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https://www.readbyqxmd.com/read/29243793/a-new-antioxidant-formulation-reduces-the-apoptotic-and-damaging-effect-of-cigarette-smoke-extract-on-human-bronchial-epithelial-cells
#1
L Vanella, G Li Volti, A Distefano, M Raffaele, V Zingales, R Avola, D Tibullo, I Barbagallo
OBJECTIVE: In this study we evaluated the possible protective effect of an antioxidant formulation containing microfiltered milk derived polypeptides, Curcumin, Vitamin B2, Carnitine and N-Acetyl-cysteine (NAC) in an in vitro model of chronic obstructive pulmonary disease (COPD). MATERIALS AND METHODS: Human bronchial epithelial cells (16HBE) were used in this study. Cells were treated for 24 h in the presence or absence of 10% of cigarette smoke extract (CSE) and in the presence or absence of antioxidant formulation...
December 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29242269/siadh-in-systemic-jia-resolving-after-treatment-with-an-il-6-inhibitor
#2
Juanita K Hodax, Shara R Bialo, Ali Yalcindag
Interleukin-6 (IL-6) is implicated in the pathogenesis of both systemic juvenile idiopathic arthritis (SJIA) and syndrome of inappropriate secretion of antidiuretic hormone (SIADH), but the 2 have not been previously described as occurring together. We report a case of a 6-year-old girl with symptoms of arthralgia, daily fevers, evanescent rash, lymphadenopathy, and laboratory evaluation showing elevated inflammatory markers, consistent with SJIA. At presentation, the patient had hyponatremia with a sodium level of 128 mEq/L...
December 14, 2017: Pediatrics
https://www.readbyqxmd.com/read/29241952/downregulation-of-common-cytokine-receptor-%C3%AE-chain-inhibits-inflammatory-responses-in-macrophages-stimulated-with-riemerella-anatipestifer
#3
Fahmida Afrin, Cherry P Fernandez, Rochelle A Flores, Woo H Kim, Jipseol Jeong, Hong H Chang, Suk Kim, Hyun S Lillehoj, Wongi Min
Th17-cell-mediated inflammation is affected by the soluble form of common cytokine receptor γ chain (γc). We previously suggested that inflammatory cytokines including interleukin (IL)-17A are associated with Riemerella anatipestifer infection, which a harmful bacterial pathogen in ducks. Here, the expression profiles of membrane-associated γc (duγc-a) and soluble γc (duγc-b) in R. anatipestifer-stimulated splenic lymphocytes and macrophages, and in the spleens and livers of R. anatipestifer-infected ducks, were investigated...
December 11, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/29241687/mechanisms-of-carrier-formation-during-clathrin-independent-endocytosis
#4
REVIEW
Antonio P A Ferreira, Emmanuel Boucrot
Clathrin-independent endocytosis (CIE) mediates the cellular uptake of many extracellular ligands, receptors, and pathogens, including several life-threatening bacterial toxins and viruses. So far, our understanding of CIE carrier formation has lagged behind that of clathrin-coated vesicles. Impediments have been the imprecise definition of some CIE pathways, the lack of specific cargoes being transported and of exclusive cytosolic markers and regulators. Notwithstanding these limitations, three distinct molecular mechanisms by which CIE carriers form can be defined...
December 11, 2017: Trends in Cell Biology
https://www.readbyqxmd.com/read/29240923/neutrophil-activation-signature-in-juvenile-idiopathic-arthritis-indicates-the-presence-of-low-density-granulocytes
#5
Kavitha Ramanathan, Anna Glaser, Hanna Lythgoe, Joanne Ong, Michael W Beresford, Angela Midgley, Helen L Wright
Objective: JIA is an autoimmune, inflammatory disease with involvement of innate and adaptive immune responses. However, the role of neutrophils in JIA pathogenesis remains unclear. This study aimed to identify and validate neutrophil gene expression signatures in JIA using public microarray datasets and new clinical samples. Methods: Three suitable datasets were analysed by significance analysis of microarray and Ingenuity. Neutrophils and peripheral blood mononuclear cells (PBMCs) were isolated from a new cohort of JIA patients and healthy paediatric controls (HCs)...
