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Inflammatory disease genetics

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https://www.readbyqxmd.com/read/28107215/metabolic-cardiac-and-renal-effects-of-the-slow-hydrogen-sulfide-releasing-molecule-gyy4137-during-resuscitated-septic-shock-in-swine-with-pre-existing-coronary-artery-disease
#1
Benedikt L Nubaum, Josef Vogt, Ulrich Wachter, Oscar McCook, Martin Wepler, José Matallo, Enrico Calzia, Michael Gröger, Michael Georgieff, Mark E Wood, Matthew Whiteman, Peter Radermacher, Sebastian Hafner
Decreased levels of endogenous hydrogen sulfide (H2S) contribute to atherosclerosis, whereas equivocal data are available on H2S effects during sepsis. Moreover, H2S improved glucose utilization in anaesthetized, ventilated, hypothermic mice, but normothermia and/or sepsis blunted this effect. The metabolic effects of H2S in large animals are controversial. Therefore, we investigated the effects of the H2S donor GYY4137 during resuscitated, fecal peritonitis-induced septic shock in swine with genetically and diet-induced coronary artery disease (CAD)...
January 19, 2017: Shock
https://www.readbyqxmd.com/read/28105733/vitamin-d-supplementation-for-sickle-cell-disease
#2
REVIEW
Htoo Htoo Kyaw Soe, Adinegara Bl Abas, Nan Nitra Than, Han Ni, Jaspal Singh, Abdul Razzak Bin Mohd Said, Ifeyinwa Osunkwo
BACKGROUND: Sickle cell disease is a genetic chronic haemolytic and pro-inflammatory disorder. The clinical manifestations of sickle cell disease result from the presence of mutations on the beta globin genes that generate an abnormal haemoglobin product (called haemoglobin S) within the red blood cell. Sickle cell disease can lead to many complications such as acute chest syndrome, stroke, acute and chronic bone complications (including painful vaso-occlusive crisis, osteomyelitis, osteonecrosis and osteoporosis)...
January 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28104449/acute-neurologic-disease-in-porcine-rubulavirus-experimentally-infected-piglets
#3
Jenifer Herrera, Luis Gómez-Núñez, Rocío Lara-Romero, Fernando Diosdado, Atalo Martínez-Lara, Miguel Jasso, Humberto Ramírez-Mendoza, Armando Pérez-Torres, José Francisco Rivera-Benítez
The objective of this study was to evaluate the clinical disease, humoral response and viral distribution of recent Porcine rubulavirus (PorPV) isolates in experimentally infected pigs. Four, 6-piglet (5-days old) groups were employed (G1-84, G2-93, G3-147, and G4-T). Three viral strains were used for the experimental infection: the reference strain LPMV-1984 (Michoacán 1984) and two other strains isolated in 2013, one in Queretaro (Qro/93/2013) and the other in Michoacán (Mich/147/2013). Each strain was genetically characterized by amplification and sequencing of the gene encoding hemagglutinin-neuroamidase (HN)...
January 16, 2017: Virus Research
https://www.readbyqxmd.com/read/28102740/update-on-functional-and-genetic-laboratory-assays-for-the-detection-of-platelet-microvesicles
#4
Maxime Laroche, Claire Dunois, Anne Marie Vissac, Jean Amiral
Functional and genetic assays for measuring platelet microvesicles (PMVs) are presented and discussed. Functional assays concern two groups of methods: a) homogeneous assays using the cofactor activity of phospholipids (PPLs) contained in PMVs and present in assayed plasmas, and a coagulation or a thrombin generation assay (TGA) as "end points"; b) capture-based assays, in which PMVs bind to an immobilized ligand, such as Annexin V in the presence of calcium, or monoclonal antibodies (MoAbs) specific for membrane proteins...
January 19, 2017: Platelets
https://www.readbyqxmd.com/read/28102054/extracellular-vesicles-a-key-mediator-to-link-environmental-microbiota-to-airway-immunity
#5
REVIEW
Youngwoo Choi, Hanki Park, Hae Sim Park, Yoon Keun Kim
Asthma is considered the hallmark of chronic airway inflammation, in which several inflammatory cells of the innate and adaptive immune system act together. The disease is thought to be caused by a combination of genetic and environmental factors; however, precise mechanisms for airway inflammation remain unclear. The human microbiota provides an increasingly favored explanation for inflammatory diseases; an altered microbiota composition has been shown to regulate immune responses. However, given the complexity of the microbiota, additional research is needed to elucidate its role in the development of disease...
