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https://www.readbyqxmd.com/read/27914285/human-parechovirus-and-enterovirus-initiate-distinct-cns-innate-immune-responses-pathogenic-and-diagnostic-implications
#1
Danielle Fortuna, Ana María Cárdenas, Erin H Graf, Larry A Harshyne, D Craig Hooper, Michael Prosniak, John Shields, Mark T Curtis
BACKGROUND: Human parechovirus (HPeV) and enterovirus (EV) cause a range of human diseases including serious CNS infections. Little is known regarding the immune response to HPeV meningitis compared to EV meningitis or how the immune response to HPeV reflects its pathogenesis. OBJECTIVE: To characterize the innate immune response to HPeV CNS infection in order to increase our understanding of HPeV pathogenesis and possibly help identify HPeV in the clinical setting...
November 23, 2016: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/27914220/modulation-of-the-innate-immune-related-genes-expression-in-h9n2-avian-influenza-virus-infected-chicken-macrophage-like-cells-hd11-in-response-to-escherichia-coli-lps-stimulation
#2
Xuefeng Qi, Caihong Liu, Ruiqiao Li, Huizhu Zhang, Xingang Xu, Jingyu Wang
Macrophages play important roles in mediating virus-induced innate immune responses and are thought to be involved in the pathogenesis of bacterial superinfections. The innate immune response initiated by both low pathogenicity AIV and bacterial superinfection in their avian host is not fully understood. We therefore determine the transcripts of innate immune-related genes following avian H9N2 AIV virus infection and E. coli LPS co-stimulation of avian macrophage-like cell line HD11 cells. More pronounced expression of pro-inflammatory cytokines (IL-6 and IL-1β) as well as the inflammatory chemokines (CXCLi1 and CXCLi2) was observed in virus infected plus LPS treated HD11 cells compared to H9N2 virus solely infected control...
November 17, 2016: Research in Veterinary Science
https://www.readbyqxmd.com/read/27914100/transient-immunological-and-clinical-effectiveness-of-treating-mice-bearing-premalignant-oral-lesions-with-pd-1-antibodies
#3
Corinne A Levingston, M Rita I Young
A carcinogen-induced premalignant oral lesion model that progresses to oral cancer was used to examine the impact of blocking PD-1 on cytokine expression and on progression of lesions to cancer. The results of this study show increased production of IL-2 and the inflammatory cytokines IL-6, IL-17 and TNF-α by spleen cells of lesion-bearing mice that were treated with PD-1 antibody for one week compared to cytokine production by spleen cells of lesion-bearing mice treated with control antibody. Production of IFN-γ increased at 3 weeks of PD-1 antibody treatment, although production of the other Th1 and inflammatory mediators declined...
December 3, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27913992/c-type-natriuretic-peptide-prevents-kidney-injury-and-attenuates-oxidative-and-inflammatory-responses-in-hemorrhagic-shock
#4
Gan Chen, Xiang Song, Yujing Yin, Sha Xia, Qingjun Liu, Guoxing You, Lian Zhao, Hong Zhou
Oxidative stress induced by hemorrhagic shock (HS) initiates a systemic inflammatory response, which leads to subsequent kidney injury. This study assessed the efficacy of c-type natriuretic peptide (CNP) in attenuating kidney injury in a rat model of hemorrhagic shock and resuscitation (HS/R). Sodium pentobarbital-anesthetized adult male Wistar rats underwent HS induced by the withdrawal of blood to a mean arterial pressure of 30-35 mmHg for 50 min. Then, the animals received CNP (25 μg/kg) or vehicle (saline) intravenously, followed byresuscitation with 1...
December 2, 2016: Amino Acids
https://www.readbyqxmd.com/read/27913990/sirukumab-a-potential-treatment-for-mood-disorders
#5
REVIEW
Aileen J Zhou, Yena Lee, Giacomo Salvadore, Benjamin Hsu, Trehani M Fonseka, Sidney H Kennedy, Roger S McIntyre
Convergent evidence indicates that abnormalities in the innate immune system may be pertinent to the pathogenesis, phenomenology, and possible treatment of several mental disorders. In keeping with this view, the targeting of interleukin-6 with the human monoclonal antibody sirukumab may represent a possible treatment and disease modification approach, for adults with brain-based disorders (e.g., major depressive disorder). A PubMed/Medline database search was performed using the following search terms: sirukumab; anti-IL-6; IL-6; major depressive disorder; inflammation...
