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https://www.readbyqxmd.com/read/28324619/identification-of-a-herv-k-env-surface-peptide-highly-recognized-in-ra-patients-a-cross-sectional-case-control-study
#1
G Mameli, G L Erre, E Caggiu, S Mura, D Cossu, Marco Bo, M L Cadoni, A Piras, N Mundula, E Colombo, G Buscetta, G Passiu, L A Sechi
Endogenous Retroviruses (HERV) are believed to be pathogenic in several autoimmune diseases. Among them, HERV-K viruses have been recently reported to be involved in the pathogenesis of rheumatoid arthritis (RA). In this study we have explored the role of humoral immune response against HERV-K as a potential pathogenetic mechanism in RA. Four different peptides from the extracellular portion of the env protein of HERV-K (env-su 19-37 , env-su 109-26 , env-su 164-186 , env-su 209-226 ) were selected by bioinformatic analysis on the basis of their putative immunogenicity...
March 21, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28324194/sex-differences-in-the-blood-concentration-of-tacrolimus-in-systemic-lupus-erythematosus-and-rheumatoid-arthritis-patients-with-cyp3a5-3-3
#2
Ayano Ito, Yuko Okada, Tadahiro Hashita, Tohru Aomori, Keiju Hiromura, Yoshihisa Nojima, Tomonori Nakamura, Takuya Araki, Koujirou Yamamoto
The purpose of this study was to describe the impact of sex and cytochrome P450 3A5 (CYP3A5) variant on the blood concentration of tacrolimus in patients with systemic lupus erythematosus or rheumatoid arthritis. The blood concentration of tacrolimus (ng/mL) divided by the daily dose of tacrolimus (mg/day) and the patient's weight (kg) (C/D) was obtained from 55 patients. The C/D value was analysed according to genetic variation in CYP3A5 or ATP binding cassette subfamily B member 1 (ABCB1), sex, and age. The C/D value in the CYP3A5*3/*3 group was significantly higher than in the CYP3A5*1/*1 and *1/*3 groups (p < 0...
March 21, 2017: Biochemical Genetics
https://www.readbyqxmd.com/read/28324149/-outpatient-care-and-disease-burden-of-rheumatoid-arthritis-results-of-a%C3%A2-linkage-of-claims-data-and-a%C3%A2-survey-of-insured-persons
#3
K Albrecht, A Luque Ramos, J Callhoff, F Hoffmann, K Minden, A Zink
BACKGROUND: Healthcare of patients with rheumatoid arthritis (RA) in Germany has mainly been evaluated in the past in RA cohorts from specialized arthritis centers. This study investigated rheumatological care on a population basis, using claims data from a nationwide statutory health insurance fund (BARMER GEK) in combination with patient-reported outcomes from a questionnaire survey of insured persons with RA. METHODS: Data from insurants aged 18-79 years with M05 (seropositive RA) or M06 (other RA, ICD-10) diagnoses were analyzed concerning diagnostics, medication and prescribing physician...
March 21, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28324148/comparative-efficacy-and-tolerability-of-sarilumab-150-and-200%C3%A2-mg-in-patients-with-active-rheumatoid-arthritis-a%C3%A2-bayesian-network-meta-analysis-of-randomized-controlled-trials
#4
S-C Bae, Y H Lee
OBJECTIVE: This study aimed to assess the relative efficacy and tolerability of every other week (q2w) dosing of sarilumab 150 and 200 mg in patients with active rheumatoid arthritis (RA). METHODS: In this network meta-analysis, randomized controlled trials (RCTs) examining the efficacy and tolerability of sarilumab in patients with active RA were included. A Bayesian network meta-analysis was conducted to combine the direct and indirect evidence from the RCTs...
March 21, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28324133/foot-health-in-patients-with-rheumatoid-arthritis-a-scoping-review
#5
REVIEW
Minna Stolt, Riitta Suhonen, Helena Leino-Kilpi
Rheumatoid arthritis affects joints and can cause significant impairments in daily life. The foot is often the first site of symptoms and foot problems are strongly related to RA. The aim of this review was, therefore, to describe foot health in patients with rheumatoid arthritis and to identify how patients perform foot self-care. With this knowledge interventions to support foot health and functional ability in RA patients can be developed. The design of the review was a scoping review. A systematic literature search of three electronic databases, MEDLINE, CINAHL and Embase, was conducted in June 2016...