March 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28100246/genetic-effect-of-interleukin-1-beta-c-511t-polymorphism-on-the-structural-covariance-network-and-white-matter-integrity-in-alzheimer-s-disease
#6
Chi-Wei Huang, Shih-Wei Hsu, Shih-Jen Tsai, Nai-Ching Chen, Mu-En Liu, Chen-Chang Lee, Shu-Hua Huang, Weng-Neng Chang, Ya-Ting Chang, Wan-Chen Tsai, Chiung-Chih Chang
BACKGROUND: Inflammatory processes play a pivotal role in the degenerative process of Alzheimer's disease. In humans, a biallelic (C/T) polymorphism in the promoter region (position-511) (rs16944) of the interleukin-1 beta gene has been significantly associated with differences in the secretory capacity of interleukin-1 beta. In this study, we investigated whether this functional polymorphism mediates the brain networks in patients with Alzheimer's disease. METHODS: We enrolled a total of 135 patients with Alzheimer's disease (65 males, 70 females), and investigated their gray matter structural covariance networks using 3D T1 magnetic resonance imaging and their white matter macro-structural integrities using fractional anisotropy...
January 18, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28099601/psoriasis-comorbidities-complications-and-benefits-of-immunobiological-treatment
#7
André Vicente Esteves de Carvalho, Ricardo Romiti, Cacilda da Silva Souza, Renato Soriani Paschoal, Laura de Mattos Milman, Luana Pizarro Meneghello
During the last decade, different studies have converged to evidence the high prevalence of comorbidities in subjects with psoriasis. Although a causal relation has not been fully elucidated, genetic relation, inflammatory pathways and/or common environmental factors appear to be underlying the development of psoriasis and the metabolic comorbidities. The concept of psoriasis as a systemic disease directed the attention of the scientific community in order to investigate the extent to which therapeutic interventions influence the onset and evolution of the most prevalent comorbidities in patients with psoriasis...
November 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28099418/il-17-is-a-neuromodulator-of-caenorhabditis-elegans-sensory-responses
#8
Changchun Chen, Eisuke Itakura, Geoffrey M Nelson, Ming Sheng, Patrick Laurent, Lorenz A Fenk, Rebecca A Butcher, Ramanujan S Hegde, Mario de Bono
Interleukin-17 (IL-17) is a major pro-inflammatory cytokine: it mediates responses to pathogens or tissue damage, and drives autoimmune diseases. Little is known about its role in the nervous system. Here we show that IL-17 has neuromodulator-like properties in Caenorhabditis elegans. IL-17 can act directly on neurons to alter their response properties and contribution to behaviour. Using unbiased genetic screens, we delineate an IL-17 signalling pathway and show that it acts in the RMG hub interneurons. Disrupting IL-17 signalling reduces RMG responsiveness to input from oxygen sensors, and renders sustained escape from 21% oxygen transient and contingent on additional stimuli...
January 18, 2017: Nature
https://www.readbyqxmd.com/read/28095900/post-stroke-dementia-a-comprehensive-review
#9
REVIEW
Milija D Mijajlović, Aleksandra Pavlović, Michael Brainin, Wolf-Dieter Heiss, Terence J Quinn, Hege B Ihle-Hansen, Dirk M Hermann, Einor Ben Assayag, Edo Richard, Alexander Thiel, Efrat Kliper, Yong-Il Shin, Yun-Hee Kim, SeongHye Choi, San Jung, Yeong-Bae Lee, Osman Sinanović, Deborah A Levine, Ilana Schlesinger, Gillian Mead, Vuk Milošević, Didier Leys, Guri Hagberg, Marie Helene Ursin, Yvonne Teuschl, Semyon Prokopenko, Elena Mozheyko, Anna Bezdenezhnykh, Karl Matz, Vuk Aleksić, DafinFior Muresanu, Amos D Korczyn, Natan M Bornstein
Post-stroke dementia (PSD) or post-stroke cognitive impairment (PSCI) may affect up to one third of stroke survivors. Various definitions of PSCI and PSD have been described. We propose PSD as a label for any dementia following stroke in temporal relation. Various tools are available to screen and assess cognition, with few PSD-specific instruments. Choice will depend on purpose of assessment, with differing instruments needed for brief screening (e.g., Montreal Cognitive Assessment) or diagnostic formulation (e...
