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anti tumor necrosis factor

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https://www.readbyqxmd.com/read/28214973/a-multifunctional-alanine-rich-anti-inflammatory-peptide-bcp61-showed-potent-inhibitory-effects-by-inhibiting-both-nf-%C3%AE%C2%BAb-and-mapk-expression
#1
Yun Hee Choi, Yoon Seok Choi, Young Kyun Kim, Md Saifur Rahman, G C Pradeep, Jin Cheol Yoo, Joo-Won Suh
The purified BCP61 was reported to be a unique low-molecular-weight (MW) anti-microbial peptide because of its non-identical alanine-rich N-terminal sequence. In this study, we investigated the anti-inflammatory effects of BCP61 on induction of inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), pro-inflammatory cytokines, nuclear factor-kappa B (NF-κB), and mitogen-activated protein kinases (MAPKs) in lipopolysaccharide (LPS)-stimulated Raw 264.7 cells. The treatment with BCP61, with varying concentrations of 10, 50, and 100 μg/mL, inhibited levels of expression of LPS-induced NF-κB and MAPKs (extracellular signal-related kinases (ERKs), c-Jun NH2-terminal kinase (JNK), and mitogen-activated protein (p38)) as well as production of pro-inflammatory mediators, such as nitric oxide (NO), prostaglandin E2 (PGE2), tumor necrosis factor-α (TNF-α), and interleukin-6 (IL-6)...
February 18, 2017: Inflammation
https://www.readbyqxmd.com/read/28214886/adenovirus-vector-harboring-the-hbcag-and-tripeptidyl-peptidase-ii-genes-induces-potent-cellular-immune-responses-in-vivo
#2
Quanhui Tan, Siyuan Ma, Jianjun Hu, Xiaohua Chen, Yongsheng Yu, Zhenghao Tang, Guoqin Zang
BACKGROUND: Chronic hepatitis B virus (HBV) infection is associated with a weak but specific cellular immune response of the host to HBV. Tripeptidyl peptidaseⅡ (TPPⅡ), an intracellular macromolecule and proteolytic enzyme, plays an important complementary and compensatory role for the proteasome during viral protein degradation and major histocompatibility complex class I antigen presentation by inducing a specific cellular immune response in vivo. Based on a previous study, we aimed to explore the role of MHC class I antigen presentation in vivo and the mechanisms that may be involved...
January 27, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28213269/protective-effects-of-morin-on-lipopolysaccharide-d-galactosamine-induced-acute-liver-injury-by-inhibiting-tlr4-nf-%C3%AE%C2%BAb-and-activating-nrf2-ho-1-signaling-pathways
#3
Ye Tian, Zheng Li, Bingyu Shen, Qiaoling Zhang, Haihua Feng
Morin, a bioactive flavonoid extracted from the bark of Moraceae plants and many medicinal herbs, has anti-inflammatory and antioxidative effects. In this research, we explored the protective effects of morin against lipopolysaccharide (LPS) and d-galactosamine (D-GalN) induced acute liver injury in mice. Mice were given an intraperitoneal injection of morin before LPS and D-GalN treatment and the HepG2 cells were only given morin to investigate its effects. The results showed that morin markedly inhibited the production of serum alanine transaminase (ALT), aspartate aminotransferase (AST), interleukin-6 (IL-6), tumor necrosis factor (TNF-α) and hepatic TNF-α, IL-6, and myeloperoxidase (MPO) induced by LPS/D-GalN...
February 14, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28213267/ferulic-acid-inhibits-neuro-inflammation-in-mice-exposed-to-chronic-unpredictable-mild-stress
#4
Ya-Min Liu, Ji-Duo Shen, Li-Ping Xu, Han-Bing Li, Yu-Cheng Li, Li-Tao Yi
Ferulic acid is a hydroxycinnamic acid that widely presents in plant cell wall components. It has been demonstrated that ferulic acid can attenuate depressive-like behaviors in both forced swimming test and tail suspension test. Considering that depression is an inflammatory related mental disease, our present study was aimed to investigate the role of ferulic acid in the regulation of microglia activation, pro-inflammatory cytokines, nuclear factor kappa B (NF-κB) and nucleotide binding and oligomerization domain-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome in mice exposed to chronic unpredictable mild stress (CUMS)...
