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https://www.readbyqxmd.com/read/29352770/concentration-dependent-effect-of-bleaching-agents-on-the-immunolabeling-of-interleukin-6-interleukin-17-and-cd5-positive-cells-in-the-dental-pulp
#1
F Benetti, J E Gomes-Filho, L L Ferreira, G Sivieri-Araújo, E Ervolino, A L F Briso, L T A Cintra
AIM: To evaluate lymphocyte-like cell activation (CD5-positive cells) and the expression of interleukin (IL)-6 and IL-17 in the pulp after dental bleaching with two concentrations of hydrogen peroxide (H2 O2 ). METHODOLOGY: The right and left maxillary molars from 40 rats were treated randomly with bleaching gel with 20% H2 O2 (BLUE group, 1 application of 50 min), 35% H2 O2 (MAXX group, 3 applications of 15 min), or placebo gel (Control). After 2 and 30 days, the rats were killed (n=10), and the jaws were processed for histological and immunohistochemistry analysis of the pulp tissue...
January 20, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/29352731/induced-cumulus-expansion-of-poor-quality-buffalo-cumulus-oocyte-complexes-by-interleukin-1beta-improves-their-developmental-ability
#2
Gaurav Kumar Chaubey, Sandeep Kumar, Manish Kumar, Parul Sarwalia, Arumugam Kumaresan, Sachinandan De, Rakesh Kumar, Tirtha Kumar Datta
The present study was conceived with the aim of modulating the cumulus expansion characteristics of poor quality (BCB-) buffalo oocyte complexes (COCs) in order to improve their fertilization outcomes. BCB- COCs were subjected to in vitro maturation (IVM) in presence of Interleukin - 1 beta (IL-1β) along with BCB- (control) and good quality (BCB +) COCs. Results were assessed morphologically, by scanning electron microscopy (SEM) and by expression analysis of cumulus expansion related genes. Also, numbers of zona pellucida bound spermatozoa were counted and development rates of oocytes were monitored under different groups...
January 20, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29352206/omega-3-carboxylic-acids-provide-efficacious-anti-inflammatory-activity-in-models-of-crystal-mediated-inflammation
#3
Cory Iverson, Andrew Bacong, Sha Liu, Scott Baumgartner, Torbjörn Lundström, Jan Oscarsson, Jeffrey N Miner
This study assesses the efficacy and exposure-response relationship of omega-3-carboxylic acids (OM-3 CA) in models of crystal-based inflammation. Human THP-1 macrophages and primary peripheral blood mononuclear cells exposed to multiple inflammatory crystal types were used to determine the anti-inflammatory potential of omega-3 (OM-3) fatty acids in vitro. Anti-inflammatory effects of OM-3 CA in vivo were tested in rat monosodium urate (MSU) crystal air pouch and rat knee intra-articular MSU injection models...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29351816/effects-of-gut-derived-endotoxin-on-anxiety-like-and-repetitive-behaviors-in-male-and-female-mice
#4
Christopher T Fields, Benoit Chassaing, Alexandra Castillo-Ruiz, Remus Osan, Andrew T Gewirtz, Geert J de Vries
BACKGROUND: Gut dysbiosis is observed in several neuropsychiatric disorders exhibiting increases in anxiety behavior, and recent work suggests links between gut inflammation and such disorders. One source of this inflammation may be lipopolysaccharide (LPS), a toxic component of gram-negative bacteria. Here, we (1) determine whether oral gavage of LPS, as a model of gut-derived endotoxemia, affects anxiety-like and/or repetitive behaviors; (2) test whether these changes depend on TLR4 signaling; and (3) test the extent to which gut-derived endotoxin and TLR4 antagonism affects males and females differently...
January 19, 2018: Biology of Sex Differences
https://www.readbyqxmd.com/read/29351788/elevated-inflammatory-cytokines-in-aqueous-cytokine-profile-in-hiv-1-infected-patients-with-cataracts-in-uganda
#5
Juliet Otiti-Sengeri, Robert Colebunders, Steven J Reynolds, Musa Muwonge, Getrude Nakigozi, Valerian Kiggundu, Fred Nalugoda, Damalie Nakanjako
BACKGROUND: Cataracts occur earlier among HIV-infected adults and this is attributed to various intraocular inflammatory processes that result in early degeneration. In this study we purposed to investigate whether HIV infected individuals with cataracts develop heightened intraocular inflammatory processes compared to their HIV negative counterparts by determining the concentration of 8 cytokines in the aqueous humour of HIV-positive adults with cataracts and their HIV-negative counterparts...
