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https://www.readbyqxmd.com/read/28810629/inhibition-of-microrna-34a-ameliorates-murine-collagen-induced-arthritis
#1
Qiujie Dang, Fan Yang, Hongwei Lei, Xin Liu, Minglu Yan, He Huang, Xuemei Fan, Yang Li
Rheumatoid arthritis (RA) is one of the most frequently occurring autoimmne diseases, with symptoms including synovium hyperplasia, immune disorder, cartilage damage and bone resorption. It has previously been demonstrated that microRNA-34a (miR-34a) may participate in cell apoptosis, immune activation and bone metabolism, therefore the present study investigated the effects of miR-34a on RA. Collagen-induced arthritic (CIA) mice were employed as a murine model of experimental arthritis, and it was demonstrated that the level of miR-34a in the spleens, lymph nodes and synovium was increased in the CIA mice compared with normal DBA/1j mice...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28783888/attenuation-of-collagen-induced-arthritis-by-hyperbaric-oxygen-therapy-through-altering-immune-balance-in-favor-of-regulatory-t-cells
#2
Byung-In Moon, Hyung-Ran Kim, Eun-Jeong Choi, Jeong-Hae Kie, Ju-Young Seoh
Hyperbaric oxygen (HBO₂) therapy is currently used for the treatment of chronic wounds, radiation-induced soft tissue necrosis, several oxygen-deficiency conditions and decompression sickness. In addition to the current indications, much empirical and experimental data suggest that HBO₂ therapy may benefit autoimmune diseases by suppressing immunity, but the underlying mechanism is not well understood. Therefore, in the present study, we investigated whether HBO₂ prevents the development of collagen-induced arthritis (CIA) in association with alteration of the immune balance between pro-inflammatory Th17 and anti-inflammatory regulatory T cells (Tregs)...
July 2017: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://www.readbyqxmd.com/read/28782490/unmet-needs-in-schizophrenia
#3
Maurizio Pompili, Gloria Giordano, Mario Luciano, Valeria Del Vecchio, Gianluca Serafini, Gaia Sampogna, Denise Erbuto, Peter Falkai, Andrea Fiorillo
The objectives of this article are to describe current trends in the treatment of schizophrenia and the most interesting new approaches to optimizing outcome and fostering the development of new schizophrenia treatments. RESULTS: Increasing utilization of diverse types of atypical antipsychotic drugs (AAPDs), e.g. clozapine-type serotonin (5-HT)2A and weak dopamine (DA) D2 antagonist, amisulpride, a D2/D3/5-HT7 antagonist, and cariprazine, a D3 partial agonist with additional neurotransmitter targets, is occurring as their advantages in efficacy, especially for cognitive impairment and mood symptoms, and side effects is becoming appreciated...
August 3, 2017: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/28777892/therapeutical-modulation-of-plasmacytoid-dendritic-cells-in-experimental-arthritis
#4
Ramzi Nehmar, Ghada Alsaleh, Benjamin Voisin, Vincent Flacher, Alexandre Mariotte, Victoria Saferding, Antonia Puchner, Birgit Niederreiter, Thierry Vandamme, Gernot Schabbauer, Philippe Kastner, Susan Chan, Peggy Kirstetter, Martin Holcmann, Christopher Mueller, Jean Sibilia, Seiamak Bahram, Stephan Blüml, Philippe Georgel
OBJECTIVES: The role of plasmacytoid dendritic cells (pDCs) and type I Interferons in rheumatoid arthritis (RA) remains controversial. To explore their contribution to RA pathogenesis, we induced experimental arthritis in various animal models of pDC depletion. We also monitored the effect of localized pDC recruitment and activation on joint inflammation and bone damage. METHODS: Experimental arthritis in mice was obtained by K/BxN serum transfer, heterologous collagen immunization (CIA) or in hTNF-transgenics...
August 4, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28777303/novel-biomarkers-in-the-diagnosis-of-chronic-kidney-disease-and-the-prediction-of-its-outcome
#5
REVIEW
Jacek Rysz, Anna Gluba-Brzózka, Beata Franczyk, Zbigniew Jabłonowski, Aleksandra Ciałkowska-Rysz
In its early stages, symptoms of chronic kidney disease (CKD) are usually not apparent. Significant reduction of the kidney function is the first obvious sign of disease. If diagnosed early (stages 1 to 3), the progression of CKD can be altered and complications reduced. In stages 4 and 5 extensive kidney damage is observed, which usually results in end-stage renal failure. Currently, the diagnosis of CKD is made usually on the levels of blood urea and serum creatinine (sCr), however, sCr has been shown to be lacking high predictive value...
