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https://www.readbyqxmd.com/read/28102478/influence-of-inflammation-and-atherosclerosis-in-atrial-fibrillation
#1
REVIEW
Rose Mary Ferreira Lisboa da Silva
BACKGROUND: Inflammation markers have been associated with cardiovascular diseases including atrial fibrillation. This arrhythmia is the most frequent, with an incidence of 38/1000 person-years. PURPOSE OF REVIEW: The aims of this study are to discuss the association between inflammation, atherosclerosis and atrial fibrillation and its clinical implications. Atherosclerosis is a chronic inflammatory disease and inflammation is a triggering factor of atherosclerotic plaque rupture...
January 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/28102057/periostin-in-exhaled-breath-condensate-and-in-serum-of-asthmatic-patients-relationship-to-upper-and-lower-airway-disease
#2
Aleksandra Wardzyńska, Joanna S Makowska, Małgorzata Pawełczyk, Aleksandra Piechota-Polańczyk, Marcin Kurowski, Marek L Kowalski
PURPOSE: Periostin is considered a biomarker for eosinophilic airway inflammation and have been associated with NSAID-Exacerbated Respiratory Disease (NERD) and chronic rhinosinusitis (CRS). In this study, we aimed to evaluate periostin in exhaled breath condensate (EBC) and in serum of patients with various asthma phenotypes. METHODS: The study included 40 asthmatic patients (22 with NERD) and 17 healthy controls. All the procedures (questionnaire, spirometry, FeNO, nasal swabs, EBC collecting, and blood sampling) were performed on the same day...
March 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28102045/inflammatory-profile-discriminates-clinical-subtypes-in-lrrk2-associated-parkinson-s-disease
#3
K Brockmann, C Schulte, N Schneiderhan-Marra, A Apel, C Pont-Sunyer, D Vilas, J Ruiz-Martinez, M Langkamp, J-C Corvol, F Cormier, T Knorpp, T O Joos, A Bernard, T Gasser, C Marras, B Schüle, J O Aasly, T Foroud, J F Marti-Masso, A Brice, E Tolosa, D Berg, W Maetzler
BACKGROUND AND PURPOSE: The presentation of Parkinson's disease patients with mutations in the LRRK2 gene (PDLRRK2 ) is highly variable, suggesting a strong influence of modifying factors. In this context, inflammation is a potential candidate inducing clinical subtypes. METHODS: An extensive battery of peripheral inflammatory markers was measured in human serum in a multicentre cohort of 142 PDLRRK2 patients from the MJFF LRRK2 Consortium, stratified by three different subtypes as recently proposed for idiopathic Parkinson's disease: diffuse/malignant, intermediate and mainly pure motor...
February 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28100627/inflammatory-biomarkers-predict-heart-failure-severity-and-prognosis-in-patients-with-heart-failure-with-preserved-ejection-fraction-a-holistic-proteomic-approach
#4
Camilla Hage, Erik Michaëlsson, Cecilia Linde, Erwan Donal, Jean-Claude Daubert, Li-Ming Gan, Lars H Lund
BACKGROUND: Underlying mechanisms in heart failure (HF) with preserved ejection fraction remain unknown. We investigated cardiovascular plasma biomarkers in HF with preserved ejection fraction and their correlation to diastolic dysfunction, functional class, pathophysiological processes, and prognosis. METHODS AND RESULTS: In 86 stable patients with HF and EF ≥45% in the Karolinska Rennes (KaRen) biomarker substudy, biomarkers were quantified by a multiplex immunoassay...
February 2017: Circulation. Cardiovascular Genetics
https://www.readbyqxmd.com/read/28100001/transplantation-tolerance-don-t-forget-about-the-b-cells
#5
REVIEW
Anita S Chong, Stella H Khiew
Establishing a state of transplantation tolerance that leads to indefinite graft survival without the need for lifelong immunosuppression has been successfully achieved in limited numbers of transplant recipients in the clinic. These successes led to studies aimed at identifying potential biomarkers that diagnose allograft tolerance and identify the patients most amenable to drug minimization, and implicated an enriched B cell signature of tolerance. The emergence of a specialized subset of regulatory B cell (Bregs) that possess immune-modulatory function in inflammation and autoimmune disease, raised the possibility that Bregs play critical roles in the promotion of transplantation tolerance and that Bregs are the underlying explanation for the B cell signature of tolerance...
