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https://www.readbyqxmd.com/read/28724217/chondroprotective-and-anti-nociceptive-effects-of-caffeoylquinic-acid-in-osteoarthritis-by-downregulating-catabolic-activity-and-oxidative-damage-in-chondrocytes
#1
Luping Liu, Yongmei Li
We evaluated the chondroprotective and anti-nociceptive effects of caffeoylquinic acid (CA) in a rat osteoarthritis (OA) model. Monosodium iodoacetate was injected intra-articularly in the rats to produce OA. The rats were divided into three groups: control, OA group, which received vehicle, and the CA-treated group, which received CA (50mg/kg, p.o.) for 14days. At the end of the protocol, pain was estimated by observing the paw withdrawal threshold and latency. Degeneration of cartilage was assessed through histomorphological and microscopical examination of joints...
July 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28723951/cd8-t-cells-provide-immune-protection-against-murine-disseminated-endotheliotropic-orientia-tsutsugamushi-infection
#2
Guang Xu, Nicole L Mendell, Yuejin Liang, Thomas R Shelite, Yenny Goez-Rivillas, Lynn Soong, Donald H Bouyer, David H Walker
Scrub typhus, caused by a Gram-negative obligately intracellular coccobacillus, Orientia tsutsugamushi, is a long neglected but important tropical disease. Orientia tsutsugamushi causes illness in one million people each year, and 1 billion people are at risk. Without appropriate diagnosis and treatment, the disease can cause severe multiorgan failure with a case fatality rate of 7-15%. The current gaps in knowledge of immunity include the unknown mechanisms of host immunity to O. tsutsugamushi. Using an intravenous (i...
July 19, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28723780/the-relationship-between-itpa-rs1127354-polymorphisms-and-efficacy-of-antiviral-treatment-in-northeast-chinese-chc-patients
#3
Zhenhua Liu, Song Wang, Wenqian Qi, Xu Wang, Derong Sun, Hongguang Wang, Yonggui Zhang, Zhongxie Li, Liying Zhu, Ping Zhao, Honghua Guo, Changyu Zhou, Jiangbin Wang
This prospective study investigated the relationship between 2 inosine triphosphatase (ITPA) polymorphisms (rs7270101 and rs1127354) and the efficacy of ribavirin-based antiviral therapy in hepatitis C virus (HCV)-infected Chinese patients.A total of 906 patients diagnosed with chronic hepatitis C receiving pegylated interferon (PEG-IFN) plus ribavirin combination therapy between January 2011 and January 2014 from 5 hepatitis centers in Northeast China were enrolled. The patients were divided into genotype 1 and non-genotype 1 groups according to the genotype of infected HCV...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28723762/recombinant-human-tsh-stimulated-thyroglobulin-levels-at-remnant-ablation-predict-structural-incomplete-response-to-treatment-in-patients-with-differentiated-thyroid-cancer
#4
Jeonghoon Ha, Min Hee Kim, Kwanhoon Jo, Yejee Lim, Ja Seong Bae, Sohee Lee, Moo Il Kang, Bong Yun Cha, Dong Jun Lim
In patients with differentiated thyroid cancer, stimulated thyroglobulin (sTg) levels after thyroid hormone withdrawal (THW) at remnant ablation (RA) and at 6 to 12 months are known to have good prognostic value. This study aimed to evaluate the prognostic impacts and best cutoff values of sTg levels under recombinant human thyroid stimulating hormone (rhTSH) treatment at RA and at follow-up. A total of 151 patients were enrolled, of whom 77 were followed up with rhTSH-stimulated Tg (rhTSH-sTg) and 74 with THW-stimulated Tg (THW-sTg) at 6 to 12 months after rhTSH-aided RA...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28723348/central-serotonin-attenuates-lps-induced-systemic-inflammation
#5
Clarissa M D Mota, Caroline Rodrigues-Santos, Rodrigo A R Fernández, Ruither O G Carolino, José Antunes-Rodrigues, Janete A Anselmo-Franci, Luiz G S Branco
Serotonin (5-HT) is a neuromodulator involved in several central-mediated mechanisms, such as endocrine processes, behavior, and sleep. Dysfunction of the serotonergic system is mainly linked to psychiatric disorders, but emerging evidence suggests that immune system activation may also alter brain 5-HT signaling. However, whether central 5-HT modulates systemic inflammation (SI) remains unknown. For this purpose, male Wistar rats (280-350 g, 8-9 weeks) were submitted to the experimental protocols beginning between 9 and 10 AM with the performance of injections...
