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https://www.readbyqxmd.com/read/28343998/carnosic-acid-ca-attenuates-collagen-induced-arthritis-in-db-db-mice-via-inflammation-suppression-by-regulating-ros-dependent-p38-pathway
#1
Guangtao Xia, Xia Wang, Hongsheng Sun, Yuhong Qin, Min Fu
Rheumatoid arthritis (RA) is a multifactorial autoimmune disease, characterized by inflammation of synovial joints. Carnosic acid (CA) is a phenolic diterpene isolated from Rosmarinus officinails, playing a central role in cytoprotective responses to oxidative stress and inflammation response. Our study aimed to investigate the effects of CA on RA progression in diabetic animals. Carnosic acid (CA) was used to treat collagen-induced arthritis (CIA)-induced db/db mice. Blood glucose, oral glucose tolerance test (OGTT) and insulin tolerance test (ITT) were investigated to explore insulin resistance...
March 23, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28342364/therapeutic-effect-of-quercetin-in-collagen-induced-arthritis
#2
Nagaraja Haleagrahara, Socorro Miranda-Hernandez, Md Abdul Alim, Linda Hayes, Guy Bird, Natkunam Ketheesan
Quercetin, a bioactive flavonoid with anti-inflammatory, immunosuppressive, and protective properties, is a potential agent for the treatment of rheumatoid arthritis (RA). Collagen-induced arthritis (CIA) is the most commonly used animal model for studying the pathogenesis of RA. This study analysed the therapeutic role of quercetin in collagen-induced arthritis in C57BL/6 mice. The animals were allocated into five groups that were subjected to the following treatments: negative (untreated) control, positive control (arthritis-induced), arthritis+methotrexate, arthritis+quercetin, and arthritis+methotrexate+quercetin...
March 22, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28332288/tetrandrine-an-agonist-of-aryl-hydrocarbon-receptor-reciprocally-modulates-the-activities-of-stat3-and-stat5-to-suppress-th17-cell-differentiation
#3
Xusheng Yuan, Yannong Dou, Xin Wu, Zhifeng Wei, Yue Dai
Tetrandrine, a bisbenzylisoquinoline alkaloid constituent of the root of Stephania tetrandra S. Moore, was previously shown to suppress the differentiation of T helper 17 (Th17) cells and consequently ameliorate the collagen-induced arthritis (CIA) in mice by activating the aryl hydrocarbon receptor (AhR), but its underlying mechanism is incompletely understood. Here, we investigated how tetrandrine suppressed Th17 cell differentiation through the AhR pathway. The naïve CD4(+) T cells were stimulated with anti-CD3/CD28 for 72 hrs in the presence or absence of tetrandrine under the Th17-polarizing condition...
March 22, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28328075/role-of-amino-acids-in-rheumatoid-arthritis-studied-by-metabolomics
#4
Min He, Amy C Harms, Eduard van Wijk, Mei Wang, Ruud Berger, Slavik Koval, Thomas Hankemeier, Jan van der Greef
BACKGROUND: Rheumatoid arthritis (RA) is a complex, chronic autoimmune disease characterized by various inflammatory symptoms, including joint swelling, joint pain, and both structural and functional joint damage. The most commonly used animal model for studying RA is mice with collagen-induced arthritis (CIA); the wide use of this model is due primarily to many similarities with RA in human patients. Metabolomics is used increasingly in biological studies for diagnosing disease and for predicting and evaluating drug interventions, as a large number of disease-associated metabolites can be analyzed and interpreted from a biological perspective...
March 22, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28320444/ox40-signaling-is-involved-in-the-autoactivation-of-cd4-cd28-t-cells-and-contributes-to-the-pathogenesis-of-autoimmune-arthritis
#5
Juean Jiang, Cuiping Liu, Mi Liu, Yu Shen, Xiaohan Hu, Qin Wang, Jian Wu, Min Wu, Qi Fang, Xueguang Zhang
BACKGROUND: CD4(+)CD28(-) T cells exhibit autoreactive potential in autoimmune disorders, including rheumatoid arthritis (RA). It is not well known which costimulator functions as an alternative second signal in the activation of this subset after CD28 expression is downregulated. Tumor necrosis factor receptor superfamily member OX40 is a key costimulator in the activation of T cells. The aim of this study was to investigate the costimulatory effects of OX40 on CD4(+)CD28(-) T cells in autoimmune arthritis...
