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https://www.readbyqxmd.com/read/29793168/olive-oil-polyphenols-reduce-oxysterols-induced-redox-imbalance-and-pro-inflammatory-response-in-intestinal-cells
#1
Gessica Serra, Alessandra Incani, Gabriele Serreli, Laura Porru, M Paola Melis, Carlo I G Tuberoso, Daniela Rossin, Fiorella Biasi, Monica Deiana
Dietary habits may strongly influence intestinal homeostasis. Oxysterols, the oxidized products of cholesterol present in cholesterol-containing foodstuffs, have been shown to exert pro-oxidant and pro-inflammatory effects, altering intestinal epithelial layer and thus contributing to the pathogenesis of human inflammatory bowel diseases and colon cancer. Extra virgin olive oil polyphenols possess antioxidant and anti-inflammatory properties, and concentrate in the intestinal lumen, where may help in preventing intestinal diseases...
May 16, 2018: Redox Biology
https://www.readbyqxmd.com/read/29792200/wedge-shaped-microfluidic-chip-for-circulating-tumor-cells-isolation-and-its-clinical-significance-in-gastric-cancer
#2
Chaogang Yang, Nangang Zhang, Shuyi Wang, Dongdong Shi, Chunxiao Zhang, Kan Liu, Bin Xiong
BACKGROUND: Circulating tumor cells (CTCs) have great potential in both basic research and clinical application for the managements of cancer. However, the complicated fabrication processes and expensive materials of the existing CTCs isolation devices, to a large extent, limit their clinical translation and CTCs' clinical value. Therefore, it remains to be urgently needed to develop a new platform for achieving CTCs detection with low-cost, mass-producible but high performance. METHODS: In the present study, we introduced a novel wedge-shaped microfluidic chip (named CTC-ΔChip) fabricated by two pieces of glass through wet etching and thermal bonding technique for CTCs isolation, which achieved CTCs enrichment by different size without cell surface expression markers and CTCs identification with three-color immunocytochemistry method (CK+/CD45-/Nucleus+)...
May 23, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29792199/nanoparticle-delivery-of-grape-seed-derived-proanthocyanidins-to-airway-epithelial-cells-dampens-oxidative-stress-and-inflammation
#3
S Castellani, A Trapani, A Spagnoletta, L di Toma, T Magrone, S Di Gioia, D Mandracchia, G Trapani, E Jirillo, M Conese
BACKGROUND: Chronic respiratory diseases, whose one of the hallmarks is oxidative stress, are still incurable and need novel therapeutic tools and pharmaceutical agents. The phenolic compounds contained in grape are endowed with well-recognized anti-oxidant, anti-inflammatory, anti-cancer, and anti-aging activities. Considering that natural anti-oxidants, such as proanthocyanidins, have poor water solubility and oral bioavailability, we have developed a drug delivery system based on solid lipid nanoparticles (SLN), apt to encapsulate grape seed extract (GSE), containing proanthocyanidins...
May 23, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29791768/vaccine-immunotherapy-with-arnax-induces-tumor-specific-memory-t-cells-and-durable-anti-tumor-immunity-in-mouse-models
#4
Yohei Takeda, Sumito Yoshida, Ken Takashima, Noriko Ishii-Mugikura, Hiroaki Shime, Tsukasa Seya, Misako Matsumoto
Immunological checkpoint blockade therapies benefit a limited population of cancer patients. We have previously shown that vaccine immunotherapy with TLR3-adjuvant and tumor antigen overcomes anti-programmed death ligand-1 (PD-L1) resistance in mouse tumor models. In this study, four different OVA-expressing tumor cell lines were implanted into syngeneic mice and subjected to antitumor immunotherapy using ARNAX and whole OVA protein. ARNAX is a Toll-like receptor 3-specific agonist that does not activate the MAVS pathway, and thus does not induce systemic inflammation...
