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https://www.readbyqxmd.com/read/28634361/uridine-ameliorates-dextran-sulfate-sodium-dss-induced-colitis-in-mice
#1
Manish Kumar Jeengar, Dinesh Thummuri, Mattias Magnusson, V G M Naidu, Srinivas Uppugunduri
Uridine, one of the four components that comprise RNA, has attracted attention as a novel therapeutic modulator of inflammation. However, very little is known about its effect on intestinal inflammation. The aim of the present study was to investigate the potential protective effect of intracolonic administered uridine against DSS induced colitis in male C57BL/6 mice. Intracolonic instillation of 3 doses of uridine 1 mg/Kg (lower dose), 5 mg/Kg (medium dose), and 10 mg/Kg (higher dose) in saline was performed daily...
June 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28621668/blocking-epithelial-to-mesenchymal-transition-in-glioblastoma-with-a-sextet-of-repurposed-drugs-the-eis-regimen
#2
Richard E Kast, Nicolas Skuli, Georg Karpel-Massler, Guido Frosina, Timothy Ryken, Marc-Eric Halatsch
This paper outlines a treatment protocol to run alongside of standard current treatment of glioblastoma- resection, temozolomide and radiation. The epithelial to mesenchymal transition (EMT) inhibiting sextet, EIS Regimen, uses the ancillary attributes of six older medicines to impede EMT during glioblastoma. EMT is an actively motile, therapy-resisting, low proliferation, transient state that is an integral feature of cancers' lethality generally and of glioblastoma specifically. It is believed to be during the EMT state that glioblastoma's centrifugal migration occurs...
June 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28617818/proteome-profiling-in-il-1%C3%AE-and-vegf-activated-human-umbilical-vein-endothelial-cells-delineates-the-interlink-between-inflammation-and-angiogenesis
#3
Thomas Mohr, Verena Haudek-Prinz, Astrid Slany, Johannes Grillari, Michael Micksche, Christopher Gerner
Endothelial cells represent major effectors in inflammation and angiogenesis, processes that drive a multitude of pathological states such as atherosclerosis and cancer. Both inflammation and angiogenesis are interconnected with each other in the sense that many pro-inflammatory proteins possess proangiogenic properties and vice versa. To elucidate this interplay further, we present a comparative proteome study of inflammatory and angiogenic activated endothelial cells. HUVEC were stimulated with interleukin 1-β and VEGF, respectively...
2017: PloS One
https://www.readbyqxmd.com/read/28585218/lipotoxicity-in-obesity-benefit-of-olive-oil
#4
Saad Elias, Sbeit Wisam, Arraf Luai, Barhoum Massad, Assy Nimer
The clinical implication of Lipotoxicity in obesity derives primarily from its potential to progress to insulin resistance, endothelial dysfunction and atherosclerosis. Olive oil rich diet decrease accumulation of triglyceride in the liver, improved postprandial triglyceride levels, improve glucose and GLP-1 response in insulin resistant subjects, and up regulate GLUT-2 expression in the liver. The exact molecular mechanism is unknown but, decreasing NFkB activation, decreasing LDL oxidation and improving insulin resistance by less production of inflammatory cytokines (TNF-a, IL-6) and improvement of kinases JNK-mediated phosphorylation of IRS-1 are the principle mechanisms...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28578651/immunomodulatory-effect-of-g2013-a-l-guluronic-acid-on-thetlr2-and-tlr4-in-human-mononuclear-cells
#5
Laleh Sharifi, Monireh Mohsenzadegan, Asghar Aghamohammadi, Nima Rezaei, Farzaneh Tofighi Zavareh, Saied Bokaie, Mona Moshiri, Gholamreza Azizi, Abbas Mirshafiey, Zahra Aghazadeh
BACKGROUND: Inhibition of Toll-like receptors (TLRs) signaling have been established as a new method for development of anti-inflammatory drugs instead of NSAIDs (non-steroid anti-inflammatory drugs). Since the immunomodulatory role of G2013 was reported in some recent experiments, we decided to assess the effects of G2013 (a-L-Guluronic acid) on the protein expression of TLR2 and TLR4, their downstream signaling cascade, and the secretion of pro-inflammatory cytokines in human peripheral blood mononuclear cells (PBMCs)...