February 14, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28212826/pharmacological-postconditioning-with-sevoflurane-activates-pi3k-akt-signaling-and-attenuates-cardiopulmonary-bypass-induced-lung-injury-in-dog
#5
Yu Zhang, Dongdong Li, Junli Luo, Song Chen, Xuejiao Dou, Ming Han, Hong Zhang
AIMS: Sevoflurane, a widely used inhaled anesthetic, showed valid protective effect against ischemia reperfusion injury in lung, however, the underlying molecular mechanisms has yet to be explained. MATERIALS AND METHODS: Dogs were divided into four groups: control group, cardiopulmonary bypass (CPB) group, sevoflurane postconditioning group and wortmannin group. Arterial blood was obtained from each group to test the respiratory index and oxygenation index and pulmonary tissues were sampled for apoptotic TUNEL stain...
February 14, 2017: Life Sciences
https://www.readbyqxmd.com/read/28212276/preventive-effects-of-pentoxifylline-on-the-development-of-colonic-premalignant-lesions-in-obese-and-diabetic-mice
#6
Kazufumi Fukuta, Yohei Shirakami, Akinori Maruta, Koki Obara, Soichi Iritani, Nobuhiko Nakamura, Takahiro Kochi, Masaya Kubota, Hiroyasu Sakai, Takuji Tanaka, Masahito Shimizu
Obesity and its related metabolic abnormalities, including enhanced oxidative stress and chronic inflammation, are closely related to colorectal tumorigenesis. Pentoxifylline (PTX), a methylxanthine derivative, has been reported to suppress the production of tumor necrosis factor (TNF)-α and possess anti-inflammatory properties. The present study investigated the effects of PTX on the development of carcinogen-induced colorectal premalignant lesions in obese and diabetic mice. Male C57BL/KsJ-db/db mice, which are severely obese and diabetic, were administered weekly subcutaneous injections of the colonic carcinogen azoxymethane (15 mg/kg body weight) for four weeks and then received drinking water containing 125 or 500 ppm PTX for eight weeks...
February 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28211161/psoriasis-and-psoriasiform-eruptions-in-pediatric-patients-with-inflammatory-bowel-disease-treated-with-anti-tumor-necrosis-factor-alpha-agents
#7
Joshua B Eickstaedt, Luke Killpack, Jeanne Tung, Dawn Davis, Jennifer L Hand, Megha M Tollefson
BACKGROUND: Anti-tumor necrosis factor alpha (TNF-α) agents are used to treat a variety of autoimmune and inflammatory conditions, including psoriasis. Paradoxically, numerous reports have documented new-onset or exacerbation of psoriasis or psoriasiform skin lesions (PSO) in patients treated with these agents for conditions other than PSO-particularly in adults with inflammatory bowel disease (IBD). Not much is known regarding similar cases in children. METHODS: A retrospective chart review was performed on children younger than 19 years of age with IBD seen at the Mayo Clinic between 2003 and 2015 who developed new-onset or recurrent PSO while undergoing anti-TNF-α therapy...