December 2, 2016: Advances in Therapy
https://www.readbyqxmd.com/read/27913965/plasma-amyloid-beta-levels-in-patients-with-different-types-of-cancer
#6
Wang-Sheng Jin, Xian-Le Bu, Yu-Hui Liu, Lin-Lin Shen, Zhen-Qian Zhuang, Shu-Sheng Jiao, Chi Zhu, Qing-Hua Wang, Hua-Dong Zhou, Tao Zhang, Yan-Jiang Wang
Several epidemiological investigations indicate that cancer survivors have a lower risk for Alzheimer's disease (AD) and vice versa. However, the associations between plasma amyloid-beta (Aβ) levels with cancer remain largely unknown. In this case-control study, 110 cancer patients, 70 AD patients, and 70 age- and gender-matched normal controls were recruited. The cancer types include esophagus cancer, colorectal cancer, hepatic cancer, and lung cancer, all of which were reported to be associated with a lower risk for AD...
December 3, 2016: Neurotoxicity Research
https://www.readbyqxmd.com/read/27913954/the-anti-inflammatory-activities-of-two-major-withanolides-from-physalis-minima-via-acting-on-nf-%C3%AE%C2%BAb-stat3-and-ho-1-in-lps-stimulated-raw264-7-cells
#7
Rui-Jun Li, Cai-Yun Gao, Chao Guo, Miao-Miao Zhou, Jun Luo, Ling-Yi Kong
Physalis minima has been traditionally used as a folk herbal medicine in China for the treatment of many inflammatory diseases. However, little is known about its anti-inflammatory constituents and associated molecular mechanisms. In our study, withaphysalin A (WA) and 2, 3-dihydro-withaphysalin C (WC), two major withanolide-type compounds, were obtained from the anti-inflammatory fraction of P. minima. Both WA and WC significantly inhibited the production of nitrite oxide (NO), prostaglandin E2 (PGE2), and several pro-inflammatory cytokines, such as interleukin-1β (IL-1β), IL-6, and tumor necrosis factor-α (TNF-α) in lipopolysaccharide (LPS)-activated RAW264...
December 2, 2016: Inflammation
https://www.readbyqxmd.com/read/27913953/neuroinflammation-induced-downregulation-of-hippocampacal-neuregulin-1-erbb4-signaling-in-the-parvalbumin-interneurons-might-contribute-to-cognitive-impairment-in-a-mouse-model-of-sepsis-associated-encephalopathy
#8
Rong Gao, Mu-Huo Ji, Da-Peng Gao, Run-Hua Yang, Shao-Gang Zhang, Jian-Jun Yang, Jin-Chun Shen
Sepsis-associated encephalopathy (SAE) is a common complication associated with poor prognosis in septic patients, but the underlying mechanism remains unclear. We hypothesized that disturbed neuregulin 1 (NRG1)-ErbB4 signaling in the parvalbumin interneurons was involved in sepsis-induced cognitive impairment in a mouse model of SAE. The SAE model was induced by cecal ligation/perforation (CLP). Animals were randomly divided into the following six groups: sham + vehicle group, sham + NRG1 group, CLP + vehicle group, CLP + NRG1 group, CLP + NRG1 + AG1478 (ErbB4 inhibitor) group, and CLP + minocycline group...
December 2, 2016: Inflammation
https://www.readbyqxmd.com/read/27913753/neutrophil-derived-microparticles-are-released-into-the-coronary-circulation-following-percutaneous-coronary-intervention-in-acute-coronary-syndromes
#9
Gonzalo J Martinez, Jennifer Y Barraclough, Shirley Nakhla, Vivian Kienzle, Stacy Robertson, Ziad Mallat, David S Celermajer, Sanjay Patel
AIMS: To evaluate (i) local coronary and systemic levels of microparticles (MP) in Acute Coronary Syndrome (ACS) and Stable Angina Pectoris (SAP) patients and (ii) their release after plaque disruption with percutaneous coronary intervention (PCI). BACKGROUND: Microparticles are small vesicles originating from plasma membranes of cells after activation or apoptosis and are implicated in the pathogenesis of atherosclerosis. Neutrophils play a role in plaque destabilisation and shed neutrophil-derived microparticles have the potential to drive significant pro-inflammatory and thrombotic downstream effects...
December 2, 2016: Bioscience Reports
https://www.readbyqxmd.com/read/27913746/anti-trachea-inflammatory-effects-of-diosgenin-from-dioscorea-nipponica-through-interactions-with-glucocorticoid-receptor-%C3%AE
#10
Yang Junchao, Wang Zhen, Wang Yuan, Xu Liying, Jiang Libin, Zhu Yuanhong, Zhao Wei, Chen Ruilin, Zhai Lu
Asthma is a heterogeneous disease characterized by symptoms of chronic inflammation and airway structural and functional changes. It affects about 300 million people worldwide and causes 250 000 deaths annually, but its symptoms can be greatly relieved by regular use of inhaled glucocorticoids (GCs). GCs exert their function through interacting with glucocorticoid receptors (GRs). Diosgenin is a naturally occurring steroidal saponin abundantly present in many medicinal plants, including Dioscorea nipponica, which shares a similar steroidal structure with GC...