June 4, 2017: Current Drug Discovery Technologies
https://www.readbyqxmd.com/read/28572156/g-protein-coupled-receptor-kinase-2-is-a-critical-regulator-of-tnf%C3%AE-signaling-in-colon-epithelial-cells
#6
Michael Steury, Peter C Lucas, Laura R McCabe, Narayanan Parameswaran
G protein-coupled receptor kinase-2 (GRK2) belongs to the GRK family of serine/threonine protein kinases critical in the regulation of GPCRs. Apart from this canonical role, GRK2 is also involved in several signaling pathways via distinct intracellular interactomes. In this study, we examined the role of GRK2 in TNFα signaling in colon epithelial cell-biological processes including wound healing, proliferation, apoptosis, and gene expression. Knockdown of GRK2 in the SW480 human colonic cells significantly enhanced TNFα-induced epithelial cell wound healing without any effect on apoptosis/proliferation...
June 1, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28572092/cyld-deubiquitinase-is-necessary-for-proper-ubiquitination-and-degradation-of-the-epidermal-growth-factor-receptor
#7
Virginia Sanchez-Quiles, Vyacheslav Akimov, Nerea Osinalde, Chiara Francavilla, Michele Puglia, Inigo Barrio-Hernandez, Irina Kratchmarova, Jesper V Olsen, Blagoy Blagoev
Cylindromatosis tumor suppressor protein (CYLD) is deubiquitinase, best known as an essential negative regulator of the NFkB pathway. Previous studies have suggested an involvement of CYLD in epidermal growth factor (EGF)-dependent signal transduction as well, as it was found enriched within the tyrosine-phosphorylated complexes in cells stimulated with the growth factor. EGF receptor (EGFR) signaling participates in central cellular processes and its tight regulation, partly through ubiquitination cascades, is decisive for a balanced cellular homeostasis...
June 1, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28542410/gla-rich-protein-function-as-an-anti-inflammatory-agent-in-monocytes-macrophages-implications-for-calcification-related-chronic-inflammatory-diseases
#8
Carla S B Viegas, Rúben M Costa, Lúcia Santos, Paula A Videira, Zélia Silva, Nuna Araújo, Anjos L Macedo, António P Matos, Cees Vermeer, Dina C Simes
Calcification-related chronic inflammatory diseases are multifactorial pathological processes, involving a complex interplay between inflammation and calcification events in a positive feed-back loop driving disease progression. Gla-rich protein (GRP) is a vitamin K dependent protein (VKDP) shown to function as a calcification inhibitor in cardiovascular and articular tissues, and proposed as an anti-inflammatory agent in chondrocytes and synoviocytes, acting as a new crosstalk factor between these two interconnected events in osteoarthritis...
2017: PloS One
https://www.readbyqxmd.com/read/28520754/effects-of-milk-product-intake-on-thigh-muscle-strength-and-nfkb-gene-methylation-during-home-based-interval-walking-training-in-older-women-a-randomized-controlled-pilot-study
#9
Shizue Masuki, Kensei Nishida, Shigenari Hashimoto, Mayuko Morikawa, Satoshi Takasugi, Masashi Nagata, Shun'ichiro Taniguchi, Kazuhito Rokutan, Hiroshi Nose
BACKGROUND: Muscle atrophy with aging is closely associated with chronic systemic inflammation and lifestyle-related diseases. In the present study, we assessed whether post-exercise milk product intake during 5-month interval walking training (IWT) enhanced the increase in thigh muscle strength and ameliorated susceptibility to inflammation in older women. METHODS: Subjects [n = 37, 66±5 (standard deviation) yrs] who had been performing IWT for >6 months participated in this study...
2017: PloS One
https://www.readbyqxmd.com/read/28515175/role-for-reactive-oxygen-species-in-flow-stimulated-inner-medullary-collecting-duct-endothelin-1-production
#10
Will Wheatley, Donald E Kohan
Inner medullary collecting duct (IMCD)-derived endothelin-1 (ET-1) is stimulated by volume expansion, in part through augmented luminal flow, whereupon it can elicit natriuresis and diuresis. Since flow can alter nitric oxide (NO) and reactive oxygen species (ROS), both of which can affect collecting duct salt transport, we asked whether NO and/or ROS mediate flow-stimulated IMCD ET-1. Mouse IMCD3 cells were exposed to flow and ET-1/GAPDH mRNA assessed. A shear stress of 10 dyne/cm2 for 1 hr increased ET-1 mRNA by 4-fold compared to no flow (ET-1 flow response)...
