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"Rheumatoid Arthritis"

Baskar Balakrishnan, David Luckey, Veena Taneja
OBJECTIVE: Although the etiology of rheumatoid arthritis (RA) is unknown, recent studies have led to the concept that gut dysbiosis may be involved in onset. In this study, we aimed to determine if human gut commensals modulate the immune response and gut epithelial integrity in DQ8 mice. METHODS: DQ8 mice were orally gavaged with RA-associated (Eggerthella lenta or Collinsella aerofaciens) and non-associated (Prevotella histicola or Bifidobacterium sp.) on alternate days for 1 week in naïve mice...
March 1, 2019: Military Medicine
Willem van Eden
Biologicals, e.g. TNF inhibitors, have improved dramatically the efficacy of medical interventions in autoimmune diseases, such as in rheumatoid arthritis (RA). However, although progressive inflammation can be halted in this way, no drug free remissions or lasting cures are reached. For this to become real, therapies based on induction antigen specific immune tolerance are sought. This review describes mechanisms of tolerance and the current possibilities for induction of therapeutic tolerance through antigen specific vaccination approaches...
March 22, 2019: Human Vaccines & Immunotherapeutics
Kevin K Wu, Michael P Lee, Erica B Lee, Jashin J Wu
Psoriasis is a chronic inflammatory skin disease that has been associated with a significantly higher risk of herpes zoster (HZ). Several newer biologics such as secukinumab, ixekizumab, and brodalumab inhibit IL-17 and have been highly effective for treatment of psoriasis. However, adverse events related to the immunosuppressive properties of these biologics have been observed. This review aims to synthesize and evaluate the literature investigating the risk of HZ in patients treated with IL-17 inhibitors, with a focus on psoriasis patients...
March 22, 2019: Journal of Dermatological Treatment
Eun Bong Lee, Hisashi Yamanaka, Yi Liu, Wen-Chan Tsai, Connie Chen, Kenneth Kwok, Hyun-Jeong Yoo, Lyndon J Llamado, Lisy Wang, Yingchun Luo, Naonobu Sugiyama, Yoshiya Tanaka
AIM: We report tofacitinib efficacy and safety in Asia-Pacific patients who participated in the rheumatoid arthritis (RA) clinical development program. METHOD: This post-hoc analysis included pooled data from patients with RA in the Asia-Pacific region treated with tofacitinib with/without conventional synthetic disease-modifying antirheumatic drugs in Phase (P)1, 2, 3, and long-term extension (LTE) studies (one LTE ongoing; January 2016 data-cut). Efficacy was assessed over 24 months in patients who received tofacitinib 5 (N = 397) or 10 (N = 382) mg twice daily or placebo (N = 243) in three P2 and five P3 studies...
March 22, 2019: International Journal of Rheumatic Diseases
Rolf-Dieter Burghardt, Murteza Ali Kazim, Wolfgang Rüther, Andreas Niemeier, André Strahl
This review aims to determine the specific effects of PA on systemic levels of interleukins and inflammatory markers. A systematic literature search was conducted in three computerized bibliographic databases (Medline, Embase, CENTRAL) to identify randomized controlled trials and matched case studies. Applied key words were: RA and PA including the terms exercise, exercise therapy, gymnastics and exercise movement techniques. Inclusion criteria were data on all types of proinflammatory interleukins (IL), C-reactive protein (CRP) and erythrocyte sedimentation rate (ESR)...
March 21, 2019: Rheumatology International
Tayyaba Sadaf, Peter John, Attya Bhatti, Javaid M Malik
Introduction: Multifunctional pro-inflammatory cytokine tumor necrosis factor-α (TNF-α) has been implicated in a variety of inflammatory diseases including rheumatoid arthritis (RA). TNF-α polymorphisms are mostly located in its promoter region and play a significant role in disease susceptibility and severity. We therefore sought to investigate TNFA -863C/A (rs1800630) polymorphism association with RA activity in our Pakistani study group. Material and methods: A total of 268 human subjects were enrolled...
March 2019: Archives of Medical Science: AMS
Noor Ahmad Shaik, Babajan Banaganapalli
Rheumatoid arthritis (RA) is a chronic autoimmune disorder of bone joints caused by the complex interplay between several factors like body physiology, the environment with genetic background. The recent meta-analysis of GWAS has expanded the total number of RA-associated loci to more than 100, out of which approximately ∼97% (98 variants) loci are located in non-coding regions, and the other ∼3% (3 variants) are in three different non-HLA genes, i.e., TYK2 (Prp1104Ala), IL6R (Asp358Ala), and PTPN22 (Trp620Arg)...
