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Inflammation mediators

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https://www.readbyqxmd.com/read/28644965/3-4-dihydroxybenzalacetone-attenuates-lipopolysaccharide-induced-inflammation-in-acute-lung-injury-via-down-regulation-of-mmp-2-and-mmp-9-activities-through-suppressing-ros-mediated-mapk-and-pi3k-akt-signaling-pathways
#1
Wei Chao, Jeng-Shyan Deng, Shyh-Shyun Huang, Pei-Ying Li, Yu-Chia Liang, Guan-Jhong Huang
3, 4-Dihydroxybenzalacetone (DBL) is a constituent of Phellinus linteus. This study demonstrated the protective effect of DBL on lipopolysaccharide (LPS)-induced acute lung injuries in mice. Pretreatment with DBL significantly improved LPS-induced histological alterations in lung tissues. In addition, DBL markedly reduced the total cell number, the leukocytes, the protein concentrations, and decreased the release of nitrite, tumor necrosis factor (TNF)-α, interleukin (IL)-1β, IL-6 and the activities of matrix metalloproteinase (MMP)-2 and -9 in the bronchoalveolar lavage fluid...
June 20, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28644409/quercetin-protects-obesity-induced-hypothalamic-inflammation-by-reducing-microglia-mediated-inflammatory-responses-via-ho-1-induction
#2
Jihyeon Yang, Chu-Sook Kim, Thai Hien Tu, Min-Seon Kim, Tsuyoshi Goto, Teruo Kawada, Myung-Sook Choi, Taesun Park, Mi-Kyung Sung, Jong Won Yun, Suck-Young Choe, Jee Hye Lee, Yeonsoo Joe, Hye-Seon Choi, Sung Hoon Back, Hun Taeg Chung, Rina Yu
Obesity-induced hypothalamic inflammation is characterized by activation of microglia, which are resident macrophages of the central nervous system, and is implicated in the derangement of energy homeostasis, metabolic complications, and neurodegenerative diseases. Quercetin, a naturally occurring flavonoid, is known to protect against oxidative stress and inflammation-related metabolic complications. Here, we demonstrate that quercetin reduces obesity-induced hypothalamic inflammation by inhibiting microglia-mediated inflammatory responses, and the beneficial action of quercetin is associated with heme oxygenase (HO-1) induction...
June 23, 2017: Nutrients
https://www.readbyqxmd.com/read/28644252/antineuroinflammation-of-minocycline-in-stroke
#3
Yi Chen, Zhiyou Cai, Zunyu Ke
Accumulating research substantiates the statement that inflammation plays an important role in the development of stroke. Both proinflammatory and anti-inflammatory mediators are involved in the pathogenesis of stroke, an imbalance of which leads to inflammation. Anti-inflammation is a kind of hopeful strategy for the prevention and treatment of stroke. Substantial studies have demonstrated that minocycline, a second-generation semisynthetic antibiotic belonging to the tetracycline family, can inhibit neuroinflammation, inflammatory mediators and microglia activation, and improve neurological outcome...
July 2017: Neurologist
https://www.readbyqxmd.com/read/28644177/a-case-of-intravesical-bacillus-calmette-guerin-related-endophthalmitis-and-retinitis-confirmed-with-retinal-biopsy
#4
Alison Huggins, Murtaza Adam, David Ehmann, Ralph C Eagle, Barry Malloy, Sunir J Garg
PURPOSE: To present a rare case of bilateral endogenous chorioretinitis and unilateral endophthalmitis due to Mycobacterium bovis in a patient who received intravesical bacillus Calmette-Guerin (BCG) treatment. METHODS: We present a case of a single male patient with bilateral endogenous chorioretinitis due to Mycobacterium bovis in a patient who received intravesical BCG, an attenuated strain of M. bovis widely used to treat superficial bladder cancer. The patient underwent intravitreal tap, vitrectomy, and chorioretinal biopsy with histologic examination...
June 20, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28643167/microbiome-probiotics-and-neurodegenerative-diseases-deciphering-the-gut-brain-axis
#5
REVIEW
Susan Westfall, Nikita Lomis, Imen Kahouli, Si Yuan Dia, Surya Pratap Singh, Satya Prakash
The gut microbiota is essential to health and has recently become a target for live bacterial cell biotherapies for various chronic diseases including metabolic syndrome, diabetes, obesity and neurodegenerative disease. Probiotic biotherapies are known to create a healthy gut environment by balancing bacterial populations and promoting their favorable metabolic action. The microbiota and its respective metabolites communicate to the host through a series of biochemical and functional links thereby affecting host homeostasis and health...
