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https://www.readbyqxmd.com/read/29921387/comparative-study-of-methotrexate-and-human-umbilical-cord-mesenchymal-stem-cell-transplantation-in-the-treatment-of-rheumatoid-arthritis
#1
Y H Wang, Z Q Yang, S F Zhu, Y Gao
In this study, a collagen-induced arthritis (CIA) model was established to simulate rheumatoid arthritis (RA) using two intradermal injections of bovine type II collagen and Freund’s complete adjuvant mixture given at two-week intervals. Subsequently, the transplantation of human umbilical cord mesenchymal stem cells (hUC-MSCs) was used to treat RA and the treatment efficacy, as well as the possible regulatory mechanism underlying hUC-MSC transplantation, was observed. During the study, forty rats were randomly divided into four groups and their blood samples were collected at different time points to measure levels of serum cartilage oligomeric matrix protein (COMP)...
May 2018: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29914930/reduction-of-articular-and-systemic-inflammation-by-kava-241-in-porphyromonas-gingivalis-induced-arthritis-murine-model
#2
Olivier Huck, Jian You, Xianxian Han, Bin Cai, James Panek, Salomon Amar
Rheumatoid arthritis (RA) is an inflammatory disease that has been linked to several risk factors including periodontitis. Identification of new anti-inflammatory compounds to treat arthritis is needed. We had previously demonstrated the beneficial effect of Kava-241, a kavain derived compound, in the management of Porphyromonas gingivalis induced periodontitis. The present study evaluated systemic and articular effects of Kava-241 in an infective arthritis murine model triggered by P.gingivalis bacterial inoculation and primed with collagen antibody cocktail (CIA) to induce joint inflammation and tissular destruction...
June 18, 2018: Infection and Immunity
https://www.readbyqxmd.com/read/29908986/hydroquinone-exposure-worsens-the-symptomatology-of-rheumatoid-arthritis
#3
Cintia Scucuglia Heluany, Leonard de Vinci Kanda Kupa, Mariana Nascimento Viana, Cristina Maria Fernandes, Sandra Helena Poliselli Farsky
The genesis of rheumatoid arthritis (RA) is complex and dependent on genetic background and exposure to environmental xenobiotic. Indeed, smoking is associated to developing and worsening pre-existing RA. Nevertheless, the mechanisms and cigarette compounds involved in the harmful processes have not been elucidated. Here, we investigated if the exposure to hydroquinone (HQ), an abundant pro-oxidative compound of cigarette and benzene metabolite, could worsen the ongoing RA. Hence, collagen-induced arthritis (CIA) was induced in male Wistar rats by s...
June 14, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29907142/malbac-based-chromosomal-imbalance-analysis-a-novel-technique-enabling-effective-non-invasive-diagnosis-and-monitoring-of-bladder-cancer
#4
Hao Liu, Wang He, Bo Wang, Kewei Xu, Jinli Han, Junjiong Zheng, Jun Ren, Lin Shao, Shiping Bo, Sijia Lu, Tianxin Lin, Jian Huang
BACKGROUND: The gold standard for bladder cancer detection is cystoscopy, which is an invasive procedure that causes discomfort in patients. The currently available non-invasive approaches either show limited sensitivity in low-grade tumours or possess unsatisfying specificity. The aim of the present study is to develop a new non-invasive strategy based on chromosomal imbalance levels to detect bladder cancer effectively. METHODS: We enrolled 74 patients diagnosed with bladder cancer (BC), 51 healthy participants and 27 patients who were diagnosed with non-malignant urinary disease (UD)...
June 15, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29901407/vaccination-with-a-novel-antigen-specific-tolerizing-dna-vaccine-encoding-ccol2a1-protects-rats-from-experimental-rheumatoid-arthritis
#5
Xiao Zhao, Juan Long, Fei Liang, Nan Liu, Yuying Sun, Yongzhi Xi
Antigen-specific tolerizing DNA vaccines are one of the most promising strategies for rheumatoid arthritis (RA) treatment, and act by inducing potent immune tolerance instead of generalized immunosuppression. Recently, we developed a novel antigen-specific tolerizing DNA vaccine coding for chicken type II collagen (pcDNA-CCOL2A1), and confirmed its potent therapeutic efficacy in an established rat model of collagen-induced arthritis (CIA). Here we report the prophylactic vaccination efficacy of a single 300ug/kg dose of pcDNA-CCOL2A1 against CIA incidence, severity, and onset...