July 16, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28723271/development-of-three-orthogonal-assays-suitable-for-the-identification-and-qualification-of-pikfyve-inhibitors
#6
Kylie Fogarty, Mohammed Kashem, Andras Bauer, Alexandra Bernardino, Debra Brennan, Brian Cook, Neil Farrow, Teresa Molinaro, Richard Nelson
FYVE-type zinc finger-containing phosphoinositide kinase (PIKfyve) catalyzes the formation of phosphatidylinositol 3,5-bisphosphate (PI(3,5)P2) from phosphatidylinositol 3-phosphate (PI(3)P). PIKfyve has been implicated in multiple cellular processes, and its role in the regulation of toll-like receptor (TLR) pathways and the production of proinflammatory cytokines has sparked interest in developing small-molecule PIKfyve inhibitors as potential therapeutics to treat autoimmune and inflammatory diseases. We developed three orthogonal assays to identify and qualify small-molecule inhibitors of PIKfyve: (1) a purified component microfluidic enzyme assay that measures the conversion of fluorescently labeled PI(3)P to PI(3,5)P2 by purified recombinant full-length human 6His-PIKfyve (rPIKfyve); (2) an intracellular protein stabilization assay using the kinase domain of PIKfyve expressed in HEK293 cells; and (3) a cell-based functional assay that measures the production of interleukin (IL)-12p70 in human peripheral blood mononuclear cells stimulated with TLR agonists lipopolysaccharide and R848...
July 2017: Assay and Drug Development Technologies
https://www.readbyqxmd.com/read/28723222/extraction-of-2-phenylethanol-pea-from-aqueous-solution-using-ionic-liquids-synthesis-phase-equilibrium-investigation-selectivity-in-separation-and-thermodynamic-models
#7
Urszula Maria Domanska, Patrycja Okuniewska, Kamil Paduszyński, Marta Królikowska, Maciej Zawadzki, Mikolaj Wieckowski
This work presents some important issues and topics related to possible extraction of 2-phenylethanol (PEA) from aqueous phase "in situ" during the biosynthesis. It consist of a series of experimental phase equilibrium measurements in binary and ternary systems. Ionic liquids (ILs) are an important new media for imaging and sensing applications because of their solvation property, thermal stability and negligible vapor pressure. However, complex procedures and non-miscibility with water are often required in PEA extraction...
July 19, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28723139/sensitive-cytokine-assay-based-on-optical-fiber-allowing-localized-and-spatially-resolved-detection-of-interleukin-6
#8
Guozhen Liu, Kaixin Zhang, Annemarie Nadort, Mark R Hutchinson, Ewa M Goldys
We demonstrated a cytokine detection device based on gold nanoparticle modified silica optical fiber for the monitoring of locally variable cytokine interleukin-6 (IL-6) concentrations using a sandwich immunoassay scheme. The fiber is designed to be introduced into an intrathecal catheter with micrometer-sized holes drilled along its length to enable fluid exchange between the outside and inside of the catheter. An exposed optical fiber (diameter 125 μm) modified with a layer of gold nanoparticles was functionalized with the IL-6 capture antibody to form the sensing interface...
February 24, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28723129/carbon-dioxide-in-a-supported-ionic-liquid-membrane-structural-and-rotational-dynamics-measured-with-2d-ir-and-pump-probe-experiments
#9
Jae Yoon Shin, Steven A Yamada, Michael D Fayer
Supported ionic liquid membranes (SILMs) are porous membranes impregnated with ionic liquids (ILs) and used as advanced carbon capture materials. Here, two-dimensional infrared (2D IR) and IR polarization selective pump-probe (PSPP) spectroscopies were used to investigate CO2 reorientation and spectral diffusion dynamics in SILMs. The SILM contained 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonly)imide in the poly(ether sulfone) membrane with average pore size of ~350 nm. Two ensembles of CO2 were observed in the SILM, one in the IL phase in the membrane pores and the other in the supporting membrane polymer...
July 19, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28722682/activation-of-the-nrf2-are-signaling-pathway-by-probucol-contributes-to-inhibiting-inflammation-and-neuronal-apoptosis-after-spinal-cord-injury
#10
Zipeng Zhou, Chang Liu, Shurui Chen, Haosen Zhao, Kang Zhou, Wei Wang, Yajiang Yuan, Zhuo Li, Yue Guo, Zhaoliang Shen, Xifan Mei
The nuclear erythroid 2-related factor 2 (Nrf2)/antioxidant response element (ARE) signaling pathway plays an essential role in the cellular antioxidant and anti-inflammatory responses. Spinal cord injury (SCI) results in a massive release of inflammatory factors and free radicals, which seriously compromise nerve recovery and axon regeneration. In this study, we examined the efficacy of probucol on anti-inflammatory responses and functional recovery after SCI by activating the Nrf2/ARE signaling pathway. We also investigated the mechanism by which inflammation is inhibited in this process...