January 18, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28097001/mag-dpa-curbs-inflammatory-biomarkers-and-pharmacological-reactivity-in-cytokine-triggered-hyperresponsive-airway-models
#6
Rayan Khaddaj-Mallat, Roddy Hiram, Chantal Sirois, Marco Sirois, Edmond Rizcallah, Sofia Marouan, Caroline Morin, Éric Rousseau
Bronchial inflammation contributes to a sustained elevation of airway hyperresponsiveness (AHR) in asthma. Conversely, omega-3 fatty acid derivatives have been shown to resolve inflammation in various tissues. Thus, the effects of docosapentaenoic acid monoacylglyceride (MAG-DPA) were assessed on inflammatory markers and reactivity of human distal bronchi as well as in a cultured model of guinea pig tracheal rings. Human bronchi were dissected and cultured for 48 h with 10 ng/mL TNF-α or IL-13. Guinea pig tracheas were maintained in organ culture for 72 h which was previously shown to trigger spontaneous AHR...
December 2016: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/28095260/differential-expression-and-roles-of-secreted-frizzled-related-protein-5-and-the-wingless-homolog-wnt5a-in-periodontitis
#7
T Maekawa, P Kulwattanaporn, K Hosur, H Domon, M Oda, Y Terao, T Maeda, G Hajishengallis
The Wingless/integrase-1 (Wnt) family of protein ligands and their functional antagonists, secreted frizzled-related proteins (sFRPs), regulate various biological processes ranging from embryonic development to immunity and inflammation. Wnt5a and sFRP5 comprise a typical ligand/antagonist pair, and the former molecule was recently detected at the messenger RNA (mRNA) level in human periodontitis. The main objective of this study was to investigate the interrelationship of expression of Wnt5a and sFRP5 in human periodontitis (as compared to health) and to determine their roles in inflammation and bone loss in an animal model...
January 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28094882/association-of-cardiorespiratory-fitness-and-adiposity-with-inflammatory-biomarkers-in-young-adults
#8
Eunduck Park, Janet C Meininger, Duck-Hee Kang, Kelley Pettee Gabriel, Nikhil S Padhye
OBJECTIVES: Cardiorespiratory fitness (fitness) has been inversely associated with inflammation, but whether the association is attributed to fitness itself or lower levels of adiposity remains uncertain in young adults. The purpose of this study was to determine the association of fitness and adiposity with inflammation in young adults. METHODS: A cross-sectional study was conducted with 88 participants aged 20-34 years. Fitness was assessed by a submaximal treadmill walking test...
January 17, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/28094581/early-immunopathological-events-in-acute-model-of-mycobacterial-hypersensitivity-pneumonitis-in-mice
#9
Elisabet Johansson, Gregory P Boivin, Jagjit S Yadav
Prolonged exposure to antigens of non-tuberculous mycobacteria species colonizing industrial metalworking fluid (MWF), particularly Mycobacterium immunogenum (MI), has been implicated in chronic forms of hypersensitivity pneumonitis (HP) in machinists based on epidemiology studies and long-term exposure of mouse models. However, a role of short-term acute exposure to these antigens has not been described in the context of acute forms of HP. This study investigated short-term acute exposure of mice to MI cell lysate (or live cell suspension) via oropharyngeal aspiration...
January 17, 2017: Journal of Immunotoxicology
https://www.readbyqxmd.com/read/28094324/early-life-adversity-accelerates-cellular-ageing-and-affects-adult-inflammation-experimental-evidence-from-the-european-starling
#10
Daniel Nettle, Clare Andrews, Sophie Reichert, Tom Bedford, Claire Kolenda, Craig Parker, Carmen Martin-Ruiz, Pat Monaghan, Melissa Bateson
Early-life adversity is associated with accelerated cellular ageing during development and increased inflammation during adulthood. However, human studies can only establish correlation, not causation, and existing experimental animal approaches alter multiple components of early-life adversity simultaneously. We developed a novel hand-rearing paradigm in European starling nestlings (Sturnus vulgaris), in which we separately manipulated nutritional shortfall and begging effort for a period of 10 days. The experimental treatments accelerated erythrocyte telomere attrition and increased DNA damage measured in the juvenile period...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28094206/hepatocyte-growth-factor-in-physiology-and-infectious-diseases
#11
REVIEW
Ryu Imamura, Kunio Matsumoto
Hepatocyte growth factor (HGF) is a pleiotropic cytokine composed of an α-chain and a β-chain, and these chains contain four kringle domains and a serine protease-like structure, respectively. The receptor for HGF was identified as the c-met proto-oncogene product of transmembrane receptor tyrosine kinase. HGF-induced signaling through the receptor Met provokes dynamic biological responses that support morphogenesis, regeneration, and the survival of various cells and tissues, which includes hepatocytes, renal tubular cells, and neurons...
