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Resolution inflammation

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https://www.readbyqxmd.com/read/27911218/aberrant-t-cell-immunity-triggered-by-human-respiratory-syncytial-virus-and-human-metapneumovirus-infection
#1
Andrea E González, Margarita K Lay, Evelyn L Jara, Janyra A Espinoza, Roberto S Gómez, Jorge Soto, Claudia A Rivera, Katia Abarca, Susan M Bueno, Claudia A Riedel, Alexis M Kalergis
Human Respiratory syncytial virus (hRSV) and human metapneumovirus (hMPV) are the two major etiological viral agents of lower respiratory tract diseases, affecting mainly infants, young children and the elderly. Although the infection of both viruses trigger an antiviral immune response that mediate viral clearance and disease resolution in immunocompetent individuals, the promotion of long-term immunity appears to be deficient and reinfection are common throughout life. A possible explanation for this phenomenon is that hRSV and hMPV, can induce aberrant T cell responses, which leads to exacerbated lung inflammation and poor T and B cell memory immunity...
December 2, 2016: Virulence
https://www.readbyqxmd.com/read/27909869/effect-of-oral-%C3%AF-3-polyunsaturated-fatty-acids-as-a-complement-management-to-control-fistula-output-and-inflammation-in-patients-with-digestive-fistula
#2
José Luis Martínez-Ordaz, Ilka Boscó-Gárate, Arturo Cérbulo-Vázquez, Lourdes Arriaga-Pizano, Isabel Wong-Baeza, Patricio Sánchez-Fernandez, Constantino López-Macías, Armando Isibasi, Eduardo Ferat-Osorio
BACKGROUND: The presence of digestive fistula involves chronic inflammation and fibrosis. It has been reported that ω3-polyunsaturated fatty acids stimulate the resolution of inflammation. AIM: Determine if the administration of oral ω3 reduces fistula output and the time required for fistula closure. METHODS: Forty-nine patients with postoperative fistula were randomly divided in two groups: 26 received conventional treatment and 23 received the conventional treatment supplemented with ω3 (540 mg eicosapentaenoic acid and 360 mg docosahexaenoic acid) for 35 days...
December 1, 2016: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/27907187/substance-p-induces-ho-1-expression-in-raw-264-7-cells-promoting-switch-towards-m2-like-macrophages
#3
Giovanna Montana, Nadia Lampiasi
Substance P (SP) is a neuropeptide that mediates many physiological as well as inflammatory responses. Recently, SP has been implicated in the resolution of inflammation through induction of M2 macrophages phenotype. The shift between M1-like and M2-like, allowing the resolution of inflammatory processes, also takes place by means of hemeoxygenase-1 (HO-1). HO-1 is induced in response to oxidative stress and inflammatory stimuli and modulates the immune response through macrophages polarisation. SP induces HO-1 expression in human periodontal ligament (PDL), the latter potentially plays a role in cytoprotection...
2016: PloS One
https://www.readbyqxmd.com/read/27906076/pgc-1%C3%AE-modulates-necrosis-inflammatory-response-and-fibrotic-tissue-formation-in-injured-skeletal-muscle
#4
Ivana Dinulovic, Regula Furrer, Sabrina Di Fulvio, Arnaud Ferry, Markus Beer, Christoph Handschin
BACKGROUND: Skeletal muscle tissue has an enormous regenerative capacity that is instrumental for a successful defense against muscle injury and wasting. The peroxisome proliferator-activated receptor γ coactivator 1α (PGC-1α) exerts therapeutic effects in several muscle pathologies, but its role in damage-induced muscle regeneration is unclear. METHODS: Using muscle-specific gain- and loss-of-function models for PGC-1α in combination with the myotoxic agent cardiotoxin (CTX), we explored the role of this transcriptional coactivator in muscle damage and inflammation...
November 8, 2016: Skeletal Muscle
https://www.readbyqxmd.com/read/27900389/the-clearance-of-cell-remnants-and-the-regeneration-of-the-injured-muscle-depend-on-soluble-pattern-recognition-receptor-ptx3
#5
Michela Vezzoli, Clara Sciorati, Lara Campana, Antonella Monno, Maria Giulia Doglio, Elena Rigamonti, Gianfranca Corna, Thierry Touvier, Alessandra Castiglioni, Annalisa Capobianco, Alberto Mantovani, Angelo A Manfredi, Cecilia Garlanda, Patrizia Rovere-Querini
OBJECTIVE: The signals causing the resolution of muscle inflammation are only partially characterized. The long pentraxin PTX3, which modulates leukocyte recruitment and activation, could contribute. METHODS: We analysed the expression of ptx3 after muscle injury and verified whether hematopoietic precursors are a source of the protein. The kinetics of regeneration and leukocytes infiltration, the accumulation of cell remnants and anti-histidyl-t-RNA synthetase autoantibodies were compared in wild-type and ptx3-deficient mice...
