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https://www.readbyqxmd.com/read/28540928/anxiety-associated-increased-cpg-methylation-in-the-promoter-of-asb1-a-translational-approach-evidenced-by-epidemiological-and-clinical-studies-and-a-murine-model
#1
Rebecca T Emeny, Jens Baumert, Anthony S Zannas, Sonja Kunze, Simone Wahl, Stella Iurato, Janine Arloth, Angelika Erhardt, Georgia Balsevich, Mathias V Schmidt, Peter Weber, Anja Kretschmer, Liliane Pfeiffer, Johannes Kruse, Konstantin Strauch, Michael Roden, Christian Herder, Wolfgang Koenig, Christian Gieger, Melanie Waldenberger, Annette Peters, Elisabeth B Binder, Karl-Heinz Ladwig
Epigenetic regulation in anxiety is suggested, but evidence from large studies is needed. We conducted an epigenome-wide association study (EWAS) on anxiety in a population-based cohort and validated our finding in a clinical cohort as well as a murine model. In the KORA cohort, participants (n=1522, age 32-72 years) were administered the Generalized Anxiety Disorder (GAD-7) instrument, whole blood DNA methylation was measured (Illumina 450 K BeadChip) and circulating levels of hs-CRP and IL-18 were assessed in the association between anxiety and methylation...
May 25, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28540927/regional-differences-in-striatal-neuronal-ensemble-excitability-following-cocaine-and-extinction-memory-retrieval-in-fos-gfp-mice
#2
Joseph Ziminski, Meike C Sieburg, Gabriella Margetts-Smith, Hans S Crombag, Eisuke Koya
Learned associations between drugs of abuse and the drug administration environment play an important role in addiction. In rodents, exposure to a drug-associated environment elicits conditioned psychomotor activation, which may be weakened following extinction learning. While widespread drug-induced changes in neuronal excitability have been observed, little is known about specific changes within neuronal ensembles activated during the recall of drug-environment associations. Using a cocaine conditioned locomotion procedure, the present study assessed the excitability of neuronal ensembles in the nucleus accumbens core and shell (NAc(core) and NAc(shell)), and dorsal striatum (DS) following cocaine conditioning and extinction in Fos-GFP mice that express green fluorescent protein (GFP) in activated neurons (GFP+)...
May 25, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28540926/entorhinal-cortical-deep-brain-stimulation-rescues-memory-deficits-in-both-young-and-old-mice-genetically-engineered-to-model-alzheimer-s-disease
#3
Frances Xia, Adelaide Yiu, Scellig Sd Stone, Soojin Oh, Andres M Lozano, Sheena A Josselyn, Paul W Frankland
Alzheimer's disease (AD) is a neurodegenerative disorder characterized by progressive cognitive decline. Deep brain stimulation (DBS) has been used to treat a variety of brain disorders and shows promise in alleviating cognitive symptoms in some AD patients (Laxton et al., 2010). We previously showed that DBS of the entorhinal cortex (EC) enhances spatial memory formation in normal (wild-type) mice (Stone et al., 2011). Here we tested the effects of EC-DBS on the progressive cognitive deficits in a genetically-based mouse model of AD...
May 25, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28539671/age-related-clinical-and-biological-features-of-pten-abnormalities-in-t-cell-acute-lymphoblastic-leukaemia
#4
M Tesio, A Trinquand, P Ballerini, G Hypolite, L Lhermitte, A Petit, N Ifrah, A Baruchel, H Dombret, E Macintyre, V Asnafi
The tumour suppressor gene PTEN is commonly altered in T-cell acute lymphoblastic leukaemia but its prognostic impact is still debated. We screened a cohort of 573 fully characterized adult and paediatric T-ALL patients for genomic PTEN abnormalities. PTEN inactivating mutations and/or deletions were identified in 91 cases (16%), including 18% of paediatric (49/277) and 14% of adult cases (42/296). Thirty-four patients harboured only mutations, 12 cases demonstrated only large deletions and 9 only micro-deletions...