June 14, 2018: Human Gene Therapy
https://www.readbyqxmd.com/read/29887869/inhibitory-role-of-growth-hormone-in-the-induction-and-progression-phases-of-collagen-induced-arthritis
#6
Ricardo Villares, Gabriel Criado, Yasmina Juarranz, Mercedes Lopez-Santalla, Eva M García-Cuesta, José M Rodríguez-Frade, Javier Leceta, Pilar Lucas, José Luis Pablos, Carlos Martínez-A, Marina I Garin, Rosa P Gomariz, Mario Mellado
Evidence indicates an intimate connection between the neuroendocrine and the immune systems. A number of in vitro and in vivo studies have demonstrated growth hormone (GH) involvement in immune regulation. The GH receptor is expressed by several leukocyte subpopulations, and GH modulates immune cell proliferation and activity. Here, we found that sustained GH expression protected against collagen-induced arthritis (CIA); in GH-transgenic C57BL/6 (GHTg) mice, disease onset was delayed, and its overall severity was decreased...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29883633/assessment-of-diagnostic-methods-for-the-detection-of-anticardiolipin-and-anti-%C3%AE-eta-2-glycoprotein-i-antibodies-in-patients-under-routine-evaluation-for-antiphospholipid-syndrome
#7
Thomas B Martins, Nahla Heikal, Jason Miller, Rohan Willis, Robert L Schmidt, Anne E Tebo
BACKGROUND: We assessed the performance characteristics and correlations of the traditional enzyme-linked immunosorbent assay (ELISA) and chemiluminescence immunoassay (CIA) for detecting IgG and IgM antibodies to cardiolipin (aCL) and beta2 glycoprotein (anti-β2 GPI) antibodies in patients under routine evaluation for APS. METHODS: Patients (n = 216) referred to ARUP Laboratories for lupus anticoagulant (LAC) and/or aCL or anti-β2 GPI IgG/IgM antibodies evaluation were assessed by ELISA and CIA methods...
June 5, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29879657/formyl-peptide-receptor-activation-inhibits-the-expansion-of-effector-t-cells-and-synovial-fibroblasts-and-attenuates-joint-injury-in-models-of-rheumatoid-arthritis
#8
Dragana Odobasic, Yuan Jia, Wenping Kao, Huapeng Fan, Xuemin Wei, Ran Gu, Devi Ngo, A Richard Kitching, Stephen R Holdsworth, Eric F Morand, Yuan H Yang
The effects of formyl peptide receptors (FPRs) on effector T cells and inflammation-causing tissue-resident cells are not well known. Here, we explored the effect of FPR activation on efferent T cell responses in models of rheumatoid arthritis (RA) and on the expansion of fibroblast-like synoviocytes (FLS). Compound 43 (Cpd43; FPR1/2 agonist) was administered to mice with collagen-induced arthritis (CIA) or antigen-induced arthritis (AIA) after disease onset. Joint inflammation/damage and immunity were assessed...
June 4, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29873579/impact-of-collagen-induced-arthritis-on-the-pharmacokinetic-disposition-of-voriconazole-a-widely-used-antifungal-agent-in-vitro-and-in-vivo-investigations-in-dba-1j-mice
#9
Poonam Giri, Prashant Delvadia, Lakshmikant Gupta, Priyal Trivedi, Nirmal Patel, Manoranjan Sharma, Jaideep Singh, Abhijit Chatterjee, Shekhar Kadam, Nuggehally R Srinivas
1. Pharmacokinetics of voriconazole, an anti-fungal agent, was determined in collagen-induced arthritic (CIA) and healthy DBA/1J mice. CIA was confirmed in DBA/1J mice by clinical scoring and histological analysis. 2. In vivo oral pharmacokinetic study (3 mg/kg) and in vitro stability assessment in liver microsomes were performed in CIA vs. healthy DBA/1J mice. Additionally, hepatic portal vein cannulated (HPVC) CIA and healthy mice were used to clarify the role of gut first-pass effect. Voriconazole/N-oxide metabolite was measured in plasma and in vitro samples using LC-MS/MS method...
June 6, 2018: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
https://www.readbyqxmd.com/read/29872910/prophylactic-balloon-occlusion-of-internal-iliac-arteries-common-iliac-arteries-and-infrarenal-abdominal-aorta-in-pregnancies-complicated-by-placenta-accreta-a-retrospective-cohort-study
#10
Kui Li, Yu Zou, Jin Sun, Hong Wen
OBJECTIVES: To evaluate the efficacy of prophylactic balloon occlusion (PBO), and to compare haemostatic effects and perioperative outcomes of PBO of the internal iliac arteries (IIA), common iliac arteries (CIA) and infrarenal abdominal aorta (IAA) in patients with placenta accreta. METHODS: One hundred and ninety-nine patients with placenta accreta were retrospectively reviewed. One hundred and twelve cases who underwent PBO were allocated into PBO group, and 87 cases without endovascular intervention were classified as the control group...