July 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28722635/early-life-inflammation-and-neurodevelopmental-outcome-in-bangladeshi-infants-growing-up-in-adversity
#11
Nona M Jiang, Fahmida Tofail, Jennie Z Ma, Rashidul Haque, Beth Kirkpatrick, Charles A Nelson, William A Petri
Exposure to profound adversity can negatively affect the neurodevelopment of children, but biologic mechanisms that underlie this association remain unknown. We sought to determine whether elevated levels of the inflammatory markers C-reactive protein (CRP) and soluble CD14 (sCD14) are associated with neurodevelopmental outcomes in Bangladeshi children. A total of 422 infant-mother pairs from an urban slum in Dhaka, Bangladesh, were enrolled at birth and followed prospectively. Inflammation was measured with sCD14, interleukin (IL)-1β, and IL-6 at 18 weeks, and CRP at 6, 18, 40, and 53 weeks...
July 17, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28722236/the-membrane-type-estrogen-receptor-g-protein-coupled-estrogen-receptor-suppresses-lipopolysaccharide-induced-interleukin-6-via-inhibition-of-nuclear-factor-kappa-b-pathway-in-murine-macrophage-cells
#12
Mariko Okamoto, Takuto Suzuki, Yoichi Mizukami, Teruo Ikeda
The female sex hormone estrogen exerts anti-inflammatory effects. The G-protein-coupled estrogen receptor (GPER) has been recently identified as a novel membrane-type estrogen receptor that can mediate non-genomic estrogenic effects on many cell types. We previously demonstrated that GPER inhibits tumor necrosis factor alpha-induced expression of interleukin 6 (IL-6) through repression of nuclear factor-kappa B (NF-κB) promoter activity using human breast cancer cells. Although several reports have indicated that GPER suppresses Toll-like receptor-induced inflammatory cytokine expression in macrophages, the molecular mechanisms of the inhibition of cytokine production via GPER remain poorly understood...
July 18, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28721679/phytochemicals-as-potential-antidotes-for-targeting-nf-%C3%AE%C2%BAb-in-rheumatoid-arthritis
#13
REVIEW
R Kowshik Aravilli, S Laveen Vikram, V Kohila
Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune destructive arthropathy prevalent among people in the age group of 40-70 years. RA induces severe pain, swelling and stiffness of joints resulting in bone damage. RA leads to reduced life expectancy when left untreated. RA is characterized by synovial hyperplasia, infiltration of inflammatory cells resulting in formation of pannus. Synovial hyperplasia is mediated by proinflammatory cytokines, notably IL-1 and TNF-α. NF-κB is a predominant transcription factor in amplifying the inflammatory response...
August 2017: 3 Biotech
https://www.readbyqxmd.com/read/28721620/methane-biofiltration-in-the-presence-of-ethanol-vapor-under-steady-and-transient-state-conditions-an-experimental-study
#14
Milad Ferdowsi, Antonio Avalos Ramirez, Joseph Peter Jones, Michèle Heitz
Methane (CH4) removal in the presence of ethanol vapors was performed by a stone-based bed and a hybrid packing biofilter in parallel. In the absence of ethanol, a methane removal efficiency of 55 ± 1% was obtained for both biofilters under similar CH4 inlet load (IL) of 13 ± 0.5 gCH4 m(-3) h(-1) and an empty bed residence time (EBRT) of 6 min. The results proved the key role of the bottom section in both biofilters for simultaneous removal of CH4 and ethanol. Ethanol vapor was completely eliminated in the bottom sections for an ethanol IL variation between 1 and 11 gethanol m(-3) h(-1)...
July 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28721329/effect-of-different-crown-materials-on-the-interleukin-one-beta-content-of-gingival-crevicular-fluid-in-endodontically-treated-molars-an-original-research
#15
Prathibha Saravanakumar, Padmanabhan Thallam Veeravalli, Anand Kumar V, Kasim Mohamed, Umamaheswari Mani, Manita Grover, Saravanan Thirumalai Thangarajan
INTRODUCTION: Crown materials used in fixed prosthodontics come into close and prolonged contact with the gingiva. OBJECTIVE: The purpose of this study was to evaluate the effect of different crown materials on the interleukin-one beta (IL-1β) content of the gingival crevicular fluid and to study which crown material causes the highest inflammation on the marginal gingiva on a biochemical basis. MATERIALS AND METHODS: Twenty patients with single endodontically treated tooth were examined...
