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https://www.readbyqxmd.com/read/28230336/the-endothelial-border-to-health-mechanistic-evidence-of-the-hyperglycemic-culprit-of-inflammatory-disease-acceleration
#1
REVIEW
Nina Waerling Hansen, Anker Jon Hansen, Anette Sams
The endothelial cell (EC) layer constitutes a barrier that controls movements of fluid, solutes and cells between blood and tissue. Further, the endothelial layer regulates vascular tone and directs local humoral and cellular inflammatory processes. The strategic position makes it an important player for maintenance of health and for development of a number of diseases. Endothelial dysfunction is known to be an important component of type 2 diabetes, but is also assumed to be involved in many other diseases, for example, rheumatoid arthritis, inflammatory bowel disease, asthma, and cardiovascular diseases...
March 2017: IUBMB Life
https://www.readbyqxmd.com/read/28230269/antigenic-burden-and-serum-igg-concentrations-influence-rituximab-pharmacokinetics-in-rheumatoid-arthritis-patients
#2
Bertrand Lioger, Soujanya Ratna Edupuganti, Denis Mulleman, Christophe Passot, Céline Desvignes, Théodora Bejan-Angoulvant, Gilles Thibault, Valérie Gouilleux-Gruart, Julien Mélet, Gilles Paintaud, David Ternant
AIMS: Rituximab is a monoclonal antibody directed against CD20, which is approved in rheumatoid arthritis (RA). This study aimed at assessing the influence of CD19+ cell counts as target-antigen amount, and of immunoglobulin G (IgG) serum concentrations on rituximab pharmacokinetics in RA patients. METHODS: In a cohort of 64 RA patients who had received repetitive courses of rituximab, the influence of CD19+ cell count, IgG serum concentration, body surface area (BSA), sex, and disease activity score in 28 joints (DAS28) on rituximab pharmacokinetic parameters was assessed using a population pharmacokinetic analysis...
February 23, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28230210/synergistic-suppression-of-autoimmune-arthritis-through-concurrent-treatment-with-tolerogenic-dc-and-msc
#3
Rong Li, Yujuan Zhang, Xiufen Zheng, Shanshan Peng, Keng Yuan, Xusheng Zhang, Weiping Min
Rheumatoid arthritis (RA) is an autoimmune disease characterized by progressive immune-mediated joint deterioration. Current treatments are not antigen specific and are associated with various adverse. We have previously demonstrated that tolerogenic dendritic cells (Tol-DC) are potent antigen-specific immune regulators, which hold great promise in immunotherapy of autoimmune diseases. In this study, we aimed to develop new immunotherapy by combining Tol-DC and mesenchymal stem cells (MSC). We demonstrated that RelB gene silencing resulted in generation of Tol-DC that suppressed T cell responses and selectively promoted Treg generation...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28229817/choice-of-second-biologic-in-rheumatoid-arthritis-patients-with-inadequate-response-to-initial-anti-tnf
#4
Prateek C Gandiga, Michael D George, Joshua F Baker
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February 22, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28229812/successful-extension-of-tocilizumab-infusion-intervals-from-4-weeks-to-6-or-5-weeks-in-90-of-ra-patients-with-good-response-to-4-week-intervals
#5
Osamu Saiki, Hiroshi Uda
OBJECTIVES: A period of 4 weeks (w) has been recommended as the interval between tocilizumab (TCZ) infusions for rheumatoid arthritis (RA). However, treating the patients with TCZ (8 mg/kg), we experienced that longer intervals were also effective. We conducted the study to investigate whether the intervals of TCZ infusions could extend from 4w to 5 or 6w. METHODS: This was a retrospective observational study. RA patients who had shown good response to TCZ infusions at 4w intervals were enrolled, and the intervals of TCZ infusions were extended to 5w...
February 20, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28229811/patient-phenotypes-in-fibromyalgia-comorbid-with-systemic-sclerosis-or-rheumatoid-arthritis-influence-of-diagnostic-and-screening-tests-screening-with-the-first-questionnaire-diagnosis-with-the-acr1990-and-revised-acr-2010-criteria
#6
Serge Perrot, Mariana Peixoto, Philippe Dieudé, Eric Hachulla, Jerome Avouac, Sebastien Ottaviani, Yannick Allanore
OBJECTIVES: Fibromyalgia (FM) may occur with rheumatoid arthritis (RA) and systemic sclerosis (SSc), and debate remains about its diagnosis. We aimed to use three FM tools (a screening tool (FiRST), diagnostic criteria (ACR 1990 and revised 2010), to compare FM prevalence between RA and SSc patients, to describe the phenotypes of patients with comorbid FM, and to analyze links between FM and secondary Sjögren's syndrome (SS). METHODS: Consecutive adult patients with confirmed RA or SSc from four university hospitals were tested with the three FM tools...