2019: Frontiers in Genetics
Pournamy Sarathchandran, Ayman Alboudi, Reem AlSuwaidi, Abubaker AbdulRahman Almadani
We report the case of a 59-year-old Arab woman who was presented with acute onset of neck pain followed by quadriparesis, paraesthesias of lower limbs and incontinence of urine. Examination revealed asymmetric sensorimotor quadriparesis with sensory level at T1, establishing a clinical diagnosis of transverse myelitis. Cervical and thoracic spinal MRI showed enhancing T2/fluid attenuated inversion recovery (FLAIR) hyperintense lesion extending from C4 to C7 level in addition to long-segment lesion extending the whole of the spinal cord...
March 20, 2019: BMJ Case Reports
Jette Primdahl, Annette Hegelund, Annette Gøntha Lorenzen, Katrine Loeppenthin, Emma Dures, Bente Appel Esbensen
OBJECTIVES: To identify, appraise and synthesise qualitative studies on the experience of living with rheumatoid arthritis (RA)-related fatigue. METHODS: We conducted a qualitative metasynthesis encompassing a systematic literature search in February 2017, for studies published in the past 15 years, in PubMed, Cumulative Index to Nursing and Allied Health Literature (CINAHL), Embase, SveMed, PsychINFO and Web of Science. To be included, the studies had to report the experience of living with fatigue among adults with RA...
March 20, 2019: BMJ Open
Sandip B Bharate, Vikas Kumar, Sonali S Bharate, Bikarma Singh, Gurdarshan Singh, Amarinder Singh, Mehak Gupta, Deepika Singh, Ajay Kumar, Surjeet Singh, Ram A Vishwakarma
OBJECTIVE: Bergenia ciliata (Haw.) Sternb. is used in the Indian traditional system of medicine to treat various ailments including rheumatism and to heal wounds. The objective of the present study was to perform a preclinical characterization of the B. ciliata-based botanical extract IIIM-160. METHODS: IIIM-160 was chemically standardized and analyzed for heavy metal content, aflatoxins, pesticides and microbial load. The in vitro and in vivo efficacies were determined in suitable models of inflammation, arthritis and nociception...
March 6, 2019: Journal of Integrative Medicine
Nahla E El-Ashmawy, Eman G Khedr, Maha M Shamloula, Maha M Kamel
In view of the partial clinical benefit and significant toxicity of traditional rheumatoid arthritis (RA) treatments, there is a growing trend to use complementary therapy. The antiarthritic activity of soy is related to the effect of soy isoflavones. However, little is known about the antiarthritic activity of soy protein itself. This study demonstrates that soy protein isolate (SPI) and etanercept (ETN), a tumor necrosis factor-α (TNF-α) inhibitor, protect rats against the effects of adjuvant-induced arthritis (AIA) by reducing inflammation (TNF-α and matrix metalloproteinase-3), autoantibody production (anticyclic citrullinated peptide), and lipid peroxidation (malondialdehyde)...
March 21, 2019: Experimental Biology and Medicine
Eva Vidak, Urban Javoršek, Matej Vizovišek, Boris Turk
: For a long time, cysteine cathepsins were considered primarily as proteases crucial for nonspecific bulk proteolysis in the endolysosomal system. However, this view has dramatically changed, and cathepsins are now considered key players in many important physiological processes, including in diseases like cancer, rheumatoid arthritis, and various inflammatory diseases. Cathepsins are emerging as important players in the extracellular space, and the paradigm is shifting from the degrading enzymes to the enzymes that can also specifically modify extracellular proteins...
March 20, 2019: Cells
Eleftherios Pelechas, Paraskevi V Voulgari, Alexandros A Drosos
Since the advent of infliximab for the treatment of rheumatoid arthritis (RA), new genetically-engineered molecules have appeared. This review aims to present the current data and body of evidence for golimumab (GLM). Safety, efficacy, tolerability and immunogenicity are all being investigated, not only through phase III trials (GO-BEFORE, GO-FORWARD, GO-AFTER, GO-MORE, GO-FURTHER, GO-NICE), but also through studies of real-world data. It seems that GLM in the subcutaneous form is an efficacious molecule with a good safety profile at the standard dosage scheme, but a 100 mg subcutaneous dose is associated with a higher risk of opportunistic infections, lymphoma and demyelination...
March 20, 2019: Journal of Clinical Medicine
Jing Jing Liang, Hao Ran Li, Yong Chen, Chen Zhang, Da Gui Chen, Zhi Chao Liang, Ye Qing Shi, Lan Ling Zhang, Lei Xin, Dong Bao Zhao
BACKGROUND: Diallyl Trisulfide (DATS) is an organosulfur compound extracted from garlic bulb, and exerts cardioprotective, anti-inflammatory, antioxidant, antimicrobial and anticancer effects. But its role in the pathogenesis of rheumatoid arthritis (RA) is unknown. Here we explored the influence of DATS on human fibroblast-like synoviocytes (FLS) isolated from RA patients and a mouse model of collagen-induced arthritis (CIA) and the underlying mechanism. METHODS: RA-FLS were cultured and treated with different concentrations of DATS...
