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prevention rheumatoid arthritis

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https://www.readbyqxmd.com/read/28104368/interaction-of-capsaicin-with-calf-thymus-dna-a-multi-spectroscopic-and-molecular-modelling-study
#1
Faizan Abul Qais, K M Abdullah, Md Maroof Alam, Imrana Naseem, Iqbal Ahmad
Studying the mode of interaction between small molecules and DNA have received much attention in recent years, as many drugs have been reported to directly interact with DNA thereby regulating the expression of many genes. Capsaicin is a capsaiciniods family phytocompound having many therapeutic applications including diabetic neuropathy, rheumatoid arthritis, prevention of DNA strand breaks and chromosomal aberrations. In this study, we have investigated the interaction of capsaicin with calf thymus DNA using a number of biophysical techniques to get an insight and better understanding of the interaction mechanism...
January 16, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28101910/a-practical-approach-to-vaccination-of-patients-with-autoimmune-inflammatory-rheumatic-diseases-in-australia
#2
REVIEW
Peter Kk Wong, Hanish Bagga, Claire Barrett, Paddy Hanrahan, Doug Johnson, Amel Katrib, Karin Leder, Mona Marabani, Peta Pentony, John Riordan, Ray White, Laurel Young
Autoimmune inflammatory rheumatic diseases (AIIRD) such as rheumatoid arthritis (RA), psoriatic arthritis (PsA) and ankylosing spondylitis (AS) are often complicated by infection, which results in significant morbidity and mortality. The increased risk of infection is probably due to a combination of immunosuppressive effects of the AIIRD, comorbidities, and the use of immunosuppressive conventional synthetic disease modifying anti-rheumatic drugs (DMARDS) and more recently, targeted synthetic DMARDS and biologic DMARDS which block specific pro-inflammatory enzymes, cytokines or cell types...
January 19, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28099214/rheumatoid-arthritis-selecting-monotherapy-versus-combination-therapy
#3
Nimish Mehta, Lynne Kolton Schneider, Emilie McCardell
The overall goal of therapy for patients with rheumatoid arthritis (RA) is to achieve low disease activity or remission and to prevent or control joint damage, prevent loss of function, and decrease pain. However, many patients with RA do not have the disease adequately controlled, and only a minority attain consistent remission. To successfully treat to target, rheumatologists need practical guidance to select monotherapy and combination therapy regimens based on available data. Differences in study design, dosing regimens, and data from defined and specific patient populations pose challenges to clinicians who treat patients with diverse characteristics and needs...
January 18, 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/28093980/emerging-advances-in-nanomedicine-as-a-nanoscale-pharmacotherapy-in-rheumatoid-arthritis-state-of-the-art
#4
Mahfoozur Rahman, Gajanand Sharma, Kanika Thakur, Firoz Anwar, O P Katare, Vijay G Goni, Vikas Kumar, Mazin A Zamzami, Sohail Akhter
There are several significant setbacks including limited bioavailability, high clearance, and further current therapies require higher and frequent dosing to gain desired therapeutic effects. Nanomedicines have been widely investigated for rheumatoid arthritis (RA). Though, higher doses also increase the incidence of dreadful adverse effects. Further, nanocarrier properties are tuned by the use of different approaches like varied methods of loading, hydrophilic polymers and targeting ligands, to change the physicochemical properties including higher encapsulation, better penetrating ability to biological barriers, thus preventing the uptake of various nanocarriers by liver and spleen...
2017: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/28089982/fragility-fractures-are-associated-with-an-increased-risk-for-cardiovascular-events-in-women-and-men-with-rheumatoid-arthritis-a-population-based-study
#5
Orla Ni Mhuircheartaigh, Cynthia S Crowson, Sherine E Gabriel, Veronique L Roger, L Joseph Melton, Shreyasee Amin
OBJECTIVE: Women and men with rheumatoid arthritis (RA) have an increased risk for fragility fractures and cardiovascular disease (CVD), each of which has been reported to contribute to excess morbidity and mortality in these patients. Fragility fractures share similar risk factors for CVD but may occur at relatively younger ages in patients with RA. We aimed to determine whether a fragility fracture predicts the development of CVD in women and men with RA. METHODS: We studied a population-based cohort with incident RA from 1955 to 2007 and compared it with age- and sex-matched non-RA subjects...