March 21, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28318758/-patient-safety-culture-in-directors-and-managers-of-a-health-service
#6
Teresa Giménez-Júlvez, Ignacio Hernández-García, Carlos Aibar-Remón, Isabel Gutiérrez-Cía, Mercedes Febrel-Bordejé
OBJECTIVE: To assess patient safety culture in directors/managers. METHODS: Cross-sectional descriptive study carried out from February to June 2011 among the executive/managing staff of the Aragón Health Service through semi-structured interviews. RESULTS: A total of 12 interviews were carried out. All the respondents admitted that there were many patient safety problems and agreed that patient safety was a priority from a theoretical rather than practical perspective...
March 16, 2017: Gaceta Sanitaria
https://www.readbyqxmd.com/read/28316374/the-role-of-il-17-and-related-cytokines-in-inflammatory-autoimmune-diseases
#7
REVIEW
Taku Kuwabara, Fumio Ishikawa, Motonari Kondo, Terutaka Kakiuchi
Interleukin-17 (IL-17) induces the production of granulocyte colony-stimulating factor (G-CSF) and chemokines such as CXCL1 and CXCL2 and is a cytokine that acts as an inflammation mediator. During infection, IL-17 is needed to eliminate extracellular bacteria and fungi, by inducing antimicrobial peptides such as defensin. This cytokine also plays an important role in chronic inflammation that occurs during the pathogenesis of autoimmune diseases and allergies such as human rheumatoid arthritis (RA) for which a mouse model of collagen-induced arthritis (CIA) is available...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28315539/scalp-cooling-a-literature-review-of-efficacy-safety-and-tolerability-for-chemotherapy-induced-alopecia%C3%A2
#8
Mikel Ross, Erica Fischer-Cartlidge
BACKGROUND: More than 75% of patients with cancer cite alopecia as the most feared side effect of treatment, with as many as 10% considering treatment refusal. Despite wide acceptance in other countries, scalp cooling to reduce chemotherapy-induced alopecia (CIA) has been uncommon in the United States because of longstanding concerns of scalp metastases and a lack of reliable efficacy data. 
. OBJECTIVES: This article reviews 40 years of efficacy, safety, and tolerability literature on scalp cooling to prevent CIA...
April 1, 2017: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/28314223/gv1001-immunotherapy-ameliorates-joint-inflammation-in-a-murine-model-of-rheumatoid-arthritis-by-modifying-collagen-specific-t-cell-responses-and-downregulating-antigen-presenting-cells
#9
In Ah Choi, Ji Yong Choi, Sundo Jung, Fathihah Basri, Seho Park, Eun Young Lee
This study investigated whether GV1001 may be useful for treating rheumatoid arthritis (RA). Two collagen-induced arthritis (CIA) experiments showed that therapeutic, but not preventive, GV1001 treatment reduced the severity of joint inflammation in CIA. The third CIA experiment indicated that, compared to vehicle treatment, therapeutic GV1001 treatment was associated with a significantly smaller area under the curve for the overall clinical joint score over the 98day observation period (p<0.05). GV1001 treatment was also associated with lower Day 98 serum IL-6 levels (p<0...
March 14, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28303943/increased-chemical-weathering-during-the-deglacial-to-mid-holocene-summer-monsoon-intensification
#10
Pavan Miriyala, N P Sukumaran, B Nagender Nath, P B Ramamurty, A V Sijinkumar, B Vijayagopal, V Ramaswamy, Tyson Sebastian
Chemical weathering and the ensuing atmospheric carbon dioxide consumption has long been considered to work on geological time periods until recently when some modelling and natural records have shown that the weathering-related CO2 consumption can change at century to glacial-interglacial time scale. Last glacial to interglacial transition period is a best test case to understand the interplay between Pco2-temperature-chemical weathering when a pulse of rapid chemical weathering was initiated. Here we show, from a high resolution 54 ka record from the Andaman Sea in the northern Indian Ocean, that the chemical weathering responds to deglacial to mid-Holocene summer monsoon intensification in the Myanmar watersheds...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28303052/changes-in-levels-of-enzyme-inhibitors-during-soaking-and-cooking-for-pulses-available-in-canada
#11
Lan Shi, Kaiwen Mu, Susan D Arntfield, Michael T Nickerson
The effects of processing (soaking and cooking) on enzyme inhibitors (α-amylase, trypsin and chymotrypsin inhibitors) in a range of pulses (4 peas, 9 lentils, 3 chickpeas, 2 faba beans and 4 beans) were investigated, using soybean as a control. Analysis of variance indicated that pulse type, treatment and their interaction had significant effects on levels of all enzyme inhibitors. Soybean contained the highest levels of trypsin inhibitory activity (TIA) and chymotrypsin inhibitory activity (CIA) among all seeds...