November 23, 2016: Molecular Medicine
https://www.readbyqxmd.com/read/27896807/fdg-pet-ct-imaging-of-therapeutic-response-in-granulomatous-lymphocytic-interstitial-lung-disease-glild-in-common-variable-immunodeficiency-cvid
#6
S Jolles, E Carne, M Brouns, T El-Shanawany, P Williams, C Marshall, P Fielding
Common variable immunodeficiency (CVID) is the most common severe adult primary immunodeficiency and is characterized by a failure to produce antibodies leading to recurrent predominantly sinopulmonary infections. Improvements in the prevention and treatment of infection with immunoglobulin replacement and antibiotics have resulted in malignancy, autoimmune, inflammatory and lymphoproliferative disorders emerging as major clinical challenges in the management of patients who have CVID. In a proportion of CVID patients, inflammation manifests as granulomas that frequently involve the lungs, lymph nodes, spleen and liver and may affect almost any organ...
November 28, 2016: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/27895643/azithromycin-attenuates-pseudomonas-induced-lung-inflammation-by-targeting-bacterial-proteins-secreted-in-the-cultured-medium
#7
Teresinha Leal, Gabriella Bergamini, François Huaux, Nadtha Panin, Sabrina Noel, Barbara Dhooghe, Jeremy B Haaf, Pierluigi Mauri, Sara Motta, Dario Di Silvestre, Paola Melotti, Claudio Sorio
BACKGROUND: Pseudomonas aeruginosa airway infections are a major cause of morbidity and mortality in patients with cystic fibrosis (CF). Azithromycin improves the related clinical outcomes, but its mechanisms of action remain poorly understood. We tested the hypothesis that azithromycin downregulates P. aeruginosa-induced pro-inflammatory responses by modifying release of bacterial proteins. METHODS: We monitored inflammatory markers in lungs of CF mutant mice and their littermate controls in response to conditioned media (CM) collected from the reference P...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27893883/use-of-magnetic-resonance-imaging-to-visualize-leptomeningeal-inflammation-in-patients-with-multiple-sclerosis-a-review
#8
Jonathan Zurawski, Hans Lassmann, Rohit Bakshi
Importance: Multiple sclerosis (MS) is a chronic demyelinating disease of the central nervous system traditionally characterized by an initial relapsing-remitting clinical course and focal inflammatory lesions that have a predilection for the periventricular white matter. Recently, however, histopathologic and imaging studies have illustrated a more complex pathologic substrate involving cortical demyelination, gray matter atrophy, and meningeal inflammation. Neuroimaging advances have facilitated improved detection of cortical pathology, but our understanding of the pathogenesis of cortical disease remains incomplete...
November 28, 2016: JAMA Neurology
https://www.readbyqxmd.com/read/27893465/accelerated-resolution-of-inflammation-underlies-sex-differences-in-inflammatory-responses-in-humans
#9
Krishnaraj S Rathod, Vikas Kapil, Shanti Velmurugan, Rayomand S Khambata, Umme Siddique, Saima Khan, Sven Van Eijl, Lorna C Gee, Jascharanpreet Bansal, Kavi Pitrola, Christopher Shaw, Fulvio D'Acquisto, Romain A Colas, Federica Marelli-Berg, Jesmond Dalli, Amrita Ahluwalia
BACKGROUND: Cardiovascular disease occurs at lower incidence in premenopausal females compared with age-matched males. This variation may be linked to sex differences in inflammation. We prospectively investigated whether inflammation and components of the inflammatory response are altered in females compared with males. METHODS: We performed 2 clinical studies in healthy volunteers. In 12 men and 12 women, we assessed systemic inflammatory markers and vascular function using brachial artery flow-mediated dilation (FMD)...
November 28, 2016: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27892938/dendritic-cell-function-and-pathogen-specific-t-cell-immunity-are-inhibited-in-mice-administered-levonorgestrel-prior-to-intranasal-chlamydia-trachomatis-infection
#10
Nirk E Quispe Calla, Rodolfo D Vicetti Miguel, Ao Mei, Shumin Fan, Jocelyn R Gilmore, Thomas L Cherpes
The growing popularity of levonorgestrel (LNG)-releasing intra-uterine systems for long-acting reversible contraception provides strong impetus to define immunomodulatory properties of this exogenous progestin. In initial in vitro studies herein, we found LNG significantly impaired activation of human dendritic cell (DCs) and their capacity to promote allogeneic T cell proliferation. In follow-up studies in a murine model of intranasal Chlamydia trachomatis infection, we analogously found that LNG treatment prior to infection dramatically reduced CD40 expression in DCs isolated from draining lymph nodes at 2 days post infection (dpi)...
