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https://www.readbyqxmd.com/read/28723711/epidemiology-of-autoimmune-and-inflammatory-diseases-in-a-french-nationwide-hiv-cohort
#1
D Lebrun, M Hentzien, L Cuzin, D Rey, V Joly, L Cotte, C Allavena, P Dellamonica, A Servettaz, F Bani-Sadr
HIV infection and inflammatory and autoimmune diseases (IAD) are both related to immune dysfunction. Epidemiological data on IAD in patients living with HIV (PLHIV) are scarce. The aim of this study was thus to estimate the prevalence of 26 IAD among PLHIV followed in a large French multicenter cohort in the cART era (from January 2000 to July 2013), and to describe their occurrence according to cART onset, the immuno-virological status of patients and HCV and/or HBV co-infection.During the study period, 33 403 PLHIV were included in the Dat'AIDS cohort; 1381 patients with an IAD were identified...
July 18, 2017: AIDS
https://www.readbyqxmd.com/read/28723554/hypoxia-sensitive-commd1-integrates-signaling-and-cellular-metabolism-in-human-macrophages-and-suppresses-osteoclastogenesis
#2
Koichi Murata, Celestia Fang, Chikashi Terao, Eugenia G Giannopoulou, Ye Ji Lee, Min Joon Lee, Se-Hwan Mun, Seyeon Bae, Yu Qiao, Ruoxi Yuan, Moritoshi Furu, Hiromu Ito, Koichiro Ohmura, Shuichi Matsuda, Tsuneyo Mimori, Fumihiko Matsuda, Kyung-Hyun Park-Min, Lionel B Ivashkiv
Hypoxia augments inflammatory responses and osteoclastogenesis by incompletely understood mechanisms. We identified COMMD1 as a cell-intrinsic negative regulator of osteoclastogenesis that is suppressed by hypoxia. In human macrophages, COMMD1 restrained induction of NF-κB signaling and a transcription factor E2F1-dependent metabolic pathway by the cytokine RANKL. Downregulation of COMMD1 protein expression by hypoxia augmented RANKL-induced expression of inflammatory and E2F1 target genes and downstream osteoclastogenesis...
July 18, 2017: Immunity
https://www.readbyqxmd.com/read/28722815/influence-of-morphine-and-naloxone-on-pain-modulation-in-rheumatoid-arthritis-chronic-fatigue-syndrome-fibromyalgia-and-controls-a-double-blind-randomized-placebo-controlled-cross-over-study
#3
Linda Hermans, Jo Nijs, Patrick Calders, Luc De Clerck, Greta Moorkens, Guy Hans, Sofie Grosemans, Tine Roman De Mettelinge, Joanna Tuynman, Mira Meeus
BACKGROUND: Impaired pain inhibitory and enhanced pain facilitatory mechanisms are repeatedly reported in patients with central sensitization pain. However, the exact effects of frequently prescribed opioids on central pain modulation are still unknown. METHODS: A randomized, double-blind, placebo-controlled cross-over trial was carried out. Ten CFS/FM patients, 11 RA patients and 20 controls were randomly allocated to the experimental (10 mg morphine or 0.2 mg/ml Naloxone) and placebo (2 ml Aqua) group...
July 19, 2017: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/28722506/diffusion-weighted-magnetic-resonance-imaging-of-parotid-glands-before-and-after-abatacept-therapy-in-patients-with-sj%C3%A3-gren-s-syndrome-associated-with-rheumatoid-arthritis-utility-to-evaluate-and-predict-response-to-treatment
#4
Hiroyuki Takahashi, Hiroto Tsuboi, Masahiro Yokosawa, Hiromitsu Asashima, Tomoya Hirota, Yuya Kondo, Isao Matsumoto, Takayuki Sumida
OBJECTIVE: To compare parotid diffusion-weighted images (DWIs) taken before and after abatacept therapy in patients with Sjögren's syndrome (SS) associated with rheumatoid arthritis (RA) and to examine the utility in evaluation and prediction of response to therapy. METHODS: DWIs of the parotid glands taken at baseline and 52 weeks after initiation of abatacept were analyzed in nine SS patients with RA using relative standard deviation (RSD) of the entire glands and signal intensity ratio (SIR) within the residual parenchyma...