May 25, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28537006/feature-binding-in-visual-short-term-memory-a-general-recognition-theory-analysis
#5
Daniel Fitousi
Creating and maintaining accurate bindings of elementary features (e.g., color and shape) in visual short-term memory (VSTM) is fundamental for veridical perception. How are low-level features bound in memory? The present work harnessed a multivariate model of perception - the General Recognition Theory (GRT) - to unravel the internal representations underlying feature binding in VSTM. On each trial, preview and target colored shapes were presented in succession, appearing in either repeated or altered spatial locations...
May 23, 2017: Psychonomic Bulletin & Review
https://www.readbyqxmd.com/read/28533538/proteomic-analysis-of-jak2v617f-induced-changes-identifies-potential-new-combinatorial-therapeutic-approaches
#6
S Pearson, A J K Williamson, R Blance, T C P Somervaille, S Taylor, N Azadbakht, A D Whetton, A Pierce
In excess of 90% of patients with polycythemia vera express a mutated form of JAK2, JAK2V617F. Such aberrant proteins offer great potential for the treatment of these diseases however inhibitors to JAK2 have had limited success in the clinic in terms of curing the disease. To understand the effects of this oncogene in hematopoietic cells with the aim of improving treatment strategies we undertook a systematic evaluation of the effects of JAK2V617F expression using proteomics. The effects of JAK2V617F on over 5000 proteins and 2000 nuclear phosphopeptides sites were relatively quantified using either SILAC or eight channel iTRAQ mass spectrometry...
May 23, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28533013/errors-associated-with-digital-preview-of-computer-engineered-complete-dentures-and-guidelines-for-reducing-them-a-technique-article
#7
Abdulaziz AlHelal, Brian J Goodacre, Mathew T Kattadiyil, Rajesh Swamidass
Patient reports, clinical studies, and systematic reviews reveal a rapid increase in interest in computer-engineered complete dentures (CECDs). The advantages of CECDs include a reduced number of visits, improved fit and retention, and electronic archiving. However, patient dissatisfaction has been reported with CECDs, which may be due to the lack of a trial placement appointment. This technique article identifies errors that occur when CECDs are previewed digitally and proposes guidelines and a checklist to reduce complications such as inadequate esthetics, poor tooth arrangement, misaligned occlusal plane, and inappropriate denture base characteristics...
May 20, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28530652/cd34-cells-from-dental-pulp-stem-cells-with-a-zfn-mediated-and-homology-driven-repair-mediated-locus-specific-knock-in-of-an-artificial-%C3%AE-globin-gene
#8
S Chattong, O Ruangwattanasuk, W Yindeedej, A Setpakdee, K Manotham
In humans, mutations in the β-globin gene (HBB) have two important clinical manifestations: β-thalassemia and sickle cell disease. The progress in genome editing and stem cell research may be relevant to the treatment of β-globin-related diseases. In this work, we employed zinc finger nuclease (ZFN)-mediated gene integration of synthetic β-globin cDNA into HBB loci, thus correcting almost all β-globin mutations. The integration was achieved in both HEK 293 cells and isolated dental pulp stem cell (DPSCs)...
May 22, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28530234/n-alkylated-analogs-of-4-methylamphetamine-4-ma-differentially-affect-monoamine-transporters-and-abuse-liability
#9
Ernesto Solis, John S Partilla, Farhana Sakloth, Iwona Ruchala, Kathryn L Schwienteck, Louis J De Felice, Jose M Eltit, Richard A Glennon, S Stevens Negus, Michael H Baumann
Clandestine chemists synthesize novel stimulant drugs by exploiting structural templates known to target monoamine transporters for dopamine, norepinephrine and serotonin (DAT, NET, and SERT, respectively). 4-Methylamphetamine (4-MA) is an emerging drug of abuse that interacts with transporters, but limited structure-activity data are available for its analogs. Here we employed uptake and release assays in rat brain synaptosomes, voltage-clamp current measurements in cells expressing transporters, and calcium flux assays in cells co-expressing transporters and calcium channels to study the effects of increasing N-alkyl chain length of 4-MA on interactions at DAT, NET and SERT...