May 23, 2018: Cancer Science
https://www.readbyqxmd.com/read/29791764/synergy-between-peroxisome-proliferator-activated-receptor-%C3%AE-agonist-and-radiotherapy-in-cancer
#5
Guodong Huang, Limei Yin, Jie Lan, Ruizhan Tong, Mengqian Li, Feifei Na, Xianming Mo, Chong Chen, Jianxin Xue, You Lu
ANGIOGENESIS AND INFLAMMATION ARE CRUCIAL PROCESSES, THROUGH WHICH THE: tumor microenvironment (TME) influences tumor progression. In this STUDY, WE REVEALED THAT PEROXISOME PROLIFERATOR-ACTIVATED RECEPTOR Γ (PPARΓ) IS: NOT ONLY EXPRESSED IN CT26 AND 4T1 TUMOR CELL LINES BUT ALSO IN CELLS OF TME,: including endothelial cells and tumor-associated macrophages (TAMs). In addition, WE DEMONSTRATED THAT ROSIGLITAZONE MAY INDUCE TUMOR VESSEL NORMALIZATION AND REDUCE: TAM infiltration. Additionally, 4T1 and CT26 tumor-bearing mice treated with ROSIGLITAZONE IN COMBINATION WITH RADIOTHERAPY DISPLAYED A SIGNIFICANT REDUCTION IN: lesion size and lung metastasis...
May 23, 2018: Cancer Science
https://www.readbyqxmd.com/read/29791130/quantification-of-serum-high-mobility-group-box-1-by-liquid-chromatography-high-resolution-mass-spectrometry-implications-for-its-role-in-immunity-inflammation-and-cancer
#6
Liwei Weng, Lili Guo, Anil Vachani, Clementina A Mesaros, Ian Alexander Blair
High mobility group box 1 (HMGB1), is a non-histone chromosomal protein, which can be secreted through a variety of pathways and bind to pattern recognition receptors to release pro-inflammatory cytokines. Previous studies have suggested that HMGB1 is up-regulated in numerous inflammatory diseases and that it could be a biomarker for such diseases. However, these studies used immunoassay-based methods to analyze serum HMGB1. Autoantibodies to HMGB1 in serum are found in healthy control subjects as well as in patients with different diseases...
May 23, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29790745/vanillin-ameliorated-the-development-of-azoxymethane-dextran-sodium-sulfate-induced-murine-colorectal-cancer-the-involvement-of-proteasome-nuclear-factor-%C3%AE%C2%BAb-mitogen-activated-protein-kinase-pathways
#7
Jung-Miao Li, Yu-Chen Lee, Chia-Cheng Li, Hsin-Yi Lo, Feng-Yuan Chen, Yi-Siou Chen, Chien-Yun Hsiang, Tin-Yun Ho
Vanillin is a natural dietary flavoring widely used in food industry. Colorectal cancer (CRC) is one of the common malignancies in the world. Chronic intestinal inflammation is a risk factor for the development of CRC. We have previously found that vanillin improves and prevents colitis in mice. Here we evaluated the inhibitory activities of vanillin on a mouse model of colitis-induced CRC. Mice were challenged intraperitoneally with azoxymethane (AOM) and orally with dextran sodium sulfate (DSS). Various dosages of vanillin were orally administered for 13 consecutive weeks...
May 23, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29790065/extract-of-fructus-schisandrae-chinensis-inhibits-neuroinflammation-mediator-production-from-microglia-via-nf-%C3%AE%C2%BA-b-and-mapk-pathways
#8
Fang-Jiao Song, Ke-Wu Zeng, Jin-Feng Chen, Yuan Li, Xiao-Min Song, Peng-Fei Tu, Xue-Mei Wang
OBJECTIVE: To investigate the anti-neuroinflammation effect of extract of Fructus Schisandrae chinensis (EFSC) on lipopolysaccharide (LPS)-induced BV-2 cells and the possible involved mechanisms. METHODS: Primary cortical neurons were isolated from embryonic (E17-18) cortices of Institute of Cancer Research (ICR) mouse fetuses. Primary microglia and astroglia were isolated from the frontal cortices of newborn ICR mouse. Different cells were cultured in specific culture medium...
