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https://www.readbyqxmd.com/read/29352846/the-janus-kinase-inhibitor-tofacitinib-inhibits-tnf-%C3%AE-induced-gliostatin-expression-in-rheumatoid-fibroblast-like-synoviocytes
#1
Yohei Kawaguchi, Yuko Waguri-Nagaya, Naoe Tatematsu, Yusuke Oguri, Masaaki Kobayashi, Masahiro Nozaki, Kiyofumi Asai, Mineyoshi Aoyama, Takanobu Otsuka
OBJECTIVES: Gliostatin (GLS) is known to have angiogenic and arthritogenic activity, and GLS expression levels in serum from patients with rheumatoid arthritis (RA) are significantly correlated with the disease activity. Tofacitinib is a novel oral Janus kinase (JAK) inhibitor and is effective in treating RA. However, the mechanism of action of tofacitinib in fibroblast-like synoviocytes (FLSs) has not been elucidated. The purpose of this study was to investigate the modulatory effects of tofacitinib on serum GLS levels in patients with RA and GLS production in FLSs derived from patients with RA...
January 15, 2018: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/29352842/amylin-in-the-insulin-resistance-of-patients-with-rheumatoid-arthritis
#2
Ivan Ferraz-Amaro, Raquel López-Mejias, Beatriz Tejera-Segura, Antonia M de Vera-González, Begoña Ubilla, Jose M Olmos, José Luis Hernández, Miguel Angel González-Gay
OBJECTIVES: Amylin, which is co-secreted with insulin, plays a role in glycemic regulation and is impaired in type 2 diabetes. In the present study we assess, for the first time, the implication of amylin in the development of insulin resistance (IR) in rheumatoid arthritis (RA). METHODS: This was a cross-sectional study involving 361 non-diabetic individuals, 151 patients with RA and 210 sex-matched controls. Insulin, C-peptide, amylin, lipoprotein serum concentrations, and IR indexes by homeostatic model assessment (HOMA2) were evaluated in patients and controls...
January 15, 2018: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/29352519/nafamostat-mesilate-attenuates-inflammation-and-apoptosis-and-promotes-locomotor-recovery-after-spinal-cord-injury
#3
Hui-Quan Duan, Qiu-Li Wu, Xue Yao, Bao-You Fan, Hong-Yu Shi, Chen-Xi Zhao, Yan Zhang, Bo Li, Chao Sun, Xiao-Hong Kong, Xin-Fu Zhou, Shi-Qing Feng
AIM: Spinal cord injury (SCI) leads to severe neural damage for which there is currently no effective treatment. Exploration of the neuroprotective effect among clinically approved drugs will speed up clinical translation of SCI. Nafamostat mesilate (NM) as a synthetic serine protease inhibitor has been used clinically in pancreatitis treatments. However, its effectiveness in SCI is unknown. The aim of this study was to confirm the efficacy of NM in ameliorating SCI. METHODS: Intraperitoneal administration of NM was performed on a contusion SCI model in Wistar rat...
January 19, 2018: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/29352387/current-perspectives-on-erythema-multiforme
#4
REVIEW
Marianne Lerch, Carlo Mainetti, Benedetta Terziroli Beretta-Piccoli, Thomas Harr
Recognition and timely adequate treatment of erythema multiforme remain a major challenge. In this review, current diagnostic guidelines, potential pitfalls, and modern/novel treatment options are summarized with the aim to help clinicians with diagnostic and therapeutic decision-making. The diagnosis of erythema multiforme, that has an acute, self-limiting course, is based on its typical clinical picture of targetoid erythematous lesions with predominant acral localization as well as histological findings...
January 19, 2018: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/29351747/combination-of-pelargonium-sidoides-and-coptis-chinensis-root-inhibits-nuclear-factor-kappa-b-mediated-inflammatory-response-in-vitro-and-in-vivo
#5
Sang Mi Park, Byung-Gu Min, Ji Yun Jung, Kyung Hwan Jegal, Chul Won Lee, Kwang Youn Kim, Young Woo Kim, Youn-Woong Choi, Il Je Cho, Sae Kwang Ku, Sang Chan Kim
BACKGROUND: Pelargonium sidoides (PS) and Coptis chinensis root (CR) have traditionally been used to treat various diseases, including respiratory and gastrointestinal infections, dysmenorrhea, and hepatic disorders. The present study was conducted to evaluate the anti-inflammatory effects of a combination of PS and CR in vitro and in vivo. METHODS: The in vitro effects of PS + CR on the induction of inflammation-related proteins were evaluated in lipopolysaccharide (LPS)-stimulated RAW 264...
