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https://www.readbyqxmd.com/read/28096127/formation-of-fructose-mediated-advanced-glycation-end-products-and-their-roles-in-metabolic-and-inflammatory-diseases
#1
REVIEW
Alejandro Gugliucci
Fructose is associated with the biochemical alterations that promote the development of metabolic syndrome (MetS), nonalcoholic fatty liver disease, and type 2 diabetes. Its consumption has increased in parallel with MetS. It is metabolized by the liver, where it stimulates de novo lipogenesis. The triglycerides synthesized lead to hepatic insulin resistance and dyslipidemia. Fructose-derived advanced glycation end products (AGEs) may be involved via the Maillard reaction. Fructose has not been a main focus of glycation research because of the difficulty in measuring its adducts, and, more importantly, because although it is 10 times more reactive than glucose, its plasma concentration is only 1% of that of glucose...
January 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28088452/treatment-of-rheumatoid-arthritis-with-combination-of-methotrexate-and-tripterygium-wilfordii-a-meta-analysis
#2
Xiaoyu Wang, Yunyun Zu, Lin Huang, Jie Yu, Huawei Zhao, Chengping Wen, Zhong Chen, Zhenghao Xu
AIMS: Extracts of Tripterygium wilfordii Hook F (TwHF), a traditional Chinese herbal medicine, have been widely used for treating rheumatoid arthritis (RA) in combination with methotrexate (MTX) in China for several decades. However, the efficacy and safety of MTX plus TwHF treatment remain unclear. MAIN METHODS: A comprehensive search of databases in both Chinese and English was performed. Data from the selected studies were extracted and analyzed independently by two authors...
January 11, 2017: Life Sciences
https://www.readbyqxmd.com/read/28087832/comparison-of-cardiovascular-risk-algorithms-in-patients-with-vs-without-rheumatoid-arthritis-and-the-role-of-c-reactive-protein-in-predicting-cardiovascular-outcomes-in-rheumatoid-arthritis
#3
Evo Alemao, Hélène Cawston, François Bourhis, Maiwenn Al, Maureen Rutten-van Molken, Katherine P Liao, Daniel H Solomon
OBJECTIVES: The aims were to compare the performance of cardiovascular risk calculators, Framingham Risk Score (FRS) and QRISK2, in RA and matched non-RA patients and to evaluate whether their performance could be enhanced by the addition of CRP. METHODS: We conducted a retrospective analysis, using a clinical practice data set linked to Hospital Episode Statistics (HES) data from the UK. Patients presenting with at least one RA diagnosis code and no prior cardiovascular events were matched to non-RA patients using disease risk scores...
January 12, 2017: Rheumatology
https://www.readbyqxmd.com/read/28087670/plant-lectins-activate-the-nlrp3-inflammasome-to-promote-inflammatory-disorders
#4
Tao Gong, Xiaqiong Wang, Yanqing Yang, Yiqing Yan, Chenggong Yu, Rongbin Zhou, Wei Jiang
Plant-derived dietary lectins have been reported to be involved in the pathogenesis of several inflammatory diseases, including inflammatory bowel disease, diabetes, rheumatoid arthritis, and celiac disease, but little is known about the molecular mechanisms underlying lectin-induced inflammation. In this study, we showed that plant lectins can induce caspase-1 activation and IL-1β secretion via the NLRP3 inflammasome. Lectins were internalized and subsequently escaped from the lysosome and then translocated to the endoplasmic reticulum...
