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https://www.readbyqxmd.com/read/28651183/investigating-the-effect-of-different-transducer-stiffness-values-on-the-contactin-complex-detachment-by-steered-molecular-dynamics
#1
Parnian Kianfar, Nabiollah Abolfathi, Navid Zarif Karimi
This study investigated the adhesion behavior of Contactin4 (CNTN4), a member of Immunoglobulin Super Family (Ig-SF) of cell adhesion molecules. Contactin4 plays a crucial role in the formation, maintenance, and plasticity of neuronal networks. Contactin in its complex configuration with protein tyrosine phosphatase gamma (PTPRG) was selected for simulation. By utilizing Steered Molecular Dynamics (SMD), the uniaxial force was applied to induce unbinding of the complex, and the force-induced detachment of complex components was probed...
June 2, 2017: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/28650728/minor-constituents-in-rice-bran-oil-and-sesame-oil-play-a-significant-role-in-modulating-lipid-homeostasis-and-inflammatory-markers-in-rats
#2
Yalagala Poorna Chandra Rao, Dhavamani Sugasini, Talahalli Ravichandra Ramaprasad, Belur Ramaswamy Lokesh
The effects of feeding rats with groundnut oil (GNO), rice bran oil (RBO), and sesame oil (SESO) on serum lipids, liver lipids, and inflammatory markers were evaluated in rats. Male Wistar rats were fed with AIN-93 diet supplemented with 10 wt% of GNO, RBO, and SESO in the form of native (N) and minor constituent-removed (MCR) oils. Rats given RBO and SESO showed significant reduction in serum and liver lipids, 8-hydroxy-2-deoxyguanosine, cytokines in liver, and eicosanoids in leukocytes as compared with the rats given GNO and MCR oils...
June 26, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28650215/tolerability-of-topical-tocilizumab-eyedrops-in-dogs-a-pilot-study
#3
Vatinee Y Bunya, Simone Iwabe, Ilaria Macchi, Mina Massaro-Giordano, Maxwell Pistilli, Gustavo D Aguirre
PURPOSE: The aim of this study was to examine the tolerability of topical tocilizumab eyedrops in normal dogs and to assess whether this preparation alters tear film cytokine levels or conjunctival cytokine mRNA expression. METHODS: Two percent tocilizumab eyedrops were administered to the right eyes and artificial tears to the left eyes of 10 dogs with no anterior segment pathology 3 times daily for 4 weeks. Portable slit-lamp examinations and Schirmer tear testing were performed at baseline and day 1 week 4, as well as 2 weeks after treatment (week 6)...
June 26, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28649938/epidemiology-and-survival-of-cervical-cancer-in-the-french-west-indies-data-from-the-martinique-cancer-registry-2002-2011
#4
K Melan, E Janky, J Macni, S Ulric-Gervaise, M-J Dorival, J Veronique-Baudin, C Joachim
BACKGROUND: The Caribbean ranks seventh among world regions most affected by cervical cancer. Social health inequalities, such as differences in access to screening services, engender disparities in incidence and mortality between low- and middle-income countries and industrialized countries. The French National Cancer Plan 2014-2019 focuses on reducing inequalities in cervical cancer. OBJECTIVE: The aim of this study was to describe the geographical distribution and overall survival of cervical cancer, based on data from a population-based cancer registry in Martinique (French West-Indies)...
2017: Global Health Action
https://www.readbyqxmd.com/read/28649722/comparison-of-dvh-based-plan-verification-methods-for-vmat-arccheck-3dvh-system-and-dynalog-based-dose-reconstruction
#5
Masahide Saito, Noriyuki Kadoya, Kiyokazu Sato, Kengo Ito, Suguru Dobashi, Ken Takeda, Hiroshi Onishi, Keiichi Jingu
The purpose of this study was comparing dose-volume histogram (DVH)-based plan verification methods for volumetric modulated arc therapy (VMAT) pretreatment QA. We evaluated two 3D dose reconstruction systems: ArcCHECK-3DVH system (Sun Nuclear corp.) and Varian dynalog-based dose reconstruction (DBDR) system, developed in-house. Fifteen prostate cancer patients (67.6 Gy/26 Fr), four head and neck cancer patient (66 Gy/33 Fr), and four esophagus cancer patients (60 Gy/30 Fr) treated with VMAT were studied...