January 19, 2018: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29350566/abp-501-for-the-treatment-of-rheumatoid-arthritis
#6
Eleftherios Pelechas, Paraskevi V Voulgari, Alexandros A Drosos
Rheumatoid arthritis (RA) is an autoimmune disease, which has a negative impact on the ability to perform activities daily. Tumour necrosis factor α (TNF) is a cytokine with diverse cellular effects, and a key regulator of the inflammatory response. ABP 501 is a biosimilar to adalimumab, a TNF inhibitor. Areas covered: In this review, we examined ABP 501, as a biosimilar candidate to adalimumab in the treatment of RA focusing on the available data. Current data indicate that ABP 501 is a highly similar alternative to adalimumab in terms of safety, efficacy, tolerability and immunogenicity...
January 19, 2018: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/29348119/cigarette-smoke-initiates-oxidative-stress-induced-cellular-phenotypic-modulation-leading-to-cerebral-aneurysm-pathogenesis
#7
Robert M Starke, John W Thompson, Muhammad S Ali, Crissey L Pascale, Alejandra Martinez Lege, Dale Ding, Nohra Chalouhi, David M Hasan, Pascal Jabbour, Gary K Owens, Michal Toborek, Joshua M Hare, Aaron S Dumont
OBJECTIVE: Cigarette smoke exposure (CSE) is a risk factor for cerebral aneurysm (CA) formation, but the molecular mechanisms are unclear. Although CSE is known to contribute to excess reactive oxygen species generation, the role of oxidative stress on vascular smooth muscle cell (VSMC) phenotypic modulation and pathogenesis of CAs is unknown. The goal of this study was to investigate whether CSE activates a NOX (NAPDH oxidase)-dependent pathway leading to VSMC phenotypic modulation and CA formation and rupture...
January 18, 2018: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/29345370/inhibition-of-soluble-epoxide-hydrolase-attenuates-eosinophil-recruitment-and-food-allergen-induced-gastrointestinal-inflammation
#8
Idil Bastan, Xiao Na Ge, Mythili Dileepan, Yana G Greenberg, Alonso G Guedes, Sung Hee Hwang, Bruce D Hammock, Robert J Washabau, Savita P Rao, P Sriramarao
Prevalence of food allergies in the United States is on the rise. Eosinophils are recruited to the intestinal mucosa in substantial numbers in food allergen-driven gastrointestinal (GI) inflammation. Soluble epoxide hydrolase (sEH) is known to play a pro-inflammatory role during inflammation by metabolizing anti-inflammatory epoxyeicosatrienoic acids (EETs) to pro-inflammatory diols. We investigated the role of sEH in a murine model of food allergy and evaluated the potential therapeutic effect of a highly selective sEH inhibitor (trans-4-{4-[3-(4-trifluoromethoxyphenyl)-ureido]-cyclohexyloxy}-benzoic acid [t-TUCB])...
January 17, 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29344152/regulation-of-autophagy-inhibition-and-inflammatory-response-in-glioma-by-wnt-signaling-pathway
#9
Tongxin Wang, Zhixia Chen, Wei Zhang
The objective of this study was to investigate the mechanism of the function of Wnt signaling pathway in regulating autophagy and inflammatory response in glioma cells. Human brain glioma cells U118 were selected and divided into three groups: i) the Wnt signaling inhibitor IWR-1 group (the observation group); ii) the PBS negative control group (the PBS group) and iii) the blank control group. After 24 h culture, Wnt5a/β-catenin protein, autophagy marker, microtubule-associated-proteins-1A1B-light-chain-3C (LC-3) II and Beclin I, and inflammatory factors IL-6 and TNF-α protein expression levels were evaluated using western blotting...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29343281/p-mapa-immunotherapy-potentiates-the-effect-of-cisplatin-on-serous-ovarian-carcinoma-through-targeting-tlr4-signaling
#10
Luiz Gustavo de Almeida Chuffa, Grazielle de Moura Ferreira, Luiz Antonio Lupi, Iseu da Silva Nunes, Wagner José Fávaro
BACKGROUND: Toll-like receptors (TLRs) are transmembrane proteins expressed on the surface of ovarian cancer (OC) and immune cells. Identifying the specific roles of the TLR-mediated signaling pathways in OC cells is important to guide new treatments. Because immunotherapies have emerged as the adjuvant treatment for patients with OC, we investigated the effect of a promising immunotherapeutic strategy based on protein aggregate magnesium-ammonium phospholinoleate-palmitoleate anhydride (P-MAPA) combined with cisplatin (CIS) on the TLR2 and TLR4 signaling pathways via myeloid differentiation factor 88 (MyD88) and TLR-associated activator of interferon (TRIF) in an in vivo model of OC...
