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https://www.readbyqxmd.com/read/27926989/targeting-gm-csf-in-epithelial-and-vascular-remodeling-in-experimental-eosinophilic-esophagitis
#1
Eóin N McNamee, Kathryn A Biette, Juliet Hammer, Rachel Harris, Heather Miyazawa, James J Lee, Glenn T Furuta, Joanne C Masterson
BACKGROUND: Eosinophilic esophagitis (EoE) is a chronic antigen-mediated clinicopathologic disease of the esophagus characterized by an eosinophil-predominant inflammatory infiltrate. A clinical hallmark is extensive tissue remodeling including basal zone hyperplasia, fibrosis and angiogenesis. However, the cellular mechanisms responsible for these processes are not fully defined. We hypothesized that targeting GM-CSF (an agonist cytokine linked with eosinophil survival and activation) would be protective in a pre-clinical model of EoE...
December 7, 2016: Allergy
https://www.readbyqxmd.com/read/27926944/targeting-neutrophils-to-prevent-malaria-associated-acute-lung-injury-acute-respiratory-distress-syndrome-in-mice
#2
Michelle K Sercundes, Luana S Ortolan, Daniela Debone, Paulo V Soeiro-Pereira, Eliane Gomes, Elizabeth H Aitken, Antonio Condino Neto, Momtchilo Russo, Maria R D' Império Lima, José M Alvarez, Silvia Portugal, Claudio R F Marinho, Sabrina Epiphanio
Malaria remains one of the greatest burdens to global health, causing nearly 500,000 deaths in 2014. When manifesting in the lungs, severe malaria causes acute lung injury/acute respiratory distress syndrome (ALI/ARDS). We have previously shown that a proportion of DBA/2 mice infected with Plasmodium berghei ANKA (PbA) develop ALI/ARDS and that these mice recapitulate various aspects of the human syndrome, such as pulmonary edema, hemorrhaging, pleural effusion and hypoxemia. Herein, we investigated the role of neutrophils in the pathogenesis of malaria-associated ALI/ARDS...
December 2016: PLoS Pathogens
https://www.readbyqxmd.com/read/27926461/long-chain-polyunsaturated-fatty-acids-regulation-of-ppars-signaling-relationship-to-tissue-development-and-aging
#3
REVIEW
Francisca Echeverría, Macarena Ortiz, Rodrigo Valenzuela, Luis A Videla
Peroxisome proliferator-activated receptors (PPARs) are nuclear receptors that function as ligand-dependent transcription factors that can be activated by different types of fatty acids (FAs). Three isoforms of PPARs have been identify, namely, PPARα, PPARβ/δ, and PPARγ, which are able to bind long-chain polyunsaturated FAs (LCPUFAs), n-3 LCPUFAs being bound with greater affinity to achieve activation. FA binding induces a conformational change of the nuclear receptors, triggering the transcription of specific genes including those encoding for various metabolic and cellular processes such as FA β-oxidation and adipogenesis, thus representing key mediators of lipid homeostasis...
November 2016: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/27925683/inorganic-polyphosphate-a-key-modulator-of-inflammation
#4
REVIEW
Seyed Mahdi Hassanian, Amir Avan, Abdolreza Ardeshirylajimi
Inorganic polyphosphate (PolyP) is a molecule with prothrombotic and proinflammatory properties in blood. PolyP activates the NF-κB signaling pathway, increases the expression of cell surface adhesion molecules and disrupts the vascular barrier integrity of endothelial cells. PolyP-induced NF-κB activation and vascular hyperpermeability are regulated by the mTORC1 and mTORC2 pathways, respectively. Through interaction with RAGE and P2Y1 receptors, PolyP dramatically amplifies the proinflammatory responses of nuclear proteins...