August 4, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28776776/ten-treatment-without-immunosuppressive-therapy-in-a-burn-centre-a-series-of-10-cases
#6
P Gacto, J J Pereyra, J Carbajal, T Gomez-Cía, J Conejo-Mir
Toxic epidermal necrolysis (TEN) is a serious and infrequent skin disease, usually secondary to drugs. Since the disease includes severe exfoliative disease it has been treated in Burn Centers due to large skin losses. The mechanism leading to the development of lesions is not fully known; the main role is attributed to dysfunction of T lymphocytes (1). The mortality, ranging from 10% to 70% (2), predominantly results from severe complications of multiple organ failure and infections affecting extensive areas of inflamed skin...
August 4, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28770702/prevalence-of-anti-dfs70-antibodies-in-patients-with-and-without-systemic-autoimmune-rheumatic-diseases
#7
Ora Shovman, Boris Gilburd, Chen Chayat, Howard Amital, Pnina Langevitz, Abdulla Watad, Adi Guy, Dolores Perez, Danielle Azoulay, Miri Blank, Yael Segal, Chelsea Bentow, Michael Mahler, Yehuda Shoenfeld
OBJECTIVES: Autoantibodies to the dense fine speckled 70 (DFS70) antigen are common among antinuclear antibodies (ANA) positive healthy individuals (HI). We assessed the prevalence of anti-DFS70 antibodies in patients with and without ANA-associated rheumatic diseases (AARDs) by two methods: chemiluminescent immunoassay (CIA) and an indirect immunofluorescence (IIF) assay based on immunoadsorption for DFS70. METHODS: Fifty-one ANA-positive sera samples from patients with confirmed clinical diagnosis of AARD, 92 samples from HI and 85 samples submitted to a reference laboratory for routine ANA testing were evaluated for the presence of anti-DFS70 antibodies...
July 27, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28770639/the-preventive-effects-of-nanopowdered-red-ginseng-on-collagen-induced-arthritic-mice
#8
Yun-Kyung Lee, Kyung-Hoon Choi, Hae-Soo Kwak, Yoon Hyuk Chang
This study was carried out to investigate the efficiency of red ginseng nanopowder in preventing collagen-induced arthritis (CIA) in mice. The mice were divided into five groups: normal group (no immunisation), control (CIA), powdered red ginseng (PRG), nanopowdered red ginseng (NRG) and methotrexate (MTX). Administering MTX, PRG and NRG to arthritic mice significantly decreased spleen indexes, clinical and histological scores compared to control group. Serum analysis of NRG and MTX groups showed a reduction in the cytokines such as the levels of tumour necrosis factor alpha (TNF-α), interleukin 6 (IL-6) and interleukin 1β (IL-1β) in comparison to PRG group...
August 3, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/28768766/a-synergistic-role-of-irp1-and-fbxl5-in-coordinating-iron-metabolism-during-cell-proliferation
#9
Nathan B Johnson, Kathryn M Deck, Christopher P Nizzi, Richard S Eisenstein
Iron regulatory protein 1 (IRP1) belongs to a family of RNA binding proteins that modulate metazoan iron metabolism. Multiple mechanisms are employed to control the action of IRP1 in dictating changes in the uptake and metabolic fate of iron. Inactivation of IRP1 RNA binding by iron primarily involves insertion of a [4Fe-4S] cluster by the cytosolic iron sulfur cluster assembly (CIA) system converting it into cytosolic aconitase (c-acon) but can also involve iron-mediated degradation of IRP1 by the E3 ligase FBXL5 that also targets IRP2...
August 2, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28765945/platelet-rich-plasma-exhibits-beneficial-effects-for-rheumatoid-arthritis-mice-by-suppressing-inflammatory-factors
#10
Shichao Tong, Changqing Zhang, Ji Liu
Platelet-rich plasma (PRP) is a multifunctional blood product containing highly concentrated platelets, and various cell growth factors which promote cell proliferation and differentiation. PRP exhibited benefits in injurious articular cartilage repair and the removal of inflammatory factors in clinical studies. Rheumatoid arthritis (RA) is an autoimmune disease manifesting primarily as inflammatory arthritis, which is associated with notable morbidity in humans. In the present study, the therapeutic effects and primary mechanism of PRP on a type II collagen‑induced arthritis (CIA) mouse model was investigated...