June 22, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28642887/dynamic-regulation-of-serum-aryl-hydrocarbon-receptor-agonists-in-ms
#6
Veit Rothhammer, Davis M Borucki, Maria Isabel Garcia Sanchez, Maria Antonietta Mazzola, Christopher C Hemond, Keren Regev, Anu Paul, Pia Kivisäkk, Rohit Bakshi, Guillermo Izquierdo, Howard L Weiner, Francisco J Quintana
OBJECTIVE: Several factors influence the clinical course of autoimmune inflammatory diseases such as MS and inflammatory bowel disease. Only recently, the complex interaction between the gut microbiome, dietary factors, and metabolism has started to be appreciated with regard to its potential to modulate acute and chronic inflammation. One of the molecular sensors that mediates the effects of these environmental signals on the immune response is the aryl hydrocarbon receptor (AHR), a ligand-activated transcription factor with key functions in immune cells...
July 2017: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/28642863/friends-enemies-endogenous-retroviruses-are-major-transcriptional-regulators-of-human-dna
#7
REVIEW
Anton A Buzdin, Vladimir Prassolov, Andrew V Garazha
Endogenous retroviruses are mobile genetic elements hardly distinguishable from infectious, or "exogenous," retroviruses at the time of insertion in the host DNA. Human endogenous retroviruses (HERVs) are not rare. They gave rise to multiple families of closely related mobile elements that occupy ~8% of the human genome. Together, they shape genomic regulatory landscape by providing at least ~320,000 human transcription factor binding sites (TFBS) located on ~110,000 individual HERV elements. The HERVs host as many as 155,000 mapped DNaseI hypersensitivity sites, which denote loci active in the regulation of gene expression or chromatin structure...
2017: Frontiers in Chemistry
https://www.readbyqxmd.com/read/28642697/targeting-microglial-activation-states-as-a-therapeutic-avenue-in-parkinson-s-disease
#8
REVIEW
Sudhakar R Subramaniam, Howard J Federoff
Parkinson's disease (PD) is a chronic and progressive disorder characterized neuropathologically by loss of dopamine neurons in the substantia nigra, intracellular proteinaceous inclusions, reduction of dopaminergic terminals in the striatum, and increased neuroinflammatory cells. The consequent reduction of dopamine in the basal ganglia results in the classical parkinsonian motor phenotype. A growing body of evidence suggest that neuroinflammation mediated by microglia, the resident macrophage-like immune cells in the brain, play a contributory role in PD pathogenesis...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28642580/a-snake-venom-group-iia-pla2-with-immunomodulatory-activity-induces-formation-of-lipid-droplets-containing-15-d-pgj2-in-macrophages
#9
Karina Cristina Giannotti, Elbio Leiguez, Ana Eduarda Zulim de Carvalho, Neide Galvão Nascimento, Márcio Hideki Matsubara, Consuelo Latorre Fortes-Dias, Vanessa Moreira, Catarina Teixeira
Crotoxin B (CB) is a catalytically active group IIA sPLA2 from Crotalus durissus terrificus snake venom. In contrast to most GIIA sPLA2s, CB exhibits anti-inflammatory effects, including the ability to inhibit leukocyte functions. Lipid droplets (LDs) are lipid-rich organelles associated with inflammation and recognized as a site for the synthesis of inflammatory lipid mediators. Here, the ability of CB to induce formation of LDs and the mechanisms involved in this effect were investigated in isolated macrophages...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28642328/leukocyte-diversity-in-resolving-and-nonresolving-mechanisms-of-cardiac-remodeling
#10
REVIEW
Bochra Tourki, Ganesh Halade
In response to myocardial infarction (MI), time-dependent leukocyte infiltration is critical to program the acute inflammatory response. Post-MI leukocyte density, residence time in the infarcted area, and exit from the infarcted injury predict resolving or nonresolving inflammation. Overactive or unresolved inflammation is the primary determinant in heart failure pathology post-MI. Here, our review describes supporting evidence that the acute inflammatory response also guides the generation of healing and regenerative mediators after cardiac damage...
