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Methotrexate inflamation

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https://www.readbyqxmd.com/read/29540195/traditional-chinese-medicine-formula-bi-qi-capsule-alleviates-rheumatoid-arthritis-induced-inflammation-synovial-hyperplasia-and-cartilage-destruction-in-rats
#1
Kai Wang, Dongmei Zhang, Yan Liu, Xuan Wang, Jiantong Zhao, Tingting Sun, Tingting Jin, Baoli Li, Janak L Pathak
BACKGROUND: Traditional Chinese medicine (TCM) formula Bi-Qi capsule (Bi-Qi) is a commonly prescribed drug to treat rheumatoid arthritis (RA). However, the mechanism of Bi-Qi-mediated amelioration of RA pathogenesis is still a mystery. Collagen induced arthritis (CIA) in rats is an established model that shares many similarities with RA in humans. In this study we investigated the effect of Bi-Qi on the pathogenesis of CIA in rats. METHODS: CIA was developed in Sprague-Dawley (S...
March 14, 2018: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29369319/endogenous-sialic-acid-engineered-micelles-a-multifunctional-platform-for-on-demand-methotrexate-delivery-and-bone-repair-of-rheumatoid-arthritis
#2
Xiao-Ling Xu, Wei-Shuo Li, Xiao-Juan Wang, Yang-Long Du, Xu-Qi Kang, Jing-Bo Hu, Shu-Juan Li, Xiao-Ying Ying, Jian You, Yong-Zhong Du
Rheumatoid arthritis (RA) patients have suffered from the current drug therapeutic regimen because of its high toxicity and the absence of bone regeneration for existing erosion, seriously affecting the quality of life. Herein, a sialic acid-dextran-octadecanoic acid (SA-Dex-OA) conjugate was synthesized to form micelles with a 55.06 μg mL-1 critical micelle concentration. The obtained micelles can encapsulate a disease-modifying anti-rheumatic drug, methotrexate (MTX), with 4.28% (w/w) drug content, featuring sustained drug release behavior over 48 h...
January 25, 2018: Nanoscale
https://www.readbyqxmd.com/read/29207127/radiolabeled-methotrexate-as-a-diagnostic-agent-of-inflammatory-target-sites-a-proof-of-concept-study
#3
Maria Papachristou, George A Kastis, Petros Z Stavrou, Stavros Xanthopoulos, Lars R Furenlid, Ioannis E Datseris, Penelope Bouziotis
Methotrexate (MTX), as a pharmaceutical, is frequently used in tumor chemotherapy and is also a part of the established treatment of a number of autoimmune inflammatory disorders. Radiolabeled MTX has been studied as a tumor‑diagnostic agent in a number of published studies. In the present study, the potential use of technetium‑99m‑labelled MTX (99mTc‑MTX) as a radiotracer was investigated for the identification of inflammatory target sites. The labelling of MTX was carried out via a 99mTc‑gluconate precursor...
February 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28932117/multifunctional-folate-receptor-targeting-and-ph-responsive-nanocarriers-loaded-with-methotrexate-for-treatment-of-rheumatoid-arthritis
#4
Jinlong Zhao, Menghui Zhao, Changhui Yu, Xueyan Zhang, Jiaxin Liu, Xinwei Cheng, Robert J Lee, Fengying Sun, Lesheng Teng, Youxin Li
Rheumatoid arthritis (RA) is an autoimmune disease characterized by progressive cartilage and bone destruction. Activated macrophages that overexpress folic acid (FA) receptors play an important role in RA, due to their abundance in inflamed synovial membrane and joints. In an effort to deliver drugs to the inflamed tissues, multifunctional FA receptor-targeting and pH-responsive nanocarriers were developed. They were composed of lipids, polyethylene glycol (PEG)-poly(lactic- co -glycolic acid) (PLGA) forming a hydrophilic shell, FA around the hydrophilic shell as a targeting ligand, and poly(cyclohexane-1,4-diylacetone dimethylene ketal) (PCADK) and PLGA as a hydrophobic core...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28666454/fluorescence-optical-imaging-and-musculoskeletal-ultrasonography-in-juvenile-idiopathic-polyarticular-disease-before-and-during-antirheumatic-treatment%C3%A2-a-multicenter-non-interventional-diagnostic-evaluation
#5
Ariane Klein, Georg Werner Just, Stephanie Gabriele Werner, Prasad T Oommen, Kirsten Minden, Ingrid Becker, Hans-Eckhard Langer, Dirk Klee, Gerd Horneff
BACKGROUND: Valid detection of inflamed joints is essential for correct classification, therapeutic decisions, prognosis and assessment of treatment efficacy in juvenile idiopathic arthritis (JIA). Fluorescence optical imaging (FOI) enables visualization of inflammation in arthritis of finger and hand joints and might be used for monitoring. METHODS: A 24-week observational study in polyarticular JIA patients newly starting treatment with methotrexate or an approved biologic was performed in three centers...