January 13, 2017: Cytokine
https://www.readbyqxmd.com/read/28093569/translational-evaluation-of-translocator-protein-as-a-marker-of-neuroinflammation-in-schizophrenia
#12
T Notter, J M Coughlin, T Gschwind, U Weber-Stadlbauer, Y Wang, M Kassiou, A C Vernon, D Benke, M G Pomper, A Sawa, U Meyer
Positron emission tomography (PET) imaging with radiotracers that target translocator protein 18 kDa (TSPO) has become a popular approach to assess putative neuroinflammatory processes and associated microglia activation in psychotic illnesses. It remains unclear, however, whether TSPO imaging can accurately capture low-grade inflammatory processes such as those present in schizophrenia and related disorders. Therefore, we evaluated the validity of TSPO as a disease-relevant marker of inflammation using a translational approach, which combined neurodevelopmental and neurodegenerative mouse models with PET imaging in patients with recent-onset schizophrenia and matched controls...
January 17, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28093196/a-prospective-single-centre-pilot-evaluation-of-a-serum-calprotectin-assay-in-unselected-gi-patients
#13
Rebecca K McCann, Karen Smith, Daniel R Gaya
BACKGROUND: Whilst C-reactive protein (CRP) is an established serum marker of inflammation, its use in gastroenterology has been limited by its poor sensitivity and specificity for GI disease.Faecal calprotectin (FC) has been adopted into mainstream GI practice as a sensitive but non-specific marker of intestinal inflammation. However, stool samples collection for FC can be challenging and the possibility of utilising a sensitive and specific serum biomarker of intestinal inflammation in luminal gastroenterology is an attractive prospect...
January 13, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28092794/%C3%AE-defensin-3-modulates-macrophage-activation-and-orientation-during-acute-inflammatory-response-to-porphyromonas-gingivalis-lipopolysaccharide
#14
Jinglu Lyu, Tianying Bian, Bin Chen, Di Cui, Lili Li, Ling Gong, Fuhua Yan
β-defensin 3, a multifunctional antimicrobial peptide, has immuno-regulatory activities. We investigated the modulatory mechanism of human β-defensin 3 (hBD3) on acute inflammatory response resulted from Porphyromonas gingivalis lipopolysaccharide (P.g-LPS), which plays a pro-inflammatory role in periodontal infection and its derived systemic inflammation. P.g-LPS was administrated to mice and murine macrophages alone or along with hBD3. P.g-LPS could lead to acute inflammation as soon as 2h. And it was observed that hBD3 significantly decreased the production of pro-inflammatory biomarkers of in response to P...
January 13, 2017: Cytokine
https://www.readbyqxmd.com/read/28091549/urinary-proteomics-can-define-distinct-diagnostic-inflammatory-arthritis-subgroups
#15
Stefan Siebert, Duncan Porter, Caron Paterson, Rosie Hampson, Daniel Gaya, Agnieszka Latosinska, Harald Mischak, Joost Schanstra, William Mullen, Iain McInnes
Current diagnostic tests applied to inflammatory arthritis lack the necessary specificity to appropriately categorise patients. There is a need for novel approaches to classify patients with these conditions. Herein we explored whether urinary proteomic biomarkers specific for different forms of arthritis (rheumatoid arthritis (RA), psoriatic arthritis (PsA), osteoarthritis (OA)) or chronic inflammatory conditions (inflammatory bowel disease (IBD)) can be identified. Fifty subjects per group with RA, PsA, OA or IBD and 50 healthy controls were included in the study...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28089872/identification-of-airway-mucosal-type-2-inflammation-by-clinical-biomarkers-in-asthma
#16
Philip E Silkoff, Michel Laviolette, Dave Singh, J Mark FitzGerald, Steven Kelsen, Vibeke Backer, Celeste M Porsbjerg, Pierre-Olivier Girodet, Patrick Berger, Joel N Kline, Geoffrey Chupp, Vedrana S Susulic, Elliot S Barnathan, Frédéric Baribaud, Matthew J Loza
BACKGROUND AND OBJECTIVE: The Airways Disease Endotyping for Personalized Therapeutics (ADEPT) study profiled mild, moderate and severe asthma, and non-atopic healthy controls. We explored this dataset to define Type-2 inflammation based on airway-mucosal IL-13-driven gene expression and how this related to clinically-accessible biomarkers. METHODS: IL-13-driven gene expression was evaluated in several human cell lines. We then defined Type-2 status in 25 healthy subjects, 28 mild, 29 moderate, and 26 severe asthmatics, based on airway-mucosal expression of 1) CC-motif chemokine ligand (CCL)-26, (the most differentially expressed gene), 2) periostin, or 3) a multi-gene IL-13 in-vitro signature (IVS)...