February 8, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28229293/age-related-hearing-loss-and-dementia-a-10-year-national-population-based-study
#7
Peijen Su, Chih-Chao Hsu, Hung-Ching Lin, Wei-Shin Huang, Tsung-Lin Yang, Wei-Ting Hsu, Cheng-Li Lin, Chung-Yi Hsu, Kuang-Hsi Chang, Yi-Chao Hsu
Age-related hearing loss (ARHL) is postulated to affect dementia. Our study aims to investigate the relationship between ARHL and the prevalence, and 10-year incidence of dementia in the Taiwan National Health Insurance Research Database (NHIRD). We selected patients diagnosed with ARHL from the NHIRD. A comparison cohort comprising of patients without ARHL was frequency-matched by age, sex, and co-morbidities, and the occurrence of dementia was evaluated in both cohorts. The ARHL cohort consisted of 4108 patients with ARHL and the control cohort consisted of 4013 frequency-matched patients without ARHL...
February 22, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28228280/autocrine-loop-involving-il-6-family-member-lif-lif-receptor-and-stat4-drives-sustained-fibroblast-production-of-inflammatory-mediators
#8
Hung N Nguyen, Erika H Noss, Fumitaka Mizoguchi, Christine Huppertz, Kevin S Wei, Gerald F M Watts, Michael B Brenner
Fibroblasts are major contributors to and regulators of inflammation and dominant producers of interleukin-6 (IL-6) in inflammatory diseases like rheumatoid arthritis. Yet, compared to leukocytes, the regulation of inflammatory pathways in fibroblasts is largely unknown. Here, we report that analyses of genes coordinately upregulated with IL-6 pointed to STAT4 and leukemia inhibitory factor (LIF) as potentially linked. Gene silencing revealed that STAT4 was required for IL-6 transcription. STAT4 was recruited to the IL-6 promoter after fibroblast activation, and LIF receptor (LIFR) and STAT4 formed a molecular complex that, together with JAK1 and TYK2 kinases, controlled STAT4 activation...
February 21, 2017: Immunity
https://www.readbyqxmd.com/read/28228278/immunopathogenesis-of-rheumatoid-arthritis
#9
REVIEW
Gary S Firestein, Iain B McInnes
Rheumatoid arthritis (RA) is the most common inflammatory arthropathy. The majority of evidence, derived from genetics, tissue analyses, models, and clinical studies, points to an immune-mediated etiology associated with stromal tissue dysregulation that together propogate chronic inflammation and articular destruction. A pre-RA phase lasting months to years may be characterized by the presence of circulating autoantibodies, increasing concentration and range of inflammatory cytokines and chemokines, and altered metabolism...
February 21, 2017: Immunity
https://www.readbyqxmd.com/read/28228044/withaferin-a-protects-against-spinal-cord-injury-by-inhibiting-apoptosis-and-inflammation-in-mice
#10
Xianlei Yan, Guangxiang Huang, Quan Liu, Jiemin Zheng, Hongmou Chen, Qidan Huang, Jiakang Chen, Heqing Huang
CONTEXT: Withaferin A (WFA) exhibits diverse pharmaceutical applications on human diseases, including rheumatoid arthritis, cancers and microbial infection. OBJECTIVE: We evaluated the neuroprotective role of WFA using a mouse model of spinal cord injury (SCI). MATERIALS AND METHODS: BALB/c mice were administrated 10 mg/kg of WFA. Gene expression was measured by real-time PCR, western blot and immunohistochemistry. Cell morphology and apoptosis were determined by H&E staining and TUNEL assay...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28227413/segmentation-of-the-metacarpus-and-phalange-in-musculoskeletal-ultrasound-images-using-local-active-contours
#11
Nelson Martins, Malik Saad Sultan, Diana Veiga, Manuel Ferreira, Miguel Coimbra, Nelson Martins, Malik Saad Sultan, Diana Veiga, Manuel Ferreira, Miguel Coimbra, Diana Veiga, Nelson Martins, Malik Saad Sultan, Miguel Coimbra, Manuel Ferreira
This work presents a method for the automatic segmentation of metacarpus and phalange bones in ultrasound images of the second metacarpophalangeal joint (MCPJ) using Active Contours. The MCPJ is known to be the one of the first structures to be affected by rheumatic diseases like rheumatoid arthritis. The early detection and follow-up of this disease is important to prevent irreversible damage of the joints, which occurs continuously and faster if no treatment is used. To our knowledge, there is no automatic system to quantify the extension of the lesions resulting from rheumatic activity...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225768/anti-rheumatic-treatment-is-not-associated-with-reduction-of-pentraxin-3-in-rheumatoid-arthritis-psoriatic-arthritis-and-ankylosing-spondylitis
