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https://www.readbyqxmd.com/read/28219768/copper-therapy-reduces-intravascular-hemolysis-and-derepresses-ferroportin-in-mice-with-mosaic-mutation-atp7a-mo-ms-an-implication-for-copper-mediated-regulation-of-the-slc40a1-gene-expression
#1
Małgorzata Lenartowicz, Rafał R Starzyński, Aneta Jończy, Robert Staroń, Justyna Antoniuk, Wojciech Krzeptowski, Paweł Grzmil, Aleksandra Bednarz, Olga Pierzchała, Mateusz Ogórek, Zenon Rajfur, Zbigniew Baster, Paweł Lipiński
Mosaic mutant mice displaying functional dysfunction of Atp7a copper transporter (the Menkes ATPase) are an established animal model of Menkes disease and constitute a convenient tool for investigating connections between copper and iron metabolisms. This model allows to explore changes in iron metabolism in suckling mutant mice suffering from systemic copper deficiency as well as in young and adult ones undergone copper therapy, which reduces lethal effect of the Atp7a gene mutation. Our recent study demonstrated that 14-day-old mosaic mutant males display blood cell abnormalities associated with intravascular hemolysis, and show disturbances in the functioning of the hepcidin-ferroportin regulatory axis, which controls systemic iron homeostasis...
February 17, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28219492/microstructural-white-matter-alterations-in-the-corpus-callosum-of-girls-with-conduct-disorder
#2
Willeke Martine Menks, Reto Furger, Claudia Lenz, Lynn Valérie Fehlbaum, Christina Stadler, Nora Maria Raschle
OBJECTIVE: Diffusion tensor imaging (DTI) studies in adolescent conduct disorder (CD) have demonstrated white matter alterations of tracts connecting functionally distinct fronto-limbic regions, but only in boys or mixed-gender samples. So far, no study has investigated white matter integrity in girls with CD on a whole-brain level. Therefore, our aim was to investigate white matter alterations in adolescent girls with CD. METHOD: We collected high-resolution DTI data from 24 girls with CD and 20 typically developing control girls using a 3T magnetic resonance imaging system...
March 2017: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28207729/proposed-new-industry-code-on-unhealthy-food-marketing-to-children-and-young-people-will-it-make-a-difference
#3
Boyd Swinburn, Stefanie Vandevijvere, Alistair Woodward, Andrew Hornblow, Ann Richardson, Barbara Burlingame, Barry Borman, Barry Taylor, Bernhard Breier, Bruce Arroll, Bernadette Drummond, Cameron Grant, Chris Bullen, Clare Wall, Cliona Ni Mhurchu, David Cameron-Smith, David Menkes, David Murdoch, Dee Mangin, Diana Lennon, Diana Sarfati, Doug Sellman, Elaine Rush, Faafetai Sopoaga, George Thomson, Gerry Devlin, Gillian Abel, Harvey White, Jane Coad, Janet Hoek, Jennie Connor, Jeremy Krebs, Jeroen Douwes, Jim Mann, John McCall, John Broughton, John D Potter, Les Toop, Lesley McCowan, Louise Signal, Lutz Beckert, Mark Elwood, Marlena Kruger, Mauro Farella, Michael Baker, Michael Keall, Murray Skeaff, Murray Thomson, Nick Wilson, Nicholas Chandler, Papaarangi Reid, Patricia Priest, Paul Brunton, Peter Crampton, Peter Davis, Philip Gendall, Philippa Howden-Chapman, Rachael Taylor, Richard Edwards, Robert Beaglehole, Robert Doughty, Robert Scragg, Robin Gauld, Robert McGee, Rod Jackson, Roger Hughes, Roger Mulder, Ruth Bonita, Rozanne Kruger, Sally Casswell, Sarah Derrett, Shanthi Ameratunga, Simon Denny, Simon Hales, Sue Pullon, Susan Wells, Tim Cundy, Tony Blakely
Reducing the exposure of children and young people to the marketing of unhealthy foods is a core strategy for reducing the high overweight and obesity prevalence in this population. The Advertising Standards Authority (ASA) has recently reviewed its self-regulatory codes and proposed a revised single code on advertising to children. This article evaluates the proposed code against eight criteria for an effective code, which were included in a submission to the ASA review process from over 70 New Zealand health professors...