June 30, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28571554/methotrexate-in-the-treatment-of-psoriasis-and-rheumatoid-arthritis-mechanistic-insights-current-issues-and-novel-delivery-approaches
#6
P Rajitha, Raja Biswas, M Sabitha, R Jayakumar
Our review is focused on the use of methotrexate in drug therapy of two autoimmune diseases, psoriasis and rheumatoid arthritis (RA). The article describes the pathogenesis of psoriasis and RA, the role of methotrexate in the treatment of these diseases with more focused review on the mechanism behind the clinical benefits of methotrexate therapy. Methotrexate due to its cytotoxic, anti-inflammatory and immune modulatory activities provides clinical benefits in the therapy of the selected diseases. This review also gives a panorama of the problems associated with the use of methotrexate in the selected diseases and the guidelines provided by FDA for its safe use...
May 31, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28560307/lupus-profundus-limited-to-a-site-of-trauma-case-report-and-review-of-the-literature
#7
María Adriana Castrillón, Dédée F Murrell
Lupus erythematosus profundus (LEP) is a rare form of chronic cutaneous lupus erythematosus. We report on a case of a 56-year-old Caucasian woman who presented with a single, persistent, painful rash on the left hip and lateral aspect of the left upper thigh, which had been present for 2.5 years. The patient had a history of previous injury to this area before the rash started. Clinical findings showed an inflamed, hyperpigmented, and indurated plaque with a linear skin invagination and no associated systemic symptoms...
June 2017: International Journal of Women's Dermatology
https://www.readbyqxmd.com/read/28523450/a-review-of-the-clinical-pharmacokinetics-pharmacodynamics-and-immunogenicity-of-vedolizumab
#8
REVIEW
Maria Rosario, Nathanael L Dirks, Catherine Milch, Asit Parikh, Michael Bargfrede, Tim Wyant, Eric Fedyk, Irving Fox
Vedolizumab is a humanized anti-α4β7 integrin monoclonal antibody that selectively blocks trafficking of memory T cells to inflamed gut tissue by inhibiting the α4β7-mucosal addressin cell adhesion molecule-1 (MAdCAM-1) interaction. Approved for treating patients with moderately to severely active ulcerative colitis (UC) or Crohn's disease (CD), vedolizumab is administered as a 300 mg intravenous infusion. Vedolizumab undergoes a rapid, saturable, non-linear, target-mediated elimination process at low concentrations and a slower, linear, non-specific elimination process at higher concentrations...
November 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28428089/enhanced-anti-rheumatic-activity-of-methotrexate-entrapped-ultradeformable-liposomal-gel-in-adjuvant-induced-arthritis-rat-model
#9
Alam Zeb, Omer Salman Qureshi, Chan-Hee Yu, Muhammad Akram, Hyung-Seo Kim, Myung-Sic Kim, Jong-Ho Kang, Arshad Majid, Sun-Young Chang, Ok-Nam Bae, Jin-Ki Kim
The aim of this study is to investigate in vivo anti-rheumatic activity of methotrexate-entrapped ultradeformable liposomal gel (MTX-UDLs-gel) in adjuvant-induced arthritis rat model. Methotrexate-entrapped ultradeformable liposomes (MTX-UDLs) with the optimal phosphatidylcholine to Tween 80 ratio (7:3, w/w) were incorporated into 1% Carbopol gel. MTX-UDLs-gel was characterized in terms of appearance, clarity, homogeneity, pH and drug content. The permeation of MTX-UDLs-gel across rat skin was investigated using Franz diffusion cell...
June 15, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28371624/dextran-sulfate-nanoparticles-as-a-theranostic-nanomedicine-for-rheumatoid-arthritis
#10
Roun Heo, Dong Gil You, Wooram Um, Ki Young Choi, Sangmin Jeon, Jong-Sung Park, Yuri Choi, Seunglee Kwon, Kwangmeyung Kim, Ick Chan Kwon, Dong-Gyu Jo, Young Mo Kang, Jae Hyung Park
With the aim of developing nanoparticles for targeted delivery of methotrexate (MTX) to inflamed joints in rheumatoid arthritis (RA), an amphiphilic polysaccharide was synthesized by conjugating 5β-cholanic acid to a dextran sulfate (DS) backbone. Due to its amphiphilic nature, the DS derivative self-assembled into spherical nanoparticles (220 nm in diameter) in aqueous conditions. The MTX was effectively loaded into the DS nanoparticles (loading efficiency: 73.0%) by a simple dialysis method. Interestingly, the DS nanoparticles were selectively taken up by activated macrophages, which are responsible for inflammation and joint destruction, via scavenger receptor class A-mediated endocytosis...