March 21, 2017: Rheumatology International
https://www.readbyqxmd.com/read/28324010/separating-the-anti-inflammatory-and-diabetogenic-effects-of-glucocorticoids-through-lxr%C3%AE-antagonism
#6
Rucha Patel, Lilia Magomedova, Ricky Tsai, Stéphane Angers, Arturo Orellana, Carolyn L Cummins
Synthetic glucocorticoids (GCs) including dexamethasone (DEX) are powerful anti-inflammatory drugs. Long-term use of GCs, however, can result in metabolic side effects such as hyperglycemia, hepatosteatosis, and insulin resistance. The glucocorticoid receptor (GR) and liver X receptors (LXRα and LXRβ) regulate overlapping genes involved in gluconeogenesis and inflammation. We have previously shown that Lxrβ-/- mice are resistant to the diabetogenic effects of DEX, but still sensitive to its immunosuppressive actions...
January 27, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323906/flt-1-gene-polymorphisms-and-protein-expression-profile-in-rheumatoid-arthritis
#7
Agnieszka Paradowska-Gorycka, Anna Sowinska, Andrzej Pawlik, Damian Malinowski, Barbara Stypinska, Ewa Haladyj, Katarzyna Romanowska-Prochnicka, Marzena Olesinska
OBJECTIVES: Inflammation and angiogenesis are a significant element of pathogenesis in rheumatoid arthritis (RA). The FLT-1- triggering factor for production of proinflammatory cytokines-might contributes to inflammation in patients with RA. Association of the FLT-1 polymorphisms with different "angiogenic diseases" suggests that it may be a novel genetic risk factor also for RA. The aim of the study was to identify FLT-1 genetic variants and their possible association with sFLT-1 levels, susceptibility to and severity of RA...
2017: PloS One
https://www.readbyqxmd.com/read/28320050/the-practice-pattern-of-hepatitis-b-testing-in-rheumatoid-arthritis-patients-a-cross-national-comparison-between-us-and-taiwan
#8
Tzu-Chieh Lin, Nikroo Hashemi, Seoyoung C Kim, Yea-Huei Kao Yang, Kazuki Yoshida, Sara Tedeschi, Rishi Desai, Daniel H Solomon
OBJECTIVE: The Hepatitis B Virus (HBV) testing rates and patterns in rheumatoid arthritis (RA) patients starting disease modifying anti-rheumatic drugs (DMARDs) have not been well studied. We describe and compare the practice patterns of HBV testing among RA patients in U.S. and Taiwan. METHODS: We conducted a retrospective cohort study including RA patients starting first DMARD in U.S. or Taiwan. The first date patients newly received any DMARD was defined as the index date, and the 1-year period before the index date was the baseline period...
March 20, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28319657/risk-of-autism-spectrum-disorders-in-children-born-to-mothers-with-rheumatoid-arthritis-a-systematic-literature-review
#9
Sophie Wojcik, Sasha Bernatsky, Robert W Platt, Christian A Pineau, Ann E Clarke, Éric Fombonne, Anick Bérard, Évelyne Vinet
OBJECTIVE: Recent evidence suggests in utero exposure to maternal antibodies and cytokines as important risk factors for autism spectrum disorders (ASD). We aimed to systematically review the risk of ASD in children born to mothers with rheumatoid arthritis (RA) compared to children born to mothers without RA. METHODS: We conducted a systematic review of original articles using electronic databases: PubMed, EMBase, and Web of Science. RESULTS: Our literature search identified a total of 70 articles...
March 20, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28318613/latent-tuberculosis-infection-screening-prior-to-biological-treatment-in-tunisian-patients
#10
Marwa Slouma, Ines Mahmoud, Olfa Saidane, Selma Bouden, Leila Abdelmoula
OBJECTIVES: The screening of latent tuberculosis infection (LTBI) is necessary to prevent infection in patients with chronic inflammatory disease (CID) undergoing biological treatment. We aimed to assess the efficacy of LTBI screening prior to biological treatment in Tunisia, considered as a high-incidence area of active TB disease. METHODS: We conducted a retrospective study over a period of 8 years [2007-2014] including patients with chronic inflammatory rheumatism receiving biologic agents since at least 6 months...