May 22, 2018: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/29789993/the-role-of-the-epithelial-to-mesenchymal-transition-emt-in-diseases-of-the-salivary-glands
#9
REVIEW
Margherita Sisto, Sabrina Lisi, Domenico Ribatti
The link between inflammatory microenvironment and cancer emerged in the last years as a decisive factor in the induction of the pathological epithelial-mesenchymal transition (EMT). The EMT induces changes of cell states converting the epithelial cells to mesenchymal cells when this program is fully executed and EMT has emerged as a central driver of tumor malignancy. Cellular pathways activated by chronic inflammation brought about by chronic infections, by immune-mediated diseases, or by dysregulated wound healing at sites of repetitive tissue injury, constitute risk factors or initial cell transformation and for cancer progression...
May 23, 2018: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/29789606/the-prognostic-value-of-systemic-inflammation-in-patients-undergoing-surgery-for-colon-cancer-comparison-of-composite-ratios-and-cumulative-scores
#10
Ross D Dolan, Stephen T McSorley, James H Park, David G Watt, Campbell S Roxburgh, Paul G Horgan, Donald C McMillan
INTRODUCTION: The systemic inflammatory response has been proven to have a prognostic value. There are two methods of assessing the systemic inflammatory response composite ratios (R) and cumulative scores (S). The aim of this study was to compare the prognostic value of ratios and scores in patients undergoing surgery for colon cancer. METHODS: Patients were identified prospectively in a single surgical unit. Preoperative neutrophil (N), lymphocyte (L), monocyte (M) and platelet (P) counts, CRP (C) and albumin (A) levels were recorded...
May 23, 2018: British Journal of Cancer
https://www.readbyqxmd.com/read/29789277/applicability-of-a-web-based-individualized-exercise-intervention-in-patients-with-liver-disease-cystic-fibrosis-esophageal-cancer-and-psychiatric-disorders-process-evaluation-of-4-ongoing-clinical-trials
#11
Daniel Pfirrmann, Nils Haller, Yvonne Huber, Patrick Jung, Klaus Lieb, Ines Gockel, Krystyna Poplawska, Jörn Markus Schattenberg, Perikles Simon
BACKGROUND: In the primary and secondary prevention of civilization diseases, regular physical activity is recommended in international guidelines to improve disease-related symptoms, delay the progression of the disease, or to enhance postoperative outcomes. In the preoperative context, there has been a paradigm shift in favor of using preconditioning concepts before surgery. Web-based interventions seem an innovative and effective tool for delivering general information, individualized exercise recommendations, and peer support...
May 22, 2018: JMIR Research Protocols
https://www.readbyqxmd.com/read/29788918/alterations-in-no-and-pgi-2-dependent-function-in-aorta-in-the-orthotopic-murine-model-of-metastatic-4t1-breast-cancer-relationship-with-pulmonary-endothelial-dysfunction-and-systemic-inflammation
#12
E Buczek, A Denslow, L Mateuszuk, B Proniewski, T Wojcik, B Sitek, A Fedorowicz, A Jasztal, E Kus, A Chmura-Skirlinska, R Gurbiel, J Wietrzyk, S Chlopicki
BACKGROUND: Patients with cancer develop endothelial dysfunction and subsequently display a higher risk of cardiovascular events. The aim of the present work was to examine changes in nitric oxide (NO)- and prostacyclin (PGI2 )-dependent endothelial function in the systemic conduit artery (aorta), in relation to the formation of lung metastases and to local and systemic inflammation in a murine orthotopic model of metastatic breast cancer. METHODS: BALB/c female mice were orthotopically inoculated with 4T1 breast cancer cells...