December 12, 2017: Rheumatology
https://www.readbyqxmd.com/read/29239690/antibody-drug-conjugates-design-and-development-for-therapy-and-imaging-in-and-beyond-cancer-labex-mabimprove-industrial-workshop-july-27-28-2017-tours-france
#6
Camille Martin, Claire Kizlik-Masson, André Pèlegrin, Hervé Watier, Marie-Claude Viaud-Massuard, Nicolas Joubert
The annual "Antibody Industrial Symposium", co organized by LabEx MAbImprove, MabDesign and Polepharma, was held in Tours, France on June 27-28, 2017. The focus was on antibody-drug-conjugates (ADCs), new entities which realize the hope of Paul Ehrlich's magic bullet. ADCs result from the bioconjugation of a highly cytotoxic drug to a selective monoclonal antibody, which acts as a vector. Building on knowledge gained during the development of three approved ADCs, brentuximab vedotin (Adcetris®), ado trastuzumab emtansine (Kadcyla®) and inotuzumab ozogamicin (Besponsa®), and the many ADCs in development, this meeting addressed strategies and the latest innovations in the field from fundamental research to manufacturing...
December 14, 2017: MAbs
https://www.readbyqxmd.com/read/29239279/radiosensitization-by-cpg-odn7909-in-an-epidermoid-laryngeal-carcinoma-hep-2-cell-line
#7
Shu Wang, Xiaoqun Liu, Tiankui Qiao, Qi Zhang
Objective To evaluate the radiosensitivity effect of CpG oligodeoxyribonucleotide (ODN) 7909 on human epidermoid cancer strain-2 (Hep-2) cells in vitro and discuss the potential for improved radiotherapy treatment in patients with laryngeal squamous cell carcinoma. Methods Toll-like receptor ( TLR) 9 expression was assessed in Hep-2 cells using Western blots and reverse transcription polymerase chain reaction. Cell Counting Kit-8 was used to detect Hep-2 cell viability at 24 and 48 h following treatment with different CpG ODN7909 concentrations...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/29238954/il-25-is-involved-in-ctcl-progression-by-establishing-th2-dominant-microenvironment
#8
R Nakajima, T Miyagaki, T Oka, N Takahashi, M Hirakawa, H Suga, A Yoshizaki, H Fujita, Y Asano, M Sugaya, S Sato
BACKGROUND: Interleukin (IL)-25 is a member of the IL-17 family which can promote and augment T-helper type (Th) 2 responses. The expression of IL-25 and its cognate receptor, IL-25 receptor (IL-25R), is upregulated and correlated with disease activity in Th2-associated diseases. OBJECTIVE: To examine the expression and function of IL-25 in cutaneous T-cell lymphoma (CTCL). METHODS: Expression and localization of IL-25 in lesional skin was investigated using immunohistochemistry...
December 13, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/29238761/dupilumab-human-monoclonal-antibody-against-il-4r%C3%AE-for-moderate-to-severe-atopic-dermatitis
#9
D M Paton
Atopic dermatitis (AD) is one of the most common skin disorders with a prevalence of about 20% in children and affecting adults in significant numbers. Moderate to severe AD significantly impairs a patient's quality of life with severe pruritus as a major issue that impairs sleep and contributes to major psychological disturbances. Detailed studies of its pathogenesis have revealed that immune mechanisms are involved including activation of T helper type 2 cells (Th2). Dupilumab is a fully human Ig4 monoclonal antibody directed against the interleukin-4 receptor subunit α (IL-4Rα) of IL-4 and IL-13 receptors...
September 2017: Drugs of Today
https://www.readbyqxmd.com/read/29237572/the-role-of-adipor1-and-adipor2-in-liver-fibrosis
#10
Badr Alzahrani, Tristan Iseli, Mehdi Ramezani-Moghadam, Vikki Ho, Miriam Wankell, Eun Jin Sun, Liang Qiao, Jacob George, Lionel W Hebbard
Activation of the adiponectin (APN) signaling axis retards liver fibrosis. However, understanding of the role of AdipoR1 and AdipoR2 in mediating this response is still rudimentary. Here, we sought to elucidate the APN receptor responsible for limiting liver fibrosis by employing AdipoR1 and AdipoR2 knock-out mice in the carbon tetrachloride (CCl4) model of liver fibrosis. In addition, we knocked down receptor function in primary hepatic stellate cells (HSCs) in vitro. Following the development of fibrosis, AdipoR1 and AdipoR2 KO mice had no quantitative difference in fibrosis by Sirius red staining...