November 28, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27890679/evaluation-of-non-supervised-maldi-mass-spectrometry-imaging-combined-with-microproteomics-for-glioma-grade-iii-classification
#11
Emilie Le Rhun, Marie Duhamel, Maxence Wisztorski, Jean-Pascal Gimeno, Fahed Zairi, Fabienne Escande, Nicolas Reyns, Firas Kobeissy, Claude-Alain Maurage, Michel Salzet, Isabelle Fournier
An integrated diagnosis using molecular features is recommended in the 2016 World Health Organization (WHO) classification. Our aim was to explore non-targeted molecular classification using MALDI mass spectrometry imaging (MALDI MSI) associated to microproteomics in order to classify anaplastic glioma by integration of clinical data. We used fresh-frozen tissue sections to perform MALDI MSI of proteins based on their digestion peptides after in-situ trypsin digestion of the tissue sections and matrix deposition by micro-spraying...
November 23, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27889883/a-randomized-clinical-trial-to-evaluate-efficacy-and-tolerability-of-trypsin-chymotrypsin-as-compared-to-serratiopeptidase-and-trypsin-bromelain-rutoside-in-wound-management
#12
Ajay Chandanwale, Deepak Langade, Dheeraj Sonawane, Piyush Gavai
INTRODUCTION: Systemic enzyme therapy can play an important role in maintaining normal inflammatory processes within the body and thereby helps support and speed up healing. In the course of the anti-inflammatory action, enzymes degrade damaged cells and necrotic material and, through the inactivation of mediators and toxic products, they restrict the edema and pain. METHOD: The study conducted at Grant Medical College, Mumbai, India was a clinical trial comparing the efficacy and tolerability of three oral enzyme treatment groups-oral tablets containing trypsin:chymotrypsin (TC) (Chymoral Forte(®)), serratiopeptidase (S) 5 mg oral tablets, and oral enzyme tablets containing trypsin 48 mg, bromelain 90 mg, and rutoside 100 mg (TBR)-to evaluate their healing potential in surgical wounds after orthopedic surgery...
November 26, 2016: Advances in Therapy
https://www.readbyqxmd.com/read/27884472/impact-of-untreated-wastewater-on-a-major-european-river-evaluated-with-a-combination-of-in%C3%A2-vitro-bioassays-and-chemical-analysis
#13
Maria König, Beate I Escher, Peta A Neale, Martin Krauss, Klára Hilscherová, Jiří Novák, Ivana Teodorović, Tobias Schulze, Sven Seidensticker, Muhammad Arslan Kamal Hashmi, Jörg Ahlheim, Werner Brack
Complex mixtures of micropollutants, including pesticides, pharmaceuticals and industrial chemicals emitted by wastewater effluents to European rivers may compromise the quality of these water resources and may pose a risk to ecosystem health and abstraction of drinking water. In the present study, an integrated analytical and bioanalytical approach was applied to investigate the impact of untreated wastewater effluents from the city of Novi Sad, Serbia, into the River Danube. The study was based on three on-site large volume solid phase extracted water samples collected upstream and downstream of the untreated wastewater discharge...
November 21, 2016: Environmental Pollution
https://www.readbyqxmd.com/read/27884251/complicated-pericarditis-understanding-risk-factors-and-pathophysiology-to%C3%A2-inform%C3%A2-imaging-and-treatment
#14
REVIEW
Paul C Cremer, Arnav Kumar, Apostolos Kontzias, Carmela D Tan, E Rene Rodriguez, Massimo Imazio, Allan L Klein
Most patients with acute pericarditis have a benign course and a good prognosis. However, a minority of patients develop complicated pericarditis, and the care of these patients is the focus of this review. Specifically, we address risk factors, multimodality imaging, pathophysiology, and novel treatments. The authors conclude that: 1) early high-dose corticosteroids, a lack of colchicine, and an elevated high-sensitivity C-reactive protein are associated with the development of complicated pericarditis; 2) in select cases, cardiovascular magnetic resonance imaging may aid in the assessment of pericardial inflammation and constriction; 3) given phenotypic similarities between recurrent idiopathic pericarditis and periodic fever syndromes, disorders of the inflammasome may contribute to relapsing attacks; and 4) therapies that target the inflammasome may lead to more durable remission and resolution...