July 2017: Biomaterials
https://www.readbyqxmd.com/read/28128085/antiphospholipid-syndrome-with-anti%C3%AE-2glicoprotein-1-antibodies-as-the-cause-of-recurrent-tibial-vein-thrombosis-in-sapho-syndrome
#11
Hanna Przepiera-Będzak, Marek Brzosko
The antiphospholipid antibody syndrome is defined by the presence of antiphospholipid antibodies in patients with recurrent venous or arterial thromboembolism (1). SAPHO syndrome is a rare disease, characterized by specific clinical manifestations of synovitis, acne pustulosis, hyperostosis, and osteitis. It is a disease that manifests with a combination of osseous and articular manifestations associated with skin lesions (2). Venous thrombosis complicating SAPHO syndrome seems to be uncommon with an unclear pathogenesis (3-9)...
December 2016: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/27875630/eosinophilic-fasciitis-with-subjacent-myositis
#12
Julia B Whitlock, Elliot L Dimberg, Duygu Selcen, Devon I Rubin
INTRODUCTION: Eosinophilic fasciitis (EF) is a rare disorder that can present with muscle symptoms that mimic other neuromuscular diseases. METHODS: We report the case of a 43-year-old woman with chronic muscle aches, tightness, and stiffness with hypertrophied, well-defined muscles despite physical inactivity, and thickened skin with reduced elasticity and discoloration. RESULTS: Except for mild peripheral eosinophilia, laboratory studies, including blood count, electrolytes, paraneoplastic panel, muscle enzymes, thyroid function, and serum protein electrophoresis, were normal...
September 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/27829671/adenosine-and-adenosine-receptors-in-the-pathogenesis-and-treatment-of-rheumatic-diseases
#13
REVIEW
Bruce N Cronstein, Michail Sitkovsky
Adenosine, a nucleoside derived primarily from the extracellular hydrolysis of adenine nucleotides, is a potent regulator of inflammation. Adenosine mediates its effects on inflammatory cells by engaging one or more cell-surface receptors. The expression and function of adenosine receptors on different cell types change during the course of rheumatic diseases, such as rheumatoid arthritis (RA). Targeting adenosine receptors directly for the treatment of rheumatic diseases is currently under study; however, indirect targeting of adenosine receptors by enhancing adenosine levels at inflamed sites accounts for most of the anti-inflammatory effects of methotrexate, the anchor drug for the treatment of RA...
January 2017: Nature Reviews. Rheumatology
https://www.readbyqxmd.com/read/27785332/epstein-barr-virus-positive-diffuse-large-b-cell-lymphoma-involving-the-colon-in-a-patient-with-ulcerative-pancolitis-and-polymyositis-on-long-term-methotrexate-therapy
#14
Michael D Chang, Merry-Jennifer Markham, Xiuli Liu
The link between immunosuppressive therapy and increased lymphoma risk is well established in patients with solid organ transplantation. Epstein-Barr virus-positive (EBV) diffuse large B-cell lymphoma (DLBCL) is known to be a complication in patients receiving methotrexate for rheumatoid arthritis, and the risk of lymphoma in inflammatory bowel disease (IBD) has raised concerns regarding the lymphoproliferative potential of immunomodulatory therapy. In this report, we describe a case of EBV-positive DLBCL arising within the colon of a patient affected by ulcerative pancolitis...
October 2016: Gastroenterology Research
https://www.readbyqxmd.com/read/26663265/using-dermal-temperature-to-identify-rheumatoid-arthritis-patients-with-radiologic-progressive-disease-in-less-than-one-minute
#15
Maria Greenwald, Joann Ball, Kelly Guerrettaz, Harold Paulus
OBJECTIVE: To explore development of a screening test for rheumatoid arthritis (RA) patients most likely to develop radiographic damage in the next year. The test is a simple, objective measurement of elevated dermal temperature over an inflamed joint in this observational, prospective cohort study. METHODS: Seropositive RA patients were sequentially enrolled into cohorts with hot or cool joints, as determined by a dermal thermometer. Patients naive to biologic therapy were maintained on a stable dosage of methotrexate (20-25 mg/week)...