May 17, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28512269/oscillating-expression-of-interleukin-16-in-multiple-myeloma-is-associated-with-proliferation-clonogenic-growth-and-pi3k-nfkb-mapk-activation
#11
Julia Templin, Djordje Atanackovic, Daniel Hasche, Sabarinath Venniyil Radhakrishnan, Tim Luetkens
Multiple myeloma (MM) is an incurable hematologic malignancy emerging from a plasma cell clone located in the bone marrow and is characterized by a high rate of fatal relapses after initially effective treatment. We have previously identified Interleukin-16 (IL-16) as an important factor promoting the proliferation of MM cells. We demonstrate here an upregulated, periodic expression, and secretion of IL-16 by MM cells leading to high extracellular IL-16 levels. The level of IL-16 released from a given MM cell line correlated with its proliferative activity...
April 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28505169/molecular-basis-of-targeted-therapy-in-t-nk-cell-lymphoma-leukemia-a-comprehensive-genomic-and-immunohistochemical-analysis-of-a-panel-of-33-cell-lines
#12
Rufino Mondejar, Cristina Pérez, Arantza Onaindia, Nerea Martinez, Julia González-Rincón, Helena Pisonero, Jose Pedro Vaqué, Laura Cereceda, Miguel Santibañez, Margarita Sánchez-Beato, Miguel Angel Piris
T and NK-cell lymphoma is a collection of aggressive disorders with unfavorable outcome, in which targeted treatments are still at a preliminary phase. To gain deeper insights into the deregulated mechanisms promoting this disease, we searched a panel of 31 representative T-cell and 2 NK-cell lymphoma/leukemia cell lines for predictive markers of response to targeted therapy. To this end, targeted sequencing was performed alongside the expression of specific biomarkers corresponding to potentially activated survival pathways...
2017: PloS One
https://www.readbyqxmd.com/read/28498622/regulation-of-raw264-7-macrophage-polarization-on-smooth-and-rough-surface-topographies-by-galectin-3
#13
F Kianoush, M Nematollahi, J D Waterfield, D M Brunette
Recognition of topographical features induces phenotypic changes in macrophages although the receptors and signaling pathways are not completely characterized. As integrin molecules in focal adhesions/podosomes are in intimate contact with topography and topography modulates the NFkB pathway through cholesterol enriched raft-associated adhesive signaling structures we hypothesized that a cell-surface signaling complex comprised of galectin-3 together with its ligand CD98 and integrinβ1 is important for topography-directed lineage determination...
May 12, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28495615/a-novel-function-of-tlr4-in-mediating-the-immunomodulatory-effect-of-benzanthrone-an-environmental-pollutant
#14
Prachi Tewari, Payal Mandal, Ruchi Roy, Somya Asthana, Premendra D Dwivedi, Mukul Das, Anurag Tripathi
Our prior studies have reported that Benzanthrone (BA) manifests inflammatory responses in the spleen of Balb/c mice. The present investigation was carried out to study the impact of BA on macrophages, which are the primary scavenger cells in the body that act as a connecting link between innate and adaptive immunity. Parenteral administration of BA (daily for one week) to mice resulted in enhanced levels of nitric oxide (NO) and overexpression of inflammatory markers (COX-2, MMP-9 and PGE-2) in macrophages; however the level of MHC class-I and MHC class-II receptors were down regulated...
July 5, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28494015/long-non-coding-rna-lethe-regulates-hyperglycemia-induced-reactive-oxygen-species-production-in-macrophages
#15
Carlos Zgheib, Maggie M Hodges, Junyi Hu, Kenneth W Liechty, Junwang Xu
Type 2 diabetes mellitus is a complex, systemic metabolic disease characterized by insulin resistance and resulting hyperglycemia, which is associated with impaired wound healing. The clinical complications associated with hyperglycemia are attributed, in part, to the increased production of reactive oxygen species (ROS). Recent studies revealed that long non-coding RNAs (lncRNAs) play important regulatory roles in many biological processes. Specifically, lncRNA Lethe has been described as exhibiting an anti-inflammatory effect by binding to the p65 subunit of NFκB and blocking its binding to DNA and the subsequent activation of downstream genes...
2017: PloS One
https://www.readbyqxmd.com/read/28485809/overexpression-of-%C3%AE-arrestin2-induces-g1-phase-cell-cycle-arrest-and-suppresses-tumorigenicity-in-renal-cell-carcinoma
#16
Y-J Cao, Y-J Zhou, X-Z He, C-X Zhou, L Cui, Q-F Zhuang, R-F Xu
OBJECTIVE: The objective of this study was to investigate the role of β-arrestin2 in the proliferation, migration, apoptosis, cell cycle and clone formation of renal cell carcinoma (RCC) cell lines and to explore the possible mechanism of β-arrestin2 in RCC invasion and metastasis to find a new therapeutic target. MATERIALS AND METHODS: Cell proliferation, migration, apoptosis, cell cycle and clone formation were analyzed after RCC cell lines (786-0 and CaKi) and transfected with β-arrestin2 overexpression plasmid...