December 7, 2016: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/27925610/ex-vivo-cutaneous-bioavailability-of-topical-mometasone-furoate-in-an-o-w-preparation
#5
Johannes Wohlrab, Reinhard H H Neubert, Elfi Sommer, Julia Michael
Mometasone furoate (MMF) is a modern glucocorticoid of the 4th generation, which has been proven not only for inhalation but also for cutaneous treatment. Due to its lipophilic character, it is mainly used in ointments and creams with an outer lipophilic phase (W/O type). However, this study investigated the cutaneous cytotoxicology of MMF and tried to characterize its pharmacokinetic effects on the skin using an O/W preparation. An HPLC method has been developed and validated for the detection of MMF in cutaneous tissue, and concentration-time curves of MMF were created after cutaneous application on unaffected as well as lesional skin...
December 8, 2016: Skin Pharmacology and Physiology
https://www.readbyqxmd.com/read/27925325/inflammation-oxidative-stress-and-apoptosis-cascade-implication-in-bisphenol-a-induced-liver-fibrosis-in-male-rats
#6
Sahar El-Sayed Elswefy, Fatma Rizk Abdallah, Hebatallah Husseini Atteia, Alaa Samir Wahba, Rehab Abdallah Hasan
Bisphenol A (BPA) is a key monomer in the production of plastics. It has been shown to be hepatotoxic. Inflammation and oxidative stress are closely linked with liver fibrosis, the major contributing factor to hepatic failure. Therefore, the aim of this study was to evaluate the impact of chronic exposure to BPA on the development of hepatic fibrosis in male rats and to determine the cross-talk between the hepatic cytokine network, oxidative stress and apoptosis. For this purpose, 30 male Wistar albino rats were divided into three equal groups as follows: the first group was given no treatment (normal control group); the second group was given corn oil once daily by oral gavage for 8 weeks (vehicle control group); and the third group received BPA (50 mg/kg body weight/day, p...
December 7, 2016: International Journal of Experimental Pathology
https://www.readbyqxmd.com/read/27925201/vascular-inter-regulation-of-inflammation-molecular-and-cellular-targets-for-cns-therapy
#7
REVIEW
Marta Machado-Pereira, Tiago Santos, Liliana Bernardino, Raquel Ferreira
Angiogenesis and inflammation are clearly interconnected and interdependent processes that are dysregulated in a series of systemic and brain pathologies. Herein, key aspects regarding endothelial cell function and tissue remodelling that are particularly affected or aggravated by inflammation are presented. Most importantly, the cellular and molecular mechanisms involved in the vascular regulation of the inflammatory processes occurring in several brain disorders and how they impact on disease/injury progression are detailed, highlighting potential targets for therapy...
December 7, 2016: Journal of Neurochemistry
https://www.readbyqxmd.com/read/27925194/sv40-infection-of-mesenchymal-stromal-cells-from-wharton-s-jelly-drives-the-production-of-inflammatory-and-tumoral-mediators
#8
Carolina Cason, Giuseppina Campisciano, Nunzia Zanotta, Erica Valencic, Serena Delbue, Ramona Bella, Manola Comar
The Mesenchymal Stromal Cells from umbilical cord Wharton's jelly (WJSCs) are a source of cells with high potentiality for the treatment of human immunological disorders. Footprints of the oncogenic viruses Simian Virus 40 (SV40) and JC Virus (JCPyV) have been recently detected in human WJSCs specimens. The aim of this study is to evaluate if WJSCs can be efficiently infected by these Polyomaviruses and if they can potentially exert tumoral activity. Cell culture experiments indicated that WJSCs could sustain both SV40 and JCPyV infections...