January 17, 2018: Journal of Ovarian Research
https://www.readbyqxmd.com/read/29339435/corrected-and-republished-from-the-cop9-signalosome-interacts-with-and-regulates-interferon-regulatory-factor-5-protein-stability
#11
Justyna Korczeniewska, Betsy J Barnes
The transcription factor interferon regulatory factor 5 (IRF5) exerts crucial functions in the regulation of host immunity against extracellular pathogens, DNA damage-induced apoptosis, death receptor signaling, and macrophage polarization. Tight regulation of IRF5 is thus warranted for an efficient response to extracellular stressors and for limiting autoimmune and inflammatory responses. Here we report that the COP9 signalosome (CSN), a general modulator of diverse cellular and developmental processes, associates constitutively with IRF5 and promotes its protein stability...
February 1, 2018: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/29339319/treatment-with-the-noradrenaline-re-uptake-inhibitor-atomoxetine-alone-and-in-combination-with-the-%C3%AE-2-adrenoceptor-antagonist-idazoxan-attenuates-loss-of-dopamine-and-associated-motor-deficits-in-the-lps-inflammatory-rat-model-of-parkinson-s-disease
#12
Justin D Yssel, Eoin O'Neill, Yvonne M Nolan, Thomas J Connor, Andrew Harkin
The impact of treatment with the noradrenaline (NA) re-uptake inhibitor atomoxetine and the α2-adrenoceptor (AR) antagonist idazoxan in an animal model of Parkinson's disease (PD) was assessed. Concurrent systemic treatment with atomoxetine and idazoxan, a combination which serves to enhance the extra-synaptic availability of NA, exerts anti-inflammatory and neuroprotective effects following delivery of an inflammatory stimulus, the bacterial endotoxin, lipopolysaccharide (LPS) into the substantia nigra. Lesion-induced deficits in motor function (akinesia, forelimb-use asymmetry) and striatal dopamine (DA) loss were rescued to varying degrees depending on the treatment...
January 12, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29338785/benefits-of-vce-003-2-a-cannabigerol-quinone-derivative-against-inflammation-driven-neuronal-deterioration-in-experimental-parkinson-s-disease-possible-involvement-of-different-binding-sites-at-the-ppar%C3%AE-receptor
#13
Concepción García, María Gómez-Cañas, Sonia Burgaz, Belén Palomares, Yolanda Gómez-Gálvez, Cristina Palomo-Garo, Sara Campo, Joel Ferrer-Hernández, Carolina Pavicic, Carmen Navarrete, M Luz Bellido, Moisés García-Arencibia, M Ruth Pazos, Eduardo Muñoz, Javier Fernández-Ruiz
BACKGROUND: Neuroprotection with cannabinoids in Parkinson's disease (PD) has been afforded predominantly with antioxidant or anti-inflammatory cannabinoids. In the present study, we investigated the anti-inflammatory and neuroprotective properties of VCE-003.2, a quinone derivative of the non-psychotrophic phytocannabinoid cannabigerol (CBG), which may derive its activity at the peroxisome proliferator-activated receptor-γ (PPARγ). The compound is also an antioxidant. METHODS: We evaluated VCE-003...
January 16, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29337590/novel-mechanism-for-nicotinamide-phosphoribosyltransferase-inhibition-of-tnf-%C3%AE-mediated-apoptosis-in-human-lung-endothelial-cells
#14
Radu C Oita, Sara M Camp, Wenli Ma, Ermelinda Ceco, Mark Harbeck, Patrick Singleton, Joe Messana, Xiaoguang Sun, Ting Wang, Joe G N Garcia
Nicotinamide phosphoribosyltransferase (NAMPT) exists as both intracellular (iNAMPT) and extracellular (eNAMPT) proteins. eNAMPT is secreted into the blood and functions as a cytokine/enzyme (cytozyme) that activates NFκB signaling via ligation of the TLR4 receptor, further serving as a biomarker for inflammatory lung disorders such as the acute respiratory distress syndrome (ARDS). In contrast, iNAMPT is involved in nicotinamide mononucleotide (NMN) synthesis and has been implicated in the regulation of cellular apoptosis, although the exact mechanisms for this regulation are poorly understood...
January 16, 2018: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/29336487/mig6-reduces-inflammatory-mediators-production-by-regulating-the-activation-of-egfr-in-lps-induced-endotoxemia
#15
Wenting Chen, Hanhui Zhong, Xiaofei Wang, Qiongni Pang, Jinling Zhuang, Jian Hu, Yeming Chen, Jijie Hu, Jinghua Liu, Jing Tang
Epithelial growth factor receptor (EGFR), a tyrosine kinase receptor, plays a critical role in lipopolysaccharide (LPS) induced endotoxemia. Meanwhile, EGFR signaling is regulated by multiple feedback regulators, including mitogen-inducible gene 6 protein (Mig6). However, as an EGFR regulator, the role of Mig6 in endotoxemia is still remained unknown. Here, we reported for the first time that LPS treatment increased the expression of Mig6 and this effect could be inhibited by EGFR inhibitor, PD168393 or erlotinib...