December 2, 2016: Journal of International Medical Research
https://www.readbyqxmd.com/read/27913530/cytokine-release-syndrome-with-novel-therapeutics-for-acute-lymphoblastic-leukemia
#11
Noelle V Frey, David L Porter
T-cell-engaging immunotherapies are exciting new approaches to treat patients with acute lymphoblastic leukemia (ALL). These unique agents, which include blinatumomab, a CD3/CD19 bispecific antibody, and chimeric antigen receptor (CAR) modified T cells targeted to CD19 have shown unprecedented remission rates in the relapsed, refractory ALL setting. Cytokine release syndrome (CRS), resulting from the high magnitude of immune activation by these therapies, is the most significant treatment-related toxicity. CRS manifests with fever and malaise and can progress to life-threatening capillary leak with hypoxia and hypotension...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913418/a-novel-rhamnose-rich-hetero-exopolysaccharide-isolated-from-lactobacillus-paracasei-dg-activates-thp-1-human-monocytic-cells
#12
Silvia Balzaretti, Valentina Taverniti, Simone Guglielmetti, Walter Fiore, Mario Minuzzo, Hansel N Ngo, Judith B Ngere, Sohaib Sadiq, Paul N Humphreys, Andrew P Laws
: Lactobacillus paracasei DG is a bacterial strain with recognized probiotic properties and is used in commercial probiotic products. However, the mechanisms underlying its probiotic properties are mainly unknown. In this study, we tested the hypothesis that the capability of strain DG to interact with the host is, at least partly, associated with its ability to synthesize a surface-associated exopolysaccharide (EPS). Comparative genomics revealed the presence of putative EPS gene clusters in DG genome; accordingly, EPS was isolated from the surface of the bacterium...
December 2, 2016: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/27913196/nf-kb-regulated-exosomal-mir-155-promotes-the-inflammation-associated-with-arsenite-carcinogenesis
#13
Chao Chen, Fei Luo, Xinlu Liu, Lu Lu, Hui Xu, Qianlei Yang, Junchao Xue, Le Shi, Jun Li, Aihua Zhang, Qizhan Liu
In the cancer microenvironment, extracellular communication allows various types of cells to coordinate and execute biological functions. Emerging evidence indicates that exosomes, as mediators of cell communication, are involved in tumor progression. Little is known, however, about the mechanism by which exosomal miRNAs regulate inflammatory infiltration in arsenite-induced liver cancer. The present research aimed to determine if miRNAs secreted from arsenite-transformed human hepatic epithelial (L-02) cells are transferred into normal L-02 and THLE-3 cells, which are functionally active in the recipient cells...
November 29, 2016: Cancer Letters
https://www.readbyqxmd.com/read/27912911/hesperidin-ameliorates-immunological-outcome-and-reduces-neuroinflammation-in-the-mouse-model-of-multiple-sclerosis
#14
Dariush Haghmorad, Mohammad Bagher Mahmoudi, Zohreh Salehipour, Zoleikha Jalayer, Amir Abbas Momtazi Brojeni, Maryam Rastin, Parviz Kokhaei, Mahmoud Mahmoudi
Multiple sclerosis (MS) is the most abundant central nervous system (CNS) inflammatory disease, which is due to the reaction of auto reactive T cells with own myelin proteins, leading to physical disorder and paralysis among people suffering the disease. Hesperidin, a flavanone glycoside found abundantly in citrus fruits possesses a wide range of pharmacological properties including potential anti-inflammatory and anti-cancer effects. This study was designed to reveal the molecular and cellular mechanisms underlying the effect of hesperidin on MS alleviation...
November 26, 2016: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/27912762/regulation-of-effector-function-of-cns-autoreactive-cd4-t-cells-through-inhibitory-receptors-and-il-7r%C3%AE
#15
Patrick K Nuro-Gyina, Elizabeth L Rieser, Marissa C Granitto, Wei Pei, Yue Liu, Priscilla W Lee, Saba Aqel, Jian Zhang, Amy E Lovett-Racke, Michael K Racke, Yuhong Yang
BACKGROUND: Multiple sclerosis (MS) is a chronic CNS autoimmune disease characterized by inflammation, demyelination, and neuronal degeneration, where myelin-specific CD4 T cells play critical roles in the formation of acute MS lesions and disease progression. The suppression of IL-7Rα expression and the upregulation of inhibitory receptors (PD-1, etc.) are essential parts of the cell-intrinsic immunosuppressive program regulating T effector functions to prevent autoimmunity. However, little is known on the factors regulating IL-7Rα/PD-1 balance in myelin-specific CD4 T effector/memory cells during the development of CNS autoimmunity...