January 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28081217/collective-genetic-interaction-effects-and-the-role-of-antigen-presenting-cells-in-autoimmune-diseases
#6
Hyung Jun Woo, Chenggang Yu, Jaques Reifman
Autoimmune diseases occur when immune cells fail to develop or lose their tolerance toward self and destroy body's own tissues. Both insufficient negative selection of self-reactive T cells and impaired development of regulatory T cells preventing effector cell activation are believed to contribute to autoimmunity. Genetic predispositions center around the major histocompatibility complex (MHC) class II loci involved in antigen presentation, the key determinant of CD4+ T cell activation. Recent studies suggested that variants in the MHC region also exhibit significant non-additive interaction effects...
2017: PloS One
https://www.readbyqxmd.com/read/28073956/the-effect-of-rheumatoid-arthritis-associated-autoantibodies-on-the-incidence-of-cardiovascular-events-in-a-large-inception-cohort-of-early-inflammatory-arthritis
#7
Lillian J Barra, Janet E Pope, Carol Hitchon, Gilles Boire, Orit Schieir, Daming Lin, Carter J Thorne, Diane Tin, Edward C Keystone, Boulos Haraoui, Shahin Jamal, Vivian P Bykerk
OBJECTIVE: RA is associated with an increased risk of cardiovascular events (CVEs). The objective was to estimate independent effects of RA autoantibodies on the incident CVEs in patients with early RA. METHODS: Patients were enrolled in the Canadian Early Inflammatory Arthritis Cohort, a prospective multicentre inception cohort. Incident CVEs, including acute coronary syndromes and cerebrovascular events, were self-reported by the patient and partially validated by medical chart review...
January 9, 2017: Rheumatology
https://www.readbyqxmd.com/read/28073043/periplocoside-a-ameliorated-type-ii-collagen-induced-arthritis-in-mice-via-regulation-of-the-balance-of-th17-treg-cells
#8
Yang Yang, Xudong Hu, Lei Cheng, Wei Tang, Weimin Zhao, Yifu Yang, Jianping Zuo
Periplocoside A (PSA) has been extracted from the Chinese herbal medicine Periplocasepium Bge to treat rheumatoid arthritis (RA) via immune regulation. We previously found that PSA exhibits immunosuppressive activity both in vitro and in vivo. Balanced regulation of helper T 17 (Th17)/regulatory T (Treg) cells is the current therapeutic direction for the treatment of RA. The present study investigated the mechanism of PSA in treating collagen-induced arthritis (CIA). The therapeutic effects and potential pharmacological mechanisms of PSA were specifically clarified by examining its effects on CIA in DBA/1 mice...
January 7, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28061847/role-of-intestinal-microbiota-and-metabolites-on-gut-homeostasis-and-human-diseases
#9
REVIEW
Lan Lin, Jianqiong Zhang
BACKGROUND: A vast diversity of microbes colonizes in the human gastrointestinal tract, referred to intestinal microbiota. Microbiota and products thereof are indispensable for shaping the development and function of host innate immune system, thereby exerting multifaceted impacts in gut health. METHODS: This paper reviews the effects on immunity of gut microbe-derived nucleic acids, and gut microbial metabolites, as well as the involvement of commensals in the gut homeostasis...
January 6, 2017: BMC Immunology
https://www.readbyqxmd.com/read/28057661/risk-and-severity-of-herpes-zoster-in-patients-with-rheumatoid-arthritis-receiving-different-immunosuppressive-medications-a-case-control-study-in-asia
#10
Tsai-Ling Liao, Yi-Ming Chen, Hung-Jen Liu, Der-Yuan Chen
OBJECTIVE: Increasing evidence indicates that the risk of herpes zoster (HZ) is elevated in rheumatoid arthritis (RA). Little is known about the epidemiology of HZ in patients with RA in Asia. The aim of this study was to determine the risk factors and outcomes of HZ among patients with RA. DESIGN: A case-control study. SETTING: A medical centre in Asia. PARTICIPANTS: A total of 9025 newly diagnosed and eligible patients with RA (International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) codes 714...