January 16, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29336470/tnf-%C3%AE-induces-drp1-mediated-mitochondrial-fragmentation-during-inflammatory-cardiomyocyte-injury
#16
Yue-Liang Shen, Ying-Zhou Shi, Gai-Ge Chen, Lin-Lin Wang, Ming-Zhi Zheng, Hong-Feng Jin, Ying-Ying Chen
Dynamin-related peptide 1 (Drpl)-mediated mitochondrial fission is an important process associated with cardiac dysfunction under different pathological conditions. The aim of the present study was to investigate the expression of Drpl during inflammatory myocardial injury. Sprague‑Dawley rats were treated intraperitoneally with lipopolysaccharides (LPS). Furthermore, cultured H9C2 cardiomyocytes were treated with LPS, interleukin‑6 (IL‑6) and tumor necrosis factor‑α (TNF‑α). Total and mitochondrial proteins were isolated from the heart tissue of rats and from the H9C2 cardiomyocytes...
January 15, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29335495/dysfunction-of-cd19-cd24hicd27-b-regulatory-cells-in-patients-with-bullous-pemphigoid
#17
Zhenfeng Liu, Erle Dang, Bing Li, Hongjiang Qiao, Liang Jin, Jieyu Zhang, Gang Wang
Bullous pemphigoid (BP) is an autoimmune blistering skin disease characterized by the production of autoantibodies against the hemidesmosomal protein BP180. B regulatory cells (Bregs) are crucial in maintaining self-tolerance and suppressing autoantibody production. However, it is still unclear whether the dysfunctions of Bregs contributes to the autoantibody production in BP patients. In this study, we found that CD19+CD24hiCD27+ Bregs and IL-10+CD19+ Bregs were significantly increased in the peripheral blood samples of BP patients compared with that in healthy controls...
January 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29334839/bax-inhibitor-1-is-required-for-resisting-the-early-brain-injury-induced-by-subarachnoid-hemorrhage-through-regulating-ire1-jnk-pathway
#18
Lei Shi, Zaizong Wang, Xianjin Liu, Mao Li, Shangfei Zhang, Xiaobin Song
Background and Purpose Bax inhibitor-1 (BI-1) has been identified as a suppressor of Bax-mediated cell apoptosis by regulation of endoplasmic reticulum stress-induced cell death. However, the role of BI-1 in Early Brain Injury (EBI) after subarachnoid hemorrhage (SAH) remains unclear. In the present study, we aim to explore the neuroprotective functions of BI-1 in EBI after SAH by using models of SAH that induced endovascular perforation in rats. Method The neurological score, brain water content and blood-brain barrier (BBB) permeability were evaluated simultaneously as prognostic indicators...
January 16, 2018: Neurological Research
https://www.readbyqxmd.com/read/29334280/comparison-of-guidelines-for-the-use-of-tnf-inhibitors-for-psoriasis-in-the-united-states-canada-europe-and-the-united-kingdom-a-critical-appraisal-and-comprehensive-review
#19
Vidhi V Shah, Erica B Lee, Shivani Reddy, Elaine J Lin, Jashin J Wu
PURPOSE: To compare and contrast evidence-based CPGs from leading dermatological organizations for the use of tumor necrosis factor inhibitors (TNFi) in psoriasis. MATERIALS AND METHODS: Guidelines from the British National Institute for Health and Care Excellence (NICE), the British Association of Dermatologists (BAD), the American Academy of Dermatology (AAD), the National Psoriasis Foundation (NPF), and the Canadian Dermatology Association (CDA) were reviewed and compared...
January 15, 2018: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/29334162/prevalence-of-metabolic-syndrome-in-children-with-moderate-to-severe-psoriasis-treated-with-tnf-inhibitors-in-comparison-to-conventional-agents
#20
Nawaf Al Mutairi, Dhuha Alrqobah, Nasser Haji Hussain
Association of childhood psoriasis with metabolic syndrome has not been studied well. TNF-alfa contributes to the inflammation seen in metabolic syndrome, and recently etanercept has shown to reduce the levels of inflammatory markers. Assessment of prevalence of metabolic syndrome in juvenile psoriasis patients in Kuwait. We included 236 patients with moderate to severe psoriasis below 18 years treated for at least 24 weeks with TNF inhibitors (Group A), and equal number of age and sex matched cases treated with conventional medications (Group B)...
January 15, 2018: Dermatologic Therapy
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