December 7, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27924924/pleiotropic-effects-of-acarbose-on-atherosclerosis-development-in-rabbits-are-mediated-via-upregulating-ampk-signals
#9
Kuei-Chuan Chan, Meng-Hsun Yu, Ming-Cheng Lin, Chien-Ning Huang, Dai-Jung Chung, Yi-Ju Lee, Cheng-Hsun Wu, Chau-Jong Wang
Acarbose, an α-glucosidase inhibitor, is reported to reduce the incidence of silent myocardial infarction and slow the progression of intima-media thickening in patients with glucose intolerance. Here we investigate other impacts of acarbose on atherosclerosis development and the underlying mechanisms of atherosclerosis initiation and progression in vivo and in vitro. Rabbits fed a high cholesterol diet (HCD) were treated with acarbose (2.5-5.0 mg kg(-1)). Immunohistochemistry was used to assess the expression of inducible nitric oxide synthase (iNOS), Ras, proliferating cell nuclear antigen (PCNA), IL-6, β-galactosidase, and p-AMPK in atherosclerotic lesions...
December 7, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27924645/cardiovascular-outcomes-and-tumour-necrosis-factor-antagonists-in-chronic-inflammatory-rheumatic-disease-a-focus-on-rheumatoid-arthritis
#10
Giuliano Tocci, Delia Goletti, Valentina Marino, Andrea Matucci, Giuseppe Maria Milano, Fabrizio Cantini, Raffaele Scarpa
Many chronic rheumatic diseases have an inflammatory etiology, leading to accelerated atherosclerosis and increased occurrence of vascular diseases. In rheumatoid arthritis (RA), a reduction in cardiovascular (CV) events has been reported under treatments reducing systemic inflammation. Areas covered: Given the central role of tumour necrosis factor alpha (TNFα) in chronic inflammatory conditions and in atherosclerosis, it has been suggested that TNFα-antagonists may reduce CV risk and mortality. Although there are no randomized controlled or head-to-head trials investigating the effect of specific anti-TNF-agents on CV outcomes, observational cohort studies, national registry data, and meta-analyses in RA have reported improved CV outcomes with anti-TNF therapy...
December 2016: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/27924525/a-three-day-consecutive-fingolimod-administration-improves-neurological-functions-and-modulates-multiple-immune-responses-of-cci-mice
#11
Chuang Gao, Yu Qian, Jinhao Huang, Dong Wang, Wanqiang Su, Peng Wang, Linyue Guo, Wei Quan, Shuo An, Jianning Zhang, Rongcai Jiang
Excessive inflammation after traumatic brain injury (TBI) is a major cause of secondary TBI. Though several inflammatory biomarkers have been postulated as the risk factors of TBI, there has not been any comprehensive description of them. Fingolimod, a new kind of immunomodulatory agent which can diminish various kinds of inflammatory responses, has shown additional therapeutic effects in the treatment of intracranial cerebral hematoma (ICH), ischemia, spinal cord injury (SCI), and many other CNS disorders...
December 6, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27924425/inhibition-of-nlrp3-inflammasome-prevents-lps-induced-inflammatory-hyperalgesia-in-mice-contribution-of-nf-%C3%AE%C2%BAb-caspase-1-11-asc-nox-and-nos-isoforms
#12
Abdurrahman Dolunay, Sefika Pinar Senol, Meryem Temiz-Resitoglu, Demet Sinem Guden, Ayse Nihal Sari, Seyhan Sahan-Firat, Bahar Tunctan
The nucleotide-binding domain and leucine-rich repeat protein 3 (NLRP3), an intracellular signaling molecule that senses many environmental- and pathogen/host-derived factors, has been implicated in the pathogenesis of several diseases associated with inflammation. It has been suggested that NLRP3 inflammasome inhibitors may have a therapeutic potential in the treatment of NLRP3-related inflammatory diseases. The aim of this study was to determine whether inhibition of NLRP3 inflammasome prevents inflammatory hyperalgesia induced by lipopolysaccharide (LPS) in mice as well as changes in expression/activity of nuclear factor κB (NF-κB), caspase-1/11, nicotinamide adenine dinucleotide phosphate oxidase (NOX), and endothelial/neuronal/inducible nitric oxide synthase (eNOS/nNOS/iNOS) that may regulate NLRP3/apoptosis-associated speck-like protein containing a caspase recruitment domain (ASC)/pro-caspase-1 inflammasome formation and activity by using a selective NLRP3 inflammasome inhibitor, MCC950...