July 19, 2017: Modern Rheumatology
https://www.readbyqxmd.com/read/28722504/role-of-tenascin-c-in-articular-cartilage
#5
Masahiro Hasegawa, Toshimichi Yoshida, Akihiro Sudo
Tenascin-C (TN-C) is a glycoprotein component of the extracellular matrix (ECM). TN-C consists of four distinct domains, including the tenascin assembly domain, epidermal growth factor-like repeats, fibronectin type III-like repeats, and the fibrinogen-like globe (FBG) domain. This review summarizes the role of TN-C in articular cartilage. Expression of TN-C is associated with the development of articular cartilage but markedly decreases during maturation of chondrocytes and disappears almost completely in adult articular cartilage...
July 19, 2017: Modern Rheumatology
https://www.readbyqxmd.com/read/28722479/oxindole-based-syk-and-jak3-dual-inhibitors-for-rheumatoid-arthritis-designing-synthesis-and-biological-evaluation
#6
Maninder Kaur, Manjinder Singh, Om Silakari
AIM: Autoimmune disorders have complex pathophysiology and focus is laid on the development of multitargeted agents. Two well-established kinases: SYK and JAK3, were considered to design dual inhibitors as potential therapeutics using various molecular-modeling approaches. Mehodology: Pharmacophore models for SYK and JAK3 were generated using oxindole-based inhibitors. Furthermore, an in-house database was designed that was screened against the best selected models. The obtained hits were employed for docking analysis and subjected to MM-GBSA analysis and molecular dynamic simulation...
July 19, 2017: Future Medicinal Chemistry
https://www.readbyqxmd.com/read/28722163/risk-of-cancer-in-patients-with-psoriasis-on-biologic-therapies-a-systematic-review
#7
REVIEW
E Peleva, L S Exton, K Kelley, K J Mason, C H Smith
Biologic therapies are highly effective in psoriasis, but have profound effects on innate and adaptive immune pathways that may negatively impact on cancer immunosurveillance mechanisms. To investigate the risk of cancer in psoriasis patients treated with biologic therapy we searched Medline, Embase, and the Cochrane Library (up to August 2016) for randomized control trials, prospective cohort studies and systematic reviews that reported cancer incidence in people exposed to biologic therapy for psoriasis compared to a control population...
July 19, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28722123/value-of-biomarkers-in-the-prevention-of-rheumatoid-arthritis
#8
A Finckh, D Alpizar-Rodriguez, P Roux-Lombard
Recent diagnostic advances allow to identify persons in a pre-symptomatic stage of rheumatoid arthritis (RA), opening the way for a preventive therapeutic intervention, which may potentially be curative. We review and discuss existing biomarkers predictive of future onset of RA. A responsible use of biomarkers in clinical settings will require an integration of blood-based tests, imaging techniques, clinical history, environmental risk factors, and family history.
July 19, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28721682/lncrna-zfas1-promotes-cell-migration-and-invasion-of-fibroblast-like-synoviocytes-by-suppression-of-mir-27a-in-rheumatoid-arthritis
#9
Yang Ye, Xiaomei Gao, Nanping Yang
Rheumatoid arthritis (RA) is a systemic and chronic inflammatory disease. Synoviocyte migration and invasion were found to be essential to the pathology of RA. Upregulation of long noncoding RNA ZFAS1 has been observed in cancers and promotes cell migration and invasion. To date, the functions and mechanisms of ZFAS1 in RA have not been revealed. In this study, we analyzed expression pattern of ZFAS1 in RA patients and found that ZFAS1 expression was increased in synovial tissue and fibroblast-like synoviocytes (FLS) from RA patients (RA-FLS) compared with that in healthy donors...
July 18, 2017: Human Cell
https://www.readbyqxmd.com/read/28721679/phytochemicals-as-potential-antidotes-for-targeting-nf-%C3%AE%C2%BAb-in-rheumatoid-arthritis
#10
REVIEW
R Kowshik Aravilli, S Laveen Vikram, V Kohila
Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune destructive arthropathy prevalent among people in the age group of 40-70 years. RA induces severe pain, swelling and stiffness of joints resulting in bone damage. RA leads to reduced life expectancy when left untreated. RA is characterized by synovial hyperplasia, infiltration of inflammatory cells resulting in formation of pannus. Synovial hyperplasia is mediated by proinflammatory cytokines, notably IL-1 and TNF-α. NF-κB is a predominant transcription factor in amplifying the inflammatory response...