February 17, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/28197142/home-made-cost-effective-preservation-buffer-is-a-better-alternative-to-commercial-preservation-methods-for-microbiome-research
#4
Sebastian Menke, Mark A F Gillingham, Kerstin Wilhelm, Simone Sommer
The investigation of wildlife gastrointestinal microbiomes by next-generation sequencing approaches is a growing field in microbial ecology and conservation. Such studies often face difficulties in sample preservation if neither freezing facilities nor liquid nitrogen (LQN) are readily available. Thus, in order to prevent microbial community changes because of bacterial growth after sampling, preservation buffers need to be applied to samples. However, the amount of microbial community variation attributable to the different preservation treatments and potentially affecting biological interpretation is hardly known...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28192172/the-isolated-chicken-eye-test-to-replace-the-draize-test-in-rabbits
#5
Menk K Prinsen, Coenraad F M Hendriksen, Cyrille A M Krul, Ruud A Woutersen
In 1944, Draize et al., published a paper entitled "Methods for the study of irritation and toxicity of substances applied topically to the skin and mucous membranes". The Organization for Economic Co-operation and Development published their first guideline on eye irritation in 1981, using rabbits. In the early eighties the development of alternative non-animal tests to replace the Draize eye test started. The first attempts to validate alternative tests for eye irritation were considered to be relatively simple by comparing in vitro and in vivo irritation index scores...
February 9, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/28182444/a-network-approach-to-modeling-comorbid-internalizing-and-alcohol-use-disorders
#6
Justin J Anker, Miriam K Forbes, Zack W Almquist, Jeremiah S Menk, Paul Thuras, Amanda S Unruh, Matt G Kushner
Internalizing disorders co-occur with alcohol use disorder (AUD) at a rate that exceeds chance and compromise conventional AUD treatment. The "vicious cycle" model of comorbidity specifies drinking to cope (DTC) as a link between these disorders that, when not directly addressed, undermines the effectiveness of conventional treatments. Interventions based on this model have proven successful but there is no direct evidence for how and to what extent DTC contributes to the maintenance of comorbidity. In the present study, we used network analysis to depict associations between syndrome-specific groupings of internalizing symptoms, alcohol craving, and drinking behavior, as well as DTC and other extradiagnostic variables specified in the vicious cycle model (e...
February 9, 2017: Journal of Abnormal Psychology
https://www.readbyqxmd.com/read/28164386/a-class-c-radical-s-adenosylmethionine-methyltransferase-synthesizes-8-methylmenaquinone
#7
Sascha Hein, Oliver Klimmek, Markus Polly, Melanie Kern, Jörg Simon
The membranous quinone/quinol pool is essential to the majority of life forms and has been widely used as an important biomarker in microbial taxonomy. In the anaerobic world, the most important quinones are menaquinone (MK) and a methylated form of MK, designated methylmenaquinone (MMK), which is anticipated to serve specifically in low-potential electron transport chains involved in anaerobic respiration. However, it has remained unclear how MMK is generated. Here we show that a novel enzyme homologous to class C radical SAM methyltransferases (RSMTs) synthesizes MMK using MK as substrate...
February 6, 2017: Molecular Microbiology
https://www.readbyqxmd.com/read/28154194/autophosphorylation-based-calcium-ca2-sensitivity-priming-and-ca2-calmodulin-inhibition-of-arabidopsis-thaliana-ca2-dependent-protein-kinase-28-cpk28
#8
Kyle W Bender, R Kevin Blackburn, Jacqueline Monaghan, Paul Derbyshire, Frank Lh Menke, Cyril Zipfel, Michael B Goshe, Raymond E Zielinski, Steven C Huber
Plant calcium (Ca(2+)) dependent protein kinases (CPKs) represent the primary Ca(2+)- dependent protein kinase activities in plant systems. CPKs are composed of a dual specificity (Ser/Thr and Tyr) kinase domain tethered to a Calmodulin-like domain (CLD) via an autoinhibitory junction (J). While regulation of CPKs by Ca(2+) has been extensively studied, the contribution of autophosphorylation in controlling CPK activity is less well understood. Furthermore, whether Calmodulin (CaM) contributes to CPK regulation, as is the case for Ca(2+)/CaM-dependent protein kinases (CaMKs) outside the plant lineage, remains an open question...