May 22, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29788877/contribution-of-nrf2-in-gastrointestinal-protection-from-oxidative-injury
#13
Akinori Yanaka
The human gastrointestinal tract is exposed to a variety of toxic agents, such as Helicobacter pylori (H.pylori), nonsteroidal anti-inflammatory drugs (NSAIDs), gastric acid, enteric pathogenic bacteria, excessive auto immune reactions, and chronic mental stresses. These stressors generate free radicals within the gastrointestinal tissues, causing chronic inflammatory diseases, ulcers, cancers, and functional disturbances. Recent studies have demonstrated that some natural food compounds upregulate the nuclear factor erythroid 2-related factor 2-mediated antioxidant system, ameliorating or preventing these disorders...
May 21, 2018: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29788514/endobronchial-ultrasound-in-suspected-non-malignant-mediastinal-lymphadenopathy
#14
L Eickhoff, H Golpon, P Zardo, H Suhling, T Welte, D Jonigk, J Gottlieb, T Fuehner
BACKGROUND:  Endobronchial ultrasound (EBUS) bronchoscopy with transbronchial needle aspiration (TBNA) is a well-established tool in mediastinal staging in lung cancer and gains importance in exploration of non-malignant lymphadenopathy. The aim of this study was to evaluate the role of EBUS-TBNA in suspected non-malignant diseases. METHODS:  A retrospective, single-center, observation analysis of endobronchial ultrasound bronchoscopy procedures was performed in a university medical center between March 2013 and July 2015...
May 22, 2018: Pneumologie
https://www.readbyqxmd.com/read/29788156/systemic-inflammation-markers-after-simplification-to-atazanavir-ritonavir-plus-lamivudine-in-virologically-suppressed-hiv-1-infected-patients-atlas-m-substudy
#15
Simone Belmonti, Francesca Lombardi, Eugenia Quiros-Roldan, Alessandra Latini, Antonella Castagna, Alberto Borghetti, Gianmaria Baldin, Arturo Ciccullo, Roberto Cauda, Andrea De Luca, Simona Di Giambenedetto
Background: Biomarkers of systemic inflammation predict non-AIDS events and overall mortality in virologically suppressed HIV-1-infected patients. Objectives: To determine whether switching to a dual antiretroviral maintenance therapy was associated with modification of biomarkers of systemic inflammation as compared with continuation of successful standard triple therapy. Methods: In this substudy of the randomized ATLAS-M trial, we compared in virologically suppressed patients the impact at 1 year of simplification to a dual therapy with atazanavir/ritonavir plus lamivudine versus maintaining atazanavir/ritonavir plus two NRTI triple therapy on markers of systemic inflammation...
April 17, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29787979/genome-wide-analysis-reveals-tnfaip8l2-as-an-immune-checkpoint-regulator-of-inflammation-and-metabolism
#16
Ting Li, Wei Wang, Shunyou Gong, Honghong Sun, Huqin Zhang, An-Gang Yang, Youhai H Chen, Xinyuan Li
The interplay between inflammation and metabolism is widely recognized, yet the underlying molecular mechanisms remain poorly characterized. Using experimental database mining and genome-wide gene expression profiling methods, we found that in contrast to other TNFAIP8 family members, TNFAIP8L2 (TIPE2) was preferentially expressed in human myeloid cell types. In addition, Tnfaip8l2 expression drastically decreased in lipopolysaccharide (LPS)-stimulated macrophages. Consequently, Tnfaip8l2 deficiency led to heightened expression of genes that were enriched for leukocyte activation and lipid biosynthesis pathways...