January 13, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28081217/collective-genetic-interaction-effects-and-the-role-of-antigen-presenting-cells-in-autoimmune-diseases
#5
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/28073043/periplocoside-a-ameliorated-type-ii-collagen-induced-arthritis-in-mice-via-regulation-of-the-balance-of-th17-treg-cells
#6
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/28072726/no-further-gain-can-be-achieved-by-calculating-disease-activity-score-in-28-joints-with-high-sensitivity-assay-of-c-reactive-protein-because-of-high-intraindividual-variability-of-c-reactive-protein-a-cross-sectional-study-and-theoretical-consideration
#7
Inger M J Hansen, Amir Emamifar, Rikke A Andreasen, Steen Antonsen
Disease Activity Score in 28 joints (DAS28) is commonly used to evaluate disease activity of rheumatoid arthritis (RA) and is a guide to treatment decision.The aim of this study was to evaluate the impact of lower reporting limit for C-reactive protein (CRP), with respect to intraindividual biological variability, on the calculation of DAS28 and subsequent patient classification.This study consists of 2 sections: a theoretical consideration discussing the performance of CRP in calculating DAS28 taking intraindividual biological variation and lower reporting limit for CRP into account and a cross-sectional study of RA patients applying our theoretical results...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28070931/anti-rheumatoid-arthritis-effect-of-kaejadan-via-analgesic-and-antiinflammatory-activity-in-vivo-and-in-vitro
#8
Jung Jae Yoon, Eun Jung Sohn, Jung Hyo Kim, Jai Wha Seo, Sung-Hoon Kim
Although Kaejadan (KJD), an herbal cocktail of three medicinal plants (Lithospermum erythrorhizon, Cinnamomum loureirii, and Salvia miltiorrhiza), has been traditionally used for the treatment of rheumatoid arthritis, its scientific evidence is not fully understood. Hence, we investigated antiinflammatory and analgesic mechanism of KJD in vivo and in vitro. Kaejadan suppressed the number of writhing responses in mice treated by acetic acid and showed antinociceptive effect by tail-flick test. Kaejadan abrogated serotonin or carrageenan or Freund's complete adjuvant (FCA)-induced paw edema and also reduced the level of Evans Blue for vascular permeability...
January 9, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28068647/berberine-an-isoquinoline-alkaloid-suppresses-txnip-mediated-nlrp3-inflammasome-activation-in-msu-crystal-stimulated-raw-264-7-macrophages-through-the-upregulation-of-nrf2-transcription-factor-and-alleviates-msu-crystal-induced-inflammation-in-rats
#9
Palani Dinesh, MahaboobKhan Rasool
The current study was designed to investigate the therapeutic potential of berberine on monosodium urate (MSU) crystal stimulated RAW 264.7 macrophages and in MSU crystal induced rats. Our results indicate that berberine (25, 50 and 75μM) suppressed the levels of pro-inflammatory cytokines (interleukin-1beta (IL-1β) and tumor necrosis factor alpha (TNFα)) and intracellular reactive oxygen species in MSU crystal stimulated RAW 264.7 macrophages. The mRNA expression levels of IL-1β, caspase 1, nucleotide-binding oligomerization domain-like receptor pyrin domain containing 3 (NLRP3), thioredoxin interacting protein (TXNIP) and kelch-like ECH-associated protein 1 (Keap1) were found downregulated with the upregulation of nuclear factor erythroid-2-related factor 2 (Nrf2) transcription factor and its associated anti-oxidant enzymes: Heme oxygenase I (HO-1), superoxide dismutase (SOD1), glutathione peroxidase (GPx), NADPH quinone oxidoreductase-1 (NQO1) and catalase (CAT) in MSU crystal stimulated RAW 264...
January 6, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28068286/pathobiochemical-mechanisms-relating-iron-homeostasis-to-parameters-of-inflammatory-activity-and-autoimmune-disorders-in-rheumatoid-arthritis
#10
Katya I Stefanova, Ginka T Delcheva, Ana I Maneva, Anastas Z Batalov, Mariela G Geneva-Popova, Rositza V Karalilova, Kiril K Simitchiev
AIM: To find the correlations between the parameters of iron homeostasis, inflammatory activity and autoimmune disorders in rheumatoid arthritis (RA). MATERIALS AND METHODS: The present study included 114 patients with RA and 42 healthy controls. We determined the parameters of iron homeostasis: serum iron, total iron binding capacity (TIBC), ferritin and soluble transferrin receptor (sTfR), the parameters of inflammatory activity: C-reactive protein (CRP), interleukin-6 (IL-6) and prohepcidin, and the parameters of autoimmune disorders: rheumatoid factor (RF), anti-cyclic citrullinated peptide (antiCCP) antibodies, and DAS 28...