December 3, 2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27912738/hepatoprotective-activity-of-lepidium-sativum-seeds-against-d-galactosamine-lipopolysaccharide-induced-hepatotoxicity-in-animal-model
#16
Mohammad Raish, Ajaz Ahmad, Khalid M Alkharfy, Syed Rizwan Ahamad, Kazi Mohsin, Fahad I Al-Jenoobi, Abdullah M Al-Mohizea, Mushtaq Ahmad Ansari
BACKGROUND: Fulminant hepatic failure (FHF) is clinical syndrome with very poor prognosis and high mortality there is urgent need for the development of safe and non-toxic hepatoprotective agents for the adequate management of hepatitis. Hepatoprotective effect of the Lepidium sativum ethanolic extract (LSEE) was assessed by D-galactosamine-induced/lipopolysaccharide (400 mg/kg and 30 μg/kg) liver damage model in rats. METHODS: Hepatoprotective activity of LSEE (150 and 300 mg/kg) and silymarin on D-GalN/LPS induced FHF in rat was assessed using several liver function enzyme parameters...
December 3, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27912150/calea-uniflora-less-attenuates-the-inflammatory-response-to-carrageenan-induced-pleurisy-in-mice
#17
Julia Salvan da Rosa, Silvana Virginia Gagliotti Vigil de Mello, Geison Vicente, Yeo Jim K Moon, Felipe Perozzo Daltoé, Tamires Cardoso Lima, Rafaela de Jesus Souza, Maique Weber Biavatti, Tânia Silvia Fröde
Calea uniflora Less. (family Asteraceae), also named "arnica" and "erva-de-lagarto", is a native plant to the South and Southeast of Brazil. This species was used to treat rheumatism, respiratory diseases, and digestive problems in Brazilian folk medicine. In vitro studies have shown the important biological effects of C. uniflora. However no studies have focused on the mechanism of action of anti-inflammatory activity of C. uniflora. The aim of this study was to evaluate the anti-inflammatory effects of the crude extract, its fractions, and isolated compounds obtained from of C...
November 29, 2016: International Immunopharmacology
https://www.readbyqxmd.com/read/27912149/didymin-ameliorates-hepatic-injury-through-inhibition-of-mapk-and-nf-%C3%AE%C2%BAb-pathways-by-up-regulating-rkip-expression
#18
Quanfang Huang, Facheng Bai, Jinlan Nie, Shengjuan Lu, Chunyuang Lu, Xunshuai Zhu, Lang Zhuo, Xing Lin
A flavone was isolated from Origanum vulgare and identified as didymin (O. vulgare didymin, OVD). The protective effect and mechanism of OVD on acute liver injury was then assessed in vivo and in vitro. Our results showed that OVD significantly alleviated CCl4-induced liver injury in mice and markedly decreased serum ALT and AST activities. OVD treatment significantly reduced CYP2E1 activity, lipid peroxidation level, ROS generation, NO production and pro-inflammatory cytokines (such as TNF-α, IL-6 and IL-1β) in liver tissues and RAW 264...
November 29, 2016: International Immunopharmacology
https://www.readbyqxmd.com/read/27912077/nlrp3-activation-induces-il-18-synthesis-and-affects-the-epithelial-barrier-function-in-reactive-cholangiocytes
#19
Luca Maroni, Laura Agostinelli, Stefania Saccomanno, Claudio Pinto, Debora Giordano, Chiara Rychlicki, Samuele De Minicis, Luciano Trozzi, Jesus M Banales, Espen Melum, Tom H Karlsen, Antonio Benedetti, Gianluca Svegliati Baroni, Marco Marzioni
Microbial products are thought to influence the progression of cholangiopathies, in particular primary sclerosing cholangitis (PSC). Inflammasomes are molecular platforms that respond to microbial products through the synthesis of proinflammatory cytokines. We investigated the role of inflammasome activation in cholangiocyte response to injury. Nucleotide-binding oligomerization domain (NOD)-like receptor family, pyrin domain-containing protein 3 (Nlrp3) expression was tested in cholangiocytes of normal and cholestatic livers...
November 29, 2016: American Journal of Pathology
https://www.readbyqxmd.com/read/27912071/classical-and-alternative-macrophages-have-impaired-function-during-acute-and-chronic-hiv-1-infection
#20
Leonardo J Galvão-Lima, Milena S Espíndola, Luana S Soares, Fabiana A Zambuzi, Maira Cacemiro, Caroline Fontanari, Valdes R Bollela, Fabiani G Frantz
OBJECTIVES: Three decades after HIV recognition and its association with AIDS development, many advances have emerged - especially related to prevention and treatment. Undoubtedly, the development of Highly Active Antiretroviral Therapy (HAART) dramatically changed the future of the syndrome that we know today. In the present study, we evaluate the impact of HAART on macrophage function and its relevance to HIV pathogenesis. METHODS: PBMCs were isolated from blood samples and monocytes (CD14+ cells) were purified...
November 29, 2016: Brazilian Journal of Infectious Diseases
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