March 18, 2019: International Immunopharmacology
Marc Chamoun, Danielle Jacques, Ghassan Bkaily
TNFα and its type 1 receptor (TNFR1) are implicated in several autoimmune diseases, including rheumatoid arthritis, and are associated with complications at the cardiovascular level. Using human cardiomyocytes, vascular smooth muscle, vascular endothelial and endocardial endothelial cells coupled to indirect immunofluorescence, our results showed the presence of TNFR1 at the levels of the plasma membrane (including the cytosol) and mostly at the level of the nuclear membranes (including the nucleoplasm). The distribution of the receptor is different between cell types; however, the density is significantly higher at the nuclear level in all four cell types...
March 21, 2019: Canadian Journal of Physiology and Pharmacology
Yunxia Tao, Gaoran Ge, Qing Wang, Wei Wang, Wenhao Zhang, Jiaxiang Bai, Jiayi Lin, Jining Shen, Xiaobin Guo, Yaozeng Xu, Dechun Geng
Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease of unknown etiology characterized by degradation of cartilage and bone, accompanied by unimpeded proliferation of synoviocytes of altered phenotype. In the present study, we investigated the involvement of the glucagon-like peptide 1 (GLP-1) receptor on human fibroblast-like synoviocytes (FLS) in the pathogenesis of RA using the selective GLP-1 agonist exenatide, a licensed drug used for the treatment of type 2 diabetes. Our results indicate that exenatide may play a role in regulating tumor necrosis factor-α-induced mitochondrial dysfunction by increasing mitochondrial membrane potential, oxidative stress by reducing the production of reactive oxygen species, the expression of NADPH oxidase 4, expression of matrix metalloproteinase (MMP)-3 and MMP-13, release of proinflammatory cytokines including interleukin-1β (IL-1β), IL-6, monocyte chemoattractant protein-1, and high-mobility group protein 1, as well as activation of the p38/nuclear factor of κ light polypeptide gene enhancer in B-cells inhibitor, α/nuclear factor κB signaling pathway in primary human RA FLS...
March 21, 2019: IUBMB Life
Fatima D Alves Pereira, Melissa L Hickson, Paddy A J Wilson
History A 65-year-old man presented to the emergency department with a 1-week history of constipation, which was associated with increasing abdominal distention and not passing flatus. Four weeks prior to the current admission he had been diagnosed with metastatic primary adenocarcinoma of the appendix. One week ago, he had been hospitalized with small-bowel obstruction, for which he required laparotomy and loop ileostomy. His medical history included basal cell carcinoma, rheumatoid arthritis, and Barrett esophagus...
April 2019: Radiology
Farah Nadiah Sulaiman, Kah Keng Wong, Wan Aireene Wan Ahmad, Wan Syamimee Wan Ghazali
Rheumatoid arthritis (RA) is a chronic debilitating inflammatory disease affecting mainly the joint, surrounding tissue and other extra-articular structures in the body. RA can lead to destruction of bone and cartilage which may cause severe disability and it is characterized by the presence of serum rheumatoid factor (RF). The anti-cyclic citrullinate peptide (anti-CCP) antibody is another serum biomarker used in RA diagnosis with higher sensitivity and specificity.In this cross-sectional study with retrospective record review, 159 established RA patients from Hospital Universiti Sains Malaysia (HUSM) were recruited...
March 2019: Medicine (Baltimore)
Michael O Madden, Joseph R Palmer, Bijan J Ameri, Rushabh M Vakharia, Jacob Landes, Martin W Roche
BACKGROUND: Proximal interphalangeal arthroplasty (PIPA) has been indicated for patients suffering from osteoarthritis (OA) or rheumatoid arthritis of the hand. Although there is extensive literature showing the outcomes of PIPA, there is paucity in the literature regarding trends of PIPA in patients with OA of the hand. The purpose of this study was to determine annual primary utilization and revision PIPA trends within the Medicare population with the use of an administrative database...
March 21, 2019: Hand: Official Journal of the American Association for Hand Surgery
Mark P Little, Michelle Fang, Jason J Liu, Ann Marie Weideman, Martha S Linet
Chronic inflammation underlies many autoimmune diseases, including hypothyroidism, hyperthyroidism, and rheumatoid arthritis, also type-2 diabetes and osteoarthritis. Associations have been suggested of high-dose ionising radiation exposure with type-2 diabetes and elevated levels of C-reactive protein, a marker of chronic inflammation. In this analysis we used a proportional hazards model to assess effects of radiotherapy on risks of subsequent inflammatory disease morbidity in 110,368 US radiologic technologists followed from a baseline survey (1983-1989/1994-1998) through 2008...
March 20, 2019: Scientific Reports
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