December 1, 2016: Folia Medica
https://www.readbyqxmd.com/read/28067600/prevalence-of-chlamydia-associated-reactive-arthritis
#11
H Okamoto
No abstract text is available yet for this article.
January 9, 2017: Scandinavian Journal of Rheumatology
https://www.readbyqxmd.com/read/28062205/effects-of-adjuvant-induced-inflammation-on-disposition-of-diclofenac-and-its-metabolites-in-perfused-rat-liver
#12
Misato Uraki, Atsushi Kawase, Hiroyuki Sayama, Yuka Matsushima, Masahiro Iwaki
The reactive metabolites of diclofenac (DF) such as 1-O-acyl glucuronide (DF-Glu) are hypothesized to result in idiosyncratic hepatotoxicity. However, it is unclear whether inflammation affects the hepatic disposition of DF and its metabolites. To clarify the alterations in the disposition of DF and its metabolites in inflammatory conditions, we performed in situ perfused rat liver experiments. Using adjuvant arthritis (AA) rats as a model of inflammation, the elimination of DF, 4'-hydroxydiclofenac (DF-4'OH), and DF-Glu from the perfusate was observed to be delayed in comparison with the control...
January 3, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28051320/correlation-of-antibody-responses-to-a-peptide-antigen-gp120-c5-sup-501-512-sup-gp41-sup-732-744-sup-with-hiv-disease-progression
#13
Birger Sørensen, Maja A Sommerfelt, Grete Stjernholm, Peter Lawrence Smith, Mats Ökvist, Arnt-Ove Hovden, Gunnar Hoddevik, Robert R Redfield, Valentina Ustina, Øyvind Jelmert, Jerome Zeldis, Angus Dalgleish
Antibodies to the carboxyterminal constant (C5) region 5 of the HIV-1 envelope glycoprotein gp120 have previously been associated with slow disease progression. This is one of the regions on gp120 that interact with the transmembrane glycoprotein, gp41, anchoring it to the viral and infected cell membrane. This study analyzed humoral responses to a novel heterodimeric peptide construct comprising the C5<sup>501-512</sup> region and a compatible region on gp41<sup>732-744</sup>. Antibody prevalence to C5<sup>501-512</sup>/gp41<sup>732-744</sup> was associated with slow disease progression in a treatment naive historical longitudinal cohort from Norway (n=32; p=0...
January 4, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28049097/in-vivo-anti-arthritic-efficacy-of-camellia-sinensis-l-in-collagen-induced-arthritis-model
#14
Ankit Tanwar, Raman Chawla, Md Meraj Ansari, Neha, Pallavi Thakur, Ankita Singh Chakotiya, Rajeev Goel, Himanshu Ojha, M Asif, Mitra Basu, Rajesh Arora, Haider Ali Khan
BACKGROUND: Rheumatoid arthritis (RA), an autoimmune inflammatory disorder with synovial hyperplasia, destruction of cartilage, bone damage is often associated with risk of infections. Such risk could be attributed towards usage of immunosuppressive agents. Thus, the present study was undertaken to evaluate the anti-arthritic efficacy of aquo-alcoholic extract of Camellia sinensis (L.). MATERIAL AND METHODS: Dried leaves of Camellia sinensis (L.) or Cs were filtered and extracted in 1:1 aqueous: ethanol by Soxhlet apparatus followed by lyophilization and spray drying to develop amorphous powder...