January 18, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28095869/macrophage-activation-syndrome-different-mechanisms-leading-to-a-one-clinical-syndrome
#10
REVIEW
Claudia Bracaglia, Giusi Prencipe, Fabrizio De Benedetti
BACKGROUND: Macrophage activation syndrome (MAS) is a severe complication of rheumatic disease in childhood, particularly in systemic Juvenile Idiopathic Arthritis (sJIA). It is characterize by an uncontrolled activation and proliferation of T lymphocytes and macrophages. MAIN CONTENT: MAS is currently classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH). The reason is that MAS shares clinical and laboratory features with primary genetic HLH (pHLH)...
January 17, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28095714/disease-related-and-drug-induced-skin-manifestations-in-inflammatory-bowel-disease
#11
Pieter Hindryckx, Gregor Novak, Antonio Costanzo, Silvio Danese
Skin manifestations are common in patients with inflammatory bowel diseases (IBD) and can be part of a concomitant illness with a shared genetic background, an extra-intestinal manifestation of the disease, or a drug side-effect. Areas covered: We provide a practical overview of the epidemiology, pathogenesis, diagnosis, therapeutic approach and prognosis of the most frequent disease-related and drug-induced cutaneous manifestations in IBD, illustrated by cases encountered in our clinical practice. Among the most frequently encountered IBD-related lesions are erythema nodosum, pyoderma gangrenosum and Sweet's syndrome...
January 17, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28095127/association-of-the-dna-repair-smug1-rs3087404-polymorphism-and-its-interaction-with-high-sensitivity-c-reactive-protein-for-age-related-macular-degeneration-in-iranian-patients
#12
Mortaza Bonyadi, Faride Mehdizadeh, Mohammad Hossein Jabbarpoor Bonyadi, Masoud Soheilian, Alireza Javadzadeh, Mehdi Yaseri
BACKGROUND: Age-related macular degeneration (AMD) is a complex disease and recently the role of DNA repairing genes in its susceptibility has been studied. It has been hypothesized that polymorphism in DNA repair system genes reduce the capacity to repair DNA damages which may lead to a greater susceptibility to AMD. C-reactive protein (CRP) production is shown to enhance inflammatory processes by increasing oxidative stress and inducing DNA damage. We planned to evaluate the possible association of SMUG1 variants and their possible interaction with high sensitivity CRP levels in AMD...
January 17, 2017: Ophthalmic Genetics
https://www.readbyqxmd.com/read/28094778/adipocyte-fatty-acid-binding-protein-potentiates-toxic-lipids-induced-endoplasmic-reticulum-stress-in-macrophages-via-inhibition-of-janus-kinase-2-dependent-autophagy
#13
Ruby L C Hoo, Lingling Shu, Kenneth K Y Cheng, Xiaoping Wu, Boya Liao, Donghai Wu, Zhiguang Zhou, Aimin Xu
Lipotoxicity is implicated in the pathogenesis of obesity-related inflammatory complications by promoting macrophage infiltration and activation. Endoplasmic reticulum (ER) stress and adipocyte fatty acid binding protein (A-FABP) play key roles in obesity and mediate inflammatory activity through similar signaling pathways. However, little is known about their interplay in lipid-induced inflammatory responses. Here, we showed that prolonged treatment of palmitic acid (PA) increased ER stress and expression of A-FABP, which was accompanied by reduced autophagic flux in macrophages...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28093708/multiple-sclerosis-and-eif2b5-a-paradox-or-a-missing-link
#14
Insha Zahoor, Ehtishamul Haq, Ravouf Asimi
Multiple sclerosis (MS) is an encumbering inflammatory condition of the central nervous system (CNS) caused by axonal demyelination. There is sufficient evidence suggesting role of eukaryotic translation initiation factor 2B (EIF2B) gene family encoding the five subunits of eIF2B complex-α, β, γ, δ and ε respectively, in causing vanishing white matter (VWM) disease of the brain. Incidentally researchers have proposed overlapping between MS and VWM in terms of clinical, biochemical and genetic aspects, which incited us to write this chapter to explore the association between EIF2B5 and MS...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28093362/hypoxia-inducible-factor-1%C3%AE-inhibition-modulates-airway-hyperresponsiveness-and-nitric-oxide-levels-in-a-balb-c-mouse-model-of-asthma
#15
Carola Dewitz, Elisa McEachern, Stephanie Shin, Kathryn Akong, Dale G Nagle, David H Broide, Praveen Akuthota, Laura E Crotty Alexander
: Hypoxia inducible factor (HIF)-1α is a master regulator of inflammation and is upregulated in alveolar macrophages and lung parenchyma in asthma. HIF-1α regulates select pathways in allergic inflammation, and thus may drive particular asthma phenotypes. This work examines the role of pharmacologic HIF-1α inhibition in allergic inflammatory airway disease (AIAD) pathogenesis in BALB/c mice, which develop an airway hyperresponsiveness (AHR) asthma phenotype. Systemic treatment with HIF-1α antagonist YC-1 suppressed the increase in HIF-1α expression seen in control AIAD mice...