May 22, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28529332/adiposity-and-grip-strength-as-long-term-predictors-of-objectively-measured-physical-activity-in-93-015-adults-the-uk-biobank-study
#10
Y Kim, T White, K Wijndaele, S J Sharp, N J Wareham, S Brage
BACKGROUND/OBJECTIVES: Fatness and fitness are associated with physical activity (PA) but less is known about the prospective associations of adiposity and muscle strength with PA. This study aimed to determine longitudinal associations of body mass index (BMI), waist circumference (WC) and grip strength (GS) with objectively measured PA. SUBJECTS/METHODS: Data are from the UK Biobank study. At baseline (2006-2010), BMI, WC and GS were objectively measured. At follow-up (2013-2015), a sub-sample of 93 015 participants (52 161 women) wore a tri-axial accelerometer on the dominant wrist for 7 days...
May 22, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28529331/butyrylcholinesterase-regulates-central-ghrelin-signaling-and-impacts-food-intake-and-glucose-homeostasis
#11
V P Chen, Y Gao, L Geng, S Brimijoin
BACKGROUND: Ghrelin is the only orexigenic hormone known to stimulate food intake and promote obesity and insulin resistance. We recently showed that plasma ghrelin is controlled by butyrylcholinesterase (BChE), which has a strong impact on feeding and weight gain. BChE knockout (KO) mice are prone to obesity on high-fat diet but hepatic BChE gene transfer rescues normal food intake and obesity resistance. However, these mice lack brain BChE and still develop hyperinsulinemia and insulin resistance, suggesting essential interactions between BChE and ghrelin within the brain...
May 22, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28529330/dietary-medium-chain-saturated-fatty-acids-induce-gene-expression-of-energy-metabolism-related-pathways-in-adipose-tissue-of-abdominally-obese-subjects
#12
J C Matualatupauw, M Bohl, S Gregersen, K Hermansen, L A Afman
BACKGROUND: Dietary medium-chain saturated fatty acids (MC-SFAs) have been shown to reduce total body fat. Previously, we showed that MC-SFAs prevent body fat accumulation, despite weight gain. Here, we aim to explore potential molecular mechanisms underlying the protective effect of MC-SFAs on body fat gain. METHODS: The DairyHealth study examined the long-term effects of milk protein and milk fat with a low or high content of MC-SFA. In this 12 week, randomized, double-blind, diet intervention study, participants consumed 60 g milk protein (whey or casein) and 63 g milk fat (high MC-SFA or low MC-SFA) daily in a 2 by 2 factorial design...
May 22, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28529329/body-mass-index-growth-trajectories-associated-with-the-different-parameters-of-the-metabolic-syndrome-at-adulthood
#13
K V Giudici, M-F Rolland-Cachera, G Gusto, D Goxe, O Lantieri, S Hercberg, S Péneau
BACKGROUND: Growth trajectories have shown to be related to obesity and metabolic risks in later life, however body mass index (BMI) trajectories according to the presence or absence of metabolic syndrome (MS) and its parameters in adulthood are scarce in literature. OBJECTIVES: To investigate BMI trajectories during childhood in relation to MS and its parameters in adult age. METHODS: A total of 1919 subjects (43.4% male, 20-60y) participated in this retrospective cohort study...
May 22, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28529328/perivascular-adipose-tissue-epiphenomenon-or-local-risk-factor
#14
REVIEW
K Schäfer, I Drosos, S Konstantinides
Obesity is associated with an increased cardiovascular risk, but the mechanisms underlying the link between increased body weight and vascular disease are incompletely understood. Over the past 15 years, perivascular adipose tissue has emerged as active component of the vessel wall involved in vascular homeostasis. However, perivascular adipose tissue can adopt detrimental properties under the influence of obesity and other factors and contribute actively to the pathophysiology of cardiovascular disease. Conversely, changes of the vessel wall may negatively affect perivascular adipose tissue qualities...