July 27, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28765647/fgf2-cooperates-with-il-17-to-promote-autoimmune-inflammation
#11
Xinrui Shao, Siyuan Chen, Daping Yang, Mengtao Cao, Yikun Yao, Zhengxi Wu, Ningli Li, Nan Shen, Xiaoxia Li, Xinyang Song, Youcun Qian
IL-17 is a pro-inflammatory cytokine implicated a variety of autoimmune diseases. We have recently reported that FGF2 cooperates with IL-17 to protect intestinal epithelium during dextran sodium sulfate (DSS)-induced colitis. Here, we report a pathogenic role of the FGF2-IL-17 cooperation in the pathogenesis of autoimmune arthritis. Combined treatment with FGF2 and IL-17 synergistically induced ERK activation as well as the production of cytokines and chemokines in human synovial intimal resident fibroblast-like synoviocytes (FLS)...
August 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28764582/how-drone-strikes-and-a-fake-vaccination-program-have-inhibited-polio-eradication-in-pakistan-an-analysis-of-national-level-data
#12
Jonathan Kennedy
This article investigates whether the United States' counterinsurgency operations have inhibited polio eradication efforts in northwestern Pakistan, the world's last major reservoir of polio. Anecdotal evidence suggests that militants disrupt polio vaccination programs because of suspicions that campaigns are a cover for gathering intelligence on Central Intelligence Agency (CIA) drone targets. This paper analyzes national-level quantitative data to test this argument. Between 2004 and 2012, the number of polio cases in Pakistan closely mirrored the number of drone strikes...
January 1, 2017: International Journal of Health Services: Planning, Administration, Evaluation
https://www.readbyqxmd.com/read/28763759/metabolomics-analysis-of-danggui-sini-decoction-on-treatment-of-collagen-induced-arthritis-in-rats
#13
Bang Cheng, Hua Zheng, Fang Wu, Jinxia Wu, Xuwen Liu, Chaoling Tang, Shiyin Lu, Zhaoni Chen, Fangming Song, Junxiang Ruan, Hongye Zhang, Hui Song, Wei Liu, Hongwei Guo, Yonghong Liang, Zhiheng Su
Rheumatoid arthritis (RA) is a chronic autoimmune disorder characterized by persistent joint inflammation leading to bone and cartilage damage and even disability. However, the pathogenesis of RA is multi-factorial and to a large degree, remains unknown. Danggui Sini decoction (DSD), a traditional Chinese medicine (TCM) formula, has been widely used as a remedy for rheumatoid arthritis (RA) in recent years. In our study, (1)H-nuclear magnetic resonance ((1)H NMR) based metabolomics analysis of 7 potential biomarkers, including taurine (1), urea (2), betaine (3), pyruvate (4), hippurate (5), succinate (6) and acetone (7) was performed to investigate the progression of RA and assess the efficacy of DSD in collagen-induced arthritis (CIA) rats...
July 24, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28761156/aggravation-of-collagen-induced-arthritis-by-orally-administered-porphyromonas-gingivalis-through-modulation-of-the-gut-microbiota-and-gut-immune-system
#14
Keisuke Sato, Naoki Takahashi, Tamotsu Kato, Yumi Matsuda, Mai Yokoji, Miki Yamada, Takako Nakajima, Naoki Kondo, Naoto Endo, Reiko Yamamoto, Yuichiro Noiri, Hiroshi Ohno, Kazuhisa Yamazaki
Porhyromonas gingivalis, a causative bacterium of periodontitis, is implicated in the etiology of rheumatoid arthritis (RA), mainly because of expressing peptidyl arginine deiminase (PAD) that generates RA-related autoantigens. However, compared with other periodontopathic bacteria, the precise role of P. gingivalis in RA is largely unknown. We found that orally administered P. gingivalis changed the gut microbiome with concomitant elevation of serum endotoxin and inflammatory markers, and impairment of the gut barrier function...
July 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28760611/chronically-ill-adolescents-are-also-incompletely-vaccinated-a-cross-sectional-study-in-france
#15
Christèle Gras-Le Guen, Arnaud Legrand, Marylène Caquard, Xavier Micaelli, Georges Picherot, Sylvie Lacroix, Christelle Volteau, Elise Launay
BACKGROUND: Adolescent vaccination coverage tends to be suboptimal, leading to resurgent infectious pathologies and vulnerability to various pathogens. The low frequency of medical consultations and missed opportunities for vaccination are often used to explain the low rate of vaccination. The aim of this study was to assess if the vaccination coverage rate is higher in chronically ill adolescents (CIA) who require a close pediatric specialized follow-up versus the rate in healthy adolescents (HA)...
