christian Idel, Dana Briesemeister, Michael Rothe, Andranik Ivanov, Anna Szymborska, Giannino Patone, Severine Kunz, Daniel Sommermeyer, Boris Engels, Matthias Leisegang, Ana Textor, Hans Joerg Fehling, Marcus Fruttiger, Michael Lohoff, Andreas Herrmann, Hua Yu, Ralph Weichselbaum, Wolfgang Uckert, Norbert Hübner, Holger Gerhardt, Dieter Beule, Hans Schreiber, Thomas Blankenstein
The relative contribution of the effector molecules produced by T cells to tumour rejection is unclear, but interferon-γ (IFNγ) is critical in most of the analysed models. Although IFNγ can impede tumour growth by acting directly on cancer cells, it must also act on the tumour stroma for effective rejection of large, established tumours. However, which stroma cells respond to IFNγ and by which mechanism IFNγ contributes to tumour rejection through stromal targeting have remained unknown. Here we use a model of IFNγ induction and an IFNγ-GFP fusion protein in large, vascularized tumours growing in mice that express the IFNγ receptor exclusively in defined cell types...
April 26, 2017: Nature
https://www.readbyqxmd.com/read/28444928/antiinflammatory-activity-of-cinnamon-cinnamomum-zeylanicum-bark-essential-oil-in-a-human-skin-disease-model
#5
Xuesheng Han, Tory L Parker
The effect of cinnamon (Cinnamomum zeylanicum) bark essential oil (CBEO) on human skin cells has not been elucidated. Therefore, we investigated the activity of a commercially available CBEO in a validated human dermal fibroblast system, a model of chronic inflammation and fibrosis. We first evaluated the impact of CBEO on 17 protein biomarkers that play critical roles in inflammation and tissue remodeling. The impact of CBEO on genome-wide gene expression was also evaluated. CBEO showed strong anti-proliferative effects on skin cells and significantly inhibited the production of several inflammatory biomarkers, including vascular cell adhesion molecule-1, intercellular cell adhesion molecule-1, monocyte chemoattractant protein-1, interferon gamma-induced protein 10, interferon-inducible T-cell alpha chemoattractant, and monokine induced by gamma interferon...
April 26, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28442269/enhanced-adhesion-and-in-situ-photothermal-ablation-of-cancer-cells-in-surface-functionalized-electrospun-microfiber-scaffold-with-graphene-oxide
#6
Nicolò Mauro, Cinzia Scialabba, Giovanna Pitarresi, Gaetano Giammona
The physicochemical characteristics of a biomaterial surface highly affect the interaction with living cells. Recently, much attention has been focused on the adhesion properties of functional biomaterials toward cancer cells, since is expected to control metastatic spread of a tumor, which is related to good probability containing the progression of disease burden. Here, we designed an implantable poly(caprolactone)-based electrospun microfiber scaffold, henceforth PCLMF-GO, to simultaneously capture and kill cancer cells by tuning physicochemical features of the hybrid surface through nitrogen plasma activation and hetero-phase graphene oxide (GO) covalent functionalization...
April 22, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28441785/evaluation-of-cytotoxic-and-genotoxic-effects-of-euphorbia-triaculeata-forssk-extract
#7
Zarraq I A Al-Faifi, Yahya S Masrahi, Magdy Sayed Aly, Turki A Al-Turki, Tarek Dardeer
Objective: To evaluate the cytotoxic and genotoxic activity of Euphorbia triaculeata Forssk. plant extract from Jazan region, Saudi Arabia, in an in vitro cancer model, which could be beneficial in anticancer therapy against human breast cancer cell line (MCF-7), prostate cell line (PC-3), human hepatocellular carcinoma cell line (HEPG2) and normal breast epithelial cell line (MCF-10A). The human foreskin fibroblast cell line, (Hs68), was also included in the cell panel. Doxorubicin and 5-Flurouracil, broad-spectrum anticancer drugs, were used as the positive control...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28441391/apigenin-inhibits-tnf%C3%AE-il-1%C3%AE-induced-ccl2-release-through-ikbk-epsilon-signaling-in-mda-mb-231-human-breast-cancer-cells
#8
David Bauer, Natalie Redmon, Elizabeth Mazzio, Karam F Soliman
Mortality associated with breast cancer is attributable to aggressive metastasis, to which TNFα plays a central orchestrating role. TNFα acts on breast tumor TNF receptors evoking the release of chemotactic proteins (e.g. MCP-1/CCL2). These proteins direct inward infiltration/migration of tumor-associated macrophages (TAMs), tumor-associated neutrophils (TANs), myeloid-derived suppressor cells (MDSCs), T-regulatory cells (Tregs), T helper IL-17-producing cells (Th17s), metastasis-associated macrophages (MAMs) and cancer-associated fibroblasts (CAFs)...
