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https://www.readbyqxmd.com/read/29352206/omega-3-carboxylic-acids-provide-efficacious-anti-inflammatory-activity-in-models-of-crystal-mediated-inflammation
#1
Cory Iverson, Andrew Bacong, Sha Liu, Scott Baumgartner, Torbjörn Lundström, Jan Oscarsson, Jeffrey N Miner
This study assesses the efficacy and exposure-response relationship of omega-3-carboxylic acids (OM-3 CA) in models of crystal-based inflammation. Human THP-1 macrophages and primary peripheral blood mononuclear cells exposed to multiple inflammatory crystal types were used to determine the anti-inflammatory potential of omega-3 (OM-3) fatty acids in vitro. Anti-inflammatory effects of OM-3 CA in vivo were tested in rat monosodium urate (MSU) crystal air pouch and rat knee intra-articular MSU injection models...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29350330/role-of-dual-energy-ct-in-the-diagnosis-and-follow-up-of-gout-systematic-analysis-of-the-literature
#2
André Ramon, Amélie Bohm-Sigrand, Pierre Pottecher, Pascal Richette, Jean-Francis Maillefert, Herve Devilliers, Paul Ornetti
The aim of this systematic review was to determine the potential role of dual-energy CT in the diagnosis and follow-up of gout with regard to the Outcome Measures in Rheumatology (OMERACT) filter. A systematic analysis of the literature was conducted using the MEDLINE and Cochrane databases and published abstracts of international congresses, according to the criteria of the OMERACT filter: feasibility, reproducibility, validity versus laboratory (serum urate, MSU synovial fluid aspirate) and other imaging modalities for gout, and its sensitivity to change in patients on urate lowering therapy (ULT)...
January 19, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29349107/draft-genome-sequence-of-xylaria-sp-the-causal-agent-of-taproot-decline-of-soybean-in-the-southern-united-states
#3
Sandeep Sharma, Alex Z Zaccaron, John B Ridenour, Tom W Allen, Kassie Conner, Vinson P Doyle, Trey Price, Edward Sikora, Raghuwinder Singh, Terry Spurlock, Maria Tomaso-Peterson, Tessie Wilkerson, Burton H Bluhm
The draft genome of Xylaria sp. isolate MSU_SB201401, causal agent of taproot decline of soybean in the southern U.S., is presented here. The genome assembly was 56.7 Mb in size with an L50 of 246. A total of 10,880 putative protein-encoding genes were predicted, including 647 genes encoding carbohydrate-active enzymes and 1053 genes encoding secreted proteins. This is the first draft genome of a plant-pathogenic Xylaria sp. associated with soybean. The draft genome of Xylaria sp. isolate MSU_SB201401 will provide an important resource for future experiments to determine the molecular basis of pathogenesis...
April 2018: Data in Brief
https://www.readbyqxmd.com/read/29340626/suppression-of-nlrp3-inflammasome-by-oral-treatment-with-sulforaphane-alleviates-acute-gouty-inflammation
#4
Gabsik Yang, Sang Hyeon Yeon, Hye Eun Lee, Han Chang Kang, Yong Yeon Cho, Hye Suk Lee, Joo Young Lee
Objective: The aetiology of gout is closely linked to the deposition of monosodium uric acid (MSU) crystals and the consequent activation of the NOD-like receptor family, pyrin domain containing 3 (NLRP3) inflammasome. In this study, we investigated whether oral administration of an NLRP3 inhibitor would be effective to attenuate the symptoms of gout. Methods: The effects of oral administration with sulforaphane (SFN) were examined in two mouse models of acute gout induced by injection of MSU crystals into footpads or air pouch...
January 10, 2018: Rheumatology
https://www.readbyqxmd.com/read/29337540/enhanced-degradation-of-pesticide-dichlorophen-by-laccase-immobilized-on-nanoporous-materials-a-cytotoxic-and-molecular-simulation-investigation
#5
Abraham Vidal, Patricia Concepción García-Suárez, Evarista Arellano-García, Oscar Edel Contreras, Sergio Aguila
Use of pesticides is usually related to over-production of crops in order to overcome worldwide demand of food and alimentary safety. Nevertheless, pesticides are environmental persistent molecules, such as the organochlorine pesticides, which are often found in undesired places. In this work, we show that a hybrid nanomaterial (laccase - MSU-F) readily oxidizes the pesticide dichlorophen, reducing its acute genotoxicity and apoptotic effects. In order to predict chronic alterations related to endocrine disruption, we compared the calculated affinity of dichlorophen oxidized sub-products to steroid hormone nuclear receptors (NRs), using molecular simulation methods...
