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https://www.readbyqxmd.com/read/27933551/pentoxifylline-alleviates-early-brain-injury-after-experimental-subarachnoid-hemorrhage-in-rats-possibly-via-inhibiting-tlr-4-nf-%C3%AE%C2%BAb-signaling-pathway
#1
Da-Yong Xia, Hua-Sheng Zhang, Ling-Yun Wu, Xiang-Sheng Zhang, Meng-Liang Zhou, Chun-Hua Hang
Early brain injury (EBI) after subarachnoid hemorrhage (SAH) generally causes significant and lasting damage. Pentoxifylline (PTX), a nonselective phosphodiesterase inhibitor, has shown anti-inflammatory and neuroprotective properties in several brain injury models, but the role of PTX with respect to EBI following SAH remains uncertain. The purpose of this study was to investigate the effects of PTX on EBI after SAH in rats. Adult male Sprauge-Dawley rats were randomly assigned to the sham and SAH groups. PTX (30 or 60 mg/kg) or an equal volume of the administration vehicle (normal saline) was administrated at 30 min intervals following SAH...
December 8, 2016: Neurochemical Research
https://www.readbyqxmd.com/read/27933472/tumor-necrosis-factor-alpha-inhibitors-did-not-influence-postoperative-morbidity-after-elective-surgical-resections-in-crohn-s-disease
#2
Paulo Gustavo Kotze, Mansur Paulo Saab, Bárbara Saab, Lorete Maria da Silva Kotze, Marcia Olandoski, Lilian Vital Pinheiro, Carlos Augusto Real Martinez, Maria de Lourdes Setsuko Ayrizono, Daniela de Oliveira Magro, Claudio Saddy Rodrigues Coy
BACKGROUND: The real impact of anti-tumor necrosis alpha (TNF) therapy in postoperative complications after intestinal resections in Crohn's disease (CD) still needs to be determined. AIMS: To compare the postoperative complication rates after elective intestinal resections in CD patients, with or without previous exposure to anti-TNF therapy. METHODS: This was a retrospective and observational study, with elective intestinal resections for CD (emergency procedures were excluded)...
December 8, 2016: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/27933092/effects-of-purified-anthocyanin-supplementation-on-platelet-chemokines-in-hypocholesterolemic-individuals-a-randomized-controlled-trial
#3
Xiandan Zhang, Yanna Zhu, Fenglin Song, Yanling Yao, Fuli Ya, Dan Li, Wenhua Ling, Yan Yang
BACKGROUND: It is becoming increasingly evident that platelet chemokines are involved in distinct aspects of atherosclerosis. The aim of this study was to examine the effects of long-term supplementation with purified anthocyanins on platelet chemokines in hypercholesterolemic individuals and to identify correlations of decreased platelet chemokine levels with serum lipid and inflammatory marker levels. METHODS: A total of 146 hypercholesterolemic individuals were recruited and treated with 320 mg of purified anthocyanins (n = 73) or a placebo (n = 73) daily for 24 weeks in this randomized, double-blind, placebo-controlled trial...