June 26, 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28649655/gene-expression-in-breast-and-adipose-tissue-after-12-months-of-weight-loss-and-vitamin-d-supplementation-in-postmenopausal-women
#6
Caitlin Mason, Lei Wang, Catherine Duggan, Ikuyo Imayama, Sushma S Thomas, Ching-Yun Wang, Larissa A Korde, Anne McTiernan
Adipose tissue is involved in the etiology of postmenopausal breast cancer, possibly through increased sex steroid hormone production, inflammation, and altered adipokines. Vitamin D may affect these pathways but its effect on gene expression in different tissues has not been examined. Within a double-blind, 12-month placebo-controlled randomized trial, we compared 2000 IU/day oral vitamin D3 supplementation (N = 39) vs. placebo (N = 40) on the expression of 5 genes in breast and adipose tissue in overweight/obese postmenopausal women (50-75 years)...
2017: NPJ Breast Cancer
https://www.readbyqxmd.com/read/28649248/a-combination-of-podophyllotoxin-and-rutin-alleviates-radiation-induced-pneumonitis-and-fibrosis-through-modulation-of-lung-inflammation-in-mice
#7
Savita Verma, Bhargab Kalita, Sania Bajaj, Hridayesh Prakash, Ajay Kumar Singh, Manju Lata Gupta
Pneumonitis and pulmonary fibrosis are predominant consequences of radiation exposure, whether planned or accidental. The present study, demonstrates radioprotective potential of a formulation, prepared by combining podophyllotoxin and rutin (G-003M), in mice exposed to 11 Gy thoracic gamma radiation (TGR). Treated mice were observed for survival and other symptomatic features. Formation of reactive oxygen species (ROS)/nitric oxide (NO) was measured in bronchoalveolar lavage cells. DNA damage and cell death were assessed in alveolar cells by terminal deoxynucleotidyl transferase dUTP nick-end labeling assay...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28648837/integrative-characterization-of-chronic-cigarette-smoke-induced-cardiopulmonary-comorbidities-in-a-mouse-model
#8
Ágnes Kemény, Kata Csekő, István Szitter, Zoltán V Varga, Péter Bencsik, Krisztina Kiss, Róbert Halmosi, László Deres, Krisztián Erős, Anikó Perkecz, László Kereskai, Terézia László, Tamás Kiss, Péter Ferdinandy, Zsuzsanna Helyes
Cigarette smoke-triggered inflammatory cascades and consequent tissue damage are the main causes of chronic obstructive pulmonary disease (COPD). There is no effective therapy and the key mediators of COPD are not identified due to the lack of translational animal models with complex characterization. This integrative chronic study investigated cardiopulmonary pathophysiological alterations and mechanisms with functional, morphological and biochemical techniques in a 6-month-long cigarette smoke exposure mouse model...
June 22, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28648714/evaluation-of-a-minimum-norm-based-beamforming-technique-sloreta-for-reducing-tonic-muscle-contamination-of-eeg-at-sensor-level
#9
Azin S Janani, Tyler S Grummett, Trent W Lewis, Sean P Fitzgibbon, Emma M Whitham, Dylan DelosAngeles, Hanieh Bakhshayesh, John O Willoughby, Kenneth J Pope
BACKGROUND: Cranial and cervical muscle activity (electromyogram, EMG) contaminates the surface electroencephalogram (EEG) from frequencies below 20 through to frequencies above 100Hz. It is not possible to have a reliable measure of cognitive tasks expressed in EEG at gamma-band frequencies until the muscle contamination is removed. NEW METHOD: In the present work, we introduce a new approach of using a minimum-norm based beamforming technique (sLORETA) to reduce tonic muscle contamination at sensor level...
June 22, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28648423/evaluation-of-gamma-glutamyl-transferase-as-a-marker-of-cardiovascular-risk-in-200-angiographically-proven-coronary-artery-disease-patients
#10
Vani Bharani, V Ramesh, Ram Nawal Rao, Satyendra Tewari
Gamma glutamyl transferase (GGT) is emerging as a promising marker for assessing cardiovascular risk. GGT predicts cardiovascular mortality in the population and is positively associated with traditional risk factors for coronary artery disease (CAD). This study was undertaken on 200 north Indian CAD patients diagnosed with coronary angiography to study relation of GGT with risk factors for CAD and severity of CAD. GGT values ranged from 5 to 69U/L and were divided in 4 quartiles. GGT was positively associated with triglyceride (p=0...