February 17, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28210268/protective-effect-of-daikenchuto-on-dextran-sulfate-sodium-induced-colitis-in-mice
#8
Takaharu Matsunaga, Shinichi Hashimoto, Naoki Yamamoto, Ryo Kawasato, Tomohiro Shirasawa, Atsushi Goto, Koichi Fujisawa, Taro Takami, Takeshi Okamoto, Jun Nishikawa, Isao Sakaida
Aim. To investigate the effect of daikenchuto (TJ-100; DKT) for ulcerative colitis (UC) model mouse and assess its anti-inflammatory mechanisms. Methods. We evaluated the effects of DKT on dextran sulfate sodium- (DSS-) induced experimental colitis. First, we assessed the short-term effects of DKT using two groups: 5% DSS group and 5% DSS with DKT group. Colon length; histological scores; and interleukin- (IL-) 10, IL-1β, and tumor necrosis factor-α mRNA expression profiles were analyzed using real-time PCR...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28210077/clinical-impact-of-immunomonitoring-in-the-treatment-of-inflammatory-bowel-disease
#9
REVIEW
Donal Tighe, Deirdre McNamara
Despite improvement in outcomes, loss of response (LOR) to tumor necrosis factor-alpha (TNFα) therapies is a big concern in the management of inflammatory bowel disease. LOR is associated with flares of disease, increased hospitalisation rates, need for surgical interventions, and decline in quality of life. LOR may be multifactorial, but immunogenicity makes a significant contribution. Traditionally doses of anti-TNFα have been adjusted based on clinical response, using a standard approach. Immunomonitoring involves the measurement of anti-TNFα trough and antibody levels...
January 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28209739/myocardial-ischemic-tolerance-in-rats-subjected-to-endurance-exercise-training-during-adaptation-to-chronic-hypoxia
#10
Petra Alánová, Anna Chytilová, Jan Neckář, Jaroslav Hrdlička, Petra Míčová, Kristýna Holzerová, Markéta Hlaváčková, Kristýna Macháčková, František Papoušek, Jana Vašinová, Daniel Benák, Olga Nováková, František Kolář
Chronic hypoxia and exercise are natural stimuli that confer sustainable cardioprotection against ischemia/reperfusion (I/R) injury but it is unknown whether they can act in synergy to enhance ischemic resistance. Inflammatory response mediated by tumor necrosis factor-α (TNF-α) plays a role in the infarct size-limitation by continuous normobaric hypoxia (CNH) whereas exercise is associated with anti-inflammatory effects. This study was conducted to determine whether exercise training performed under conditions of CNH (12% O2) affects myocardial ischemic resistance with respect to inflammatory and redox status...
February 16, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28209562/vinexin-%C3%AE-ablation-inhibits-atherosclerosis-in-apolipoprotein-e-deficient-mice-by-inactivating-the-akt-nuclear-factor-%C3%AE%C2%BAb-inflammatory-axis
#11
Hongjing Guan, Wen-Lin Cheng, Junhong Guo, Meng-Lin Chao, Yan Zhang, Jun Gong, Xue-Yong Zhu, Zhi-Gang She, Zan Huang, Hongliang Li
BACKGROUND: Vinexin β is a novel adaptor protein that regulates cellular adhesion, cytoskeletal reorganization, signal transduction, and transcription; however, the exact role that vinexin β plays in atherosclerosis remains unknown. METHODS AND RESULTS: Immunoblot analysis showed that vinexin β expression is upregulated in the atherosclerotic lesions of both patients with coronary heart disease and hyperlipemic apolipoprotein E-deficient mice and is primarily localized in macrophages indicated by immunofluorescence staining...
February 16, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28209290/efficacy-safety-and-pharmacokinetics-of-biosimilars-of-anti-tumor-necrosis-factor-%C3%AE-agents-in-rheumatic-diseases-a-systematic-review-and-meta-analysis
#12
REVIEW
Yuga Komaki, Akihiro Yamada, Fukiko Komaki, Praneeth Kudaravalli, Dejan Micic, Akio Ido, Atsushi Sakuraba
OBJECTIVE: To evaluate the efficacy and safety of biosimilars of anti-tumor necrosis factor (TNF)-α agents compared to their reference agents in immune mediated diseases. METHODS: Electronic databases were searched for randomized controlled trials (RCTs) assessing the efficacy and safety of biosimilars of anti-TNF-α agents compared to their reference agents in patients with various immune mediated diseases. The outcomes were the rates of clinical response and adverse events among patients treated with biosimilars compared to their reference agents...