June 22, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28642280/granulocytes-as-modulators-of-dendritic-cell-function
#11
REVIEW
Annelot Breedveld, Tom Groot Kormelink, Marjolein van Egmond, Esther de Jong
Effector T cell development is directly driven by APCs, in particular, by antigen-primed dendritic cells (DCs). Depending on the pathogenic stimulus and the microenvironment, DCs induce proliferation and polarization of naive CD4(+) T cells into different effector subsets, such as Th1, Th2, Th17, or regulatory T cells (Tregs). During inflammation, DCs are found in close proximity to other innate immune cells, including all granulocyte subtypes, which potentially influence the immunomodulatory capacities of DCs...
June 22, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28642177/protective-functions-of-pj34-a-parp-inhibitor-is-related-to-down-regulation-of-calpain-and-nf-%C3%AE%C2%BAb-in-a-mouse-model-of-tbi
#12
Xiaogang Tao, Xuetao Chen, Zonggang Hou, Shuyu Hao, Baiyun Liu
OBJECTIVES: Poly(ADP-ribose) polymerase (PARP), calpain, and nuclear factor-κB (NF-κB) are reported to participate in inflammatory reactions in pathological conditions and are involved in traumatic brain injury. The objective of this study was to investigate whether PARP participated in inflammation related to calpain and NF-κB in a mouse model of controlled cortical impact (CCI). METHODS: PJ34 (10 mg/kg), a selective PARP inhibitor, was administered intraperitoneally 5 min and 8 h after experimental CCI...
June 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28642119/targeting-inflammation-for-the-treatment-of-alcoholic-liver-disease
#13
REVIEW
Ming-Jiang Xu, Zhou Zhou, Richard Parker, Bin Gao
Alcoholic liver disease (ALD) is a leading cause of chronic liver disease with a wide spectrum of manifestations including simple steatosis to steatohepatitis, cirrhosis, and hepatocellular carcinoma. Liver injury in ALD is caused by chronic inflammation, which has been actively investigated as a therapeutic target for the treatment of ALD for over the last four decades. In this review, we summarize a wide variety of inflammatory mediators that have been shown to contribute to the pathogenesis of ALD, and discuss the therapeutic potential of these mediators for the treatment of ALD...
June 19, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28642042/changes-in-biophysical-membrane-properties-induced-by-the-budesonide-hydroxy-%C3%AE-cyclodextrin-complex
#14
Andreia G Dos Santos, Jules Bayiha, Gilles Dufour, Didier Cataldo, Brigitte Evrard, Liana C Silva, Magali Deleu, Marie-Paule Mingeot-Leclercq
Budesonide (BUD), a poorly soluble anti-inflammatory drug, is used to treat patients suffering from asthma and COPD (Chronic Obstructive Pulmonary Disease). Hydroxypropyl-β-cyclodextrin (HPβCD), a biocompatible cyclodextrin known to interact with cholesterol, is used as a drug-solubilizing agent in pharmaceutical formulations. Budesonide administered as an inclusion complex within HPβCD (BUD:HPβCD) required a quarter of the nominal dose of the suspension formulation and significantly reduced neutrophil induced inflammation in a COPD mouse model exceeding the effect of each molecule administered individually...
June 19, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28641818/the-role-of-kr%C3%A3-ppel-like-factor-14-in-the-pathogenesis-of-atherosclerosis
#15
REVIEW
Wei Xie, Liang Li, Xi-Long Zheng, Wei-Dong Yin, Chao-Ke Tang
The Krüppel-like factor (KLF) family, as the SP/XKLF transcription factors, plays important roles in regulating the expression of genes required for the proper execution of important biological and pathological processes. Recent studies have demonstrated that KLF14, a member of the KLF family, participates in the initiation and progression of atherosclerotic cardiovascular disease (CVD). From the molecular function aspect, this review focuses on the impact of KLF14-mediated regulation in major atherosclerosis-related diseases and pathological processes, such as insulin resistance, type 2 diabetes, dyslipidemia, inflammation, obesity, metabolic syndrome, cell proliferation and differentiation...