June 5, 2018: European Radiology
https://www.readbyqxmd.com/read/29870503/economic-assessment-of-reverse-algorithm-syphilis-screening-in-a-high-prevalence-population
#11
Sean A Buono, Ricardo Basurto-Davila, Hilary A Godwin, Nicole M Green
BACKGROUND: More laboratories are screening for syphilis with automated treponemal immunoassays. We compared direct costs and downstream consequences when a local public health laboratory switches from a traditional algorithm (Nontreponemal screening) to a reverse algorithm (Treponemal screening). METHODS: We created a decision analysis model based on laboratory and surveillance data to estimate the cost-effectiveness of a reverse syphilis-screening algorithm from the perspectives of the Los Angeles County Public Health Laboratory (PHL) and the Los Angeles County Department of Public Health (laboratory + STD Program costs) in 2015 US Dollars...
June 4, 2018: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/29867986/protection-against-arthritis-by-the-parasitic-worm-product-es-62-and-its-drug-like-small-molecule-analogues-is-associated-with-inhibition-of-osteoclastogenesis
#12
James Doonan, Felicity E Lumb, Miguel A Pineda, Anuradha Tarafdar, Jenny Crowe, Aneesah M Khan, Colin J Suckling, Margaret M Harnett, William Harnett
The immunomodulatory actions of parasitic helminth excretory-secretory (ES) products that serendipitously protect against development of chronic inflammatory disorders are well established: however, knowledge of the interaction between ES products and the host musculoskeletal system in such diseases is limited. In this study, we have focused on ES-62, a glycoprotein secreted by the rodent filarial nematode Acanthocheilonema viteae that is immunomodulatory by virtue of covalently attached phosphorylcholine (PC) moieties, and also two synthetic drug-like PC-based small molecule analogues (SMAs) that mimic ES-62's immunomodulatory activity...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29867985/anti-inflammatory-effects-of-hdl-in-mice-with-rheumatoid-arthritis-induced-by-collagen
#13
Yunlong Wang, Shulai Lu, Guoqing Zhang, Shaofeng Wu, Ying Yan, Qingzhe Dong, Bin Liu
Objective: To investigate the anti-inflammatory effects of high-density lipoprotein (HDL) in mice with rheumatoid arthritis (RA) induced by collagen. Methods: Male DBA/1 mice (8-week-old) were divided into three groups: control (treated with saline), collagen-induced arthritis (CIA), and CIA + HDL. CIA was induced with bovine type II collagen, and after the injection of bovine type II collagen, the CIA + HDL group received an injection of HDL on day 28 followed by HDL injections four times every 3 days...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29865282/treadmill-running-ameliorates-destruction-of-articular-cartilage-and-subchondral-bone-not-only-synovitis-in-a-rheumatoid-arthritis-rat-model
#14
Seiji Shimomura, Hiroaki Inoue, Yuji Arai, Shuji Nakagawa, Yuta Fujii, Tsunao Kishida, Shohei Ichimaru, Shinji Tsuchida, Toshiharu Shirai, Kazuya Ikoma, Osam Mazda, Toshikazu Kubo
We analyzed the influence of treadmill running on rheumatoid arthritis (RA) joints using a collagen-induced arthritis (CIA) rat model. Eight-week-old male Dark Agouti rats were randomly divided into four groups: The control group, treadmill group (30 min/day for 4 weeks from 10-weeks-old), CIA group (induced CIA at 8-weeks-old), and CIA + treadmill group. Destruction of the ankle joint was evaluated by histological analyses. Morphological changes of subchondral bone were analyzed by μ-CT. CIA treatment-induced synovial membrane invasion, articular cartilage destruction, and bone erosion...
June 3, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29865146/impact-of-vitamin-d-on-the-cardiovascular-system-in-advanced-chronic-kidney-disease-ckd-and-dialysis-patients
#15
REVIEW
Anna Gluba-Brzózka, Beata Franczyk, Aleksandra Ciałkowska-Rysz, Robert Olszewski, Jacek Rysz
In patients suffering from chronic kidney disease (CKD), the prevalence of cardiovascular disease is much more common than in the general population. The role of vitamin D deficiency had been underestimated until a significant association was found between vitamin D therapy and survival benefit in haemodialysis patients. Vitamin D deficiency is present even in the early stages of chronic kidney disease. The results of experimental studies have revealed the relationship between vitamin D deficiency and impairment of cardiac contractile function, higher cardiac mass and increased myocardial collagen content...