January 16, 2018: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/29319609/joint-nociceptor-nerve-activity-and-pain-in-an-animal-model-of-acute-gout-and-its-modulation-by-intra-articular-hyaluronan
#6
Aida Marcotti, Ana Miralles, Eduardo Dominguez, Eliseo Pascual, Ana Gomis, Carlos Belmonte, Elvira de la Peña
The mechanisms whereby monosodium urate (MSU) crystals deposition in gout activate nociceptors to induce joint pain are incompletely understood. We tried to reproduce the signs of painful gouty arthritis, injecting into the knee joint of rats suspensions containing amorphous or triclinic, needle MSU crystals. The magnitude of MSU-induced inflammation and pain behavior signs was correlated with the changes in firing frequency of spontaneous and movement-evoked nerve impulse activity recorded in single knee joint nociceptor saphenous nerve fibers...
January 9, 2018: Pain
https://www.readbyqxmd.com/read/29279328/hydrogen-sulfide-inhibits-the-nlrp3-inflammasome-and-reduces-cytokine-production-both-in-vitro-and-in-a-mouse-model-of-inflammation
#7
Mariela Castelblanco, Jérôme Lugrin, Driss Ehirchiou, Sonia Nasi, Isao Ishii, Alexander So, Fabio Martinon, Nathalie Busso
A variety of stimuli, including monosodium urate (MSU) crystals, activate the NLRP3 inflammasome, and this activation involves several molecular mechanisms including xanthine oxidase (XO) upregulation and mitochondrial dysfunction. Upon oligomerization of apoptosis-associated speck-like protein containing a CARD (ASC), caspase-1 becomes active and cleaves the proinflammatory cytokine IL-1β into its active secreted form. Hydrogen sulfide (H2S), a gasotransmitter mainly produced by cystathionine γ-lyase (CSE) in macrophages, could modulate inflammation...
December 26, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29262428/bringing-emergency-neurology-to-ambulances-mobile-stroke-unit
#8
Ritvij Bowry, James C Grotta
Ischemic stroke results from blocked arteries in the brain, with earlier thrombolysis with intravenous tissue plasminogen activator (tPA) and/or mechanical thrombectomy resulting in improved clinical outcomes. Mobile Stroke Unit (MSU) can speed up the treatment with tPA and facilitate faster triage for patients to hospitals for mechanical thrombectomy. The first registry-based MSU study in Germany demonstrated faster treatment times with tPA using a MSU, a higher proportion of patients being treated within the first "golden hour," and a suggestion of improved 3-month clinical outcomes...
December 2017: Seminars in Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29250701/the-performance-of-mobile-screening-units-in-a-breast-cancer-screening-program-in-brazil
#9
Z R Greenwald, J H Fregnani, A Longatto-Filho, A Watanabe, J S C Mattos, F L Vazquez, E L Franco
PURPOSE: In Brazil, access to breast cancer screening outside of urban centers is limited. This study aims to describe the coverage and performance of a breast cancer screening program implemented with Mobile Screening Units (MSU) in northern São Paulo state. METHODS: This is a retrospective cohort study of a population-based mammography program targeting women ages 40-69 in 108 municipalities from 12/2010 to 07/2015. Screening coverage rates were estimated using the Brazil 2010 census data...
December 18, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/29226789/the-emotional-distress-of-asylum-seekers-in-israel-and-the-characteristics-of-those-seeking-psychiatric-versus-medical-help
#10
Naama Kiat, Rafael Youngmann, Ido Lurie
Israel has become a destination for asylum seekers. Asylum seekers often experience emotional distress, but have limited access to health services and rarely use psychiatric services. This study sought to understand and characterize the use of psychiatric versus medical services by asylum seekers in Israel. We compared the emotional distress, stressful life events and previous treatment consultations of 21 psychiatric service users (PSU) and 55 medical service users (MSU) at the Open Clinic of Physicians for Human Rights in Tel-Aviv...