December 31, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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
#15
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/28044215/mixed-effects-of-caffeic-acid-phenethyl-ester-cape-on-joint-inflammation-bone-loss-and-gastrointestinal-inflammation-in-a-murine-model-of-collagen-antibody-induced-arthritis
#16
Bonnie Williams, Eleni Tsangari, Romany Stansborough, Victor Marino, Melissa Cantley, Anak Dharmapatni, Rachel Gibson, Egon Perilli, Tania Crotti
OBJECTIVE: To investigate the effect of caffeic acid phenethyl ester (CAPE) on local and systemic inflammation and bone loss in collagen antibody-induced arthritis (CAIA) mice. METHODS: Four groups of mice (n = 8 per group) were allocated; control, CAPE (1 mg/kg), CAIA and CAIA + CAPE (1 mg/kg). Local inflammation and bone loss were evaluated using clinical paw scores, in vivo micro-computed tomography (micro-CT), histological assessment and tartrate-resistant acid phosphatase (TRAP) staining...
January 3, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28043761/the-effect-of-body-mass-index-on-clinical-response-to-abatacept-as-a-first-line-biologic-for-rheumatoid-arthritis-6-month-results-from-the-2-year-observational-prospective-action-study
#17
Xavier Mariette, Rieke Alten, Hubert G Nüßlein, Mauro Galeazzi, Hanns-Martin Lorenz, Alain Cantagrel, Melanie Chartier, Coralie Poncet, Christiane Rauch, Manuela Le Bars
OBJECTIVE: To assess the impact of baseline body mass index (BMI) on the efficacy and retention of intravenous abatacept at 6 months in biologic-naïve patients with rheumatoid arthritis (RA). METHODS: This was a 6-month analysis of a 2-year, non-interventional, international, prospective study. Baseline characteristics, clinical response and retention rates were compared by BMI subgroup: underweight/normal, overweight and obese (<25, 25 to <30 and ≥30kg/m(2), respectively)...
December 30, 2016: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28043168/plasma-levels-of-pentraxin-3-in-patients-with-spondyloarthritis
#18
Renato Nisihara, Thelma L Skare, João Otávio Zeni, Henrique Rasera, Karita Lidani, Iara Messias-Reason
CONTEXT: Determining the disease's inflammatory activity in Spondyloarthritis (SpA) is difficult although very important as it is this that drives treatment. OBJECTIVE: To investigate if plasma PTX3 (Pentraxine-3) could act as an inflammatory marker in SpA. METHODS: Eighty one SpA patients (11 with psoriatic arthritis or PsoA and 70 with Ankylosing Spondylitis or AS) and 90 gender and age paired controls were studied for plasma PTX3 levels by ELISA...
January 3, 2017: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/28036035/serum-interleukin-34-levels-are-elevated-in-patients-with-systemic-lupus-erythematosus
#19
Hongxu Wang, Ju Cao, Xiaofei Lai
Interleukin-34 (IL-34) was initially identified as an alternative ligand for the colony-stimulating factor-1 receptor (CSF-1R) to mediate the biology of mononuclear phagocytic cells. Recently, IL-34 was found to be associated with chronic inflammation, such as in rheumatoid arthritis (RA). Both RA and systemic lupus erythematosus (SLE) are multifactorial autoimmune diseases and are characterized by excessive immune and inflammatory responses. Thus, we investigated whether IL-34 is involved in the pathogenesis of SLE...
December 28, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28035541/effect-of-artemisia-annua-extract-on-treating-active-rheumatoid-arthritis-a-randomized-controlled-trial
#20
Min Yang, Ming-Yang Guo, Yong Luo, Ming-Dong Yun, Jiao Yan, Tao Liu, Chang-Hong Xiao
OBJECTIVE: To investigate the effect and safety of the complementary use of the extract of Artemisia annua L. (EAA) on treating active rheumatoid arthritis (RA). METHODS: A randomized controlled clinical trial was performed. All the 159 participates with active RA were randomly assigned to the control group (80 cases) and EAA group (79 cases). In the control group, patients were medicated with leflflunomide and methotrexate for 48 weeks; and patients in the EAA group were administrated with leflflunomide, methotrexate plus EAA (30 g/d)...
December 29, 2016: Chinese Journal of Integrative Medicine
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