March 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28297833/-effect-of-allogenic-mesenchymal-stem-cells-transplantation-on-the-expression-of-interleukin-22-and-matrix-metalloproteinase-3-in-rats-with-collagen-induced-arthritis
#12
G Y Liu, S Bian, F Li, X F Li, K Fan, H Z An, X X Jia
Objective: To study the effect of allogeneic bone marrow mesenchymal stem cells transplantation on the expression of interleukin -22 (IL-22), matrix metalloproteinase -3 (MMP-3) in serum and synovial of rats with collagen induced arthritis. Methods: Type Ⅱ collagen were injected twice to establish the collagen induced arthritis (CIA) rat model. Forty-eight rats were randomly divided into 3 groups: control group, CIA control group, CIA experiment group. Rat bone marrow mesenchymal stem cells were cultured by bone marrow method combined with adherent culture method...
March 7, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28294661/-nellix-new-possibilities-in-the-treatment-of-the-aorto-iliac-aneurysm-our-initial-experiences
#13
László Hidi, Csaba Csobay-Novák, Attila Nemes, Balázs Nemes, Zoltán Oláh, Dániel Pál, Péter Sótonyi
INTRODUCTION: The Endologix developed an aortoiliac stent graft system that is different than the conventional implantation technique (Nellix, EVAS-endovascular aneurysm sealing system). The first implantation in Hungary has been performed in the beginning of 2016 at Heart and Vascular Center. METHODS: Nellix: two endobags surrounding ballon-expandable covered stent (10 mm) with optional length, biocompatible polymer which is able to be injected into the endobags and a procedure-coordinating console...
March 2017: Magyar Sebészet
https://www.readbyqxmd.com/read/28288964/il-38-overexpression-induces-anti-inflammatory-effects-in-mice-arthritis-models-and-in-human-macrophages-in-vitro
#14
Marie-Astrid Boutet, Aurélie Najm, Géraldine Bart, Régis Brion, Sophie Touchais, Valérie Trichet, Pierre Layrolle, Cem Gabay, Gaby Palmer, Frédéric Blanchard, Benoit Le Goff
OBJECTIVES: Interleukin (IL)-38 is a newly characterised cytokine that belongs to the IL-1 family. This cytokine is expressed in the rheumatoid arthritis (RA) synovial tissue and IL-38 deficient mice have exacerbated arthritis. Here, we analysed the effect of IL-38 overexpression in the joints of arthritic mice, in human macrophages and synovial fibroblasts in vitro. METHODS: Articular injections of an adeno-associated virus (AAV) 2/8 encoding IL-38 were performed in collagen-induced arthritis (CIA), K/BxN serum transfer-induced arthritis (STIA) and antigen-induced arthritis (AIA) in mice...
March 13, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28286042/the-therapeutic-effects-of-periploca-forrestii-schltr-stem-extracts-on-collagen-induced-arthritis-by-inhibiting-the-activation-of-src-nf-%C3%AE%C2%BAb-signaling-pathway-in-rats
#15
Lei Chen, Jinsong Li, Xuan Ke, Wei Qu, Jie Zhang, Feng Feng, Wenyuan Liu
ETHNOPHARMACOLOGICAL RELEVANCE: Periploca forrestii Schltr. is a classical traditional Chinese medicine (TCM) called Heilonggu (HLG) in China. According to the theory of TCM, it possesses the efficacy of eliminating wind and removing dampness. In clinical practice, it is commonly used for the treatment of rheumatoid arthritis. The present work aimed to evaluate the anti-rheumatism activity of HLG ethanol extract and reveal the underlying molecular mechanism by employing an animal model of collagen-induced rheumatoid arthritis (CIA) in rats...
March 7, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28284716/th17-il-17-cause-acceleration-of-inflammation-and-fat-loss-by-inducing-%C3%AE-2-glycoprotein-1-azgp1-in-rheumatoid-arthritis-with-high-fat-diet
#16
Hyun Sik Na, Jeong-Eun Kwon, Seung Hoon Lee, JooYeon Jhun, Sung-Min Kim, Se-Young Kim, Eun-Kyung Kim, KyungAh Jung, Sung-Hwan Park, Mi-La Cho
Rheumatoid arthritis (RA) is a chronic autoimmune disorder that affects the joints. High-fat diet (HFD) is a risk factor for RA and is related to inflammation but responds minimally to medication. Given the association between HFD and inflammation, it is important to understand the function of inflammation-related T cells in RA with HFD. Collagen-induced arthritis (CIA), a model of RA, was induced in HFD mice by injection of collagen II, and metabolic markers and T cells were analyzed. The metabolic index and IgG assay results were higher in HFD-CIA mice than in nonfat diet-CIA mice...