2017: PloS One
https://www.readbyqxmd.com/read/28441013/cytotoxicity-of-pyrazine-based-cyclometalated-c-n-pz-c-au-iii-carbene-complexes-impact-of-the-nature-of-the-ancillary-ligand-on-the-biological-properties
#9
Benoît Bertrand, Julio Fernandez-Cestau, Jesus Angulo, Marco M D Cominetti, Zoë A E Waller, Mark Searcey, Maria A O'Connell, Manfred Bochmann
The synthesis of a series of cyclometalated gold(III) complexes supported by pyrazine-based (C^N^C)-type pincer ligands is reported, including the crystal structure of a cationic example. The compounds provide a new platform for the study of antiproliferative properties of gold(III) complexes. Seven complexes were tested: the neutral series (C^N(pz)^C)AuX [X = Cl (1), 6-thioguanine (4), C≡CPh (5), SPh (6)] and an ionic series that included the N-methyl complex [(C^N(pzMe)^C)AuCl]BF4 (7) and the N-heterocyclic carbene complexes [(C^N(pz)^C)AuL](+) with L = 1,3-dimethylbenzimidazol-2-ylidene (2) or 1,3,7,9-tetramethylxanthin-8-ylidene (3)...
April 25, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28440502/marine-actinomycete-crude-extracts-with-potent-trail-resistance-overcoming-activity-against-breast-cancer-cells
#10
Mohammed I Y Elmallah, Olivier Micheau, Mennat Allah G Eid, Ali M S Hebishy, Mohamed S Abdelfattah
Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) is a promising anticancer agent, as it can kill tumor cells selectively. In our search of bioactive natural products to overcome TRAIL-resistance, we isolated 47 actinomycete strains from different sediments and seawater samples collected from the Red Sea coast in Egypt and found four crude extracts (EGY1, EGY3, EGY24 and EGY34) displaying TRAIL sensitizing activity in the resistant breast cancer cell line MDA-MB-231. None of these crude extracts exhibited cytotoxic effect on normal mouse embryonic fibroblasts (MEF), with the exception of EGY34...
April 21, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28440285/ionizing-radiation-abrogates-the-pro-tumorigenic-capacity-of-cancer-associated-fibroblasts-co-implanted-in-xenografts
#11
Maria Tunset Grinde, Jørg Vik, Ketil André Camilio, Inigo Martinez-Zubiaurre, Turid Hellevik
Cancer-associated fibroblasts (CAFs) are abundantly present in solid tumors and affect tumorigenesis and therapeutic responses. In the context of clinical radiotherapy, the impact of irradiated CAFs to treatment outcomes is largely unexplored. Aiming at improving radiotherapy efficacy, we have here explored the effect of radiation on the inherent pro-tumorigenic capacity of CAFs in animals. Ionizing radiation was delivered to cultured CAFs as single-high or fractionated doses. Tumor development was compared in mice receiving A549 lung tumor cells admixed with irradiated or control CAFs...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28439487/modified-rice-bran-hemicellulose-inhibits-vascular-endothelial-growth-factor-induced-angiogenesis-in-vitro-via-vegfr2-and-its-downstream-signaling-pathways
#12
Xia Zhu, Aya Okubo, Naoki Igari, Kentaro Ninomiya, Yukari Egashira
Angiogenesis is implicated in diverse pathological conditions such as cancer, rheumatoid arthritis, psoriasis, atherosclerosis, and retinal neovascularization. In the present study, we investigated the effects of modified rice bran hemicellulose (MRBH), a water-soluble hemicellulose preparation from rice bran treated with shiitake enzymes, on vascular endothelial growth factor (VEGF)-induced angiogenesis in vitro and its mechanism. We found that MRBH significantly inhibited VEGF-induced tube formation in human umbilical vein endothelial cells (HUVECs) co-cultured with human dermal fibroblasts...