January 5, 2017: BMJ Open
https://www.readbyqxmd.com/read/28050748/development-of-diagnostic-techniques-for-early-rheumatoid-arthritis-using-positron-emission-tomography-with-11-c-pk11195-and-11-c-ketoprofen-tracers
#11
Satoshi Nozaki, Naoko Ozaki, Shinobu Suzuki, Miki Goto, Aya Mawatari, Yuka Nakatani, Emi Hayashinaka, Yasuhiro Wada, Hisashi Doi, Yasuyoshi Watanabe
PURPOSE: In vivo detection of pathological insults during the early stages of rheumatoid synovitis is essential to allow early anti-inflammatory treatment for prevention of joint destruction. Whether rheumatoid synovitis pathology and the efficacy of therapies can be visualized by positron emission tomography (PET) tracers specific to the inflammatory process was investigated. PROCEDURES: Using a collagen-induced experimental rat model of rheumatoid arthritis, in vivo imaging using the PET tracers [(11)C]PK11195, which binds to the translocator protein mainly expressed on myeloid cells, and [(11)C]ketoprofen, for cyclooxygenase imaging, was performed...
January 3, 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/28045034/premature-senescence-of-endothelial-cells-upon-chronic-exposure-to-tnf%C3%AE-can-be-prevented-by-n-acetyl-cysteine-and-plumericin
#12
Shafaat Y Khan, Ezzat M Awad, Andre Oszwald, Manuel Mayr, Xiaoke Yin, Birgit Waltenberger, Hermann Stuppner, Markus Lipovac, Pavel Uhrin, Johannes M Breuss
Cellular senescence is characterized by a permanent cell-cycle arrest and a pro-inflammatory secretory phenotype, and can be induced by a variety of stimuli, including ionizing radiation, oxidative stress, and inflammation. In endothelial cells, this phenomenon might contribute to vascular disease. Plasma levels of the inflammatory cytokine tumor necrosis factor alpha (TNFα) are increased in age-related and chronic conditions such as atherosclerosis, rheumatoid arthritis, psoriasis, and Crohn's disease. Although TNFα is a known activator of the central inflammatory mediator NF-κB, and can induce the intracellular generation of reactive oxygen species (ROS), the question whether TNFα can induce senescence has not been answered conclusively...
January 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28040397/should-preoperative-antibiotics-be-tailored-according-to-patient-s-comorbidities-and-susceptibility-to-organisms
#13
Timothy L Tan, Miguel M Gomez, Michael M Kheir, Mitchell G Maltenfort, Antonia F Chen
BACKGROUND: Preoperative antibiotic prophylaxis remains one of the most important strategies for preventing periprosthetic joint infection (PJI). Current guidelines recommend giving universal antibiotic prophylaxis to all total joint arthroplasty patients regardless of their medical conditions or immune status; however, no studies have evaluated the individualizing of antibiotics. The aims of this study were (1) to determine if comorbidities influence the organism profile of PJIs, and (2) to investigate if the efficacy of two different perioperative antibiotics (cefazolin or vancomycin) for preventing PJI is affected by patient's comorbidities...
November 23, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28034349/biological-agents-in-rheumatoid-arthritis-a-cross-link-between-immune-tolerance-and-immune-surveillance
#14
Rossella Talotta, Fabiola Atzeni, Alberto Batticciotto, Maurizio Benucci, Sara Bongiovanni, Piercarlo Sarzi-Puttini
The biological drugs have all been successfully used to treat rheumatoid arthritis (RA) and have led to fair rates of clinical remission; however, the possible occurrence of adverse events such as infectious diseases or cancers means that the patients undergoing treatment need to be closely monitored. Anti-TNF agents, first appeared in the pharmacological algorithm of RA in the early 2000s, seem to lead to a higher risk of reactivated tubercular infection than the biological agents with different mechanism of action (abatacept or rituximab)...
December 30, 2016: Current Rheumatology Reviews
https://www.readbyqxmd.com/read/28026732/-spontaneous-tendon-ruptures-in-the-rheumatoid-hand
#15
J Pech, D Veigl, M Vlček
A spontaneous tendon rupture is a direct consequence of rheumatoid inflammation and can appear without any noticeable impact, often during sleep. The patient then presents with inability to flex or extend metacarpophalageal or interphalangeal joints. Multiple ruptures resulting in impaired function of several fingers can also occur and markedly limit the hand's grip strength. A tear may arise from either mechanical injury to the tendon along its course over bone or connective tissues, or by biochemical action of lysosomal enzymes, released during the inflammation process, on the connective tissue of the tendon...