August 2017: 3 Biotech
https://www.readbyqxmd.com/read/28721628/disease-activity-handgrip-strengths-and-hand-dexterity-in-patients-with-rheumatoid-arthritis
#11
D Palamar, G Er, R Terlemez, I Ustun, G Can, M Saridogan
Rheumatoid arthritis (RA) is a chronic inflammatory disease affecting the hand joints and leading to impairment in hand functions. Evaluation of functional impairment is necessary for assessing patient's quality of life, disease activity, and treatment outcome. To date, many scientific studies assessed the disease activity of patients with RA, but little attention has been carried out to assess these patients' hand functions and dexterity. The purposes of this study were to determine the clinical relevance of the Quick Disabilities of the Arm, Shoulder, and Hand (QuickDASH), hand dexterity with the Purdue Pegboard Test (PPT), and handgrip strength and pinch strengths of RA patients and to look into their relation between each other...
July 18, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28721601/high-survivorship-and-few-complications-with-cementless-total-wrist-arthroplasty-at-a-mean-followup-of-9-years
#12
Joseph A Gil, Robin N Kamal, Eugene Cone, Arnold-Peter C Weiss
BACKGROUND: Total wrist arthroplasty (TWA) has been described as traditionally being performed with fixation in the radius and carpus with cement. The TWA implant used in our series has been associated with promising results in studies with up to 6 years followup; however, studies evaluating survivorship, pain, and function with this implant are limited. QUESTION/PURPOSE: (1) To report ROM and pain scores after wrist reconstruction with cementless fourth-generation TWA at a mean followup of 9 years (range, 4...
July 18, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28721016/a-review-of-the-literature-analyzing-benefits-and-concerns-of-infliximab-biosimilar-ct-p13-for-the-treatment-of-rheumatologic-diseases-focus-on-interchangeability
#13
REVIEW
Andrea Becciolini, Maria Gabriella Raimondo, Chiara Crotti, Elena Agape, Martina Biggioggero, Ennio Giulio Favalli
The introduction of biological agents drastically changed the treatment paradigm of inflammatory arthritides, ameliorating the natural history of the diseases but concomitantly increasing the drug costs due to the manufacturing process. On this concern, biosimilar drugs may represent a valid option for reducing this elevated cost and increasing the availability of these highly effective treatments. Recently, CT-P13, the first biosimilar of infliximab, has been approved with the same indications established for the reference product (RP), and its daily use is progressively increasing...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28720503/discovery-of-3-morpholino-imidazole-1-5-a-pyrazine-btk-inhibitors-for-rheumatoid-arthritis
#14
Sobhana Babu Boga, Abdul-Basit Alhassan, Jian Liu, Deodial Guiadeen, Arto Krikorian, Xiaolei Gao, James Wang, Younong Yu, Rajan Anand, Shilan Liu, Chundao Yang, Hao Wu, Jiaqiang Cai, Hugh Zhu, Jagdish Desai, Kevin Maloney, Ying-Duo Gao, Thierry O Fischmann, Jeremy Presland, My Mansueto, Zangwei Xu, Erica Leccese, Ian Knemeyer, Charles G Garlisi, Nathan Bays, Peter Stivers, Philip E Brandish, Alexandra Hicks, Alan Cooper, Ronald M Kim, Joseph A Kozlowski
8-Amino-imidazo[1,5-a]pyrazine-based Bruton's tyrosine kinase (BTK) inhibitors, such as 6, exhibited potent inhibition of BTK but required improvements in both kinase and hERG selectivity (Liu et al., 2016; Gao et al., 2017). In an effort to maintain the inhibitory activity of these analogs and improve their selectivity profiles, we carried out SAR exploration of groups at the 3-position of pyrazine compound 6. This effort led to the discovery of the morpholine group as an optimized pharmacophore. Compounds 13, 23 and 38 displayed excellent BTK potencies, kinase and hERG selectivities, and pharmacokinetic profiles...
March 18, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28720138/plantar-plate-pathology-is-associated-with-erosive-disease-in-the-painful-forefoot-of-patients-with-rheumatoid-arthritis
#15
Heidi J Siddle, Richard J Hodgson, Elizabeth M A Hensor, Andrew J Grainger, Anthony C Redmond, Richard J Wakefield, Philip S Helliwell
BACKGROUND: Disease-related foot pathology is recognised to have a significant impact on mobility and functional capacity in the majority of patients with rheumatoid arthritis (RA). The forefoot is widely affected and the metatarsophalangeal (MTP) joints are the most common site of symptoms. The plantar plates are the fibrocartilaginous distal attachments of the plantar fascia inserting into the five proximal phalanges. Together with the transverse metatarsal ligament they prevent splaying of the forefoot and subluxation of the MTP joints...