January 13, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28093343/moyamoya-and-inflammation
#16
Juan C Mejia-Munne, Jason A Ellis, Neil A Feldstein, Philip M Meyers, Edward S Connolly
BACKGROUND: Over fifty years have elapsed since Moyamoya was initially described; however, the disease etiology remains unknown. Although certain genetic loci and immunological characteristics are associated with Moyamoya, this does not fully explain its pathophysiology. An association with inflammatory disease has been postulated but not rigorously explored. We sought to examine the epidemiological association of Moyamoya and inflammatory diseases by analyzing data from a large administrative database...
January 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28092663/neural-regulation-of-immunity-molecular-mechanisms-and-clinical-translation
#17
REVIEW
Valentin A Pavlov, Kevin J Tracey
Studies bridging neuroscience and immunology have identified neural pathways that regulate immunity and inflammation. Recent research using methodological advances in molecular genetics has improved our understanding of the neural control of immunity. Here we outline mechanistic insights, focusing on translational relevance and conceptual developments. We also summarize findings from recent clinical studies of bioelectronic neuromodulation in inflammatory and autoimmune diseases.
January 16, 2017: Nature Neuroscience
https://www.readbyqxmd.com/read/28089792/pharmacological-inhibition-of-pkc%C3%AE-counteracts-muscle-disease-in-a-mouse-model-of-duchenne-muscular-dystrophy
#18
V Marrocco, P Fiore, A Benedetti, S Pisu, E Rizzuto, A Musarò, L Madaro, B Lozanoska-Ochser, M Bouché
: Inflammation plays a considerable role in the progression of Duchenne Muscular Dystrophy (DMD), a severe muscle disease caused by a mutation in the dystrophin gene. We previously showed that genetic ablation of Protein Kinase C θ (PKCθ) in mdx, the mouse model of DMD, improves muscle healing and regeneration, preventing massive inflammation. To establish whether pharmacological targeting of PKCθ in DMD can be proposed as a therapeutic option, in this study we treated young mdx mice with the PKCθ inhibitor Compound 20 (C20)...
January 7, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28088612/alterations-in-cytokine-gene-expression-profile-in-colon-mucosa-of-inflammatory-bowel-disease-patients-on-different-therapeutic-regimens
#19
Tsvetelina Velikova, Dobroslav Kyurkchiev, Zoya Spassova, Iliya Karakolev, Ekaterina Ivanova-Todorova, Iskra Altankova, Spaska Stanilova
Inflammatory bowel disease (IBD) is assumed to be caused by genetic and environmental factors that interact together in promoting intestinal immune dysregulation where cytokines have validated role. However, the underlying intimate mechanisms in the human IBD involving cytokines still needs to be supplemented especially in the clinical context. The aim of this study was to investigate the expression of some inflammatory and regulatory cytokines (IL-17A, IL-23, IL-6, TGFβ1, and IL-10) as well as of the transcription factor FoxP3 in mucosal samples of IBD and non-IBD patients...
January 12, 2017: Cytokine
https://www.readbyqxmd.com/read/28087125/hydroxy-carboxylic-acid-receptor-actions-in-metabolism
#20
REVIEW
Stefan Offermanns
Lactic acid, the ketone body 3-hydroxy-butyric acid, also known as β-hydroxybutyrate, and the β-oxidation intermediate 3-hydroxy-octanoic acid are hydroxy-carboxylic acids (HCAs) that serve as intermediates of energy metabolism. However, they also regulate cellular functions, in part by directly activating the G protein-coupled receptors HCA1/GPR81, HCA2/GPR109A, and HCA3/GPR109B. During the past decade, it has become clear that HCA receptors help to maintain homeostasis under changing metabolic and dietary conditions, by controlling metabolic, immune, and other body functions...
January 10, 2017: Trends in Endocrinology and Metabolism: TEM
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