December 10, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29236160/ethanol-and-cytokines-in-the-central-nervous-system
#11
Marisa Roberto, Reesha R Patel, Michal Bajo
The innate immune system plays a critical role in the ethanol-induced neuroimmune response in the brain. Ethanol initiates the innate immune response via activation of the innate immune receptors Toll-like receptors (TLRs, e.g., TLR4, TLR3, TLR7) and NOD-like receptors (inflammasome NLRs) leading to a release of a plethora of chemokines and cytokines and development of the innate immune response. Cytokines and chemokines can have pro- or anti-inflammatory properties through which they regulate the immune response...
December 14, 2017: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/29235095/immune-cells-regulate-vegf-signaling-via-release-of-vegf-and-antagonistic-soluble-vegf-receptor-1
#12
Timm Hoeres, Martin Wilhelm, Manfred Smetak, Elisabeth Holzmann, Gundula Schulze-Tanzil, Josef Birkmann
Vascular endothelial growth factor (VEGF) is an important regulator of physiological and pathological angiogenesis. Beside malignant and stromal cells, local immune cells shape VEGF signaling in the tumor microenvironment. Aminobisphosphonates like zoledronic acid (Zol) are drugs known to inhibit osteoclast activity and bone resorption, but also have immunomodulatory and anti-tumor effects. These properties have previously been linked to the downregulation of VEGF and interference with tumor neo-angiogenesis...
December 13, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/29234980/low-dose-interleukin-2-as-a-modulator-of-treg-homeostasis-after-hsct-current-understanding-and-future-perspectives
#13
REVIEW
Ken-Ichi Matsuoka
CD4+CD25+Foxp3+ Treg is a functionally distinct subset of mature T cells with broad suppressive activity and has been shown to play an important role in the establishment of immune tolerance after HSCT. Altered cytokine environment in post-HSCT lymphopenia with a relative functional deficiency of IL-2 could hamper the reconstitution of Treg, leading to refractory GVHD. Based on the theory of low-dose IL-2 in which Treg can be selectively stimulated through the high-affinity IL-2 receptor, clinical studies have been conducted and demonstrated that low-dose IL-2 administration can restore Treg homeostasis and promote the expansion of this subset on the polymorphic processes of Treg reconstitution after HSCT...
December 12, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/29234642/ureaplasma-species-differentially-modulate-pro-and-anti-inflammatory-cytokine-responses-in-newborn-and-adult-human-monocytes-pushing-the-state-toward-pro-inflammation
#14
Kirsten Glaser, Christine Silwedel, Markus Fehrholz, Ana M Waaga-Gasser, Birgit Henrich, Heike Claus, Christian P Speer
Background:Ureaplasma species have been associated with chorioamnionitis and preterm birth and have been implicated in the pathogenesis of neonatal short and long-term morbidity. However, being mostly commensal bacteria, controversy remains on the pro-inflammatory capacity of Ureaplasma. Discussions are ongoing on the incidence and impact of prenatal, perinatal, and postnatal infection. The present study addressed the impact of Ureaplasma isolates on monocyte-driven inflammation. Methods: Cord blood monocytes of term neonates and adult monocytes, either native or LPS-primed, were cultured with Ureaplasma urealyticum (U...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/29233790/preclinical-evidence-for-combined-use-of-aromatase-inhibitors-and-nsaids-as-preventive-agents-of-tobacco-induced-lung-cancer
#15
Laura P Stabile, Mariya Farooqui, Beatriz Kanterewicz, Shira Abberbock, Brenda F Kurland, Brenda Diergaarde, Jill M Siegfried
INTRODUCTION: A hormonal role in non-small cell lung cancer (NSCLC) development is well documented. We previously showed that the aromatase inhibitor (AI) anastrozole decreased the development of tobacco carcinogen-induced lung tumors in a murine lung cancer prevention model and that aromatase and estrogen receptor (ER) were expressed in pulmonary inflammatory cells. METHODS: We utilized a tobacco carcinogen-induced lung tumor mouse model [4-(methylnitrosoamino)-1-(3-pyridyl)-1-butanone (NNK)] to determine whether an AI combined with non-steroidal anti-inflammatory drugs (NSAIDs) results in greater lung tumor prevention effects than single agent treatment...