2017: Bioscience of Microbiota, Food and Health
https://www.readbyqxmd.com/read/28438789/desmoglein-2-modulates-extracellular-vesicle-release-from-squamous-cell-carcinoma-keratinocytes
#13
Andrew M Overmiller, Jennifer A Pierluissi, Peter J Wermuth, Sami Sauma, Ubaldo Martinez-Outschoorn, Madalina Tuluc, Adam Luginbuhl, Joseph Curry, Larry A Harshyne, James K Wahl, Andrew P South, Mỹ G Mahoney
Extracellular vesicles (EVs) are nanoscale membrane-derived vesicles that serve as intercellular messengers carrying lipids, proteins, and genetic material. Substantial evidence has shown that cancer-derived EVs, secreted by tumor cells into the blood and other bodily fluids, play a critical role in modulating the tumor microenvironment and affecting the pathogenesis of cancer. Here we demonstrate for the first time that squamous cell carcinoma (SCC) EVs were enriched with the C-terminal fragment of desmoglein 2 (Dsg2), a desmosomal cadherin often overexpressed in malignancies...
April 24, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28437464/inhibition-of-%C3%AE-v%C3%AE-3-integrin-induces-loss-of-cell-directionality-of-oral-squamous-carcinoma-cells-oscc
#14
Cyntia F Montenegro, Bruna C Casali, Rafael L B Lino, Bianca C Pachane, Patty K Santos, Alan R Horwitz, Heloisa S Selistre-de-Araujo, Marcelo L Lamers
The connective tissue formed by extracellular matrix (ECM) rich in fibronectin and collagen consists a barrier that cancer cells have to overpass to reach blood vessels and then a metastatic site. Cell adhesion to fibronectin is mediated by αvβ3 and α5β1 integrins through an RGD motif present in this ECM protein, thus making these receptors key targets for cell migration studies. Here we investigated the effect of an RGD disintegrin, DisBa-01, on the migration of human fibroblasts (BJ) and oral squamous cancer cells (OSCC, SCC25) on a fibronectin-rich environment...
2017: PloS One
https://www.readbyqxmd.com/read/28436968/metabolic-control-of-primed-human-pluripotent-stem-cell-fate-and-function-by-the-mir-200c-sirt2-axis
#15
Young Cha, Min-Joon Han, Hyuk-Jin Cha, Janet Zoldan, Alison Burkart, Jin Hyuk Jung, Yongwoo Jang, Chun-Hyung Kim, Ho-Chang Jeong, Byung-Gyu Kim, Robert Langer, C Ronald Kahn, Leonard Guarente, Kwang-Soo Kim
A hallmark of cancer cells is the metabolic switch from oxidative phosphorylation (OXPHOS) to glycolysis, a phenomenon referred to as the 'Warburg effect', which is also observed in primed human pluripotent stem cells (hPSCs). Here, we report that downregulation of SIRT2 and upregulation of SIRT1 is a molecular signature of primed hPSCs and that SIRT2 critically regulates metabolic reprogramming during induced pluripotency by targeting glycolytic enzymes including aldolase, glyceraldehyde-3-phosphate dehydrogenase, phosphoglycerate kinase, and enolase...