February 13, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28208071/anthocyanin-suppresses-cocrmo-particle-induced-osteolysis-by-inhibiting-ikk%C3%AE-%C3%AE-mediated-nf-%C3%AE%C2%BAb-signaling-in-a-mouse-calvarial-model
#13
Yamin Li, Juehong Li, Bin Li, Hui Qin, Xiaochun Peng, Yaochao Zhao, Yunsu Chen
Wear particle-induced osteolysis and bone resorption have been identified as critical factors of implant failure and total joint revision, in which nuclear factor kappa B (NF-κB) signaling and chronic inflammation have been shown to play key roles. Although anthocyanin is known to have anti-inflammatory function via blocking NF-κB pathway, it is still unclear whether anthocyanin has a protective effect on particle-induced osteolysis. In the present study, we aimed to investigate the detailed effects and the underlying mechanism of anthocyanin on CoCrMo particle-induced osteolysis in a mouse calvavial model...
February 13, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28207474/risk-of-colectomy-in-patients-with-pediatric-onset-ulcerative-colitis
#14
Firas Rinawi, Amit Assa, Rami Eliakim, Yael Mozer Glassberg, Vered Nachmias Friedler, Yaron Niv, Yoram Rosenbach, Ari Silbermintz, Noam Zevit, Raanan Shamir
OBJECTIVES: Data describing the incidence and risk factors for colectomy in pediatric ulcerative colitis (UC) is inconsistent. Our aim was to describe the colectomy rate and to identify risk factors associated with colectomy in a large cohort of children with UC with long term follow up. METHODS: We performed a retrospective chart review of pediatric UC cases that were diagnosed at Schneider Children's Medical Center of Israel between 1981 to 2013. Potential predictors for colectomy including age at diagnosis, gender, disease extent, severity indices and different therapeutic regimens during disease course were assessed...
February 15, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28206713/effect-of-heme-oxygenase-1-transduced-bone-marrow-mesenchymal-stem-cells-on-damaged-intestinal-epithelial-cells-in-vitro
#15
Yi Cao, Ben-Juan Wu, Wei-Ping Zheng, Ming-Li Yin, Tao Liu, Hong-Li Song
In this study we explored the effects of mesenchymal stem cells (MSCs) from bone marrow overexpressing heme oxygenase-1 (HO-1) on the damaged human intestinal epithelial barrier in vitro. Rat MSCs were isolated from bone marrow and transduced with rat HO-1 recombinant adenovirus (HO-MSCs) for stable expression of HO-1. Colorectal adenocarinoma 2 (Caco2) cells were treated with tumor necrosis factor-α (TNF-α) to establish a damaged colon epithelial model. Damaged Caco2 were cocultured with MSCs, Ad-MSCs, Ad-HO + MSCs or HO-MSCs mRNA and protein expression of Zona occludens-1 (ZO-1) and human HO-1, and the release of cytokines were measured...
February 16, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28205331/new-insights-to-the-mechanisms-underlying-atherosclerosis-in-rheumatoid-arthritis
#16
REVIEW
Mahdi Mahmoudi, Saeed Aslani, Reza Fadaei, Ahmad Reza Jamshidi
Rheumatoid arthritis (RA) is an inflammatory circumstance, which has been associated with increased risk of cardiovascular disease (CVD). Although RA management has been promoted, mortality rate due to CVD remains remarkable. Approximately, 50% of premature death cases in RA are attributable to CVD. RA patients develop atherosclerosis in a greater amount than the general population. Moreover, atherosclerotic lesions develop rapidly in RA patients and might be more susceptible to rupture. The inflammatory condition of RA, such as cytokines, abnormally activated immune cells, play a role in the initiation, perpetuation and exacerbation of atherosclerosis...