June 16, 2017: Curēus
https://www.readbyqxmd.com/read/28721300/extracellular-matrix-alterations-in-the-peyronie-s-disease
#16
Marcelo Silva Watanabe, Thérèse Rachel Theodoro, Natália Lima Coelho, Aline Mendes, Monica Luzia Pereira Leonel, Ana Maria Mader, Helena Bonciani Nader, Sidney Glina, Maria Aparecida Silva Pinhal
Peyronie's disease is characterized by fibrous plaque formation of the tunica albuginea, causing penile deformity and fertility problems. The aim of the present study was to investigate alterations in the extracellular matrix in Peyronie's disease. The study used tissues collected by surgical procedure from individuals that presented a well-established disease, while control samples were obtained by biopsies of fresh cadavers. Immunohistochemistry analysis followed by digital quantification was performed to evaluate TGF-β, heparanases and metalloproteinases (MMPs)...
July 2017: Journal of Advanced Research
https://www.readbyqxmd.com/read/28721202/defining-the-inflammatory-signature-of-human-lung-explant-tissue-in-the-presence-and-absence-of-glucocorticoid
#17
Tracy L Rimington, Emily Hodge, Charlotte K Billington, Sangita Bhaker, Binaya K C, Iain Kilty, Scott Jelinsky, Ian P Hall, Ian Sayers
BACKGROUND:  Airway inflammation is a feature of many respiratory diseases and there is a need for newer, more effective anti-inflammatory compounds. The aim of this study was to develop an ex vivo human lung explant model which can be used to help study the mechanisms underlying inflammatory responses and which can provide a tool to aid drug discovery for inflammatory respiratory diseases such as asthma and COPD. METHOD:  Parenchymal lung tissue from 6 individual donors was dissected and cultured with two pro-inflammatory stimuli, lipopolysaccharide (LPS) (1 µg/ml) and interleukin-1 beta (IL-1β) (10 ng/ml) in the presence or absence of dexamethasone (1 µM)...
2017: F1000Research
https://www.readbyqxmd.com/read/28721145/increased-plasma-concentrations-of-interleukin-35-in-patients-with-coronary-artery-disease
#18
Paulina Gorzelak-Pabiś, Maciej Chalubinski, Katarzyna Wojdan, Emilia Luczak, Iwona Duraj, Monika Mozdzan, Marlena Broncel
INTRODUCTION: Atherosclerosis leading to coronary artery disease (CAD) is a chronic inflammatory condition. Interleukin 35 (IL-35) released by regulatory T cells (Tregs) has been found to be associated with CAD in the Chinese population. However, nothing is known about the relation between IL-35 concentrations and cholesterol levels. The aim of the study was to assess the levels of IL-35 in CAD patients and healthy subjects from a Caucasian population, and to analyze the relationship between IL-35 and the levels of total cholesterol, low-density lipoprotein (LDL) and high-density lipoprotein (HDL) cholesterol, left ventricular ejection fraction (LVEF), sex and postmenopausal status...
June 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28721121/does-the-injection-of-platelet-rich-plasma-induce-changes-in-the-gene-expression-and-morphology-of-intact-thoroughbred-skeletal-muscle
#19
Kentaro Fukuda, Hirofumi Miyata, Atsutoshi Kuwano, Taisuke Kuroda, Norihisa Tamura, Yasumitsu Kotoyori, Yoshinori Kasashima
Platelet-rich plasma (PRP) therapy is promising for treating skeletal muscle injuries in human athletes by promoting muscle regeneration. It might also be useful for treating muscle injuries in equine athletes. In the present study, muscle regeneration induced by injection of PRP into intact muscle of Thoroughbred was investigated. Autologous PRP and saline were injected twice into intact left and right gluteus medius muscles of seven clinically healthy Thoroughbreds. Muscle samples were collected from the injection sites by needle biopsy at 2 and 7 days after PRP injection...
2017: Journal of Equine Science
https://www.readbyqxmd.com/read/28720944/evaluation-of-the-chemical-composition-antioxidant-and-anti-inflammatory-activities-of-distillate-and-residue-fractions-of-sweet-basil-essential-oil
#20
Hailong Li, Yanhui Ge, Zhimin Luo, Yulan Zhou, Xuguang Zhang, Junqing Zhang, Qiang Fu
In this study, the chemical composition and antioxidant and anti-inflammatory activities of sweet basil (Ocimum basilicum L. Lamiaceae family) were evaluated. Sweet basil is a food-related plant that is widely used in traditional Chinese medicine. Sweet basil crude oil was processed via molecular distillation and further characterized using gas chromatography-mass spectrometry (GC-MS) to screen for new compounds. The GC-MS analysis identified thirty-eight compounds. The major constituents of the residue fraction were estragole (17...
June 2017: Journal of Food Science and Technology
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