November 29, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27882211/novel-perspectives-on-the-role-of-the-human-microbiota-in-regenerative-medicine-and-surgery
#15
Tommaso Pellegatta, Marco Saler, Viola Bonfanti, Giovanni Nicoletti, Angela Faga
Plastic surgery is transitioning from a fine craftsmanship to a regenerative science. In wound healing, the role of microorganisms is no longer considered to be just counteracting, but also promoting. Furthermore, host-microbe interactions are essential for numerous aspects of normal mammalian physiology, from metabolic activity to immune homeostasis. Each area of the human body hosts a unique microbial community, and the composition of microbiota is dependent on the host, age and the anatomical area, and it changes according to the characteristics of the microenvironment...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27881024/the-use-of-atorvastatin-for-chronic-subdural-haematoma-a-retrospective-cohort-comparison-study
#16
David Yuen Chung Chan, Danny Tat Ming Chan, Tin Fung David Sun, Stephanie Chi Ping Ng, George Kwok Chu Wong, Wai Sang Poon
Chronic subdural haematoma (CSDH) is a common neurosurgical condition. Burr-hole for drainage is an effective treatment. However, recurrence can be up to 8-33% and is associated with morbidities and mortalities. The underlying pathogenesis was postulated to be localised inflammation and pathological aberrant vessels formation. Atorvastatin, an HMG-CoA reductase inhibitor, is a type of lipid-lowering medication. In animal studies and a preliminary clinical trial, Atorvastatin was shown to be effective in the treatment of CSDH...
November 23, 2016: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/27878437/neurosarcoidosis-a-clinical-approach-to-diagnosis-and-management
#17
Richard T Ibitoye, A Wilkins, N J Scolding
Sarcoidosis is a rare but important cause of neurological morbidity, and neurological symptoms often herald the diagnosis. Our understanding of neurosarcoidosis has evolved from early descriptions of a uveoparotid fever to include presentations involving every part of the neural axis. The diagnosis should be suspected in patients with sarcoidosis who develop new neurological symptoms, those presenting with syndromes highly suggestive of neurosarcoidosis, or neuro-inflammatory disease where more common causes have been excluded...
November 22, 2016: Journal of Neurology
https://www.readbyqxmd.com/read/27873743/aneurysmal-wall-imaging-in-a-case-of-cortical-superficial-siderosis-and-multiple-unruptured-aneurysms
#18
Bertrand Yalo, Raoul Pop, Ielyzaveta Zinchenko, Mihaela Diaconu, Salvatore Chibbaro, Monica Manisor, Valerie Wolff, Remy Beaujeux
We report a case of interhemispheric and bifrontal cortical superficial siderosis in association with two intracranial aneurysms. The patient had no clinical history suggestive of aneurysm rupture, no feature of amyloid angiopathy or other apparent etiology for cortical siderosis. We performed high resolution brain MRI with dark blood T1 sequences before and after IV contrast injection. An anterior communicating aneurysm showed partial wall enhancement on the posterior wall whereas a left posterior communicating aneurysm did not...
November 9, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27872212/a-proinflammatory-role-of-type-2-innate-lymphoid-cells-in-murine-immune-mediated-hepatitis
#19
Katrin Neumann, Khalil Karimi, Jana Meiners, Ruth Voetlause, Silja Steinmann, Werner Dammermann, Stefan Lüth, Farahnaz Asghari, Claudia Wegscheid, Andrea K Horst, Gisa Tiegs
Type 2 innate lymphoid cells (ILC2) mediate inflammatory immune responses in the context of diseases triggered by the alarmin IL-33. In recent years, IL-33 has been implicated in the pathogenesis of immune-mediated liver diseases. However, the immunoregulatory function of ILC2s in the inflamed liver remains elusive. Using the murine model of Con A-induced immune-mediated hepatitis, we showed that selective expansion of ILC2s in the liver was associated with highly elevated hepatic IL-33 expression, severe liver inflammation, and infiltration of eosinophils...
November 21, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27868064/shrimp-protein-hydrolysate-modulates-the-timing-of-proinflammatory-macrophages-in-bupivacaine-injured-skeletal-muscles-in-rats
#20
Junio Dort, Nadine Leblanc, Piotr Bryl, Marie-Gil Fortin, Marie-Elise Carbonneau, Charles Lavigne, Hélène Jacques
This study was designed to determine whether marine-derived proteins other than cod could have beneficial effects on inflammation following muscle injury. Macrophage and neutrophil densities were measured from bupivacaine-injured tibialis anterior muscle of rats fed isoenergetic diets containing either shrimp hydrolysate (Shr), casein hydrolysate (CaH), or whole casein (Ca). In this study, Shr reduced ED(1+)-macrophages at day 2 (p = 0.013), day 5 (p = 0.006), and day 14 after injury (p = 0.038) compared with Ca, indicating faster resolution of inflammation in Shr...
2016: BioMed Research International
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