July 18, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28720131/anti-arthritic-activity-of-aqueous-methanolic-extract-and-various-fractions-of-berberis-orthobotrys-bien-ex-aitch
#16
Alamgeer, Ambreen Malik Uttra, Umme Habiba Hasan
BACKGROUND: The roots and stem bark of Berberis orthobotrys (Berberidaceae) have long been used traditionally to treat joint pain. Though, it has not been pharmacologically assessed for rheumatoid arthritis. The current study explores anti-arthritic activity and phytochemical analysis of aqueous-methanolic extract (30:70) and fractions (ethyl acetate, n-butanol, and aqueous) of Berberis orthobotrys roots. METHODS: Anti-arthritic potential was evaluated in vitro using protein denaturation (bovine serum albumin and egg albumin) and membrane stabilization methods at 12...
July 18, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28720095/fibrocyte-measurement-in-peripheral-blood-correlates-with-number-of-cultured-mature-fibrocytes-in-vitro-and-is-a-potential-biomarker-for-interstitial-lung-disease-in-rheumatoid-arthritis
#17
Søren Andreas Just, Hanne Lindegaard, Eva Kildall Hejbøl, Jesper Rømhild Davidsen, Niels Bjerring, Søren Werner Karlskov Hansen, Henrik Daa Schrøder, Inger Marie Jensen Hansen, Torben Barington, Christian Nielsen
BACKGROUND: Interstitial lung disease (ILD) can be a severe extra-articular disease manifestation in Rheumatoid Arthritis (RA). A potential role of fibrocytes in RA associated ILD (RA-ILD) has not previously been described. We present a modified faster method for measuring circulating fibrocytes, without intracellular staining. The results are compared to the traditional culture method, where the number of monocytes that differentiate into mature fibrocytes in vitro are counted. The results are following compared to disease activity in patients with severe asthma, ILD, RA (without diagnosed ILD) and RA with verified ILD (RA-ILD)...
July 18, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28719732/genome-wide-association-meta-analysis-reveals-novel-juvenile-idiopathic-arthritis-susceptibility-loci
#18
Laura A McIntosh, Miranda C Marion, Marc Sudman, Mary E Comeau, Mara L Becker, John F Bohnsack, Tasha E Fingerlin, Thomas A Griffin, J Peter Haas, Daniel J Lovell, Lisa A Maier, Peter A Nigrovic, Sampath Prahalad, Marilynn Punaro, Carlos D Rosé, Carol A Wallace, Carol A Wise, Halima Moncrieffe, Timothy D Howard, Carl D Langefeld, Susan D Thompson
OBJECTIVE: Juvenile idiopathic arthritis (JIA) is the most common childhood rheumatic disease and has a strong genomic component. To date, JIA genetic association studies have had limited sample sizes, used heterogeneous patient populations, or included only candidate regions. This study focuses on identifying new associations among oligoarticular and polyarticular rheumatoid factor negative (RF(-) ) JIA, which are clinically similar and the most prevalent JIA disease subtypes. METHODS: Three cohorts totaling 2,751 oligoarticular and polyarticular RF(-) JIA cases were genotyped on the Affymetrix Genome-Wide SNP Array 6...
July 18, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28719435/leukocytoclastic-vasculitis-and-dermal-perivascular-hemophagocytosis-associated-with-adalimumab-therapy-for-rheumatoid-arthritis
#19
Jun Muto, Jun Usami, Daisuke Watanabe
Tumor necrosis factor (TNF)-α inhibitors target TNF-α to effectively treat autoimmune inflammatory conditions, such as rheumatoid arthritis. However, many cases of cutaneous and systemic vasculitis related to TNF-α inhibitors have been reported in the literature. Here, the authors report the first case of a 61-year-old Japanese woman who developed leukocytoclastic vasculitis with cutaneous perivascular hemophagocytosis, which was related to elevated cytokines and immune complexes after initiating adalimumab for rheumatoid arthritis without evidence of hemophagocytic syndrome and rarely encountered in the skin...
July 14, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28718769/pesticide-exposure-and-risk-of-rheumatoid-arthritis-among-licensed-male-pesticide-applicators-in-the-agricultural-health-study
#20
Armando Meyer, Dale P Sandler, Laura E Beane Freeman, Jonathan N Hofmann, Christine G Parks
BACKGROUND: The occupation of farming has been associated with rheumatoid arthritis (RA); pesticides may account for this association, but there are few studies. OBJECTIVES: We investigated associations between RA and use of pesticides in the Agricultural Health Study. METHODS: The study sample was drawn from male pesticide applicators enrolled in 1993-1997 who provided questionnaire data at baseline and at least once during follow-up (over a median 18 y; interquartile range 16-19)...
July 14, 2017: Environmental Health Perspectives
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