January 19, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29351482/suppression-of-gut-dysbiosis-reverses-western-diet-induced-vascular-dysfunction
#6
Micah L Battson, Dustin M Lee, Dillon K Jarrell, Shuofei Hou, Kayl E Ecton, Tiffany L Weir, Christopher L Gentile
OBJECTIVE: Vascular dysfunction represents a critical pre-clinical step in the development of cardiovascular disease. We examined the role of the gut microbiota in the development of obesity-related vascular dysfunction. Approach and Results. Male C57BL/6J mice were fed either a standard diet (SD) (n=12) or western diet (WD) (n=24) for 5m, after which time, WD mice were randomized to receive either un-supplemented drinking water or water containing a broad-spectrum antibiotic cocktail (WD+Abx) (n=12/group) for 2m...
December 26, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29351455/thrombosis-systemic-and-cardiac-oxidative-stress-and-dna-damage-induced-by-pulmonary-exposure-to-diesel-exhaust-particles-and-the-effect-of-nootkatone-thereon
#7
Abderrahim Nemmar, Suhail Al-Salam, Sumaya Beegam, Priya Yuvaraju, Badreldin H Ali
Adverse cardiovascular effects of particulate air pollution persist even at lower concentrations than those of the current air quality limit. Therefore, identification of safe and effective measures against particles-induced cardiovascular toxicity is needed. Nootkatone is a sesquiterpenoid in grapefruit with diverse bioactivities including anti-inflammatory and antioxidant effects. However, its protective effect on the cardiovascular injury induced by diesel exhaust particles (DEP) has not been studied before...
January 5, 2018: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29351406/interleukin-6-promotes-a-sustained-loss-of-endothelial-barrier-function-via-janus-kinase-mediated-stat3-phosphorylation-and-de-novo-protein-synthesis
#8
Hiba Alsaffar, Nina Martino, Joshua P Garrett, Alejandro P Adam
Vascular leakage is a hallmark of the inflammatory response. Acute changes in endothelial permeability are due to post-translational changes in intercellular adhesion and cytoskeleton proteins. However, little is known about the mechanisms leading to long-term changes in vascular permeability. Here, we show that Interleukin-6 (IL-6) promotes an increase in endothelial monolayer permeability that lasts over 24 h and demonstrate that activation of Src and MEK/Erk pathways are required only for short-term increases in permeability, being dispensable after 2 h...
January 10, 2018: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/29351392/young-mice-expel-the-tapeworm-hymenolepis-diminuta-and-are-protected-from-colitis-by-triggering-a-memory-response-with-worm-antigen
#9
Toshio Arai, Fernando Lopes, Adam Shute, Arthur Wang, Derek M McKay
Infection with helminth parasites reduces the severity of concomitant inflammatory disease in adult mice. There is an alarming increase of IBD in children. It is important to determine if helminth therapy would be of value in pediatric IBD, and if triggering immunological memory to the worm would be anti-colitic. Three-week (young) and eight-week (adult) old Balb/c mice were infected with H. diminuta, and infectivity and T helper (TH)-2 immunity assessed. Other mice received H. diminuta {plus minus} a crude worm extract (HdE) 28-42 days post-infection (dpi) {plus minus} dinitrobenzene sulphonic acid (DNBS; 1...
January 4, 2018: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/29351340/inhibition-of-interleukin-6-decreases-atrogene-expression-and-ameliorates-tail-suspension-induced-skeletal-muscle-atrophy
#10
Mitsutaka Yakabe, Sumito Ogawa, Hidetaka Ota, Katsuya Iijima, Masato Eto, Yasuyoshi Ouchi, Masahiro Akishita
BACKGROUND: Interleukin-6 (IL-6) is an inflammatory cytokine. Whether systemic IL-6 affects atrogene expression and disuse-induced skeletal muscle atrophy is unclear. METHODS: Tail-suspended mice were used as a disuse-induced muscle atrophy model. We administered anti-mouse IL-6 receptor antibody, beta-hydroxy-beta-methylbutyrate (HMB) and vitamin D to the mice and examined the effects on atrogene expression and muscle atrophy. RESULTS: Serum IL-6 levels were elevated in the mice...