August 2016: Arthritis Care & Research
https://www.readbyqxmd.com/read/26653415/the-experience-of-taking-methotrexate-for-juvenile-idiopathic-arthritis-results-of-a-cross-sectional-survey-with-children-and-young-people
#16
Kathleen Mulligan, Lucy R Wedderburn, Stanton Newman
BACKGROUND: Children and young people (CYP) with juvenile idiopathic arthritis (JIA) are known to have impaired health-related quality of life (HRQoL), which is improved significantly for many by treatment with methotrexate (MTX). However, a significant proportion of CYP experience difficulties in taking MTX, which may reduce its potential benefits for HRQoL. The aim of this research was to examine how CYP with JIA perceive MTX treatment and how this relates to HRQoL. METHODS: CYP aged 8-16 years taking MTX for JIA completed an adapted Parent Adherence Report Questionnaire, which contains 100 mm visual analogue scales, to assess difficulty taking MTX, adherence, frequency of negative reactions and helpfulness of MTX...
December 12, 2015: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/25964048/stealth-nanogels-of-histinylated-poly-ethyleneimine-for-sustained-delivery-of-methotrexate-in-collagen-induced-arthritis-model
#17
SamiraSadat Abolmaali, AliMohammad Tamaddon, Eskandar Kamali-Sarvestani, MohammadJavad Ashraf, Rasoul Dinarvand
PURPOSE: The study aimed to illustrate application of polycation Stealth nanogels for sustained delivery of methotrexate (MTX) in collagen induced arthritis (CIA) model in C57Bl/6 mice. METHODS: Nanogel synthesis involves metal ion coordinated self-assembly of PEGylated poly ethyleneimine (L-histidine substituted), chemical crosslinking and subsequent removal of the coordinated metal. The nanogels were characterized by TEM and DLS-zeta potential. Comparative efficacy and pharmacokinetics of the i...
October 2015: Pharmaceutical Research
https://www.readbyqxmd.com/read/25793532/defining-immunological-impact-and-therapeutic-benefit-of-mild-heating-in-a-murine-model-of-arthritis
#18
Chen-Ting Lee, Kathleen M Kokolus, Nicholas D Leigh, Maegan Capitano, Bonnie L Hylander, Elizabeth A Repasky
Traditional treatments, including a variety of thermal therapies have been known since ancient times to provide relief from rheumatoid arthritis (RA) symptoms. However, a general absence of information on how heating affects molecular or immunological targets relevant to RA has limited heat treatment (HT) to the category of treatments known as "alternative therapies". In this study, we evaluated the effectiveness of mild HT in a collagen-induced arthritis (CIA) model which has been used in many previous studies to evaluate newer pharmacological approaches for the treatment of RA, and tested whether inflammatory immune activity was altered...
2015: PloS One
https://www.readbyqxmd.com/read/25609739/maintenance-therapy-in-antineutrophil-cytoplasmic-antibody-associated-vasculitis-who-needs-what-and-for-how-long
#19
REVIEW
Anoek A E de Joode, Jan Stephan F Sanders, Abraham Rutgers, Coen A Stegeman
Anti-neutrophil cytoplasmic autoantibody (ANCA)-associated vasculitides (AAV) are severe chronic auto-immune diseases in which the small vessels are inflamed. Nowadays, in the majority of patients disease can be brought into remission with cyclophosphamide and corticosteroids. However, depending upon disease characteristics patients with AAV have a risk of 29-60% to experience relapses of disease within 5 years despite maintenance therapy after induction of remission with less toxic agents, such as azathioprine, methotrexate or mycophenolate mofetil...
April 2015: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/25355728/mri-assessment-of-suppression-of-structural-damage-in-patients-with-rheumatoid-arthritis-receiving-rituximab-results-from-the-randomised-placebo-controlled-double-blind-ra-score-study
#20
RANDOMIZED CONTROLLED TRIAL
Charles Peterfy, Paul Emery, Paul P Tak, Mikkel Østergaard, Julie DiCarlo, Kati Otsa, Federico Navarro Sarabia, Karel Pavelka, Marie-Agnes Bagnard, Lykke Hinsch Gylvin, Corrado Bernasconi, Annarita Gabriele
OBJECTIVE: To evaluate changes in structural damage and joint inflammation assessed by MRI following rituximab treatment in a Phase 3 study of patients with active rheumatoid arthritis (RA) despite methotrexate (MTX) who were naive to biological therapy. METHODS: Patients were randomised to receive two infusions of placebo (n=63), rituximab 500 mg (n=62), or rituximab 1000 mg (n=60) intravenously on days 1 and 15. MRI scans and radiographs of the most inflamed hand and wrist were acquired at baseline, weeks 12 (MRI only), 24 and 52...
January 2016: Annals of the Rheumatic Diseases
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