2016: Nutrition & Metabolism
https://www.readbyqxmd.com/read/27932980/tnf-%C3%AE-induced-cpla2-expression-via-nadph-oxidase-reactive-oxygen-species-dependent-nf-%C3%AE%C2%BAb-cascade-on-human-pulmonary-alveolar-epithelial-cells
#4
Chih-Chung Lin, Wei-Ning Lin, Rou-Ling Cho, Chen-Yu Wang, Li-Der Hsiao, Chuen-Mao Yang
Tumor necrosis factor-α (TNF-α) triggers activation of cytosolic phospholipase A2 (cPLA2) and then enhancing the synthesis of prostaglandin (PG) in inflammatory diseases. However, the detailed mechanisms of TNF-α induced cPLA2 expression were not fully defined in human pulmonary alveolar epithelial cells (HPAEpiCs). We found that TNF-α-stimulated increases in cPLA2 mRNA (5.2 folds) and protein (3.9 folds) expression, promoter activity (4.3 folds), and PGE2 secretion (4.7 folds) in HPAEpiCs, determined by Western blot, real-time PCR, promoter activity assay and PGE2 ELISA kit...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27931158/drug-survival-on-tumour-necrosis-factor-inhibitors-in-patients-with-rheumatoid-arthritis-in-finland
#5
K J Aaltonen, J T Joensuu, L Pirilä, M Kauppi, T Uutela, T Varjolahti-Lehtinen, T Yli-Kerttula, P Isomäki, D Nordström, T Sokka
OBJECTIVE: A systematic review found that an average of 27% of rheumatoid arthritis (RA) patients using tumour necrosis factor (TNF) inhibitors discontinue their treatment within 1 year. The aim of this study was to assess drug survival on TNF inhibitors among patients with RA. METHODS: Patients were identified from the National Register for Biologic Treatment in Finland (ROB-FIN), which is a longitudinal cohort study established to monitor the effectiveness and safety of biologic drugs in rheumatic diseases...
December 8, 2016: Scandinavian Journal of Rheumatology
https://www.readbyqxmd.com/read/27930985/c1q-tnf-related-protein-3-exerts-the-chondroprotective-effects-in-il-1%C3%AE-treated-sw1353-cells-by-regulating-the-fgfr1-signaling
#6
Yuanxia Huang, Guang Wan, Jingang Tao
Cartilage degeneration is known as a major cause of osteoarthritis (OA). C1q/TNF-related protein-3 (CTRP3) is an adipokine relative to chondrogenesis in vitro. However, its effect on cartilage degeneration in OA remains unclearly. In the present study, SW1353 cells were treated with IL-1β to imitate the microenvironment of OA for vitro research. Then, an obvious down-regulation of CTRP3 were validated in IL-1β-treated SW1353 cells. In addition, CTRP3 overexpression significantly attenuated the decrease in cell proliferation and increase in cell apoptosis triggered by IL-1β...
December 5, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27930969/rhapontin-ameliorates-colonic-epithelial-dysfunction-in-experimental-colitis-through-sirt1-signaling
#7
Wencheng Wei, Lei Wang, Kai Zhou, Haifeng Xie, Mian Zhang, Chaofeng Zhang
Rhapontin (3, 3', 5-trihydroxy-4'-methoxystilbene-3-O-glucoside) has anti-thrombotic, anti-allergic and anti-diabetic activities. This study aimed to assess the protective effects of rhapontin on intestinal damage in vivo and in vitro. In a dextran sodium sulfate (DSS)-induced mouse model, oral administration of rhapontin (100mg/kg) significantly attenuated colonic pathological damage and remarkably inhibited infiltration by inflammatory cells, myeloperoxidase (MPO) activity, NLRP3 inflammasome activation and SIRT1 expression in the colon...
December 5, 2016: International Immunopharmacology
https://www.readbyqxmd.com/read/27928219/salidroside-protects-lipopolysaccharide-induced-acute-lung-injury-in-mice
#8
Rufeng Lu, Yueguo Wu, Honggang Guo, Xiaomin Huang
Salidroside (SDS) has been reported to have anti-inflammatory properties. The objective of this study was to investigate the protective effect of SDS on lipopolysaccharide (LPS)-induced acute lung injury (ALI) in mice. BALB/c mice were pretreated with SDS 1 hour before intranasal instillation of LPS. Seven hours after LPS administration, the myeloperoxidase in histology of lungs, lung wet/dry ratio, and inflammatory cells in the bronchoalveolar lavage fluid (BALF) were determined. The levels of pro-inflammatory cytokines, tumor necrosis factor α (TNF-α), interleukin-1β (IL 1β), and IL-6 in the BALF were measured by enzyme-linked immunosorbent assay...
