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https://www.readbyqxmd.com/read/27930920/indoleamine-2-3-dioxygenase-regulates-t-cell-activity-through-vav1-rac-pathway
#1
Runmei Li, Hui Li, Qian Sun, Liang Liu, Chen Zhang, Xiubao Ren
The immunoregulatory enzyme indoleamine 2,3-dioxygenase (IDO) suppresses T-cell responses and promotes immune tolerance in tumor resistance. A previous study determined that IDO inhibits Vav1 mRNA expression and the activation of Vav1 and its downstream targets in T cells in the guanine exchange factor (GEF)-independent pathway. The current study aims to determine whether IDO induces T-cell immunosuppression through Vav1/Rac signaling pathway, which is a GEF-dependent pathway. The correlation between Vav1 mRNA expressions in T cells of tumor infiltrating lymphocytes and the levels of IDO expression in lung cancer tissues from lung cancer patients was detected...
December 5, 2016: Molecular Immunology
https://www.readbyqxmd.com/read/27930898/changed-crossmodal-functional-connectivity-in-older-adults-with-hearing-loss
#2
Sebastian Puschmann, Christiane M Thiel
Previous work compellingly demonstrates a crossmodal plastic reorganization of auditory cortex in deaf individuals, leading to increased neural responses to non-auditory sensory input. Recent data indicate that crossmodal adaptive plasticity is not restricted to severe hearing impairments, but may also occur as a result of high-frequency hearing loss in older adults and affect audiovisual processing in these subjects. We here used functional magnetic resonance imaging (fMRI) to study the effect of hearing loss in older adults on auditory cortex response patterns as well as on functional connectivity between auditory and visual cortex during audiovisual processing...
October 31, 2016: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/27929107/single-molecular-demonstration-of-modulating-charge-inversion-of-dna
#3
Yanwei Wang, Ruxia Wang, Bozhi Cao, Zilong Guo, Guangcan Yang
Charge inversion of DNA is a counterintuitive phenomenon in which the effective charge of DNA switches its sign from negative to positive in the presence of multivalent counterions. The underlying microscopic mechanism is still controversial whether it is driven by a specific chemical affinity or electrostatic ion correlation. It is well known that DNA shows no charge inversion in normal aqueous solution of trivalent counterions though they can induce the conformational compaction of DNA. However, in the same trivalent counterion condition, we demonstrate for the first time the occurrence of DNA charge inversion by decreasing the dielectric constant of solution to make the electrophoretic mobility of DNA increase from a negative value to a positive value...
December 8, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27927924/inadequate-differentiation-of-theileria-orientalis-genotypes-buffeli-and-ikeda-in-an-mt-pcr-assay-using-the-p23-gene-as-a-marker
#4
Hagos Gebrekidan, Robin B Gasser, Abdul Jabbar
Oriental theileriosis is a tick-borne disease of bovids, caused by haemoprotozoan parasites within the Theileria orientalis complex.….
December 7, 2016: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/27927574/untreated-thoracic-curve-in-adult-idiopathic-scoliosis-what-are-patients-concerns
#5
Javier Pizones, Mar Pérez Martin-Buitrago, Francisco Javier Sánchez Perez-Grueso, Ferran Pellisé, Ahmet Alanay, Ibrahim Obeid, Frank Kleinstück, Emre R Acaroglu
STUDY DESIGN: Retrospective two-cohort comparative analysis of data collected prospectively. OBJECTIVES: To analyze a cohort of patients with untreated thoracic curves of an adult multicenter deformity database [European spine study group (ESSG)], describe patient characteristics and concerns, and establish the rate and motivations for surgical intervention. SUMMARY OF BACKGROUND DATA: Idiopathic thoracic curves have a significant clinical and socioeconomic impact during adolescence...
November 2016: Spine Deformity
https://www.readbyqxmd.com/read/27926991/human-mitochondrial-nucleases
#6
REVIEW
Francesco Bruni, Robert N Lightowlers, Zofia M Chrzanowska-Lightowlers
Mitochondria are cytosolic organelles that have many essential roles including ATP production via oxidative phosphorylation, apoptosis, iron-sulphur cluster biogenesis, heme and steroid synthesis, calcium homeostasis and regulation of cellular redox state. One of the unique features of these organelles is the presence of an extra-chromosomal mitochondrial genome (mtDNA), together with all the machinery required to replicate and transcribe mtDNA. The accurate maintenance of mitochondrial gene expression is essential for correct organellar metabolism, and is in part dependent on the levels of mtDNA and mt-RNA, which are regulated by balancing synthesis against degradation...