January 30, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28152626/the-k-sf-42
#9
Aurelio José Figueredo, Rafael Antonio Garcia, J Michael Menke, W Jake Jacobs, Paul Robert Gladden, JeanMarie Bianchi, Emily Anne Patch, Connie J A Beck, Phillip S Kavanagh, Marcela Sotomayor-Peterson, Yunfan Jiang, Norman P Li
The purpose of the present article is to propose an alternative short form for the 199-item Arizona Life History Battery (ALHB), which we are calling the K-SF-42, as it contains 42 items as compared with the 20 items of the Mini-K, the short form that has been in greatest use for the past decade. These 42 items were selected from the ALHB, unlike those of the Mini-K, making direct comparisons of the relative psychometric performance of the two alternative short forms a valid and instructive exercise. A series of secondary data analyses were performed upon a recently completed five-nation cross-cultural survey, which was originally designed to assess the role of life history strategy in the etiology of interpersonal aggression...
January 2017: Evolutionary Psychology: An International Journal of Evolutionary Approaches to Psychology and Behavior
https://www.readbyqxmd.com/read/28132860/mantle-cell-lymphoma-with-a-novel-t-11-12-q13-p11-2-a-proposed-alternative-mechanism-of-ccnd1-upregulation
#10
Joshua R Menke, George Vasmatzis, Stephen Murphy, Lin Yang, David M Menke, Han W Tun, Rebecca L King, Stephanie A Smoley, Rhett P Ketterling, William R Sukov
Mantle cell lymphoma (MCL) is typically characterized by t(11;14) which places the IGH@ enhancer elements upstream of CCND1. This fusion results in upregulation of CCND1 and consequently its protein product cyclin D1. Recent studies have shown that in MCL, mutations or translocations occurring within the 3' untranslated region (UTR) of the CCND1 gene can result in a truncated mRNA transcript that is more stable and associated with more aggressive disease. We identified a case of MCL showing cyclin D1 overexpression by immunohistochemistry and a t(11;12)(q13;p11...
January 26, 2017: Human Pathology
https://www.readbyqxmd.com/read/28119449/in-vivo-modelling-of-the-pathogenic-effect-of-copper-transporter-mutations-that-cause-menkes-and-wilson-disease-motor-neuropathy-and-susceptibility-to-alzheimer-s-disease
#11
Stephen W Mercer, Jianbin Wang, Richard Burke
Copper is an essential biometal and several inherited diseases are directly associated with a disruption to normal copper homeostasis. The best characterised are the copper deficiency and toxicity disorders Menkes and Wilson disease, caused by mutations in the p-Type Cu-ATPase genes ATP7A and ATP7B respectively. Missense mutations in the C-terminal portion of ATP7A have also been shown to cause Distal Motor Neuropathy while polymorphisms in ATP7B are associated with increased risk of Alzheimer's disease. We have generated a single, in vivo model for studying multiple pathogenic mutations in ATP7 proteins, using Drosophila melanogaster, which has a single orthologue of ATP7A and ATP7B...
January 24, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28114526/the-history-of-john-hans-menkes-and-kinky-hair-syndrome
#12
Parth Patel, Arpan V Prabhu, Thomas G Benedek
No abstract text is available yet for this article.
January 1, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28099185/ketamine-and-suicidal-ideation-direct-effect-or-epiphenomenon
#13
Paul Glue, David B Menkes
No abstract text is available yet for this article.
