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https://www.readbyqxmd.com/read/28523202/identification-of-a-novel-alternatively-spliced-form-of-inflammatory-regulator-swap-70-like-adapter-of-t-cells
#1
Marie Hashimoto, Jun-Ichi Nagao, Shojiro Ikezaki, Sonoko Tasaki, Ken-Ichi Arita-Morioka, Yuka Narita, Tamaki Cho, Kenji Yuasa, Amnon Altman, Yoshihiko Tanaka
Activation of naive CD4(+) T cells results in the development of several distinct subsets of effector Th cells, including Th2 cells that play a pivotal role in allergic inflammation and helminthic infections. SWAP-70-like adapter of T cells (SLAT), also known as Def6 or IBP, is a guanine nucleotide exchange factor for small GTPases, which regulates CD4(+) T cell inflammatory responses by controlling Ca(2+)/NFAT signaling. In this study, we have identified a novel alternatively spliced isoform of SLAT, named SLAT2, which lacks the region encoded by exons 2-7 of the Def6 gene...
2017: International Journal of Inflammation
https://www.readbyqxmd.com/read/28523028/peripheral-arterial-blood-pressure-versus-central-crterial-blood-pressure-monitoring-in-critically-ill-patients-after-cardio-pulmonary-bypass
#2
Rana Altaf Ahmad, Suhail Ahmad, Anjum Naveed, Mirza Ahmad Raza Baig
OBJECTIVE: To determine the accuracy of peripheral (radial) arterial access as compared to central (femoral) arterial access for measurement of invasive blood pressure (IBP) in critically ill patients after cardiopulmonary bypass. METHODS: Sixty patients (60) who required high inotropic/vasopressor support on weaning from cardio-pulmonary bypass and weaned off in 2(nd) attempt were included in this study. The duration of this study was from June 2015 to August 2016...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28518108/identification-of-plant-ice-binding-proteins-through-assessment-of-ice-recrystallization-inhibition-and-isolation-using-ice-affinity-purification
#3
Melissa Bredow, Heather E Tomalty, Virginia K Walker
Ice-binding proteins (IBPs) belong to a family of stress-induced proteins that are synthesized by certain organisms exposed to subzero temperatures. In plants, freeze damage occurs when extracellular ice crystals grow, resulting in the rupture of plasma membranes and possible cell death. Adsorption of IBPs to ice crystals restricts further growth by a process known as ice-recrystallization inhibition (IRI), thereby reducing cellular damage. IBPs also demonstrate the ability to depress the freezing point of a solution below the equilibrium melting point, a property known as thermal hysteresis (TH) activity...
May 5, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28492508/inclusion-complexes-of-a-new-family-of-non-ionic-amphiphilic-dendrocalix-4-arene-and-poorly-water-soluble-drugs-naproxen-and-ibuprofen
#4
Khalid Khan, Syed Lal Badshah, Nasir Ahmad, Haroon Ur Rashid, Yahia Mabkhot
The inclusion complexes of a new family of nonionic amphiphilic calix[4]arenes with the anti-inflammatory hydrophobic drugs naproxen (NAP) and ibuprofen (IBP) were investigated. The effects of the alkyl chain's length and the inner core of calix[4]arenes on the interaction of the two drugs with the calix[4]arenes were explored. The inclusion complexes of Amphiphiles 1a-c with NAP and IBP increased the solubility of these drugs in aqueous media. The interaction of 1a-c with the drugs in aqueous media was investigated through fluorescence, molecular modeling, and ¹H-NMR analysis...
May 11, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28481446/how-different-are-g-protein-stabilized-agonist-gpcr-complexes-from-their-nanobody-stabilized-equivalents
#5
Noureldin Saleh, Passainte Ibrahim, Tim Clark
Protein nanobodies have been used successfully as surrogates for unstable G-proteins in order to crystallize G-protein coupled receptors (GPCRs) in their active states. We have now used molecular dynamics (MD) simulations including metadynamics enhanced sampling to investigate the similarities and differences between GPCR-agonist ternary complexes with the -subunits of the appropriate G-proteins and with the protein nanobodies (intracellular binding partners, IBPs) used for crystallization. In two of three receptors considered, the agonist binding mode differs significantly between the two alternative ternary complexes...