October 2016: Dose-response: a Publication of International Hormesis Society
https://www.readbyqxmd.com/read/27927986/lps-stimulated-inos-induction-is-increased-by-glucosamine-under-normal-glucose-conditions-but-is-inhibited-by-glucosamine-under-high-glucose-conditions-in-macrophage-cells
#9
Ji-Sun Hwang, Mi-Youn Kwon, Kyung-Hong Kim, Yunkyoung Lee, In Kyoon Lyoo, Jieun E Kim, Eok-Soo Oh, Inn-Oc Han
We investigated the regulatory effect of glucosamine (GlcN) for the production of nitric oxide (NO) and expression of inducible NO synthase (iNOS) under various glucose conditions in macrophage cells. At normal glucose concentrations, GlcN dose-dependently increased LPS-stimulated production of NO/iNOS. However, GlcN suppressed NO/iNOS production under high glucose culture conditions. Moreover, GlcN suppressed LPS-induced upregulation of COX-2, IL-6 and TNF-α mRNAs under 25 mM glucose conditions yet did not inhibit upregulation under 5 mM glucose conditions...
December 7, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27927063/inflammation-and-beyond-new-directions-and-emerging-drugs-for-treating-atherosclerosis
#10
Marie-Jeanne Bertrand, Jean-Claude Tardif
Cardiovascular (CV) atherosclerotic disease remains the leading cause of morbidity and mortality worldwide, despite the advances in contemporary therapies. Inflammation is an important process in atherosclerosis, leading to plaque rupture and acute coronary syndrome. Although statin therapy has substantially reduced CV events in primary and secondary prevention, many treated patients will have recurrent adverse CV events despite the standard of care. Thus, drug development aiming to target inflammatory pathways seems a promising avenue for novel therapies in atherosclerosis...
December 7, 2016: Expert Opinion on Emerging Drugs
https://www.readbyqxmd.com/read/27926504/the-immunomodulatory-effects-of-tnf-%C3%AE-inhibitors-on-human-th17-cells-via-ror%C3%AE-t-histone-acetylation
#11
Yi-Ching Lin, Yu-Chih Lin, Cheng-Chin Wu, Ming-Yii Huang, Wen-Chan Tsai, Chih-Hsing Hung, Po-Lin Kuo
The presence of interleukin (IL)-17-related cytokines correlates with rheumatoid arthritis (RA) pathogenesis. Epigenetic modifications, including histone acetylation, regulate gene expression in RA pathogenesis. Tumour necrosis factor-alpha (TNF-α) inhibitors such as etanercept and adalimumab, represent a breakthrough in RA treatment. We aimed to investigate the effects of etanercept and adalimumab on human Th17-polarized cells and the possible intracellular regulators of these effects, including the Th17-specific transcription factors signal transducer, activator of transcription 3 (STAT3), retinoid-related orphan receptor γ-T (RORγt) and epigenetic modification...
December 3, 2016: Oncotarget
https://www.readbyqxmd.com/read/27925186/up-regulation-of-transient-receptor-potential-melastatin-6-channel-expression-by-tumor-necrosis-factor-%C3%AE-in-the-presence-of-epidermal-growth-factor-receptor-tyrosine-kinase-inhibitor
#12
Chisa Furukawa, Naoko Fujii, Aya Manabe, Toshiyuki Matsunaga, Satoshi Endo, Hajime Hasegawa, Yoshinori Ito, Masahiko Yamaguchi, Yasuhiro Yamazaki, Akira Ikari
Anti-epidermal growth factor receptor (EGFR) drugs such as erlotinib and gefitinib cause a side effect of hypomagnesemia, but chemotherapy to treat this has not yet been developed. The transient receptor potential melastatin 6 (TRPM6) channel is involved in the reabsorption of Mg(2+) in the renal tubule. We reported previously that the expression of TRPM6 is up-regulated by epidermal growth factor (EGF) in renal tubular epithelial NRK-52E and HEK293 cells. EGF-induced elevation of TRPM6 expression was inhibited by erlotinib, gefitinib, and lapatinib...