May 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28648203/high-levels-of-both-serum-gamma-glutamyl-transferase-and-alkaline-phosphatase-are-independent-preictors-of-mortality-in-patients-with-stage-4-5-chronic-kidney-disease
#11
Fernando Caravaca-Fontán, Lilia Azevedo, Miguel Ángel Bayo, Boris Gonzales-Candia, Enrique Luna, Francisco Caravaca
INTRODUCTION: High serum gamma-glutamyl transferase (GGT) levels are associated with increased mortality in the general population. However, this association has scarcely been investigated in patients with chronic kidney disease (CKD). This study aims to investigate the clinical characteristics of CKD patients with abnormally elevated serum GGT, and its value for predicting mortality. MATERIAL AND METHODS: Retrospective observational study in a population cohort of adults with stage 4-5 CKD not yet on dialysis...
May 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/28648058/effect-of-exogenous-nitro-oxide-on-chilling-tolerance-polyamine-proline-and-gamma-aminobutyric-acid-and-in-bamboo-shoots-phyllostachys-praecox-f-prevernalis
#12
Di Wang, Li Li, Yanqun Xu, Jarukitt Limwachiranon, Dong Li, Zhaojun Ban, Zisheng Luo
The effect of exogenous nitro oxide (NO) on chilling resistance and the metabolism of polyamine, proline and gamma-aminobutyric acid of bamboo shoots were investigated. Bamboo shoots were dipped in 0.07 mM sodium nitroprusside and stored at 1 °C for 56 d. During the storage, the development of chilling injury of SNP treated bamboo shoots was inhibited with decreased accumulation of malonaldehyde and electrical leakage. At the end of storage, the chilling injury incidence of treated bamboo shoots were decreased by 37...
June 24, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28646912/influences-of-age-related-changes-in-mesenchymal-stem-cells-on-macrophages-during-in-vitro-culture
#13
Yuan Yin, Rui-Xin Wu, Xiao-Tao He, Xin-Yue Xu, Jia Wang, Fa-Ming Chen
BACKGROUND: Mesenchymal stem cells (MSCs) have been widely used in cytotherapy and tissue engineering due to their immunosuppressive ability and regenerative potential. Recently, the immunomodulatory influence of MSCs has been gaining increasing attention because their functional roles in modulating immune responses likely have high clinical significance. METHODS: In this study, we investigated the influence of MSCs on macrophages (Mφs) in in-vitro cell culture systems...
June 24, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28646516/tofacitinib-restores-the-inhibition-of-reverse-cholesterol-transport-induced-by-inflammation-understanding-the-lipid-paradox-associated-with-rheumatoid-arthritis
#14
S Pérez-Baos, J I Barrasa, P Gratal, A Larrañaga-Vera, I Prieto-Potin, G Herrero-Beaumont, R Largo
BACKGROUND AND PURPOSE: Patients with active rheumatoid arthritis (RA) have increased cardiovascular mortality, paradoxically associated with reduced circulating lipid levels. The Janus kinase (Jak) inhibitor tofacitinib ameliorates systemic and joint inflammation in RA with a concomitant increase in serum lipids. We analyzed the effect of tofacitinib on the lipid profile of hyperlipidemic rabbits with chronic arthritis (CA) and on the regulation of reverse cholesterol transport (RCT) during chronic inflammation...
June 23, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28646511/control-of-autoimmune-inflammation-using-liposomes-to-deliver-positive-allosteric-modulators-of-metabotropic-glutamate-receptors
#15
Joshua M Gammon, Arjun R Adapa, Christopher M Jewell
Multiple sclerosis (MS) is an autoimmune disease where myelin is incorrectly recognized as foreign and attacked by the adaptive immune system. Dendritic cells (DCs) direct adaptive immunity by presenting antigens to T cells, therefore serving as a target for autoimmune therapies. N-Phenyl-7-(hydroxyimino)cyclopropa[b]chromen-1a-carboxamide (PHCCC), a positive allosteric modulator of metabotropic glutamate receptor 4 (mGluR4), can promote regulatory T cells by altering cytokine secretion to bias T cell differentiation...