2016: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28025216/hydroxychloroquine-for-the-prevention-of-recurrent-cardiovascular-events-in-myocardial-infarction-patients-rationale-and-design-of-the-oxi-trial
#16
Otto Hartman, Petri T Kovanen, Jukka Lehtonen, Kari K Eklund, Juha Sinisalo
BACKGROUND: Inflammation of the arterial wall plays a central role in the pathogenesis of atherosclerosis. Among patients with rheumatic diseases, anti-rheumatic medication reduces the incidence of cardiovascular (CV) diseases, but only few studies have addressed their cardioprotective effects on patients with no rheumatic diseases. Hydroxychloroquine (HCQ) is an anti-rheumatic drug commonly used in the treatment of rheumatoid arthritis and systemic lupus erythematosus. In addition to its anti-inflammatory properties, HCQ reduces cholesterol levels and the risk of type II diabetes, and has also anti-platelet effects...
November 8, 2016: European Heart Journal. Cardiovascular Pharmacotherapy
https://www.readbyqxmd.com/read/28003810/succinate-nlrp3-inflammasome-induces-synovial-fibroblast-activation-therapeutical-effects-of-clematichinenoside-ar-on-arthritis
#17
Yi Li, Jia-Yi Zheng, Jian-Qun Liu, Jie Yang, Yang Liu, Chen Wang, Xiao-Nan Ma, Bao-Lin Liu, Gui-Zhong Xin, Li-Fang Liu
Clematichinenoside AR (C-AR) is a triterpene saponin isolated from the root of Clematis manshurica Rupr., which is a herbal medicine used in traditional Chinese medicine for the treatment of arthritis. C-AR exerts anti-inflammatory and immunosuppressive properties, but little is known about its action in the suppression of fibroblast activation. Low oxygen tension and transforming growth factor-β (TGF-β1) induction in the synovium contribute to fibrosis in arthritis. This study was designed to investigate the effect of C-AR on synovial fibrosis from the aspects of hypoxic TGF-β1 and hypoxia-inducible transcription factor-1α (HIF-1α) induction...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27998044/primary-care-screening-and-management-of-comorbidity-in-rheumatoid-arthritis-in-ontario-canada
#18
Jessica Widdifield, Noah M Ivers, Sasha Bernatsky, R Liisa Jaakkimainen, Claire Bombardier, J Carter Thorne, Vandana Ahluwalia, J Michael Paterson, Jacqueline Young, Laura Wing, Karen Tu
OBJECTIVE: Quality measurement for rheumatoid arthritis (RA) patients has largely focused on care provided by rheumatologists. Our aim was to develop and assess quality measures related to the screening and management of comorbidity in RA patients in primary care. METHODS: We used the primary care Electronic Medical Record Administrative data Linked Database in Ontario, Canada. We harmonized Canadian general population and RA clinical recommendations to develop and assess screening, process, and outcome measures...
December 20, 2016: Arthritis Care & Research
https://www.readbyqxmd.com/read/27998043/patients-perceptions-of-their-relatives-risk-of-developing-rheumatoid-arthritis-and-of-the-potential-for-risk-communication-prediction-and-modulation
#19
Marie Falahee, Gwenda Simons, Christopher D Buckley, Mats Hansson, Rebecca J Stack, Karim Raza
OBJECTIVES: To understand the perspectives of patients with rheumatoid arthritis (RA) about the risk of their relatives developing RA in the future, and about communicating with their relatives about risk and its modulation. METHODS: Twenty-one RA patients took part in semi-structured interviews. RESULTS: Participants reported willingness to communicate with relatives about their risk of developing RA, but described choosing which relatives to communicate with, on the basis of their perceived receptivity to such risk information...
December 20, 2016: Arthritis Care & Research
https://www.readbyqxmd.com/read/27996221/the-practice-of-physical-activity-and-cryotherapy-in-rheumatoid-arthritis-systematic-review
#20
Daniele Peres, Yoshimasa Sagawa, Benoit Dugué, Susana C Domenech, Nicolas Tordi, Clement Prati
INTRODUCTION: Rheumatoid arthritis (RA) is an autoimmune, chronic and inflammatory disease, which the affected patients present a higher cardiovascular mortality rate. Physical Activities (PA) have been identified as the most important strategy to prevent cardiovascular diseases. However, the articular damage and the chronic pain caused by RA challenges its regular practice. Moreover, persons with RA tend to avoid PA due to the fear of exacerbating the inflammatory potential and pain...
December 19, 2016: European Journal of Physical and Rehabilitation Medicine
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