January 12, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28089729/urinary-biomarkers-in-women-with-refractory-urgency-urinary-incontinence-randomized-to-sacral-neuromodulation-versus-onabotulinumtoxina-compared-to-controls
#17
Holly E Richter, Pamela Moalli, Cindy L Amundsen, Anna P Malykhina, Dennis Wallace, Rebecca Rogers, Deborah Myers, Maria Paraiso, Michael Albo, Haolin Shi, Tracy Nolen, Susie Meikle, R Ann Word
PURPOSE: To measure urinary biomarker levels in women with refractory urgency urinary incontinence (UUI) and controls at baseline and 6 months post treatment from sacral neuromodulation (SNM) or intradetrusor injection onabotulinumtoxinA and to assess association of baseline biomarkers to post treatment UUI episodes (UUIE) and overactive bladder (OAB) symptom bother outcomes. MATERIALS AND METHODS: First morning urines were collected from consented trial participants and age-matched women without UUI...
January 13, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28089456/protective-effects-of-exercise-training-on-endothelial-dysfunction-induced-by-total-sleep-deprivation-in-healthy-subjects
#18
Fabien Sauvet, Pierrick J Arnal, Pierre Emmanuel Tardo-Dino, Catherine Drogou, Pascal Van Beers, Clément Bougard, Arnaud Rabat, Garance Dispersyn, Alexandra Malgoyre, Damien Leger, Danielle Gomez-Merino, Mounir Chennaoui
BACKGROUND: Sleep loss is a risk factor for cardiovascular events mediated through endothelial dysfunction. AIMS: To determine if 7weeks of exercise training can limit cardiovascular dysfunction induced by total sleep deprivation (TSD) in healthy young men. METHODS: 16 subjects were examined during 40-h TSD, both before and after 7weeks of interval exercise training. Vasodilatation induced by ACh, insulin and heat (42°C) and pulse wave velocity (PWV), blood pressure and heart rate (HR) were assessed before TSD (controlday), during TSD, and after one night of sleep recovery...
January 5, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28089111/the-molecular-landscape-of-colitis-associated-carcinogenesis
#19
Deborah Saraggi, Matteo Fassan, Claudia Mescoli, Marco Scarpa, Nicola Valeri, Andrea Michielan, Renata D'Incá, Massimo Rugge
In spite of the well-established histopathological phenotyping of IBD-associated preneoplastic and neoplastic lesions, their molecular landscape remains to be fully elucidated. Several studies have pinpointed the initiating role of longstanding/relapsing inflammatory insult on the intestinal mucosa, with the activation of different pro-inflammatory cytokines (TNF-α, IL-6, IL-10, IFN-γ), chemokines and metabolites of arachidonic acid resulting in the activation of key transcription factors such as NF-κB. Longstanding inflammation may also modify the intestinal microbiota, prompting the overgrowth of genotoxic microorganisms, which may act as further cancer promoters...
December 21, 2016: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28088464/microparticles-inflammatory-and-haemostaticbiomarkers-in-polycystic-ovary-syndrome
#20
L M L Carvalho, C N Ferreira, M O Sóter, M F Sales, K F Rodrigues, S R Martins, A L Candido, F M Reis, I O Silva, F M F Campos, K B Gomes
Polycystic Ovary Syndrome (PCOS) is associated with a chronic low-grade inflammation and predisposition to hemostatic and atherosclerotic complications. This case-control study evaluated the microparticles (MPs) profile in patients with the PCOS and related these MPs to clinical and biochemical parameters. MPs derived from platelets (PMPs), leuckocytes (LMPs) and endothelial cells (EMPs) were evaluated, as well as MPs expressing tissue factor (TFMPs), by flow cytometry, comparing women with PCOS (n = 50) and a healthy control group (n = 50)...
January 11, 2017: Molecular and Cellular Endocrinology
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