December 9, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/29233615/diet-quality-inflammation-and-quality-of-life-in-breast-cancer-survivors-a-cross-sectional-analysis-of-pilot-study-data
#16
Tonya S Orchard, Rebecca R Andridge, Lisa D Yee, Maryam B Lustberg
BACKGROUND: Modifiable lifestyle factors, such as diet quality, could reduce inflammation and improve quality of life (QOL) in breast cancer survivors, but data are inconclusive. OBJECTIVE: To determine whether diet quality, as measured by Healthy Eating Index-2010 (HEI-2010) score, is associated with inflammation, health status, or functional outcomes affecting QOL in survivors of early-stage breast cancer. DESIGN: This is a cross-sectional, secondary analysis of baseline data collected from breast cancer survivors after completion of primary therapy and before random assignment to a pilot nutritional intervention aimed at reducing side effects of aromatase inhibitor treatment...
December 9, 2017: Journal of the Academy of Nutrition and Dietetics
https://www.readbyqxmd.com/read/29229781/differential-regulation-of-tlr4-induced-il-10-production-in-b-cells-and-macrophages-reveals-a-novel-role-for-rsk1-and-2-in-b-cells
#17
Ruhcha V Sutavani, Iain R Phair, Rebecca Barker, Alison McFarlane, Natalia Shpiro, Stuart Lang, Andrew Woodland, J Simon C Arthur
Increasing evidence has linked dysregulated IL-10 production by IL-10+ve B cells to autoimmunity, highlighting the importance of improving the understanding of the regulation of IL-10 production in these cells. In both B cells and myeloid cells, IL-10 can be produced in response to Toll-like receptor (TLR) agonists. In macrophages, previous studies have established that mitogen- and stress-activated protein kinases (MSKs) regulate IL-10 production via the phosphorylation of cAMP response element-binding (CREB) protein on the IL-10 promoter...
December 11, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29229533/xanthoceraside-attenuates-amyloid-%C3%AE-peptide1-42-induced-memory-impairments-by-reducing-neuroinflammatory-responses-in-mice
#18
Yue Qi, Xue-Fei Ji, Tian-Yan Chi, Peng Liu, Ge Jin, Qian Xu, Qing Jiao, Li-Hua Wang, Li-Bo Zou
Xanthoceraside, a novel triterpenoid saponin extracted from the husks of Xanthoceras sorbifolia Bunge, has neuroprotective effects in vivo and anti-inflammatory properties in vitro. However, the exact mechanism of xanthoceraside on anti-amyloid beta (Aβ)-induced neuroinflammatory responses has not been elucidated. Therefore, we used intracerebroventricular injection of amyloid 1-42 (Aβ1-42) to establish a mouse model to test the effects of xanthoceraside on Aβ-induced cognitive impairments and the TLR2/NF-κB and MAPK pathways...
December 8, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29229383/short-term-culture-with-il-2-is-beneficial-for-potent-memory-chimeric-antigen-receptor-t-cell-production
#19
Xuhua Zhang, Xiaodong Lv, Yongping Song
Interleukin-2 (IL-2) has been extensively used to boost the body's immune cells, especially T cells. IL-2 is a cytokine that for many years was used to activate and amplify T cells. Due to its potent T cell growth-inducing functions in vitro, for many years, IL-2 was used for the culture and expansion of various T cell products, including tumor-infiltrating lymphocytes (TIL), T cell receptors T cells (TCRT), or genetically engineered cells with chimeric antigen receptors T cells (CAR T). Despite its positive effect on T cell production, the side-effect is not well studied...
December 8, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29229353/novel-1-4-benzothazines-obliterate-cox-2-mediated-jak-2-stat-3-signals-with-potential-regulation-of-oxidative-and-metabolic-stress-during-colorectal-cancer
#20
Amit Rai, Umesh Kumar, Vinit Raj, Ashok K Singh, Pranesh Kumar, Amit K Keshari, Dinesh Kumar, Biswanath Maity, Arnab De, Amalesh Samanta, Sneha Nath, Anand Prakash, Sunil Babu Gosipatala, Gyan Chand, Sudipta Saha
1,4-benzothiazines have ameliorative effects through inhibition of COX-2 mediated STAT-3 pathways at G-protein couple receptor site. As per this scenario, we recently prepared and tested novel 1,4-benzothiazine derivatives against HT-29 human colon cancer cell line. Two compounds namely AR13 and AR15 showed higher inhibitions among all the synthesized compounds. In the present context, we conducted the in vivo antiproliferative action and identified the molecular mechanism associated to cytotoxic action of AR13 and AR15 in dimethylhydrazine (DMH) induced colorectal carcinoma (CRC) model...
December 8, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
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