October 2017: Transcultural Psychiatry
https://www.readbyqxmd.com/read/29221467/urothelial-cells-may-indicate-underlying-bacteriuria-in-pregnancy-at-term-a-comparative-study
#11
N Liou, J Currie, C James, J Malone-Lee, A L David
BACKGROUND: Urinary tract infection is common in pregnancy. Urine is sampled from by mid-stream collection (MSU). If epithelial cells are detected, contamination by vulvo-vagial skin and skin bacteria is assumed. Outside pregnancy, catheter specimen urine (CSU) is considered less susceptible to contamination. We compared MSU and CSU methods in term pregnancy to test these assumptions. METHODS: Healthy pregnant women at term gestation (n = 32, median gestation 38 + 6 weeks, IQR 37 + 6-39 + 2) undergoing elective caesarean section provided a MSU and CSU for paired comparison that were each analysed for bacterial growth and bladder distress by fresh microscopy, sediment culture and immunofluorescent staining...
December 8, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29214547/association-of-nlrp3-polymorphisms-with-susceptibility-to-primary-gouty-arthritis-in-a-chinese-han-population
#12
Quan-Bo Zhang, Yu-Feng Qing, Yong-Long He, Wen-Guang Xie, Jing-Guo Zhou
The NLRP3-interleukin1β (IL1β) signaling pathway is involved in monosodium urate (MSU)-mediated inflammation. The aim of this present study was to determine whether single nucleotide polymorphisms (SNPs) in the NLRP3 gene are associated with susceptibility to gouty arthritis (GA) and whether these SNPs alter the expression of components of the NLRP3-IL1β signaling pathway. The rs10754558, rs4612666, and rs1539019 SNPs were detected in 583 patients with GA and 459 healthy subjects. NLRP3 and IL1β mRNA levels in peripheral blood mononuclear cells (PBMCs) and serum IL1β levels were measured in different genotype carriers, and correlations between the NLRP3 SNPs and NLRP3 mRNA, IL1β mRNA, and serum IL1β levels were investigated...
December 7, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/29201144/length-of-stay-costs-and-complications-in-lumbar-disc-herniation-surgery-by-standard-plif-versus-a-new-dynamic-interspinous-stabilization-technique
#13
Manuel Segura-Trepichio, David Candela-Zaplana, José Manuel Montoza-Nuñez, Antonio Martin-Benlloch, Andreu Nolasco
Background: The number of lumbar spine surgeries has been increasing during the last 20 years, which also leads to an increase in hospital costs and complications related to surgery. Therefore, there is a greater concern about the costs and safety of the techniques and implants used. Methods: Patients (aged from 18 to 50 years) presenting with lumbago /sciatica (ICD-10-CM M54.3, M54.4) due to lumbar disc herniation lasting more than 12 weeks, were included. Patients with disc herniation larger than size-2 or size-3 according to the MSU Classification were eligible for participation...
2017: Patient Safety in Surgery
https://www.readbyqxmd.com/read/29191979/shigella-hijacks-the-glomulin-ciaps-inflammasome-axis-to-promote-inflammation
#14
Shiho Suzuki, Toshihiko Suzuki, Hitomi Mimuro, Tsunehiro Mizushima, Chihiro Sasakawa
Shigella deploys a unique mechanism to manipulate macrophage pyroptosis by delivering the IpaH7.8 E3 ubiquitin ligase via its type III secretion system. IpaH7.8 ubiquitinates glomulin (GLMN) and elicits its degradation, thereby inducing inflammasome activation and pyroptotic cell death of macrophages. Here, we show that GLMN specifically binds cellular inhibitor of apoptosis proteins 1 and 2 (cIAP1 and cIAP2), members of the inhibitor of apoptosis (IAP) family of RING-E3 ligases, which results in reduced E3 ligase activity, and consequently inflammasome-mediated death of macrophages...
November 30, 2017: EMBO Reports
https://www.readbyqxmd.com/read/29174375/actinidia-arguta-extract-attenuates-inflammasome-activation-potential-involvement-in-nlrp3-ubiquitination
#15
Kang-Hyuck Heo, Xiao Sun, Do-Wan Shim, Myong-Ki Kim, Sushruta Koppula, Sang-Hyeun Yu, Han-Bi Kim, Tack-Joong Kim, Tae-Bong Kang, Kwang-Ho Lee
ETHNOPHARMACOLOGICAL RELEVANCE: Actinidia arguta (A. arguta) has been widely used in Asian countries as a traditional medicinal herb to treat inflammation-related diseases, such as gastritis, bronchitis, and arthritis. AIM OF THE STUDY: The inhibitory effect of A. arguta leaves' extract (AA) on inflammasome activation was investigated to verify its traditional use in treating inflammation-related diseases. MATERIALS AND METHODS: Bone marrow-derived macrophages (BMDMs) primed by lipopolysaccharide (LPS) were activated by selective inflammasome stimulators, and the effect of AA on inflammasome activation was investigated...