December 7, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27924924/pleiotropic-effects-of-acarbose-on-atherosclerosis-development-in-rabbits-are-mediated-via-upregulating-ampk-signals
#13
Kuei-Chuan Chan, Meng-Hsun Yu, Ming-Cheng Lin, Chien-Ning Huang, Dai-Jung Chung, Yi-Ju Lee, Cheng-Hsun Wu, Chau-Jong Wang
Acarbose, an α-glucosidase inhibitor, is reported to reduce the incidence of silent myocardial infarction and slow the progression of intima-media thickening in patients with glucose intolerance. Here we investigate other impacts of acarbose on atherosclerosis development and the underlying mechanisms of atherosclerosis initiation and progression in vivo and in vitro. Rabbits fed a high cholesterol diet (HCD) were treated with acarbose (2.5-5.0 mg kg(-1)). Immunohistochemistry was used to assess the expression of inducible nitric oxide synthase (iNOS), Ras, proliferating cell nuclear antigen (PCNA), IL-6, β-galactosidase, and p-AMPK in atherosclerotic lesions...
December 7, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27924359/effects-of-4-methylumbelliferone-and-high-molecular-weight-hyaluronic-acid-on-the-inflammation-of-corneal-stromal-cells-induced-by-lps
#14
Fang Li, Peng Hao, Guangjie Liu, Weiyi Wang, Ruifang Han, Zhixin Jiang, Xuan Li
PURPOSE: To investigate the effects of hyaluronic acid (HA) on the inflammation of corneal fibroblasts induced by lipopolysaccharide (LPS). METHODS: Primary rabbit corneal keratocytes were isolated with collagenase. The keratocytes were cultured in a serum-containing medium to induce corneal fibroblasts, which represented the wound repair phenotype of corneal keratocytes. Corneal fibroblasts were treated with LPS with or without 4-methylumbelliferone (4-MU) / high molecular weight hyaluronic acid (HMWHA)...
December 6, 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/27924272/in-silico-studies-for-the-interaction-of-tumor-necrosis-factor-alpha-tnf-%C3%AE-with-different-saponins-from-vietnamese-ginseng-panax-vietnamesis
#15
Oanh T P Kim, Manh D Le, Hoang X Trinh, Hai V Nong
Tumor necrosis factor-alpha (TNF-α) is a cytokine that plays an important role in inflammatory process and tumor development. Recent studies demonstrate that triterpene saponins from Vietnamese ginseng are efficient inhibitors of TNF-α. But the interactions between TNF-α and the saponins are still unclear. In this study, molecular docking and molecular dynamics simulations of TNF-α with three different triterpene saponins (majonoside R2, vina-ginsenoside R1 and vina-ginsenoside R2) were performed to evaluate their binding ability...
2016: Biophysics and Physicobiology
https://www.readbyqxmd.com/read/27922672/2-methoxycinnamaldehyde-inhibits-the-tnf-%C3%AE-induced-proliferation-and-migration-of-human-aortic-smooth-muscle-cells
#16
Young-Hee Jin, Soo-A Kim
The abnormal proliferation and migration of vascular smooth muscle cells (VSMCs) is a crucial event in the development of atherosclerosis, and tumor necrosis factor-α (TNF-α) is actively involved in this process by enhancing the proliferation and migration of VSMCs. 2-Methoxycinnamaldehyde (MCA) is a natural compound of Cinnamomum cassia. Although 2-hydroxycinnamaldehyde (HCA), another compound from Cinnamomum cassia, has been widely studied with regard to its antitumor activity, MCA has not attracted researchers' interest due to its mild toxic effects on cancer cells and its mechanisms of action remain unknown...