#12
Gia Deyab, Ingrid Hokstad, Jon Elling Whist, Milada Cvancarova Småstuen, Stefan Agewall, Torstein Lyberg, Barbara Bottazzi, Pier Luigi Meroni, Roberto Leone, Gunnbjorg Hjeltnes, Ivana Hollan
BACKGROUND: Pentraxin 3 is proposed to be a marker of inflammation and cardiovascular risk, but its role in inflammatory rheumatic diseases (IRDs) is still uncertain. Therefore, we wanted to examine if anti-rheumatic treatment reduced serum PTX3 (s-PTX3) levels in IRDs, and if s-PTX3 levels were related to other markers of inflammation and to endothelial function (EF). METHODS: We examined s-PTX3, EF and established inflammatory biomarkers in 114 IRD patients from the PSARA study before and after 6 weeks and 6 months of treatment with methotrexate (MTX) or anti-tumor necrosis factor alpha (anti-TNF) therapy with or without MTX co-medication...
2017: PloS One
https://www.readbyqxmd.com/read/28225518/refractory-rheumatoid-arthritis-and-associated-interstitial-lung-disease-could-abatacept-be-the-answer
#13
Weiyu Ye, Maeve C Fifield, Andrew J K Östör
No abstract text is available yet for this article.
March 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/28225071/resolution-of-tlr2-induced-inflammation-through-manipulation-of-metabolic-pathways-in-rheumatoid-arthritis
#14
Trudy McGarry, Monika Biniecka, Wei Gao, Deborah Cluxton, Mary Canavan, Siobhan Wade, Sarah Wade, Lorna Gallagher, Carl Orr, Douglas J Veale, Ursula Fearon
During inflammation, immune cells activated by toll-like receptors (TLRs) have the ability to undergo a bioenergetic switch towards glycolysis in a manner similar to that observed in tumour cells. While TLRs have been implicated in the pathogenesis of rheumatoid arthritis (RA), their role in regulating cellular metabolism in synovial cells, however, is still unknown. In this study, we investigated the effect of TLR2-activation on mitochondrial function and bioenergetics in primary RA-synovial fibroblast cells (RASFC), and further determined the role of glycolytic blockade on TLR2-induced inflammation in RASFC using glycolytic inhibitor 3-(3-pyridinyl)-1-(4-pyridinyl)-2-propen-1-one (3PO)...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28224284/complementary-and-alternative-medicine-use-in-rheumatoid-arthritis-considerations-for-the-pharmacological-management-of-elderly-patients
#15
REVIEW
Sizheng Zhao, Fred Otieno, Asan Akpan, Robert J Moots
Complementary and alternative medicines (CAMs) are widely used by patients with rheumatoid arthritis (RA); however, a significant proportion of these patients do not inform their physicians. This has many potential implications in a group of predominantly elderly patients with altered pharmacokinetics, comorbidities and polypharmacy of potentially toxic drugs. CAM usage may affect compliance and pharmacokinetics of conventional therapy for RA and comorbidities; therefore, physicians should engage patients in dialogues regarding CAM usage...
February 21, 2017: Drugs & Aging
https://www.readbyqxmd.com/read/28223750/tumor-necrosis-factor-alpha-blocker-induced-erythrodermic-sarcoidosis-in-with-juvenile-rheumatoid-arthritis-a-case-report-and-review-of-the-literature
#16
Su-Kyung Park, Pyung-Han Hwang, Seok-Kweon Yun, Han-Uk Kim, Jin Park
The development of cutaneous sarcoidosis as a paradoxical adverse event of tumor necrosis factor alpha (TNF-α) blockers has been reported in the literature; however, an erythrodermic form of cutaneous sarcoidosis during anti-TNF-α therapy has not yet been reported. Herein, we report the first case of an erythrodermic form of cutaneous sarcoidosis during anti-TNF-α therapy and review previous studies of cutaneous sarcoidosis. A 6-year-old Korean girl who had been suffering from juvenile rheumatoid arthritis presented with generalized erythematous skin eruption involving more than about 90% of her body surface area...