June 24, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28646487/immunotoxic-effects-of-thymus-in-mice-following-exposure-to-nanoparticulate-tio2
#16
Fashui Hong, Yaoming Zhou, Yingjun Zhou, Ling Wang
Titanium dioxide nanoparticles (TiO2 NPs) have been extensively used in industry, medicine, and daily life, and have shown potential toxic effects for animals or humans. We noted that the effects of TiO2 NPs on the immune system and its mechanism of action in animals or humans have not been elucidated. Thus, mice were exposed to the TiO2 NPs (0, 1.25, 2.5, or 5 mg kg(-1) body weight) for 9 consecutive months. Exposure to TiO2 NPs was accumulated in the thymus, leading to a decrease in body weight and increases in the weight of the thymus or thymus indices...
June 24, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28646128/%C3%AE-copi-mediates-the-retention-of-kae1-g701d-protein-in-golgi-apparatus-a-mechanistic-explanation-of-drta-associated-g701d-mutation
#17
Natapol Duangtum, Mutita Junking, Suratchanee Phadngam, Nunghathai Sawasdee, Andrea Castiglioni, Komgrid Charngkaew, Thawornchai Limjindaporn, Ciro Isidoro, Pa-Thai Yenchitsomanus
Mutations of solute carrier family 4 member 1 ( SLC4A1 ) gene encoding kidney anion (chloride/bicarbonate ion) exchanger 1 (kAE1) can cause genetic distal renal tubular acidosis (dRTA). Different SLC4A1 mutations give rise to mutant kAE1 proteins with distinct defects in protein trafficking. The mutant kAE1 protein may be retained in endoplasmic reticulum (ER), Golgi apparatus, or mis-targeted to the apical membrane, failing to display its function at the baso-lateral membrane. The ER-retained mutant kAE1 interacts with calnexin chaperone protein; disruption of this interaction permits the mutant kAE1 to reach the cell surface and display anion exchange activity...
June 23, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28645789/disruption-of-gaba-a-mediated-intracortical-inhibition-in-patients-with-chorea-acanthocytosis
#18
Raffaele Dubbioso, Marcello Esposito, Silvio Peluso, Rosa Iodice, Giuseppe De Michele, Lucio Santoro, Fiore Manganelli
Chorea-acanthocytosis (Ch-Ac) is an autosomal recessive neurodegenerative disorder characterized by adult-onset chorea, acanthocytes in the peripheral blood, and Huntington's disease-like neuropsychiatric symptoms. Animal studies have shown mutation-related dysregulated cortical gamma-Aminobutyric acid (GABA)ergic inhibitory networks in its pathophysiology. Herein we found that in patients with Ch-Ac there is a striking alteration of intracortical inhibitory circuits detected by using paired pulse transcranial magnetic stimulation protocols...
June 20, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28645711/proteome-dynamics-during-post-desiccation-recovery-reveal-convergence-of-desiccation-and-gamma-radiation-stress-response-pathways-in-deinococcus-radiodurans
#19
Aman Kumar Ujaoney, Mahesh Kumar Padwal, Bhakti Basu
Deinococcus radiodurans is inherently resistant to both ionizing radiation and desiccation. Fifteen months of desiccation was found to be the LD50 dose for D. radiodurans. Desiccated cells of D. radiodurans entered 6h of growth arrest during post-desiccation recovery (PDR). Proteome dynamics during PDR were mapped by resolving cellular proteins by 2-dimensional gel electrophoresis coupled with mass spectrometry. At least 41 proteins, represented by 51 spots on proteome profiles, were differentially expressed throughout PDR...
June 20, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28645684/detection-and-quantification-of-223-ra-uptake-in-bone-metastases-of-patients-with-castration-resistant-prostate-carcinoma-with-the-aim-of-determining-the-absorbed-dose-in-the-metastases
#20
P Mínguez, A Gómez de Iturriaga, I L Fernández, E Rodeño
PURPOSES: To obtain the necessary acquisition and calibration parameters in order to evaluate the possibility of detecting and quantifying (223)Ra uptake in bone metastases of patients treated for castration resistant prostate carcinoma. Furthermore, in the cases in which the activity can be quantified, to determine the absorbed dose. MATERIAL AND METHODS: Acquisitions from a Petri dish filled with (223)Ra were performed in the gamma camera. Monte Carlo simulations were also performed to study the partial volume effect...
June 20, 2017: Revista Española de Medicina Nuclear e Imagen Molecular
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