2018: PloS One
https://www.readbyqxmd.com/read/29350757/hepatoprotective-effects-of-sophoricoside-against-fructose-induced-liver-injury-via-regulating-lipid-metabolism-oxidation-and-inflammation-in-mice
#11
Wenfeng Li, Yalong Lu
The dried fruit of Sophora japonica L. is a traditional Chinese herb tea rich in sophoricoside that is an isoflavone glycoside. The aim of current study was to investigate the hepatic protective effect of sophoricoside in high fructose (HF) diet fed mice. Healthy male mice were fed 30% fructose water and treated 80 and 160 mg/kg·bw sophoricoside continuously for 8 wk. Our data showed that administration of sophoricoside at 80 and 160 mg/kg·bw observably decreased the body weight and liver weight in HF-fed mice...
January 19, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29350603/decision-tree-analysis-in-subarachnoid-hemorrhage-prediction-of-outcome-parameters-during-the-course-of-aneurysmal-subarachnoid-hemorrhage-using-decision-tree-analysis
#12
Isabel Charlotte Hostettler, Carl Muroi, Johannes Konstantin Richter, Josef Schmid, Marian Christoph Neidert, Martin Seule, Oliver Boss, Athina Pangalu, Menno Robbert Germans, Emanuela Keller
OBJECTIVE The aim of this study was to create prediction models for outcome parameters by decision tree analysis based on clinical and laboratory data in patients with aneurysmal subarachnoid hemorrhage (aSAH). METHODS The database consisted of clinical and laboratory parameters of 548 patients with aSAH who were admitted to the Neurocritical Care Unit, University Hospital Zurich. To examine the model performance, the cohort was randomly divided into a derivation cohort (60% [n = 329]; training data set) and a validation cohort (40% [n = 219]; test data set)...
January 19, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29350530/structural-variation-and-microrheological-properties-of-a-homogeneous-polysaccharide-from-wheat-germ
#13
Liyuan Yun, Tao Wu, Rui Liu, Kun Li, Min Zhang
A novel water-soluble polysaccharide (WGP) was purified from the crude wheat germ polysaccharide by Sephacryl S-500HRgel filtration. The molecular weight of WGP was determined as 4.89×106 Da and composed of arabinose, xylose, glucose, and galactose, with a molar ratio of 29.3%:42.7%:14.7%:13.3%, respectively. WGP was subjected for structural characterization by methylation analysis and 1D/2D nuclear magnetic resonance. WGP was mainly a backbone consisting of (1→4)-linked--D-Xylp (19.01%), (1→3, 4)-linked--D-Xylp (26...
January 19, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29350427/role-of-microglia-in-the-spinal-cord-in-colon-to-bladder-neural-crosstalk-in-a-rat-model-of-colitis
#14
Tsuyoshi Majima, Yasuhito Funahashi, Naoki Kawamorita, Shun Takai, Yoshihisa Matsukawa, Tokunori Yamamoto, Naoki Yoshimura, Momokazu Gotoh
AIMS: We investigated whether spinal cord microglia are involved in colon-to-bladder neural crosstalk in a rat model of colitis. METHODS: Adult female SD rats were divided into A) control, B) colitis, and C) colitis + minocycline groups. Experimental colitis was induced by administering 50% trinitrobenzene sulfonic acid into the distal colon in the colitis group and the minocycline group. Minocycline, a microglial inhibitor, was continuously infused into the intrathecal space in the minocycline group...
January 19, 2018: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29350052/protective-mechanisms-of-6-gingerol-in-dextran-sulfate-sodium-induced-chronic-ulcerative-colitis-in-mice
#15
B O Ajayi, I A Adedara, E O Farombi
Ulcerative colitis (UC) is a relapsing and remitting inflammatory disease of the colon, with an increasing incidence worldwide. 6-Gingerol (6G) is a bioactive constituent of Zingiber officinale, which has been reported to possess various biological activities. This study was designed to evaluate the role of 6G in chronic UC. Chronic UC was induced in mice by three cycles of 2.5% dextran sulfate sodium (DSS) in drinking water. Each cycle consisted of 7 days of 2.5% DSS followed by 14 days of normal drinking water...
January 1, 2018: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/29349661/pkm2-is-involved-in-neuropathic-pain-by-regulating-erk-and-stat3-activation-in-rat-spinal-cord
#16
Binbin Wang, Siyuan Liu, Bingbing Fan, Xingguo Xu, Yonglin Chen, Rongxiang Lu, Zhongling Xu, Xiaojuan Liu
BACKGROUND: Pyruvate kinase isozymes M2 (PKM2), as a member of pyruvate kinase family, plays a role of glycolytic enzyme in glucose metabolism. It also functions as protein kinase in cell proliferation, signaling, immunity, and gene transcription. In this study, the role of PKM2 in neuropathic pain induced by chronic constriction injury (CCI) was investigated. METHODS: Rats were randomly grouped to establish CCI models. PKM2, extracellular regulated protein kinases (EKR), p-ERK, signal transducers and activators of transcription (STAT3), p-STAT3, phosphoinositide 3-kinase/protein kinase B (PI3K/AKT) and p-PI3K/AKT proteins expression in spinal cord was examined by Western blot analysis...