March 8, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28283247/environmentally-friendly-and-non-polluting-solvent-pretreatment-of-palm-samples-for-polyphenol-analysis-using-choline-chloride-deep-eutectic-solvents
#17
Najing Fu, Runqiu Lv, Zhixin Guo, Yiwei Guo, Xiaoyu You, Baokun Tang, Dandan Han, Hongyuan Yan, Kyung Ho Row
In this work, choline chloride (ChCl) deep eutectic solvents (DESs) were evaluated for the pretreatment of palm samples in the analysis of polyphenols, such as protocatechuic acid, catechins, epicatechin, and caffeic acid. During the enrichment step of the pretreatment, eight DESs comprising ChCl with ethylene glycol (EG), glycerol (Gly), xylitol (Xyl), phenol (Ph), formic acid (FA), citric acid (CiA), oxalic acid (OA), or malonic acid (MA), were prepared and applied to the reflux extraction of polyphenols from palm samples...
February 21, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28280364/biosimilar-retacrit-%C3%A2-epoetin-zeta-in-the-treatment-of-chemotherapy-induced-symptomatic-anemia-in-hematology-and-oncology-in-germany-orheo-non-interventional-study
#18
Christoph Losem, Michael Koenigsmann, Christine Rudolph
BACKGROUND: Symptomatic anemia is a frequent and severe complication of chemotherapy that is commonly treated with erythropoiesis-stimulating agents. The primary objective of this study was to assess the change in hemoglobin levels in patients with chemotherapy-induced anemia (CIA) following treatment with biosimilar Retacrit(®) (epoetin zeta). Secondary objectives included changes in hematologic parameters and tolerability. METHODS: This was a non-interventional, multicenter, long-term observational study that is part of an ongoing surveillance program for epoetin zeta...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28279528/discovery-and-evaluation-of-1h-pyrrolo-2-3-b-pyridine-based-selective-and-reversible-small-molecule-btk-inhibitors-for-the-treatment-of-rheumatoid-arthritis
#19
Mahesh Thakkar, Debnath Bhuniya, Rahul Kaduskar, Tanaji Mengawade, Keshav Naik, Videsh Salunkhe, Amit Bhalerao, Santosh Kurhade, Jagadeesh Mavinahalli, Vaibhav Jain, Rajkanth Petla, Satheesh Avaragolla, Swagatam Ray, Sreekanth Rouduri, Avinash Dhanave, Siddhartha De, Vishal Pathade, Ashwini Tambe, Amol A Raje, Vamsi Madgula, Sachin Joshi, Ahmed Nadeem, Madhu Bala, Dhananjay Umrani, Narayanan Hariharan, Bheemashankar Kulkarni, Kasim A Mookhtiar
In a pursuit to identify reversible and selective BTK inhibitors, two series based on 7H-pyrrolo[2,3-d]pyrimidine and 1H-pyrrolo[2,3-b]pyridine as the hinge binding core, have been identified. Structure activity relationship (SAR) exploration led to identification of two advanced lead molecules, 11 and 13, which demonstrated desired BTK inhibitory potency in different cellular assays, excellent selectivity in a panel of 50 diverse kinases, favorable in vivo PK properties in mice and anti-arthritic effect in a mouse model of CIA...
February 22, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28273637/fgf21-exerts-comparable-pharmacological-efficacy-with-adalimumab-in-ameliorating-collagen-induced-rheumatoid-arthritis-by-regulating-systematic-inflammatory-response
#20
Dan Yu, Xianlong Ye, Ruixiang Che, Qiang Wu, Jianying Qi, Liying Song, Xiaochen Guo, Shengqi Zhang, Hongsong Wu, Guiping Ren, Deshan Li
Previous studies have reported that Fibroblast growth factor 21 (FGF21) can regulate inflammation and may play an important role in inflammatory and immune-mediated diseases, such as autoimmune diseases. Adalimumab is one of the clinically effective anti-rheumatoid arthritis (RA) drugs. The aim of this study was to compare the therapeutic efficacy of FGF21 and Adalimumab on collagen-induced arthritis (CIA) model mice. Mice with CIA were subcutaneously treated with FGF21 or Adalimumab at dose of 1mgkg(-1)d(-1), respectively...
March 5, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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