May 8, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28426912/the-association-between-inflammatory-back-pain-characteristics-and-mri-findings-in-the-spine-and-sacroiliac-joints
#6
Bodil Arnbak, Anne G Jurik, Tue S Jensen, Claus Manniche
OBJECTIVE: To investigate the association between MRI findings at the sacroiliac joints (SIJs) and vertebral endplates and pain characteristics assumed to be indicative of axial inflammation. METHODS: Patients aged 18-40 years with persistent low back pain referred to an outpatient spine clinic participated, including an unknown proportion of axial spondyloarthritis patients. Data included MRI of the spine and SIJs and self-reported responses to questions covering the Calin, Berlin, ASAS and Bailly inflammatory back pain (IBP) definitions...
April 20, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28422690/doubly-nonparametric-sparse-nonnegative-matrix-factorization-based-on-dependent-indian-buffet-processes
#7
Junyu Xuan, Jie Lu, Guangquan Zhang, Richard Yi Da Xu, Xiangfeng Luo
Sparse nonnegative matrix factorization (SNMF) aims to factorize a data matrix into two optimized nonnegative sparse factor matrices, which could benefit many tasks, such as document-word co-clustering. However, the traditional SNMF typically assumes the number of latent factors (i.e., dimensionality of the factor matrices) to be fixed. This assumption makes it inflexible in practice. In this paper, we propose a doubly sparse nonparametric NMF framework to mitigate this issue by using dependent Indian buffet processes (dIBP)...
April 12, 2017: IEEE Transactions on Neural Networks and Learning Systems
https://www.readbyqxmd.com/read/28419826/melting-process-of-the-peritectic-mixture-of-lidocaine-and-ibuprofen-interpreted-by-site-percolation-theory-model
#8
Hikaru Kataoka, Yoshinori Sakaki, Kazushi Komatsu, Yohsuke Shimada, Satoru Goto
Eutectic mixtures are often used in the design and delivery of drugs. In this study, we examined the peritectic mixture of lidocaine (LDC) and ibuprofen (IBP) using differential scanning calorimetry, Raman spectroscopy, and microscopy. The obtained phase diagram shows that as the mixture is heated, first LDC melts at 293 K, then IBP dissolves in the liquefied LDC at 310 K, and finally all remaining crystals melt. In the (1)H NMR spectra, the signals of the carboxyl group in IBP and amide or amine group in LDC shift to the low magnetic field in the IBP/LDC mixtures, because of the intermolecular interaction between these moieties...
April 15, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28415394/ultra-sensitive-detection-of-ibuprofen-ibp-by-electrochemical-aptasensor-using-the-dendrimer-quantum-dot-den-qd-bioconjugate-as-an-immobilization-platform-with-special-features
#9
Mahmoud Roushani, Faezeh Shahdost-Fard
This study describes a high-performance electrochemical aptasensor which is employed to detect Ibuprofen (IBP) as a painkiller drug by using a novel platform as an integrated sensing interface. In order to make the aptasensor, the Den-QD bioconjugate was immobilized on the surface of a GC electrode and followed the Apt was incubated on this surface. The incubation of the IBP on the aptasensor surface and the formation of the Apt/IBP complex, led to a hindered electron transfer reaction on the sensing surface, which decreased the peak current of the redox probe...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28414546/behavioral-parent-training-in-infancy-what-about-the-parent-infant-relationship
#10
Angela M Blizzard, Nicole E Barroso, Francisco G Ramos, Paulo A Graziano, Daniel M Bagner
Behavioral parent training (BPT) and attachment interventions have demonstrated efficacy in improving outcomes for young children. Despite theoretical overlap in these approaches, the literature has evolved separately, particularly with respect to outcome measurement in BPT. We examined the impact of the Infant Behavior Program (IBP), a brief home-based adaptation of Parent-Child Interaction Therapy, on changes in attachment-based caregiving behaviors (sensitivity, warmth, and intrusiveness) at postintervention and 3- and 6-month follow-ups during a videotaped infant-led play...