April 24, 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28436451/empirical-modeling-of-physiochemical-immune-response-of-multilayer-zinc-oxide-nanomaterials-under-uv-exposure-to-melanoma-and-foreskin-fibroblasts
#16
Muhammad Fakhar-E-Alam, M Waseem Akram, Seemab Iqbal, K S Alimgeer, M Atif, K Sultana, M Willander, Zhiming M Wang
Carcinogenesis is a complex molecular process starting with genetic and epigenetic alterations, mutation stimulation, and DNA modification, which leads to proteomic adaptation ending with an uncontrolled proliferation mechanism. The current research focused on the empirical modelling of the physiological response of human melanoma cells (FM55P) and human foreskin fibroblasts cells (AG01518) to the multilayer zinc oxide (ZnO) nanomaterials under UV-A exposure. To validate this experimental scheme, multilayer ZnO nanomaterials were grown on a femtotip silver capillary and conjugated with protoporphyrin IX (PpIX)...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28433833/in-vitro-antitumor-activity-metal-uptake-and-reactivity-with-ascorbic-acid-and-bsa-of-some-gold-iii-complexes-with-n-n-ethylenediamine-bidentate-ester-ligands
#17
Nebojša Pantelić, Bojana B Zmejkovski, Branka Kolundžija, Marija Đorđić Crnogorac, Jelena M Vujić, Biljana Dojčinović, Srećko R Trifunović, Tatjana P Stanojković, Tibor J Sabo, Goran N Kaluđerović
Four novel gold(III) complexes of general formulae [AuCl2{(S,S)-R2eddl}]PF6 (R2eddl=O,O'-dialkyl-(S,S)-ethylenediamine-N,N'-di-2-(4-methyl)pentanoate, R=n-Pr, n-Bu, n-Pe, i-Bu; 1-4, respectively), were synthesized and characterized by elemental analysis, UV/Vis, IR, and NMR spectroscopy, as well as high resolution mass spectrometry. Density functional theory calculations pointed out that (R,R)-N,N'-configuration diastereoisomers were energetically the most favorable. Duo to high cytotoxic activity complex 3 was chosen for stability study in DMSO, no decomposition occurs within 24h, and for the reaction with ascorbic acid in which was reduced immediately...
April 4, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28433392/quantifying-rates-of-cell-migration-and-cell-proliferation-in-co-culture-barrier-assays-reveals-how-skin-and-melanoma-cells-interact-during-melanoma-spreading-and-invasion
#18
Parvathi Haridas, Catherine J Penington, Jacqui A McGovern, D L Sean McElwain, Matthew J Simpson
Malignant spreading involves the migration of cancer cells amongst other native cell types. For example, in vivo melanoma invasion involves individual melanoma cells migrating through native skin, which is composed of several distinct subpopulations of cells. Here, we aim to quantify how interactions between melanoma and fibroblast cells affect the collective spreading of a heterogeneous population of these cells in vitro. We perform a suite of circular barrier assays that includes: (i) monoculture assays with fibroblast cells; (ii) monoculture assays with SK-MEL-28 melanoma cells; and (iii) a series of co-culture assays initiated with three different ratios of SK-MEL-28 melanoma cells and fibroblast cells...
April 19, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28430665/p2x7-receptor-and-nlrp3-inflammasome-activation-in-head-and-neck-cancer
#19
Ju Young Bae, Sang-Woo Lee, Yong-Hwan Shin, Jong-Ho Lee, Jeong Won Jahng, Kyungpyo Park
In this study, we investigated purinergic receptor P2X7 and NACHT, LRR and PYD domains-containing protein 3 (NLRP3) inflammasome expressions, and their role in head and neck cancer. We found upregulation of purinergic receptor P2X7 and all NLRP3 inflammasome components in biopsied head and neck squamous cell carcinoma tissues. Similarly, the expression of purinergic receptor P2X7, apoptosis-associated speck-like protein containing CARD, and pro-form caspase 1 in A253 cells derived from epidermoid carcinoma were highly upregulated in comparison to normal Human Salivary Gland cell line...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28429795/cd200-positive-cancer-associated-fibroblasts-augment-the-sensitivity-of-epidermal-growth-factor-receptor-mutation-positive-lung-adenocarcinomas-to-egfr-tyrosine-kinase-inhibitors
#20
Masayuki Ishibashi, Shinya Neri, Hiroko Hashimoto, Tomoyuki Miyashita, Tatsuya Yoshida, Yuka Nakamura, Hibiki Udagawa, Keisuke Kirita, Shingo Matsumoto, Shigeki Umemura, Kiyotaka Yoh, Seiji Niho, Masahiro Tsuboi, Kenkichi Masutomi, Koichi Goto, Atsushi Ochiai, Genichiro Ishii
Cancer associated fibroblasts (CAFs) play important roles in the chemotherapeutic process, especially through influencing the resistance of tumor cells to molecular targeted therapy. Here we report the existence of a special subpopulation of patient-specific-CAFs that augment the sensitivity of EGFR gene mutation-positive lung cancer to the EGFR-tyrosine kinase inhibitor (EGFR-TKI), gefitinib. When cocultured with EGFR mutation positive lung cancer cells, these CAFs increased the apoptic effect of gefitinib on cancer cells, whereas, in the absence of gefitinib, they did not affect cancer cell viability...
April 21, 2017: Scientific Reports
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