July 28, 2017: Vaccine
https://www.readbyqxmd.com/read/28758583/new-trends-in-the-treatment-of-schizophrenia
#16
Herbert Y Meltzer
The objectives of this article are to describe current trends in the treatment of schizophrenia and the most interesting new approaches to optimizing outcome and fostering the development of new schizophrenia treatments. RESULTS: Increasing utilization of diverse types of atypical antipsychotic drugs (AAPDs), e.g. clozapine-type serotonin (5-HT)2A and weak dopamine (DA) D2 antagonist, amisulpride, a D2/D3/5-HT7 antagonist, and cariprazine, a D3 partial agonist with additional neurotransmitter targets, is occurring as their advantages in efficacy, especially for cognitive impairment and mood symptoms, and side effects is becoming appreciated...
July 28, 2017: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/28758398/origin-of-fine-particulate-carbon-in-the-rural-united-states
#17
Bret A Schichtel, Jenny L Hand, Michael G Barna, Kristi A Gebhart, Scott Copeland, John Vimont, William Conrad Malm
Carbonaceous compounds are a significant component of fine particulate matter and haze in national parks and wilderness areas where visibility is protected, i.e., class I areas (CIAs). The Regional Haze Rule set the goal of returning visibility in CIAs on the most-anthropogenically-impaired days to natural by 2064. To achieve this goal, we need to understand contributions of natural and anthropogenic sources to the total fine particulate carbon (TC). A Lagrangian chemical transport model was used to simulate the 2006-2008 contributions from various source types to measured TC in CIAs and other rural lands...
July 31, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28758274/pregnancy-and-infant-outcomes-including-major-congenital-malformations-among-women-with-chronic-inflammatory-arthritis-or-psoriasis-with-and-without-etanercept-use
#18
Wendy J Carman, Neil A Accortt, Mary S Anthony, Janet Iles, Cheryl Enger
PURPOSE: Objectives were to quantify prevalence estimates of pregnancy and infant outcomes including major congenital malformations (MCMs) by etanercept (ETN) exposure among infants born to women with chronic inflammatory arthritis (cIA) or psoriasis (PsO). METHODS: Claims-based data delineated pregnancy exposures and outcomes of live or nonlive births among women with cIA and PsO (ETN exposed, unexposed) and general population (GP) comparators. Infant outcomes were determined for live-born infants covered by the mother's insurer...
July 31, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/28756520/cyclophilin-a-aggravates-collagen-induced-arthritis-via-promoting-classically-activated-macrophages
#19
Zhai Dongsheng, Fu Zhiguang, Jia Junfeng, Lu Zifan, Wang Li
Activated macrophages exhibiting diverse phenotypes and various functions contribute to the pathogenesis or amelioration of different diseases like cancer, inflammation, and infectious and autoimmune diseases. However, the mechanisms of macrophage polarization in inflamed joint and its effects on rheumatoid arthritis (RA) are still not clarified. This study is designed to explore the effects of cyclophilin A (CypA) on macrophage polarization and describe the underlying mechanisms. Collagen-induced arthritis (CIA) was employed to address the pro-arthritic effects of CypA...
July 29, 2017: Inflammation
https://www.readbyqxmd.com/read/28753571/1-palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol-ameliorates-arthritic-joints-through-reducing-neutrophil-infiltration-mediated-by-il-6-stat3-and-mip-2-activation
#20
Young-Jun Kim, Jae Min Shin, Su-Hyun Shin, Joo Heon Kim, Ki-Young Sohn, Heung-Jae Kim, Jong-Koo Kang, Sun Young Yoon, Jae Wha Kim
The pathogenesis of rheumatoid arthritis (RA) has been implicated neutrophil extracellular traps (NETs) formation which could generate autoantigen. Neutrophil contributes to initiate and maintain the inflammatory process in the joint. In this study, we show that 1-palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol (PLAG) decreases neutrophil migration by regulating the activity of STAT3, a regulator of IL-6 and MIP-2 expression. PLAG caused a decrease in IL-6 production in the RAW264.7 macrophage cell line and in rheumatoid arthritis-fibroblast-like synoviocytes via the regulation of STAT3 signaling without affecting NF-κB signaling...
July 19, 2017: Oncotarget
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