April 17, 2017: Journal of Clinical Child and Adolescent Psychology
https://www.readbyqxmd.com/read/28408642/elevated-intrabolus-pressure-identifies-obstructive-processes-when-integrated-relaxation-pressure-is-normal-on-esophageal-high-resolution-manometry
#11
Farhan Quader, Chanakyaram Reddy, Amit Patel, C Prakash Gyawali
BACKGROUND: Elevated integrated relaxation pressure (IRP) on esophageal high resolution manometry (HRM) identifies obstructive processes at the esophagogastric junction (EGJ). AIM: To determine if intrabolus pressure (IBP) can identify structural EGJ processes when IRP is normal. METHODS: In this observational cohort study, adult patients with dysphagia and undergoing HRM were evaluated for endoscopic evidence of structural EGJ processes (strictures, rings, hiatus hernia) in the setting of normal IRP...
April 13, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28405472/course-of-patients-with-juvenile-spondyloarthritis-during-4%C3%A2-years-of-observation-juvenile-part-of-gespic
#12
Anja Weiß, Kirsten Minden, Joachim Listing, Ivan Foeldvari, Joachim Sieper, Martin Rudwaleit
OBJECTIVE: To describe the course and the 4-year outcome of juvenile spondyloarthritis (jSpA). METHODS: Patients with a diagnosis of jSpA and an age at onset ≤16 years were included in the German Spondyloarthritis Inception cohort (GESPIC) and followed up prospectively for 4 years. RESULTS: 118 patients (73% men, 66% HLA-B27 positive, mean age 13.5 years, mean symptom duration 2.2 years) were enrolled in 2 study centres: 52% of patients with jSpA were captured by the enthesitis-related arthritis subgroup of the International League of Associations for Rheumatology classification criteria...
2017: RMD Open
https://www.readbyqxmd.com/read/28398082/transcriptomic-response-of-arabidopsis-thaliana-l-heynh-roots-to-ibuprofen
#13
Premysl Landa, Sylva Prerostova, Lenka Langhansova, Petr Marsik, Tomas Vanek
Surface waters in urban areas are contaminated by ibuprofen (IBP), a popular and extensively used anti-inflammatory drug. In this study, we investigated the transcriptomic response in Arabidopsis thaliana (L.) Heynh. roots with the aim of revealing genes that are potentially involved in IBP detoxification and to elucidate the effect of IBP on plants. IBP up-regulated 63 and down-regulated 38 transcripts (p-value < 0.1, fold change ≥ 2) after two-day exposure to a 5 µM (1.03 mg L(-1)) concentration of IBP under hydroponic conditions...
April 11, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28387927/multimodal-lung-cancer-screening-using-the-italung-biomarker-panel-and-low-dose-computed-tomography-results-of-the-italung-biomarker-study
#14
Francesca Maria Carozzi, Simonetta Bisanzi, Laura Carrozzi, Fabio Falaschi, Andrea Lopes Pegna, Mario Mascalchi, Giulia Picozzi, Marco Peluso, Cristina Sani, Luana Greco, Cristina Ocello, Eugenio Paci
Asymptomatic high-risk subjects, randomized in the intervention arm of the ITALUNG trial (1,406 screened for lung cancer), were enrolled for the ITALUNG biomarker study (n = 1,356), in which samples of blood and sputum were analyzed for plasma DNA quantification (cut off 5 ng/ml), loss of heterozygosity and microsatellite instability. The ITALUNG biomarker panel (IBP) was considered positive if at least one of the two biomarkers included in the panel was positive. Subjects with and without lung cancer diagnosis at the end of the screening cycle with LDCT (n = 517) were evaluated...
April 7, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28380901/ion-beam-planarization-of-diamond-turned-surfaces-with-various-roughness-profiles
#15
Yaguo Li, Hideo Takino, Frank Frost
The effectiveness of ion beam planarization (IBP) to reduce surface roughness of diamond turned NiP surfaces was investigated. The surfaces with various spatial wavelengths and depths of turning marks were spray-coated and planarized with broad ion beam. The ion beam planarization was performed at a special angle where the etching rate of photoresist is closely similar to NiP. It is found that the combined process of spray-coating and ion-beam-planarization can effectively reduce the surface roughness of diamond turned NiP...