November 21, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29146741/presence-of-monosodium-urate-crystal-deposition-by-dual-energy-ct-in-patients-with-gout-treated-with-allopurinol
#16
Nicola Dalbeth, Savvas Nicolaou, Scott Baumgartner, Jia Hu, Maple Fung, Hyon K Choi
OBJECTIVE: Dual-energy CT (DECT) detects and quantifies monosodium urate (MSU) crystal deposition with high precision. This DECT study assessed crystal deposition in patients with gout treated with stable-dose allopurinol, and investigated potential clinical determinants for crystal deposition. METHODS: Patients with gout treated with allopurinol ≥300 mg daily for at least 3 months were prospectively recruited from the USA and New Zealand, using monitored enrolment to include approximately 25% patients with palpable tophi and approximately 50% with serum urate (sUA) levels <6...
November 16, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/29142418/marantodes-pumilum-blume-kuntze-inhibited-secretion-of-lipopolysaccharide-and-monosodium-urate-crystal-stimulated-cytokines-and-plasma-prostaglandin-e2
#17
Eldiza Puji Rahmi, Jamia Azdina Jamal, Endang Kumolosasi, Juriyati Jalil, Nor-Ashila Aladdin
Background: Marantodes pumilum is traditionally used for dysentery, gonorrhea, and sickness in the bones. Previous studies revealed its antibacterial and xanthine oxidase inhibitory activities. Objective: To evaluate the inhibitory effects of three M. pumilum varieties on the secretion of lipopolysaccharide (LPS)- and monosodium urate crystal (MSU)-induced cytokines and plasma prostaglandin E2 (PGE2) in vitro. Materials and Methods: The leaves and roots of M...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29130951/prehospital-computed-tomography-angiography-in-acute-stroke-management
#18
Michael Kettner, Stefan Alexander Helwig, Andreas Ragoschke-Schumm, Lenka Schwindling, Safwan Roumia, Isabel Keller, Daniel Martens, Johann Kulikovski, Matthias Manitz, Martin Lesmeister, Silke Walter, Iris Quasar Grunwald, Thomas Schlechtriemen, Wolfgang Reith, Klaus Fassbender
BACKGROUND: An ambulance equipped with a computed tomography (CT) scanner, a point-of-care laboratory, and telemedicine capabilities (mobile stroke unit [MSU]) has been shown to enable the delivery of thrombolysis to stroke patients directly at the emergency site, thereby significantly decreasing time to treatment. However, work-up in an MSU that includes CT angiography (CTA) may also potentially facilitate triage of patients directly to the appropriate target hospital and specialized treatment, according to their individual vascular pathology...
October 31, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/29126101/prefmd-a-web-server-for-protein-structure-refinement-via-molecular-dynamics-simulations
#19
Lim Heo, Michael Feig
Summary: Refinement of protein structure models is a long-standing problem in structural bioinformatics. Molecular dynamics-based methods have emerged as an avenue to achieve consistent refinement. The PREFMD web server implements an optimized protocol based on the method successfully tested in CASP11. Validation with recent CASP refinement targets shows consistent and more significant improvement in global structure accuracy over other state-of-the-art servers. Availability: PREFMD is freely available as a web server at http://feiglab...
November 8, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29115078/elderly-patients-exhibit-stronger-inflammatory-responses-during-gout-attacks
#20
Jae Hyun Lee, Ji Ae Yang, Kichul Shin, Ga Hye Lee, Won Woo Lee, Eun Young Lee, Yeong Wook Song, Eun Bong Lee, Jin Kyun Park
Gout attacks are often accompanied by systemic inflammatory response. The aim of the retrospective study was to compare gout patients in different age groups in terms of their clinical features at gout attacks. Patients, who were treated for gout attack in two tertiary medical centers between January 2000 and April 2014, were divided into young (≤ 50 years), middle-aged, and elderly (> 65 years) groups. Patients in three age groups were compared in terms of presence of fever (> 37.8°C), C-reactive protein (CRP) levels, and erythrocyte sedimentation ratio (ESR) at the gout attacks...
December 2017: Journal of Korean Medical Science
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