February 16, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28204866/vedolizumab-treatment-for-immune-checkpoint-inhibitor-induced-enterocolitis
#17
Viktoria Bergqvist, Erik Hertervig, Peter Gedeon, Marija Kopljar, Håkan Griph, Sara Kinhult, Ana Carneiro, Jan Marsal
Immune checkpoint inhibitors (ICPI), such as ipilimumab [anti-cytotoxic T-lymphocyte antigen-4 (CTLA-4) antibody] and nivolumab or pembrolizumab [anti-programmed cell death protein-1 (PD-1) antibodies], improve survival in several cancer types. Since inhibition of CTLA-4 or PD-1 leads to non-selective activation of the immune system, immune-related adverse events (irAEs) are frequent. Enterocolitis is a common irAE, currently managed with corticosteroids and, if necessary, anti-tumor necrosis factor-α therapy...
February 15, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28204830/monoclonal-antibody-against-toll-like-receptor%C3%A2-4-attenuates-ventilator-induced-lung-injury-in-rats-by-inhibiting-myd88-and-nf-%C3%AE%C2%BAb-dependent-signaling
#18
Cuiyuan Huang, Linghui Pan, Fei Lin, Huijun Dai, Ruili Fu
The mechanisms through which mechanical ventilation causes non-infectious inflammatory diseases and lung injury are poorly understood. Animals models of this type of injury suggest that it involves signaling mediated by Toll‑like receptor (TLR)4 and 9. In this study, in order to gain further insight into the involvement of TLR4 in this type of injury, we performed in vivo and in vitro experiments to determine the mechanisms through which TLR4 triggers inflammation. We also examined whether the use of TLR4 monoclonal antibody (mAb) can alleviate this type of injury...
February 1, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28199823/an-experimental-study-of-a-rat-model-of-emphysema-induced-by-cigarette-smoke-exposure-and-the-effect-of-survanta-therapy
#19
Assmaa O Selim, Zienab A Gouda, Sally A Selim
The present study was performed to test the therapeutic effects of Survanta (an exogenous surfactant) on Wistar rat models of emphysema. Thirty-five adult male Wistar rats were divided randomly into the following groups; control subgroups Ia&b (n=14); emphysematous model subgroups IIa,b&c (n=21) exposed to cigarette smoke (CS), received phosphate buffer solution (PBS) and Survanta respectively. The levels of serum myeloperoxidase (MPO), lung tissue lactate dehydrogenase (LDH), alkaline phosphatase (ALP) as well as antioxidants: catalase (CAT), superoxide dismutase (SOD) and oxidative stress: malondialdehyde (MDA) markers were measured...
February 12, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28199814/baricitinib-versus-placebo-or-adalimumab-in-rheumatoid-arthritis
#20
Peter C Taylor, Edward C Keystone, Désirée van der Heijde, Michael E Weinblatt, Liliana Del Carmen Morales, Jaime Reyes Gonzaga, Sergey Yakushin, Taeko Ishii, Kahaku Emoto, Scott Beattie, Vipin Arora, Carol Gaich, Terence Rooney, Douglas Schlichting, William L Macias, Stephanie de Bono, Yoshiya Tanaka
Background Baricitinib is an oral, reversible inhibitor of the Janus kinases JAK1 and JAK2 that may have therapeutic value in patients with rheumatoid arthritis. Methods We conducted a 52-week, phase 3, double-blind, placebo- and active-controlled trial in which 1307 patients with active rheumatoid arthritis who were receiving background therapy with methotrexate were randomly assigned to one of three regimens in a 3:3:2 ratio: placebo (switched to baricitinib after 24 weeks), 4 mg of baricitinib once daily, or 40 mg of adalimumab (an anti-tumor necrosis factor α monoclonal antibody) every other week...
16, 2017: New England Journal of Medicine
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