June 1, 2018: Nutrients
https://www.readbyqxmd.com/read/29863076/5-hydroxy-2-methylpyridine-isolated-from-cigarette-smoke-condensate-aggravates-collagen-induced-arthritis-in-mice
#16
Masafumi Takeno, Shinya Kitagawa, Junpei Yamanaka, Mayumi Teramoto, Haruka Tomita, Naohiro Shirai, Saotomo Itoh, Shigeaki Hida, Kazuichi Hayakawa, Kikuo Onozaki, Takemasa Takii
The risk of rheumatoid arthritis (RA) is linked to environmental and genetic factors. Cigarette smoking is an established environmental risk factor for the disease that contributes to its development and severity. Previously, we found that cigarette smoke condensate (CSC), both mainstream and sidestream, aggravates collagen type II-induced arthritis (CIA), which was observed following either intraperitoneal inoculation or nasal exposure. In the present study, we aimed to identify the compound in CSC, which aggravates CIA...
2018: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/29862859/abbv-105-a-selective-and-irreversible-inhibitor-of-bruton-s-tyrosine-kinase-btk-is-efficacious-in-multiple-preclinical-models-of-inflammation
#17
Christian Goess, Christopher M Harris, Sara Murdock, Richard W McCarthy, Erik Sampson, Rachel Twomey, Suzanne Mathieu, Regina Mario, Matthew Perham, Eric R Goedken, Andrew J Long
OBJECTIVES: Bruton's Tyrosine Kinase (BTK) is a non-receptor tyrosine kinase required for intracellular signaling downstream of multiple immunoreceptors. We evaluated ABBV-105, a covalent BTK inhibitor, using in vitro and in vivo assays to determine potency, selectivity, and efficacy to validate the therapeutic potential of ABBV-105 in inflammatory disease. METHODS: ABBV-105 potency and selectivity were evaluated in enzymatic and cellular assays. The impact of ABBV-105 on B cell function in vivo was assessed using mechanistic models of antibody production...
June 2, 2018: Modern Rheumatology
https://www.readbyqxmd.com/read/29860310/reappraising-the-efficacy-and-acceptability-of-multicomponent-interventions-for-caregiver-depression-in-dementia-the-utility-of-network-meta-analysis
#18
Tau Ming Liew, Cia Sin Lee
Background: Previous meta-analyses have demonstrated the efficacy of interventions for caregiver depression in dementia. However, they generally lumped the interventions together without accounting for the multicomponent nature of most interventions. It is unknown which combination of components contributed to the efficacy and should be implemented in clinical practice. Objectives: To reappraise the interventions for caregiver depression from a recent systematic review, and evaluate whether a network meta-analytic approach offers additional insight into the efficacy and acceptability of multicomponent interventions...
May 31, 2018: Gerontologist
https://www.readbyqxmd.com/read/29859367/mechanical-response-of-human-subclavian-and-iliac-arteries-to-extension-inflation-and-torsion
#19
Gerhard Sommer, Christoph Benedikt, Justyna A Niestrawska, Gloria Hohenberger, Christian Viertler, Peter Regitnig, Tina U Cohnert, Gerhard A Holzapfel
Peripheral vascular trauma due to injuries of the upper and lower limbs are life-threatening, and their treatment require rapid diagnosis and highly-qualified surgical procedures. Experienced surgeons have recognized that subclavian arteries, affected by injuries of the upper limbs, require a more careful handling due to fragility than common iliac arteries, which are may be affected by injures of the lower limbs. We investigated these two artery types with comparable diameter to evaluate the differences in the biomechanical properties between subclavian and iliac arteries...
May 30, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29857911/exercise-and-chemotherapy-induced-amenorrhea
#20
Katlynn M Mathis, Kathleen M Sturgeon, Renate M Winkels, Joachim Wiskemann, Nancy I Williams, Kathryn Schmitz
Chemotherapy-induced amenorrhea (CIA) is the temporary or permanent loss of menses experienced by premenopausal women undergoing chemotherapy treatment for cancer. Two possible mechanisms through which chemotherapy induces CIA have been identified: systemic endothelial dysfunction, resulting in decreased blood flow to the ovaries, and increased oxidative stress within the ovaries, both of which are proposed to lead to apoptosis of follicles. Endothelial dysfunction in ovarian arteries in women undergoing or who have undergone chemotherapy treatment is characterized by prothrombotic changes and thickening of the vascular wall...
July 2018: Medical Hypotheses
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