February 2017: Annals of Dermatology
https://www.readbyqxmd.com/read/28223263/apps-for-people-with-rheumatoid-arthritis-to-monitor-their-disease-activity-a-review-of-apps-for-best-practice-and-quality
#17
Rebecca Grainger, Hermaleigh Townsley, Bonnie White, Tobias Langlotz, William J Taylor
BACKGROUND: Rheumatoid arthritis (RA) is a chronic inflammatory arthritis requiring long-term treatment with regular monitoring by a rheumatologist to achieve good health outcomes. Since people with RA may wish to monitor their own disease activity with a smartphone app, it is important to understand the functions and quality of apps for this purpose. OBJECTIVE: The aim of our study was to assess the features and quality of apps to assist people to monitor their RA disease activity by (1) summarizing the available apps, particularly the instruments used for measurement of RA disease activity; (2) comparing the app features with American College of Rheumatology and European League against Rheumatism (ACR and EULAR) guidelines for monitoring of RA disease activity; and (3) rating app quality with the Mobile App Rating Scale (MARS)...
February 21, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28223071/therapeutic-antibody-targeting-of-indoleamine-2-3-dioxygenase-ido2-inhibits-autoimmune-arthritis
#18
Lauren M F Merlo, Samantha Grabler, James B DuHadaway, Elizabeth Pigott, Kaylend Manley, George C Prendergast, Lisa D Laury-Kleintop, Laura Mandik-Nayak
Rheumatoid arthritis (RA) is a debilitating inflammatory autoimmune disease with no known cure. Recently, we identified the immunomodulatory enzyme indoleamine-2,3-dioxygenase 2 (IDO2) as an essential mediator of autoreactive B and T cell responses driving RA. However, therapeutically targeting IDO2 has been challenging given the lack of small molecules that specifically inhibit IDO2 without also affecting the closely related IDO1. In this study, we develop a novel monoclonal antibody (mAb)-based approach to therapeutically target IDO2...
February 18, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28222785/tcd4-pos-lymphocytosis-in-rheumatoid-and-psoriatic-arthritis-patients-following-tnf%C3%AE-blocking-agents
#19
Andrea Picchianti Diamanti, Bruno Laganà, Maria Christina Cox, Emanuela Pilozzi, Rachele Amodeo, Maurizio Bove, Milica Markovic, Roberta Di Rosa, Simonetta Salemi, Maria Laura Sorgi, Maria Manuela Rosado, Raffaele D'Amelio
BACKGROUND: Lymphocyte expansion and true lymphocytosis are commonly observed in the everyday clinical practice. The meaning of such phenomenon is often poorly understood so that discrimination between benign and malignant lymphocytosis remains difficult to establish. This is mainly true when lymphocytosis rises in patients affected by immune-mediated chronic inflammatory diseases under immunosuppressive treatment, conditions potentially associated with lymphomagenesis. In this brief report the development of mild T CD4(pos) lymphocytosis in a group of patients with chronic arthritis under anti-TNF-α treatment is described...
February 21, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28222760/tlr4-rs41426344-increases-susceptibility-of-rheumatoid-arthritis-ra-and-juvenile-idiopathic-arthritis-jia-in-a-central-south-chinese-han-population
#20
Yan Wang, Lianghui Chen, Fang Li, Meihua Bao, Jie Zeng, Ju Xiang, Huaiqing Luo, Jianming Li, Liang Tang
BACKGROUND: The aim of the study was to determine whether polymorphisms in toll-like receptor 4 (TLR4) confer susceptibility to rheumatoid arthritis (RA) and juvenile idiopathic arthritis (JIA) in a central south Chinese Han population. METHODS: Genotyping for six well studied polymorphisms (rs4986790, rs4986791, rs10759932, rs41426344, rs11536889 and rs7873784) in TLR4 gene were conducted in 1074 unrelated patients with RA and 1692 healthy control subjects, as well as in 217 unrelated patients with JIA and 378 healthy control subjects using direct sequencing technique...
February 21, 2017: Pediatric Rheumatology Online Journal
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