December 7, 2016: FEBS Journal
https://www.readbyqxmd.com/read/27925608/active-music-therapy-and-physical-improvements-from-rehabilitation-for-neurological-conditions
#7
Demian Leandro Kogutek, Jeffrey David Holmes, Jessica Adrienne Grahn, Sara G Lutz, Emily Ready
Context • A variety of rehabilitation-based interventions are currently available for individuals with physical impairments resulting from neurological conditions, including physiotherapy, occupational therapy, and speech language pathology. Many individuals find participation in those therapies to be challenging. Alternative therapies have emerged as beneficial adjunctive treatments for individuals undergoing neurological rehabilitation, including music therapy (MT). Objective • The study intended to identify and collate systematically the evidence on MT interventions that address physical improvements in a rehabilitative setting...
October 2016: Advances in Mind-body Medicine
https://www.readbyqxmd.com/read/27924669/effects-of-15%C3%A2-hz-square-wave-magnetic-fields-on-the-voltage-gated-sodium-and-potassium-channels-in-prefrontal-cortex-pyramidal-neurons
#8
Yu Zheng, Jun-Rong Dou, Yang Gao, Lei Dong, Gang Li
PURPOSE: Although magnetic fields have significant effects on neurons, little is known about the mechanisms behind their effects. The present study aimed to measure the effects of magnetic fields on ion channels in cortical pyramidal neurons. MATERIALS AND METHODS: Cortical pyramidal neurons of Kunming mice were isolated and then subjected to 15 Hz, 1 mT square wave (duty ratio 50%) magnetic fields stimulation. Sodium currents (INa), transient potassium currents (IA) and delayed rectifier potassium currents (IK) were recorded by whole-cell patch clamp method...
December 7, 2016: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/27923980/humanin-skeletal-muscle-protein-levels-increase-after-resistance-training-in-men-with-impaired-glucose-metabolism
#9
Eva-Karin Gidlund, Ferdinand von Walden, Mika Venojärvi, Ulf Risérus, Olli J Heinonen, Jessica Norrbom, Carl Johan Sundberg
Humanin (HN) is a mitochondrially encoded and secreted peptide linked to glucose metabolism and tissue protecting mechanisms. Whether skeletal muscle HN gene or protein expression is influenced by exercise remains unknown. In this intervention study we show, for the first time, that HN protein levels increase in human skeletal muscle following 12 weeks of resistance training in persons with prediabetes. Male subjects (n = 55) with impaired glucose regulation (IGR) were recruited and randomly assigned to resistance training, Nordic walking or a control group...
December 2016: Physiological Reports
https://www.readbyqxmd.com/read/27923556/moniezia-benedeni-and-moniezia-expansa-are-distinct-cestode-species-based-on-complete-mitochondrial-genomes
#10
Aijiang Guo
Moniezia spp. parasitize the intestines of ruminants, causing monieziasis. In this study, the complete mitochondrial (mt) genomes of M. benedeni and M. expansa have been determined, characterized and employed to test the hypothesis that M. benedeni and M. expansa are distinct species by phylogenetic analysis based on the concatenated amino acid sequences derived from 12 protein-coding genes, inferred with Bayesian and Maximum-likelihood methods. The complete mt genomes of M. benedeni and M. expansa were 13,958bp and 13,934bp in size, respectively...
December 3, 2016: Acta Tropica
https://www.readbyqxmd.com/read/27923318/herbal-medicines-challenges-in-the-modern-world-part-5-status-and-current-directions-of-complementary-and-alternative-herbal-medicine-worldwide
#11
Elena Yu Enioutina, Emma R Salis, Kathleen M Job, Michael I Gubarev, Lubov V Krepkova, Catherine Mt Sherwin
Herbal medicine (HM) use is growing worldwide. Single herb preparations, ethnic and modern HM formulations are widely used as adjunct therapies or to improve consumer wellbeing. Areas covered: This final part in the publication series summarizes common tendencies in HM use as adjunct or alternative medicine, education of healthcare professionals and consumers, current and proposed guidelines regulating of production. We discuss potential HM-HM and HM-drug interactions that could lead to severe adverse events in situations where HMs are taken without proper medical professional oversight...
