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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
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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...
May 8, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28494015/long-non-coding-rna-lethe-regulates-hyperglycemia-induced-reactive-oxygen-species-production-in-macrophages
#8
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
#9
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
#10
Subramaniya Bharathi Raja, Vijayabharathi Rajendiran, Nirmal Kumar Kasinathan, Amrithalakshmi P, Sivaramakrishnan Venkabalasubramanian, 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-3 and cyclin D1 Although, Nuclear translocation of NFkB was increased in 40 μM Quercetin treated HT29 and HCT15 cells, Over expression of cox-2 was observed in Quercetin treated for HT29 cells, whereas, Quercetin treated for HCT15 cells did not expressed cox-2 due to lack of cox-2 gene...
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
#11
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
#12
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
#13
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
https://www.readbyqxmd.com/read/28449155/mitochondrial-dysfunction-in-diabetic-cardiomyopathy-effect-of-mesenchymal-stem-cell-with-ppar-%C3%AE-agonist-or-exendin-4
#14
Mohamed Abd Elaziz Wassef, Ola M Tork, Laila A Rashed, Walaa Ibrahim, Heba Morsi, Dina Mohamed Mekawy Rabie
Therapy targeting mitochondria may provide novel ways to treat diabetes and its complications. Bone marrow-derived mesenchymal stem cells (MSCs), the peroxisome proliferator-activated receptor gamma (PPAR-γ) agonists and exendin-4; an analog of glucagon-like peptide-1 have shown cardioprotective properties in many cardiac injury models. So, we evaluated their effects in diabetic cardiomyopathy (DCM) in relation to mitochondrial dysfunction. This work included seven groups of adult male albino rats: the control group, the non-treated diabetic group, and the treated diabetic groups: one group was treated with MSCs only, the second with pioglitazone only, the third with MSCs and pioglitazone, the forth with exendin-4 only and the fifth with MSCs and exendin-4...
April 27, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28443460/augmented-expression-of-runx1-deregulates-the-global-gene-expression-of-u87-glioblastoma-multiforme-cells-and-inhibits-tumor-growth-in-mice
#15
Yoel Bogoch, Gilgi Friedlander-Malik, Lior Lupu, Ekaterina Bondar, Nitzan Zohar, Sheila Langier, Zvi Ram, Ido Nachmany, Joseph M Klausner, Niv Pencovich
Glioblastoma multiforme is the most common and aggressive primary brain tumor in adults. A mesenchymal phenotype was associated with tumor aggressiveness and poor prognosis in glioblastoma multiforme patients. Recently, the transcription factor RUNX1 was suggested as a driver of the glioblastoma multiforme mesenchymal gene expression signature; however, its independent role in this process is yet to be described. Here, we assessed the role of RUNX1 in U87 glioblastoma multiforme cells in correspondence to its mediated transcriptome and genome-wide occupancy pattern...
April 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
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
#16
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/28436532/bis-phenylimidazoselenazolyl-diselenide-elicits-antinociceptive-effect-by-modulating-myeloperoxidase-activity-nox-and-nfkb-levels-in-the-collagen-induced-arthritis-mouse-model
#17
Pietro M Chagas, Bruna C W Fulco, Marcel H M Sari, Juliano A Roehrs, Cristina W Nogueira
Bis(phenylimidazoselenazolyl) diselenide (BPIS) is an organoselenium with acute antinociceptive and antioxidant properties. OBJECTIVES: The aim of this study was to investigate BPIS effect on a collagen-induced arthritis (CIA) model in mice. METHODS: Protocol of exposure consisted in arthritis induction by chicken collagen type II on day 0 with booster injection on day 21. On day 60 after collagen injection, incidence of mechanic allodynia (Von Frey test) or thermal hyperalgesia (hot plate test) was evaluated...
April 24, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28427184/kpnb1-mediated-nuclear-import-is-required-for-motility-and-inflammatory-transcription-factor-activity-in-cervical-cancer-cells
#18
Tamara Stelma, Virna D Leaner
Karyopherin β1 is a nuclear import protein involved in the transport of proteins containing a nuclear localisation sequence. Elevated Karyopherin β1 expression has been reported in cancer and transformed cells and is essential for cancer cell proliferation and survival. Transcription factors such as NFĸB and AP-1 contain a nuclear localisation sequence and initiate the expression of multiple factors associated with inflammation and cancer cell biology. Our study investigated the effect of inhibiting nuclear import via Karyopherin β1 on cancer cell motility and inflammatory signaling using siRNA and the novel small molecule, Inhibitor of Nuclear Import-43, INI-43...
May 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28418896/nfkb-is-essential-for-activin-induced-colorectal-cancer-migration-via-upregulation-of-pi3k-mdm2-pathway
#19
Arundhati Jana, Nancy L Krett, Grace Guzman, Ahmer Khalid, Ozkan Ozden, Jonas J Staudacher, Jessica Bauer, Seung Hyun Baik, Timothy Carroll, Cemal Yazici, Barbara Jung
Colorectal cancer (CRC) remains a common and deadly cancer due to metastatic disease. Activin and TGFB (TGFβ) signaling are growth suppressive pathways that exert non-canonical pro-metastatic effects late in CRC carcinogenesis. We have recently shown that activin downregulates p21 via ubiquitination and degradation associated with enhanced cellular migration independent of SMADs. To investigate the mechanism of metastatic activin signaling, we examined activated NFkB signaling and activin ligand expression in CRC patient samples and found a strong correlation...
March 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28418003/toll-like-receptor-polymorphisms-compromise-the-inflammatory-response-against-bacterial-antigen-translocation-in-cirrhosis
#20
Paula Piñero, Oriol Juanola, Esther Caparrós, Pedro Zapater, Paula Giménez, José M González-Navajas, José Such, Rubén Francés
Bacterial translocation is associated with clinically relevant complications in cirrhosis. We evaluated the effect of toll-like receptor polymorphisms in the soluble response against these episodes. Consecutive patients with cirrhosis and ascitic fluid were distributed by TLR2 rs4696480, TLR4 rs4986790, and TLR9 rs187084 single-nucleotide polymorphisms. Lipoteichoic acid, lipopolyssaccharide, bacterial-DNA, pro-inflammatory cytokines and nitric oxide levels were quantified in serum samples. In vitro response against specific ligands in variant TLR genotypes was evaluated...
April 18, 2017: Scientific Reports
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