February 24, 2017: Thérapie
https://www.readbyqxmd.com/read/28318085/inflammatory-double-hit-model-of-temporomandibular-joint-disorder-with-elevated-ccl2-cxcl9-cxcl10-rantes-and-behavioural-hypersensitivity-in-tnfr1-r2-mice
#11
S L McIlwrath, R Nesemeier, F Ma, H S Oz, L Zhang, K N Westlund
BACKGROUND: Patients with temporomandibular joint disorders (TMD), reactive arthritis and rheumatoid arthritis often have combined etiology of hereditary and microenvironmental factors contributing to joint pain. Multiple clinical and animal studies indicate 'double-hit' inflammatory insults can cause chronic inflammation. The first inflammatory insult primes the immune system and subsequent insults elicit amplified responses. The present 'double hit' study produced a chronic orofacial pain model in mice with genetic deletion of both TNFα receptors (TNFR1/R2-/-), investigating the main nociceptive signalling pathways in comparisons to wild type mice...
March 20, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28317489/ankylosing-spondylitis-and-pregnancy-a-literature-review
#12
Eirini Giovannopoulou, Grigorios Gkasdaris, Stylianos Kapetanakis, Emmanuel Kontomanolis
Ankylosing Spondylitis (AS) is the prototype of a group of systemic rheumatic diseases collectively referred to as Spondyloarthitides (SpA). It is has recently become clear that AS is not as rare as previously thought and, although it has an early onset in life affecting patients in their reproductive years, it has not been proved to adversely affect fertility in females. Furthermore, new pharmaceutical agents have been introduced for its therapeutical management. The interaction between systematic rheumatic diseases and pregnancy has been under investigation with the majority of studies focusing on systemic lupus erythematosus and rheumatoid arthritis (RA)...
March 17, 2017: Current Rheumatology Reviews
https://www.readbyqxmd.com/read/28317417/hepatoprotective-effect-of-stachys-pilifera-ethanol-extract-in-carbon-tetrachloride-induce-hepatotoxicity-in-rats
#13
Esmaeel Panahi Kokhdan, Kyomarth Ahmadi, Heibatollah Sadeghi, Hossein Sadeghi, Fahemeh Dadgary, Nazanin Danaei, Mahmoud Reza Aghamaali
CONTEXT: Stachys pilifera Benth (Lamiaceae) has long been used to treat infectious diseases, respiratory and rheumatoid disorders in Iranian folk medicine. Antitumor and antioxidant activity of the plant have been reported. OBJECTIVE: The study was designed to assess the hepatoprotective activity of ethanol extract of Stachys pilifera in carbon tetrachloride (CCl4)-induced hepatotoxicity in rats. MATERIALS AND METHODS: The rats were randomly divided into six equal groups (n = 7)...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28316886/identification-of-dysregulated-genes-in-rheumatoid-arthritis-based-on-bioinformatics-analysis
#14
Ruihu Hao, Haiwei Du, Lin Guo, Fengde Tian, Ning An, Tiejun Yang, Changcheng Wang, Bo Wang, Zihao Zhou
BACKGROUND: Rheumatoid arthritis (RA) is a chronic auto-inflammatory disorder of joints. The present study aimed to identify the key genes in RA for better understanding the underlying mechanisms of RA. METHODS: The integrated analysis of expression profiling was conducted to identify differentially expressed genes (DEGs) in RA. Moreover, functional annotation, protein-protein interaction (PPI) network and transcription factor (TF) regulatory network construction were applied for exploring the potential biological roles of DEGs in RA...