December 7, 2016: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/27921519/different-responses-of-drosophila-subobscura-isofemale-lines-to-extremely-low-frequency-magnetic-field-50%C3%A2-hz-0-5%C3%A2-mt-fitness-components-and-locomotor-activity
#12
Danica Zmejkoski, Branka Petković, Sofija Pavković-Lučić, Zlatko Prolić, Marko Anđelković, Tatjana Savić
PURPOSE: Extremely low frequency (ELF) magnetic fields as essential ecological factor may induce specific responses in genetically different lines. The subject of this study was to investigate the impact of ELF magnetic field on fitness components and locomotor activity of five Drosophila subobscura isofemale (IF) lines. MATERIALS AND METHODS: Each D. subobscura IF line, arbitrarily named: B16/1, B24/4, B39/1, B57/2 and B69/5, was maintained in five full-sib inbreeding generations...
December 6, 2016: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/27921320/cardiac-effects-of-amiselimod-compared-with-fingolimod-and-placebo-results-of-a-randomised-parallel-group-phase-i-study-in-healthy-subjects
#13
Tomohiko Harada, Darren Wilbraham, Guillemette de La Borderie, Shinsuke Inoue, Jim Bush, A John Camm
AIM: Amiselimod (MT-1303) is a selective sphingosine 1-phosphate 1 (S1P1 ) receptor modulator which is currently being developed for the treatment of various autoimmune diseases. Unlike some other S1P receptor modulators, amiselimod seemed to show a favourable cardiac safety profile in pre-clinical, phase I and II studies. The aim of this study was to characterise the cardiac effects of amiselimod by directly comparing it with fingolimod and placebo. METHODS: Eighty-one (81) healthy subjects aged 18-55 years were equally randomised to receive amiselimod 0...
December 6, 2016: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/27921131/multi-biomarker-responses-after-exposure-to-pollution-in-the-mediterranean-mussels-mytilus-galloprovincialis-l-in-the-aegean-coast-of-turkey
#14
Dilara Ozkan, Melih Dagdeviren, Selma Katalay, Adem Guner, N Ülkü Karabay Yavaşoğlu
In this study, sublethal effects on the Mediterranean mussels (Mytilus galloprovincialis L.) collected from the Aegean coast of Turkey were determined. Enzymes such as glutathione-S-transferase (GST), superoxide dismutase (SOD), catalase (CAT), and acetylcholinesterase (AChE), metallothionein (MT) mRNA expressions, thiobarbituric acid reactive substances (TBARS) contents, determination of 14 heavy metals and micronucleus frequency were selected as multibiomarkers. Results show that heavy metals and an increase in the level of MT gene expression have been determined in tissues of mussels collected from all stations...
December 5, 2016: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/27920216/mozart1-and-%C3%AE-tubulin-complex-receptors-are-both-required-to-turn-%C3%AE-tusc-into-an-active-microtubule-nucleation-template
#15
Tien-Chen Lin, Annett Neuner, Dirk Flemming, Peng Liu, Takumi Chinen, Ursula Jäkle, Robert Arkowitz, Elmar Schiebel
MOZART1/Mzt1 is required for the localization of γ-tubulin complexes to microtubule (MT)-organizing centers from yeast to human cells. Nevertheless, the molecular function of MOZART1/Mzt1 is largely unknown. Taking advantage of the minimal MT nucleation system of Candida albicans, we reconstituted the interactions of Mzt1, γ-tubulin small complex (γ-TuSC), and γ-tubulin complex receptors (γ-TuCRs) Spc72 and Spc110 in vitro. With affinity measurements, domain deletion, and swapping, we show that Spc110 and Mzt1 bind to distinct regions of the γ-TuSC...
December 5, 2016: Journal of Cell Biology
https://www.readbyqxmd.com/read/27920044/a-four-vessel-umbilical-cord
#16
Marjolijn Sw Quaak, Jos Mt Draaisma
No abstract text is available yet for this article.