December 6, 2016: Inflammation
https://www.readbyqxmd.com/read/27924419/beneficial-effect-of-low-level-laser-therapy-in-acute-lung-injury-after-i-i-r-is-dependent-on-the-secretion-of-il-10-and-independent-of-the-tlr-myd88-signaling
#13
J L Carvalho, A Britto, A P Ligeiro de Oliveira, H Castro-Faria-Neto, R Albertini, E Anatriello, F Aimbire
The use of low-level laser for lung inflammation treatment has been evidenced in animal studies as well as clinical trials. The laser action mechanism seems to involve downregulation of neutrophil chemoattractants and transcription factors. Innate immune responses against microorganisms may be mediated by toll-like receptors (TLR). Intestinal ischemia and reperfusion (i-I/R) lead to bacterial product translocation, such as endotoxin, which consequently activates TLRs leading to intestinal and lung inflammation after gut trauma...
December 6, 2016: Lasers in Medical Science
https://www.readbyqxmd.com/read/27924359/effects-of-4-methylumbelliferone-and-high-molecular-weight-hyaluronic-acid-on-the-inflammation-of-corneal-stromal-cells-induced-by-lps
#14
Fang Li, Peng Hao, Guangjie Liu, Weiyi Wang, Ruifang Han, Zhixin Jiang, Xuan Li
PURPOSE: To investigate the effects of hyaluronic acid (HA) on the inflammation of corneal fibroblasts induced by lipopolysaccharide (LPS). METHODS: Primary rabbit corneal keratocytes were isolated with collagenase. The keratocytes were cultured in a serum-containing medium to induce corneal fibroblasts, which represented the wound repair phenotype of corneal keratocytes. Corneal fibroblasts were treated with LPS with or without 4-methylumbelliferone (4-MU) / high molecular weight hyaluronic acid (HMWHA)...
December 6, 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/27924161/combination-therapy-for-ulcerative-colitis-orally-targeted-nanoparticles-prevent-mucosal-damage-and-relieve-inflammation
#15
Bo Xiao, Zhan Zhang, Emilie Viennois, Yuejun Kang, Mingzhen Zhang, Moon Kwon Han, Jiucun Chen, Didier Merlin
Combination therapy is an emerging strategy that is under intensive preclinical investigation for the treatment of various diseases. CD98 is highly overexpressed on the surfaces of epithelial cells and macrophages in the colon tissue with ulcerative colitis (UC), which is usually associated with mucosal damage and inflammation. We previously proved that CD98 siRNA (siCD98)-induced down-regulation of CD98 in colitis tissue decreased the severity of UC to a certain extent. In an effort to further improve the therapeutic efficacy, we aim to simultaneously deliver siCD98 in combination with a potent anti-inflammatory agent, curcumin (CUR), using hyaluronic acid (HA)-functionalized polymeric nanoparticles (NPs)...
2016: Theranostics
https://www.readbyqxmd.com/read/27923701/prognostic-significance-of-repeat-biopsy-in-lupus-nephritis-histopathologic-worsening-and-a-short-time-between-biopsies-is-associated-with-significantly-increased-risk-for-end-stage-renal-disease-and-death
#16
Cristina Arriens, Sixia Chen, David R Karp, Ramesh Saxena, Kamalanathan Sambandam, Eliza Chakravarty, Judith A James, Joan T Merrill
BACKGROUND/PURPOSE: Approximately half of patients with systemic lupus erythematosus (SLE) develop lupus nephritis (LN), a major cause of morbidity and early mortality in that disease. Prolonged renal inflammation is associated with irreversible kidney damage which confers a 30% risk of end stage renal disease (ESRD), making early, aggressive treatment mandatory. Failure to achieve therapeutic response or recurrence of renal flare often prompts repeat biopsy. However, the role of repeat biopsy in determining long-term renal prognosis remains controversial...