2017: PeerJ
https://www.readbyqxmd.com/read/28316377/comparative-expression-analyses-of-pro-versus-anti-inflammatory-mediators-within-synovium-of-patients-with-joint-trauma-osteoarthritis-and-rheumatoid-arthritis
#15
Mohammed A Al-Madol, Mohammed Shaqura, Thilo John, Rudolf Likar, Reham Said Ebied, Michael Schäfer, Shaaban A Mousa
Synovial injury and healing are complex processes including catabolic effects by proinflammatory cytokines and anabolic processes by anti-inflammatory mediators. Here we examined the expression of pro- versus anti-inflammatory mediators in synovium of patients with diagnostic arthroscopy (control), joint trauma (JT), osteoarthritis (OA), and rheumatoid arthritis (RA). Synovial samples from these patients were subjected to RT-PCR and double immunofluorescence confocal microscopy of pro- and anti-inflammatory mediators as well as immune cell markers...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28316374/the-role-of-il-17-and-related-cytokines-in-inflammatory-autoimmune-diseases
#16
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/28316139/changes-in-body-composition-and-metabolic-profile-during-interleukin-6-inhibition-in-rheumatoid-arthritis
#17
Anne Tournadre, Bruno Pereira, Fréderic Dutheil, Charlotte Giraud, Daniel Courteix, Vincent Sapin, Thomas Frayssac, Sylvain Mathieu, Sandrine Malochet-Guinamand, Martin Soubrier
BACKGROUND: Rheumatoid arthritis (RA) is a chronic inflammatory disease characterized by increased mortality associated with cardiometabolic disorders including dyslipidaemia, insulin resistance, and cachectic obesity. Tumour necrosis factor inhibitors and interleukin 6 receptor blocker licensed for the treatment of RA decrease inflammation and could thus improve cardiovascular risk, but their effects on body composition and metabolic profile need to be clarified. We investigated the effects of tocilizumab (TCZ), a humanized anti-interleukin 6 receptor antibody, on body composition and metabolic profile in patients treated for RA...
March 18, 2017: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/28315676/the-major-histocompatibility-complex-class-iii-haplotype-ltab-ncr3-regulates-adjuvant-induced-but-not-antigen-induced-autoimmunity
#18
Anthony C Y Yau, Jonatan Tuncel, Rikard Holmdahl
Rheumatoid arthritis is a complex disease associated with >100 risk loci, with the strongest association from the major histocompatibility complex (MHC) region. Here, we analyzed a new genetic association in the MHC class-III region (MHC-III) using adjuvant- and antigen-induced arthritis models. In addition, we used models for multiple sclerosis for comparison and dissected the MHC-III-mediated mechanisms of importance for antibody and T-cell responses to antigens. With the use of a panel of MHC-III recombinant inbred strains, we found that the 33-kb Ltab-Ncr3 haplotype in MHC-III was linked to the induction of arthritis with incomplete Freund's adjuvant, with similar effects in arthritis induced by several oil adjuvants (hexadecane, heptadecane, squalene, arlacel)...
March 15, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28314879/a-study-on-associations-of-single-nucleotide-polymorphisms-within-h19-and-hox-transcript-antisense-rna-hotair-with-genetic-susceptibility-to-rheumatoid-arthritis-in-a-chinese-population
#19
Jian-Zhe Zhou, Jing-Jing Li, Dong-Jin Hua, Si-Chao Huang, Qing-Qing Sun, Hua Huang, Xia-Fei Xin, Han Cen
OBJECTIVE: The purpose of our study was to examine whether the H19 rs2839698, rs217727, and HOX transcript antisense RNA (HOTAIR) rs12826786 polymorphisms were associated with genetic susceptibility to rheumatoid arthritis (RA) in a Chinese population. METHODS: A total of 777 participants were enrolled in this study, including 328 RA patients and 449 healthy controls. The H19 rs2839698, rs217727, and HOTAIR rs12826786 polymorphisms were detected by the ligase detection reaction-polymerase chain reaction (LDR-PCR) technology...
March 17, 2017: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/28314855/def6-restrains-osteoclastogenesis-and-inflammatory-bone-resorption
#20
Nikolaus Binder, Christine Miller, Masaki Yoshida, Kazuki Inoue, Shinichi Nakano, Xiaoyu Hu, Lionel B Ivashkiv, Georg Schett, Alessandra Pernis, Steven R Goldring, F Patrick Ross, Baohong Zhao
Inflammatory bone resorption mediated by osteoclasts is a major cause of morbidity and disability in many inflammatory disorders, including rheumatoid arthritis (RA). The mechanisms that regulate osteoclastogenesis and bone resorption in inflammatory settings are complex and have not been well elucidated. In this study, we identify the immunoregulator differentially expressed in FDCP 6 homolog (Def6) as a novel inhibitor of osteoclastogenesis in physiological and inflammatory conditions. Def6 deficiency in Def6(-/-) mice enhanced the sensitivity of osteoclast precursors to the physiological osteoclastogenic inducer receptor activator for NF-κB ligand, and Def6(-/-) osteoclasts formed actin rings...
March 17, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
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