January 18, 2017: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28088065/methionine-enkephalin-menk-mounts-antitumor-effect-via-regulating-dendritic-cells-dcs
#14
Yiming Meng, Xinghua Gao, Wenna Chen, Nicolas P Plotnikoff, Noreen Griffin, Guirong Zhang, Fengping Shan
MENK, an endogenous opioid peptide has been reported to have many immunological and antitumor activities. So far the detailed mechanisms of antitumor through regulating DCs by MENK have not been elucidated yet. The aim of this work was to investigate the antitumor mechanisms of MENK via regulating DC. The monitoring methods, such as ELISA, MTS assay, CFSE, Real-time PCR and Western blot were included in our research. We found bone marrow derived dendritic cells (BMDCs) in 36 female C57BL/6 mice treated with MENK enhanced expression of key surface molecules, increased production of critical cytokines reduced endocytosis of FITC-dextran, upregulated TLR4 through MyD88/NF-κB signaling pathway and mounted higher antitumor activity...
January 11, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28087540/international-evidence-based-consensus-diagnostic-criteria-for-hhv-8-negative-idiopathic-multicentric-castleman-disease
#15
David C Fajgenbaum, Thomas S Uldrick, Adam Bagg, Dale Frank, David Wu, Gordan Srkalovic, David Simpson, Amy Y Liu, David Menke, Shanmuganathan Chandrakasan, Mary Jo Lechowicz, Raymond S M Wong, Sheila Pierson, Michele Paessler, Jean-François Rossi, Makoto Ide, Jason Ruth, Michael Croglio, Alexander Suarez, Vera Krymskaya, Amy Chadburn, Gisele Colleoni, Sunita Nasta, Raj Jayanthan, Christopher S Nabel, Corey Casper, Angela Dispenzieri, Alexander Fosså, Dermot Kelleher, Razelle Kurzrock, Peter Voorhees, Ahmet Dogan, Kazuyuki Yoshizaki, Frits van Rhee, Eric Oksenhendler, Elaine S Jaffe, Kojo S J Elenitoba-Johnson, Megan S Lim
Human Herpesvirus-8(HHV-8)-negative, idiopathic multicentric Castleman disease (iMCD) is a rare and life-threatening disorder involving systemic inflammatory symptoms, polyclonal lymphoproliferation, cytopenias, and multiple organ system dysfunction due to a cytokine storm often including interleukin-6. iMCD accounts for one-third to one-half of all cases of MCD and can occur in individuals of any age. Accurate diagnosis is challenging, as no standard diagnostic criteria or diagnostic biomarkers currently exist, and there is significant overlap with malignant, autoimmune, and infectious disorders...
January 13, 2017: Blood
https://www.readbyqxmd.com/read/28012438/on-the-nature-of-the-cu-rich-aggregates-in-brain-astrocytes
#16
Brendan Sullivan, Gregory Robison, Jenna Osborn, Martin Kay, Peter Thompson, Katherine Davis, Taisiya Zakharova, Olga Antipova, Yulia Pushkar
Fulfilling a bevy of biological roles, copper is an essential metal for healthy brain function. Cu dyshomeostasis has been demonstrated to be involved in some neurological conditions including Menkes and Alzheimer's diseases. We have previously reported localized Cu-rich aggregates in astrocytes of the subventricular zone (SVZ) in rodent brains with Cu concentrations in the hundreds of millimolar. Metallothionein, a cysteine-rich protein critical to metal homeostasis and known to participate in a variety of neuroprotective and neuroregenerative processes, was proposed as a binding protein...
December 9, 2016: Redox Biology
https://www.readbyqxmd.com/read/27995741/intermittent-calorie-restriction-largely-counteracts-the-adverse-health-effects-of-a-moderate-fat-diet-in-aging-c57bl-6j-mice
#17
Fenni Rusli, Carolien Lute, Mark V Boekschoten, Miriam van Dijk, Klaske van Norren, Aswin L Menke, Michael Müller, Wilma T Steegenga
SCOPE: Calorie restriction (CR) has been shown to extend life- and health-span in model species. For most humans, a life-long CR diet is too arduous to adhere to. The aim of this study was to explore whether weekly intermittent CR can 1) provide long-term beneficial effects and 2) counteract diet-induced obesity in male aging mice. METHODS AND RESULTS: In this study we have exposed C57Bl/6J mice for 24 months to an intermittent (INT) diet, alternating weekly between CR of a control diet and ad libitum moderate-fat (MF) feeding...