December 5, 2016: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/27919931/low-mt-co1-in-monocytes-and-microvesicles-is-associated-with-outcome-in-patients-with-coronary-artery-disease
#17
Paul Holvoet, Maarten Vanhaverbeke, Katarzyna Bloch, Pieter Baatsen, Peter Sinnaeve, Stefan Janssens
BACKGROUND: Cytochrome oxidase (COX) IV complex regulates energy production in mitochondria. Impaired COX gene expression is related to obesity and type 2 diabetes mellitus, but whether it is directly related to the incidence of cardiovascular events is unknown. We investigated whether COX gene expression in monocytes is predictive for cardiovascular events in coronary artery disease patients. To avoid monocyte isolation from fresh blood, we then aimed to validate our findings in monocyte-derived microvesicles isolated from plasma...
December 5, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27919651/computer-assisted-skip-pedicle-screw-fixation-for-adolescent-idiopathic-scoliosis
#18
Masashi Uehara, Jun Takahashi, Shugo Kuraishi, Masayuki Shimizu, Shota Ikegami, Toshimasa Futatsugi, Hiroki Oba, Hiroyuki Kato
STUDY DESIGN: A retrospective single-center and single-surgeon study. OBJECTIVES: This study investigated the clinical and radiological results of skip pedicle screw fixation for adolescent idiopathic scoliosis (AIS). SUMMARY OF BACKGROUND DATA: At present, the generally used technique for pedicle screw fixation for the surgical correction of AIS entails inserting a pedicle screw into every segment on the corrective side and into every or every other segment on the supportive side...
December 2, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27919073/mitochondrial-replacement-in-human-oocytes-carrying-pathogenic-mitochondrial-dna-mutations
#19
Eunju Kang, Jun Wu, Nuria Marti Gutierrez, Amy Koski, Rebecca Tippner-Hedges, Karen Agaronyan, Aida Platero-Luengo, Paloma Martinez-Redondo, Hong Ma, Yeonmi Lee, Tomonari Hayama, Crystal Van Dyken, Xinjian Wang, Shiyu Luo, Riffat Ahmed, Ying Li, Dongmei Ji, Refik Kayali, Cengiz Cinnioglu, Susan Olson, Jeffrey Jensen, David Battaglia, David Lee, Diana Wu, Taosheng Huang, Don P Wolf, Dmitry Temiakov, Juan Carlos Izpisua Belmonte, Paula Amato, Shoukhrat Mitalipov
Maternally inherited mitochondrial (mt)DNA mutations can cause fatal or severely debilitating syndromes in children, with disease severity dependent on the specific gene mutation and the ratio of mutant to wild-type mtDNA (heteroplasmy) in each cell and tissue. Pathogenic mtDNA mutations are relatively common, with an estimated 778 affected children born each year in the United States. Mitochondrial replacement therapies or techniques (MRT) circumventing mother-to-child mtDNA disease transmission involve replacement of oocyte maternal mtDNA...
December 8, 2016: Nature
https://www.readbyqxmd.com/read/27918943/expression-of-metallothionein-in-the-liver-and-kidneys-of-the-red-deer-cervus-elaphus-l-from-an-industrial-metal-smelting-area-of-poland
#20
Maciej Durkalec, Rafał Kolenda, Tomasz Owczarek, Józef Szkoda, Agnieszka Nawrocka, Jędrzej Grzegrzółka, Piotr Dzięgiel, Piotr Socha, Roman Kołacz, Peter Schierack, Jan Żmudzki, Andrzej Posyniak
The metallothionein 1 (MT1) coding sequence of red deer was identified and compared to orthologous sequences from other mammals. Over 90% identity was observed between red deer MT1 amino acid sequence and MT1 sequences of other ruminants. Liver and kidney samples of red deer were collected from the industrial zinc smelting site of Miasteczko Slaskie and from the Masuria Lake District serving as a pollution-free control site. The concentrations of cadmium (Cd), lead (Pb), copper (Cu) and zinc (Zn) were analyzed by the atomic absorption spectrometry technique (AAS)...
December 2, 2016: Ecotoxicology and Environmental Safety
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