May 19, 2018: Molecular Immunology
https://www.readbyqxmd.com/read/29787808/lipoxin-a-4-and-its-analog-suppress-hepatocarcinoma-cell-epithelial-mesenchymal-transition-migration-and-metastasis-via-regulating-integrin-linked-kinase-axis
#17
Fen Xu, Xiaoyan Zhou, Jian Hao, Hua Dai, Jian Zhang, Yuanqiao He, Hua Hao
Epithelial-mesenchymal Transition (EMT) and migration play an important role in tumor progression, and lipoxin (LX), the 'stop signal' for inflammation, has been studied in basic research for its anti-inflammatory or inflammatory pro-resolving properties. Here, in the in vitro experiment, we showed that LXA4 could inhibit the EMT and migration in phorbol myristate acetate (PMA) or activated conditioned medium (ACM)-stimulated Hep3B cells by downregulation of integrin-linked kinase (ILK), a pseudokinase in cytoplasm and these effects were via inhibiting the phosphorylation of Akt and GSK3β...
May 19, 2018: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/29786110/multi%C3%A2-layered-prevention-and-treatment-of-chronic-inflammation-organ-fibrosis-and-cancer-associated-with-canonical-wnt-%C3%AE-%C3%A2-catenin-signaling-activation-review
#18
Masaru Katoh
β‑catenin/CTNNB1 is an intracellular scaffold protein that interacts with adhesion molecules (E‑cadherin/CDH1, N‑cadherin/CDH2, VE‑cadherin/CDH5 and α‑catenins), transmembrane‑type mucins (MUC1/CD227 and MUC16/CA125), signaling regulators (APC, AXIN1, AXIN2 and NHERF1/EBP50) and epigenetic or transcriptional regulators (BCL9, BCL9L, CREBBP/CBP, EP300/p300, FOXM1, MED12, SMARCA4/BRG1 and TCF/LEF). Gain‑of‑function CTTNB1 mutations are detected in bladder cancer, colorectal cancer, gastric cancer, liver cancer, lung cancer, pancreatic cancer, prostate cancer and uterine cancer, whereas loss‑of‑function CTNNB1 mutations are also detected in human cancer...
May 17, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29786075/tp53-gain-of-function-mutation-promotes-inflammation-in-glioblastoma
#19
Seok Won Ham, Hee-Young Jeon, Xiong Jin, Eun-Jung Kim, Jun-Kyum Kim, Yong Jae Shin, Yeri Lee, Se Hoon Kim, Seon Yong Lee, Sunyoung Seo, Min Gi Park, Hye-Mi Kim, Do-Hyun Nam, Hyunggee Kim
Glioblastoma (GBM), the most severe and common brain tumor in adults, is characterized by multiple somatic mutations and aberrant activation of inflammatory responses. Immune cell infiltration and subsequent inflammation cause tumor growth and resistance to therapy. Somatic loss-of-function mutations in the gene encoding tumor suppressor protein p53 (TP53) are frequently observed in various cancers. However, numerous studies suggest that TP53 regulates malignant phenotypes by gain-of-function (GOF) mutations...
May 21, 2018: Cell Death and Differentiation
https://www.readbyqxmd.com/read/29786070/selective-elimination-of-senescent-cells-by-mitochondrial-targeting-is-regulated-by-ant2
#20
Sona Hubackova, Eliska Davidova, Katerina Rohlenova, Jan Stursa, Lukas Werner, Ladislav Andera, LanFeng Dong, Mikkel G Terp, Zdenek Hodny, Henrik J Ditzel, Jakub Rohlena, Jiri Neuzil
Cellular senescence is a form of cell cycle arrest that limits the proliferative potential of cells, including tumour cells. However, inability of immune cells to subsequently eliminate senescent cells from the organism may lead to tissue damage, inflammation, enhanced carcinogenesis and development of age-related diseases. We found that the anticancer agent mitochondria-targeted tamoxifen (MitoTam), unlike conventional anticancer agents, kills cancer cells without inducing senescence in vitro and in vivo. Surprisingly, it also selectively eliminates both malignant and non-cancerous senescent cells...
May 21, 2018: Cell Death and Differentiation
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