December 3, 2016: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/27923524/the-therapeutic-potential-of-metabolic-hormones-in-the-treatment-of-age-related-cognitive-decline-and-alzheimer-disease
#17
REVIEW
John Grizzanti, Hyoung-Gon Lee, Antoni Camins, Merce Pallas, Gemma Casadesus
Aging leads to a number of physiological alterations, specifically changes in circulating hormone levels, increases in fat deposition, decreases in metabolism, changes in inflammatory responses, and reductions in growth factors. These progressive changes in physiology and metabolism are exacerbated by modern culture and Western diet and give rise to diseases such as obesity, metabolic syndrome, and type 2 (non-insulin-dependent) diabetes (T2D). These age and lifestyle-related metabolic diseases are often accompanied by insulin and leptin resistance, as well as aberrant amylin production and signaling...
November 8, 2016: Nutrition Research
https://www.readbyqxmd.com/read/27923447/amelioration-of-non-alcoholic-fatty-liver-disease-with-npc1l1-targeted-igy-or-n-3-polyunsaturated-fatty-acids-in-mice
#18
Jin-Sik Bae, Jong-Min Park, Junghoon Lee, Byung-Chul Oh, Sang-Ho Jang, Yun Bin Lee, Young-Min Han, Chan-Young Ock, Ji-Young Cha, Ki-Baik Hahm
Patients with non-alcoholic fatty liver disease (NAFLD) have an increased risk for progression to hepatocellular carcinoma in addition to comorbidities such as cardiovascular and serious metabolic diseases; however, the current therapeutic options are limited. Based on our previous report that omega-3 polyunsaturated fatty acids (n-3 PUFAs) can significantly ameliorate high fat diet (HFD)-induced NAFLD, we explored the therapeutic efficacy of n-3 PUFAs and N-IgY, which is a chicken egg yolk-derived IgY specific for the Niemann-Pick C1-Like 1 (NPC1L1) cholesterol transporter, on NAFLD in mice...
January 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/27923410/supplementation-with-brazil-nuts-and-green-tea-extract-regulates-targeted-biomarkers-related-to-colorectal-cancer-risk-in-humans
#19
Ying Hu, Graeme H McIntosh, Richard K Le Leu, Roshini Somashekar, Xing Q Meng, Geetha Gopalsamy, Libby Bambaca, Ross A McKinnon, Graeme P Young
Se and green tea have been shown in epidemiological, observational and preclinical studies to be inversely related to the risk of developing colorectal cancer (CRC). However, there are limited studies to evaluate their regulatory effects on genes/proteins that relate to CRC oncogenesis in human subjects, such as selenoproteins, WNT signalling pathway, inflammation and methylation. This study examined the effects of supplementation of Se using Brazil nuts and green tea extract (GTE) capsules, alone and in combination, on targeted biomarkers...
December 7, 2016: British Journal of Nutrition
https://www.readbyqxmd.com/read/27923382/ectopic-third-molars-in-the-sigmoid-notch-etiology-diagnostic-imaging-and-treatment-options
#20
Marcel Hanisch, Leopold F Fröhlich, Johannes Kleinheinz
BACKGROUND: The etiology of ectopic third molars located in the sigmoid notch of the mandible is unclear. Only a few cases have been reported. The aim of this article is to discuss the etiology as well as treatment options and diagnostic imaging techniques. METHODS: A PubMed and Medline search of the literature from 1965 to 2015 to ectopic third molars in the mandibular notch was performed. Furthermore, a clinical case provided by the authors is reported. RESULTS: Among the eight reviewed cases, two male and six female patients were affected that ranged from 25 to 62 years of age (mean 48...
December 6, 2016: Head & Face Medicine
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