December 20, 2016: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/27984661/a-global-database-of-ant-species-abundances
#18
Heloise Gibb, Rob R Dunn, Nathan J Sanders, Blair F Grossman, Manoli Photakis, Silvia Abril, Donat Agosti, Alan N Andersen, Elena Angulo, Inge Armbrecht, Xavier Arnan, Fabricio B Baccaro, Tom R Bishop, Raphaël Boulay, Carsten Brühl, Cristina Castracani, Xim Cerda, Israel Del Toro, Thibaut Delsinne, Mireia Diaz, David A Donoso, Aaron M Ellison, Martha L Enriquez, Tom M Fayle, Donald H Feener, Brian L Fisher, Robert N Fisher, Matthew C Fitzpatrick, Crisanto Gómez, Nicholas J Gotelli, Aaron Gove, Donato A Grasso, Sarah Groc, Benoit Guenard, Nihara Gunawardene, Brian Heterick, Benjamin Hoffmann, Milan Janda, Clinton Jenkins, Michael Kaspari, Petr Klimes, Lori Lach, Thomas Laeger, John Lattke, Maurice Leponce, Jean-Philippe Lessard, John Longino, Andrea Lucky, Sarah H Luke, Jonathan Majer, Terrence P McGlynn, Sean Menke, Dirk Mezger, Alessandra Mori, Jimmy Moses, Thinandavha Caswell Munyai, Renata Pacheco, Omid Paknia, Jessica Pearce-Duvet, Martin Pfeiffer, Stacy M Philpott, Julian Resasco, Javier Retana, Rogerio R Silva, Magdalena D Sorger, Jorge Souza, Andrew Suarez, Melanie Tista, Heraldo L Vasconcelos, Merav Vonshak, Michael D Weiser, Michelle Yates, Catherine L Parr
What forces structure ecological assemblages? A key limitation to general insights about assemblage structure is the availability of data that are collected at a small spatial grain (local assemblages) and a large spatial extent (global coverage). Here, we present published and unpublished data from 51,388 ant abundance and occurrence records of more than 2693 species and 7953 morphospecies from local assemblages collected at 4212 locations around the world. Ants were selected because they are diverse and abundant globally, comprise a large fraction of animal biomass in most terrestrial communities, and are key contributors to a range of ecosystem functions...
December 16, 2016: Ecology
https://www.readbyqxmd.com/read/27978660/palladium-catalyzed-%C3%AE-arylation-of-vinylogous-esters-for-the-synthesis-of-%C3%AE-%C3%AE-disubstituted-cyclohexenones
#19
Thomas Johnson, Felix Pultar, Friedericke Menke, Mark Lautens
A palladium-catalyzed α-arylation of cyclic vinylogous esters to form products that are converted in one step to γ-alkyl-γ-aryl-substituted cyclohexenones is reported. This Pd-catalyzed reaction proceeds at room temperature, is generally high-yielding, and uses an amount of a commercially available catalyst as low as 0.25 mol %. The scope of aryl bromides is particularly broad, and alkenyl bromides can also be used. This two-step protocol, comprising α-arylation and reductive transposition, can be performed in one pot and is applicable to gram-scale synthesis...
December 16, 2016: Organic Letters
https://www.readbyqxmd.com/read/27974455/cutting-edge-murine-mast-cells-rapidly-modulate-metabolic-pathways-essential-for-distinct-effector-functions
#20
Binh Phong, Lyndsay Avery, Ashley V Menk, Greg M Delgoffe, Lawrence P Kane
There is growing appreciation that cellular metabolic and bioenergetic pathways do not play merely passive roles in activated leukocytes. Rather, metabolism has important roles in controlling cellular activation, differentiation, survival, and effector function. Much of this work has been performed in T cells; however, there is still very little information regarding mast cell metabolic reprogramming and its effect on cellular function. Mast cells perform important barrier functions and help control type 2 immune responses...
January 15, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
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