December 6, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27922176/dipeptidyl-peptidase-4-inhibitor-sitagliptin-reduces-inflammation-fibrosis-and-preserves-diastolic-function-in-a-rat-model-of-heart-failure-with-preserved-ejection-fraction
#17
Grazia Esposito, Donato Cappetta, Rosa Russo, Alessia Rivellino, Loreta Pia Ciuffreda, Fiorentina Roviezzo, Elena Piegari, L Liberato Berrino, Francesco Rossi, Antonella De Angelis, Konrad Urbanek
BACKGROUND AND PURPOSE: Heart failure with preserved ejection fraction (HFpEF) is a systemic syndrome driven by co-morbidities and its pathophysiology is poorly understood. Several studies suggesting that dipeptidyl peptidase 4 (DPP4) might be involved in the pathophysiology of heart failure prompted experimental and clinical investigations of DPP4 inhibitors on cardiovascular system. The aim of our study was to determine whether DPP4 inhibitor sitagliptin (SITA) affects the progression of HFpEF independently from the effects on glycaemia...
December 6, 2016: British Journal of Pharmacology
https://www.readbyqxmd.com/read/27922065/detc-based-bacterial-cellulose-bio-curatives-for-topical-treatment-of-cutaneous-leishmaniasis
#18
Fabiana S Celes, Eliane Trovatti, Ricardo Khouri, Johan Van Weyenbergh, Sidney J L Ribeiro, Valeria M Borges, Hernane S Barud, Camila I de Oliveira
The treatment of leishmaniasis still relies on drugs with potentially serious adverse effects. Herein, we tested a topical formulation of bacterial cellulose (BC) membranes containing Diethyldithiocarbamate (DETC), a superoxide dismutase 1 inhibitor. Leishmania-infected macrophages exposed to BC-DETC resulted in parasite killing, without pronounced toxic effects to host cells. This outcome was associated with lower SOD1 activity and higher production of superoxide and cytokine mediators. Topical application of BC-DETC significantly decreased lesion size, parasite load and the inflammatory response at the infection site, as well as the production of both IFN-γ and TNF...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27920472/anti-inflammatory-effect-of-cannabinoid-agonist-win55-212-on-mouse-experimental-colitis-is-related-to-inhibition-of-p38mapk
#19
Ya-Jing Feng, Yong-Yu Li, Xu-Hong Lin, Kun Li, Ming-Hua Cao
AIM: To investigate the anti-inflammatory effect and the possible mechanisms of an agonist of cannabinoid (CB) receptors, WIN55-212-2 (WIN55), in mice with experimental colitis, so as to supply experimental evidence for its clinical use in future. METHODS: We established the colitis model in C57BL/6 mice by replacing the animals' water supply with 4% dextran sulfate sodium (DSS) for 7 consecutive days. A colitis scoring system was used to evaluate the severity of colon local lesion...
November 21, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27919366/ldl-apheresis-activates-the-complement-system-and-the-cytokine-network-whereas-pcsk9-inhibition-with-evolocumab-induces-no-inflammatory-response
#20
Knut Tore Lappegård, Terje Enebakk, Hilde Thunhaug, Judith Krey Ludviksen, Tom Eirik Mollnes, Anders Hovland
BACKGROUND: Low-density lipoprotein (LDL) apheresis is an extracorporeal treatment modality used in high-risk coronary patients. It may, however, induce complement activation and downstream inflammation due to bio-incompatibility. OBJECTIVE: We explored changes in soluble inflammatory markers when changing from LDL apheresis to the novel PCSK9 inhibitor evolocumab. METHODS: Three patients with familial hypercholesterolemia participated. Blood samples (EDTA plasma) for complement activation and markers of inflammation were obtained before (baseline) and after LDL apheresis week at 0 and before biweekly administration of evolocumab at weeks 1, 3, 5, and 7...
November 2016: Journal of Clinical Lipidology
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