April 3, 2017: Optics Express
https://www.readbyqxmd.com/read/28346781/metabolism-of-ibuprofen-by-phragmites-australis-uptake-and-phytodegradation
#16
Yujie He, Alette A M Langenhoff, Nora B Sutton, Huub H M Rijnaarts, Marco H Blokland, Feiran Chen, Christian Huber, Peter Schröder
This study explores ibuprofen (IBP) uptake and transformation in the wetland plant species Phragmites australis and the underlying mechanisms. We grew P. australis in perlite under greenhouse conditions and treated plants with 60 μg/L of IBP. Roots and rhizomes (RR), stems and leaves (SL), and liquid samples were collected during 21 days of exposure. Results show that P. australis can take up, translocate, and degrade IBP. IBP was completely removed from the liquid medium after 21 days with a half-life of 2...
April 6, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28343130/computational-study-of-ibuprofen-removal-from-water-by-adsorption-in-realistic-activated-carbons
#17
Daniel Bahamon, Leticia Carro, Sonia Guri, Lourdes F Vega
Molecular simulations using the Grand Canonical Monte Carlo (GCMC) method have been performed in order to obtain physical insights on how the interaction between ibuprofen (IBP) and activated carbons (ACs) in aqueous mixtures affects IBP removal from water by ACs. A nanoporous carbon model based on units of polyaromatic molecules with different number of rings, defects and polar-oxygenated sites is described. Individual effects of factors such as porous features and chemical heterogeneities in the adsorbents are investigated and quantified...
March 18, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28340940/axially-modified-paddlewheel-diruthenium-ii-iii-ibuprofenato-metallodrugs-and-the-influence-of-the-structural-modification-on-u87mg-and-a172-human-glioma-cell-proliferation-apoptosis-mitosis-and-migration
#18
Hanif-Ur-Rehman, Tatiana E Freitas, Renata N Gomes, Alison Colquhoun, Denise de Oliveira Silva
The metallodrug chloridotetrakis(ibuprofenato)diruthenium(II,III) ([Ru2(Ibp)4Cl] or RuIbpCl (1), Ibp=carboxylate anion derived from the non-steroidal anti-inflammatory drug ibuprofen) has shown promising results in vitro and in vivo, which point to its potential as an inhibitor of glioma tumour growth in vivo. In order to get insight into the influence of structural changes on the biological response of the metallodrug, the [Ru2(Ibp)4] metal-metal multiply bonded paddlewheel unit was modified for the axial ligand...
December 2016: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28336550/the-effect-of-intravenous-corticotropin-releasing-hormone-administration-on-esophageal-sensitivity-and-motility-in-health
#19
Charlotte Broers, Chloé Melchior, Lukas Van Oudenhove, Tim Vanuytsel, Brecht Van Houtte, Charlotte Scheerens, Nathalie Rommel, Jan Tack, Ans Pauwels
Esophageal hypersensitivity is important in gastroesophageal reflux disease (GERD) patients who are refractory to acid-suppressive therapy. Stress affects visceral sensitivity and exacerbates heartburn in GERD. Peripheral CRH is a key mediator of the gut stress response. We hypothesize that CRH increases esophageal sensitivity and alters esophageal motility in health. Esophageal sensitivity to thermal, mechanical, electrical, and chemical stimuli was assessed in 14 healthy subjects after administration of placebo or CRH (100 μg iv)...
May 1, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28318231/paraben-concentrations-in-maternal-urine-and-breast-milk-and-its-association-with-personal-care-product-use
#20
Mandy Fisher, Susan MacPherson, Joseph M Braun, Russ Hauser, Mark Walker, Mark Feeley, Ranjeeta Mallick, René Bérubé, Tye E Arbuckle
Parabens are broad-spectrum antimicrobial preservatives and fragrances used in a wide range of personal care products, pharmaceuticals, and food providing the opportunity for people to be exposed on a daily basis. In 2009-2010, 80 pregnant women from Ottawa Canada participated in the Plastics and Personal-Care Product Use in Pregnancy (P4) Study. A subset of women (n = 31) who provided multiple spot urine samples (n = 542) collected over two 24-h periods had their samples analyzed for methylparaben (MP), n-propylparaben (PP), ethylparaben (EP), butylparaben (BP), isobutylparaben (IBP), and benzylparaben (BzP)...
March 20, 2017: Environmental Science & Technology
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