April 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28479391/differential-cytotoxic-activity-of-quercetin-on-colonic-cancer-cells-depends-on-ros-generation-through-cox-2-expression
#17
Subramaniya Bharathi Raja, Vijayabharathi Rajendiran, Nirmal Kumar Kasinathan, Amrithalakshmi P, Sivaramakrishnan Venkatabalasubramanian, Malliga Raman Murali, Halagowder Devaraj, Sivasithamparam Niranjali Devaraj
Quercetin is a bioactive compound with anti-inflammatory, antioxidant and anticancer properties. This study exemplifies the differential cytotoxic activity of Quercetin on two human colonic cancer cell lines, HT29 and HCT15. IC50 of Quercetin for HT29 and HCT15 cells were 42.5 μM and 77.4 μM, respectively. Activation of caspase-3, increased level of cytosolic cytochrome c, decreased levels of pAkt, pGSK-3β and cyclin D1 in 40 μM Quercetin treated HT29 cells alone. Though, nuclear translocation of NFkB was increased in 40 μM Quercetin treated HT29 and HCT15 cells, over expression of COX-2 was observed in 40 μM Quercetin treated HT29 cells, whereas, Quercetin treated HCT15 cells did not expressed COX-2...
May 4, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28479318/identification-of-somatic-mutations-in-primary-cutaneous-diffuse-large-b-cell-lymphoma-leg-type-by-massive-parallel-sequencing
#18
Sylvain Mareschal, Anne Pham-Ledard, Pierre Julien Viailly, Sydney Dubois, Philippe Bertrand, Catherine Maingonnat, Maxime Fontanilles, Elodie Bohers, Philippe Ruminy, Isabelle Tournier, Philippe Courville, Bernard Lenormand, Anne Bénédicte Duval, Emilie Andrieu, Laurence Verneuil, Beatrice Vergier, Hervé Tilly, Pascal Joly, Thierry Frebourg, Marie Beylot-Barry, Jean-Philippe Merlio, Fabrice Jardin
To determine whether the mutational profile of primary cutaneous diffuse large B-cell lymphoma leg-type (PCLBCL-LT) is unique by comparison with other diffuse large B-cell lymphoma (DLBCL) subtypes, we analyzed a total cohort of 28 PCLBCL-LT cases by next generation sequencing with a Lymphopanel designed for DLBCL. We also analyzed 12 pairs of tumor and control DNA samples by whole exome sequencing which led us to perform resequencing of three selected genes not included in the Lymphopanel: TBL1XR1, KLHL6 and IKZF3...
May 4, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28476581/tumour-associated-macrophages-activate-migration-and-stat3-in-pancreatic-ductal-adenocarcinoma-cells-in-co-cultures
#19
Aino Salmiheimo, Harri Mustonen, Sanna Vainionpää, Zhanlong Shen, Esko Kemppainen, Pauli Puolakkainen, Hanna Seppänen
OBJECTIVES: Tumour-associated macrophages participate in tumour development and progression. The aim of this study was to assess the interactions of pancreatic cancer cells and pro-inflammatory M1 and anti-inflammatory M2 macrophages, specifically their effect on pancreatic cancer cell migration and the changes in STAT-signalling. METHODS: Monocytes were isolated from healthy subjects and differentiated into macrophages with M-CSF. The macrophages were polarized towards M1 by IL-12 and towards M2 by IL-10...
April 24, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/28456475/advanced-glycation-end-products-and-strontium-ranelate-promote-osteogenic-differentiation-of-vascular-smooth-muscle-cells-in%C3%A2-vitro-preventive-role-of-vitamin-d
#20
María Silvina Molinuevo, Juan Manuel Fernández, Ana María Cortizo, Antonio Desmond McCarthy, León Schurman, Claudia Sedlinsky
Advanced glycation end products (AGE) have been demonstrated to induce the osteogenic trans-differentiation of vascular smooth muscle cells (VSMC). Strontium ranelate (SR) is an anti-osteoporotic agent that has both anti-catabolic and anabolic actions on bone tissue. However, in the last years SR has been associated with an increase of cardiovascular risk. We hypothesize that SR can increase the osteoblastic trans-differentiation of VSMC and the induction of extracellular calcifications, an effect that could be potentiated in the presence of AGE and inhibited by simultaneous administration of vitamin D...
April 26, 2017: Molecular and Cellular Endocrinology
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