May 22, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28529327/metabolite-profiling-of-obese-individuals-before-and-after-a-one-year-weight-loss-program
#15
N Geidenstam, M Al-Majdoub, M Ekman, P Spégel, M Ridderstråle
OBJECTIVE: We and others have previously characterized changes in circulating metabolite levels following diet-induced weight loss. Our aim was to investigate if baseline metabolite levels and weight loss-induced changes in these are predictive of or associated with changes in body mass index (BMI) and metabolic risk traits. METHODS: Serum metabolites were analyzed with gas and liquid chromatography/mass spectrometry in 91 obese individuals at baseline and after participating in a one year non-surgical weight loss program...
May 22, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28529324/a-novel-combination-strategy-for-effectively-targeting-cancer-stem-like-cells
#16
Paul A Beavis, Emma V Petley, Phillip K Darcy
Immunology and Cell Biology accepted article preview online, 22 May 2017. doi:10.1038/icb.2017.39.
May 22, 2017: Immunology and Cell Biology
https://www.readbyqxmd.com/read/28529323/an-immunogenic-phenotype-in-paternal-antigen-specific-cd8-t-cells-at-embryo-implantation-elicits-later-fetal-loss-in-mice
#17
Lachlan M Moldenhauer, Kerrilyn R Diener, John D Hayball, Sarah A Robertson
Central to pregnancy success is a state of T cell tolerance to paternal antigens, which is initiated at conception. The role and regulation of specific phenotypes of CD8(+) T cells in mediating pregnancy tolerance is not clear. This study aimed to investigate the impact on pregnancy outcome of altering the cytokine environment during maternal CD8(+) T cell priming in early pregnancy. Transgenic Act-mOVA male mice were mated to C57BL/6 (B6) females to generate fetuses expressing ovalbumin (OVA) as a model paternal antigen...
May 22, 2017: Immunology and Cell Biology
https://www.readbyqxmd.com/read/28529314/a-critical-role-of-periostin-in-b-cell-acute-lymphoblastic-leukemia
#18
Z Ma, X Zhao, J Huang, X Jia, M Deng, D Cui, Z Du, G Fu, G Ouyang, C Xiao
Leukemia accepted article preview online, 22 May 2017. doi:10.1038/leu.2017.149.
May 22, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28529313/impact-of-killer-immunoglobulin-like-receptor-and-human-leukocyte-antigen-genotypes-on-the-efficacy-of-immunotherapy-in-acute-myeloid-leukemia
#19
E Bernson, A Hallner, F E Sander, O Wilsson, O Werlenius, A Rydström, R Kiffin, M Brune, R Foà, J Aurelius, A Martner, K Hellstrand, F B Thorén
Interactions between killer-immunoglobulin-like receptors (KIRs) and their HLA class I ligands are instrumental in natural killer (NK) cell regulation and protect normal tissue from NK cell attack. Human KIR haplotypes comprise genes encoding mainly inhibitory receptors (KIR A) or activating and inhibitory receptors (KIR B). A substantial fraction of humans lack ligands for inhibitory KIRs (iKIRs), i.e. a 'missing ligand' genotype. KIR B/x and missing ligand genotypes may thus give rise to potentially autoreactive, unlicensed NK cells...
May 22, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28529312/prognostic-impact-of-ikzf1-deletions-in-association-with-vincristine-dexamethasone-pulses-during-maintenance-treatment-of-childhood-acute-lymphoblastic-leukemia-on-trial-all-bfm-95
#20
L Hinze, A Möricke, M Zimmermann, S Junk, G Cario, E Dagdan, C P Kratz, V Conter, M Schrappe, M Stanulla
Leukemia accepted article preview online, 22 May 2017. doi:10.1038/leu.2017.154.
May 22, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
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