January 18, 2018: Journal of Headache and Pain
https://www.readbyqxmd.com/read/29348885/drug-resistance-in-doxorubicin-resistant-fl5-12-hematopoietic-cells-elevated-mdr1-drug-efflux-and-side-population-positive-and-decreased-bcl2-family-member-expression
#17
Linda S Steelman, Steve L Abrams, Peter Ruvolo, Vivian Ruvolo, Lucio Cocco, Stefano Ratti, Alberto M Martelli, Luca M Neri, Saverio Candido, Massimo Libra, James A McCubrey
Chemotherapeutic drug treatment can result in the emergence of drug-resistant cells. By culturing an interleukin-3 (IL-3)-dependent cell line, FL5.12 cells in the presence of the chemotherapeutic drug doxorubicin, we isolated FL/Doxo cells which are multi-drug resistant. Increased levels of drug efflux were detected in FL/Doxo cells which could be inhibited by the MDR1 inhibitor verapamil but not by the MRP1 inhibitor MK571. The effects of TP53 and MEK1 were examined by infection of FL/Doxo cells with retroviruses encoding either a dominant negative TP-53 gene (FL/Doxo+ TP53 (DN) or a constitutively-activated MEK-1 gene (FL/Doxo + MEK1 (CA)...
December 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29348820/effects-of-different-cytokines-on-immune-responses-of-rainbow-trout-in-a-virus-dna-vaccination-model
#18
Yongsheng Cao, Qiya Zhang, Liming Xu, Shaowu Li, Di Wang, Jingzhuang Zhao, Hongbai Liu, Jian Feng, Tongyan Lu
Seven rainbow trout cytokine genes (interleukin (IL)-2, IL-8, IL-15, IL-17, IL-1β, intracellular interferon (iIFN) 1a, and IFN-γ2) were evaluated for their adjuvant effects on a DNA vaccine, called pG, containing the glycoprotein gene of infectious hematopoietic necrosis virus (IHNV). Distinct DNA constructs in expression plasmid pcDNA3.1 encoding a cytokine gene were generated. Immunofluorescence assays in rainbow trout gonadal cells demonstrated successful protein expression from all these constructs. Subsequently, fish were immunized with pG alone or together with a cytokine expression plasmid...
December 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29348722/regulatory-effects-of-saponins-from-panax-japonicus-on-colonic-epithelial-tight-junctions-in-aging-rats
#19
Yaoyan Dun, Min Liu, Jing Chen, Danli Peng, Haixia Zhao, Zhiyong Zhou, Ting Wang, Chaoqi Liu, Yuhui Guo, Changcheng Zhang, Ding Yuan
Background: Saponins from Panax japonicus (SPJ) are the most abundant and main active components of P. japonicus, which replaces ginseng roots in treatment for many kinds of diseases in the minority ethnic group in China. Our previous studies have demonstrated that SPJ has the effects of anti-inflammation through the mitogen-activated protein kinase (MAPK) and nuclear factor kappa B (NF-κB) signaling pathways. The present study was designed to investigate whether SPJ can modulate intestinal tight junction barrier in aging rats and further to explore the potential mechanism...
January 2018: Journal of Ginseng Research
https://www.readbyqxmd.com/read/29348630/expression-of-inflammasome-proteins-and-inflammasome-activation-occurs-in-human-but-not-in-murine-keratinocytes
#20
Jennifer Sand, Eric Haertel, Thomas Biedermann, Emmanuel Contassot, Ernst Reichmann, Lars E French, Sabine Werner, Hans-Dietmar Beer
Inflammasomes are multimeric protein complexes that assemble upon sensing of a variety of stress factors. Their formation results in caspase-1-mediated activation and secretion of the pro-inflammatory cytokines pro-interleukin(IL)-1β and -18, which induce an inflammatory response. Inflammation is supported by a lytic form of cell death, termed pyroptosis. Innate immune cells, such as macrophages or dendritic cells, express and activate inflammasomes. However, it has also been demonstrated that human primary keratinocytes activate different types of inflammasomes in vitro, for example, upon UVB irradiation or viral infection...
January 18, 2018: Cell Death & Disease
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