June 7, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28640972/understanding-adaptogenic-activity-specificity-of-the-pharmacological-action-of-adaptogens-and-other-phytochemicals
#16
REVIEW
Alexander Panossian
Adaptogens are stress-response modifiers that increase an organism's nonspecific resistance to stress by increasing its ability to adapt and survive. The classical reductionist model is insufficiently complex to explain the mechanistic aspects of the physiological notion of "adaptability" and the adaptogenic activity of adaptogens. Here, I demonstrate that (1) the mechanisms of action of adaptogens are impossible to rationally describe using the reductionist concept of pharmacology, whereas the network pharmacology approach is the most suitable method; and (2) the principles of systems biology and pharmacological networks appear to be more suitable for conceptualizing adaptogen function and are applicable to any phytochemical...
June 22, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28640866/diet-induced-adipose-tissue-expansion-is-mitigated-in-mice-with-a-targeted-inactivation-of-mesoderm-specific-transcript-mest
#17
Rea P Anunciado-Koza, Justin Manuel, Randall L Mynatt, Jingying Zhang, Leslie P Kozak, Robert A Koza
Interindividual variation of white adipose tissue (WAT) expression of mesoderm specific transcript (Mest), a paternally-expressed imprinted gene belonging to the α/β-hydrolase fold protein family, becomes apparent among genetically inbred mice fed high fat diet (HFD) and is positively associated with adipose tissue expansion (ATE). To elucidate a role for MEST in ATE, mice were developed with global and adipose tissue inactivation of Mest. Mice with homozygous (MestgKO) and paternal allelic (MestpKO) inactivation of Mest were born at expected Mendelian frequencies, showed no behavioral or physical abnormalities, and did not perturb expression of the Mest locus-derived microRNA miR-335...
2017: PloS One
https://www.readbyqxmd.com/read/28640864/targeting-breast-cancer-cells-by-mrs1477-a-positive-allosteric-modulator-of-trpv1-channels
#18
Mustafa Nazıroğlu, Bilal Çiğ, Walter Blum, Csaba Vizler, Andrea Buhala, Annamária Marton, Róbert Katona, Katalin Jósvay, Beat Schwaller, Zoltán Oláh, László Pecze
There is convincing epidemiological and experimental evidence that capsaicin, a potent natural transient receptor potential cation channel vanilloid member 1 (TRPV1) agonist, has anticancer activity. However, capsaicin cannot be given systemically in large doses, because of its induction of acute pain and neurological inflammation. MRS1477, a dihydropyridine derivative acts as a positive allosteric modulator of TRPV1, if added together with capsaicin, but is ineffective, if given alone. Addition of MRS1477 evoked Ca2+ signals in MCF7 breast cancer cells, but not in primary breast epithelial cells...
2017: PloS One
https://www.readbyqxmd.com/read/28640789/complement-mediated-enhancement-of-monocyte-adhesion-to-endothelial-cells-by-hla-antibodies-and-blockade-by-a-specific-inhibitor-of-the-classical-complement-cascade-tnt003
#19
Nicole M Valenzuela, Kimberly A Thomas, Arend Mulder, Graham C Parry, Sandip Panicker, Elaine F Reed
BACKGROUND: Antibody-mediated rejection (AMR) of most solid organs is characterized by evidence of complement activation and/or intragraft macrophages (C4d + and CD68+ biopsies). We previously demonstrated that crosslinking of HLA I by antibodies triggered endothelial activation and monocyte adhesion. We hypothesized that activation of the classical complement pathway at the endothelial cell surface by HLA antibodies would enhance monocyte adhesion through soluble split product generation, in parallel with direct endothelial activation downstream of HLA signaling...
July 2017: Transplantation
https://www.readbyqxmd.com/read/28640458/long-term-graft-survival-in-patients-with-chronic-antibody-mediated-rejection-with-persistent-peritubular-capillaritis-treated-with-intravenous-immunoglobulin-and-rituximab
#20
William R Mulley, Louis L Huang, Sharmila Ramessur Chandran, Anthony Longano, Liv A R Amos, Kevan R Polkinghorne, David J Nikolic-Paterson, John Kanellis
Chronic antibody mediated rejection (cAMR) is the major cause of premature renal allograft loss and is resistant to therapy with 12-month graft failure of up to 50% reported. We examined the duration of graft survival and associates of graft failure in patients with donor specific antibody positive cAMR and treatment-resistant peritubular capillaritis between June 2007 and October 2010. Those with advanced interstitial fibrosis (n=5) were excluded. Included patients (n=24) received treatment with high-dose intravenous immunoglobulin and fixed-dose rituximab (500mg)...
June 22, 2017: Clinical Transplantation
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