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https://www.readbyqxmd.com/read/28806734/mental-health-among-single-and-partnered-parents-in-south-korea
#1
Kyoung Ae Kong, Hee Yeon Choi, Soo In Kim
OBJECTIVE: This study compares the mental health of single parents relative to partnered parents and assesses the contribution of the social and demographic factors to this difference, examining the gender difference in it. METHODS: We analyzed 12,024 single and partnered subjects, aged 30-59 years, living with children, aged 0-19 years, drawn from the 4th, 5th, and 6th Korea National Health and Nutrition Examination Survey (KNHANES) dataset in South Korea conducted from 2007-2013...
2017: PloS One
https://www.readbyqxmd.com/read/28806733/the-interaction-between-endogenous-30s-ribosomal-subunit-protein-s11-and-cucumber-mosaic-virus-ls2b-protein-affects-viral-replication-infection-and-gene-silencing-suppressor-activity
#2
Ruilin Wang, Zhiyou Du, Zhenqing Bai, Zongsuo Liang
Cucumber mosaic virus (CMV) is a model virus for plant-virus protein interaction and mechanism research because of its wide distribution, high-level of replication and simple genome structure. The 2b protein is a multifunctional protein encoded by CMV that suppresses RNA silencing-based antiviral defense and contributes to CMV virulence in host plants. In this report, 12 host proteins were identified as CMV LS2b binding partners using the yeast two-hybrid screen system from the Arabidopsis thaliana cDNA library...
2017: PloS One
https://www.readbyqxmd.com/read/28806619/a-long-term-recurrence-free-survival-of-a-patient-with-the-mixed-adeno-neuroendocrine-bile-duct-carcinoma-a-case-report-and-review-of-the-literature
#3
Wataru Izumo, Ryota Higuchi, Takehisa Yazawa, Shuichiro Uemura, Yutaro Matsunaga, Masahiro Shiihara, Toru Furukawa, Masakazu Yamamoto
INTRODUCTION: Neuroendocrine tumors arising primarily in the bile duct are rare. And among these tumors, mixed adeno-neuroendocrine carcinoma (MANEC) is quite uncommon. We report a patient with MANEC who achieved long-term recurrence-free survival. And our case report includes analysis previous case reports. PRESENTATION OF CASE: A 66-year-old man underwent investigation for persistent anorexia and fatigue. Laboratory tests showed that the values of hepatobiliary enzymes were increased...
August 4, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28806609/sleep-disturbances-in-young-and-middle-aged-adults-empirical-patterns-and-related-factors-from-an-epidemiological-survey
#4
Wulf Rössler, Vladeta AjdacicGross, Nick Glozier, Stephanie Rodgers, Helene Haker, Mario Müller
BACKGROUND: Previous research suggests that sleep disorders are highly associated with other mental health problems. However, sleep problems even below the diagnostic threshold of sleep disorders are very common in the general population, which highly affects wellbeing and functioning. In order to broaden the focus beyond those severe cases we explored empirical patterns across the whole spectrum of sleep problems as well as associated clinical and other factors. METHOD: A representative community sample of N=1274 residents from the canton of Zurich was interviewed for sleep problems and diagnostic criteria for mental disorders as well as was given a number of mental health-related psychometrical checklists...
July 21, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28806604/chemodiversity-of-tryptamine-derived-alkaloids-in-six-costa-rican-palicourea-species-rubiaceae-palicoureeae
#5
Andreas Berger, Elias Tanuhadi, Lothar Brecker, Johann Schinnerl, Karin Valant-Vetschera
We report 14 harmala and tryptamine-iridoid alkaloids with various tri-, tetra- and pentacyclic cores from leaves and stem bark of six species of the large and complex neotropical genus Palicourea. Among them is the previously undescribed compound deoxostrictosamide which is related to strictosamide, a key intermediate in camptothecin biosynthesis. In addition, we describe the occurrence of 1,2,3,4-tetrahydronorharman-1-one for the first time within Rubiaceae and ophiorine A and B, two alkaloids with an unusual core bearing a betaine function and a zwitterion as new for the genus...
August 11, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28806515/redox-triggered-coloration-mechanism-of-electrically-tunable-colloidal-photonic-crystals
#6
Ho-Sung Yang, Jinhyeok Jang, Byoung-Sun Lee, Tae-Hyung Kang, Jong-Jin Park, Woong-Ryeol Yu
Electrically tunable colloidal photonic crystals (ETPCs) have been researched due to several merits such as easy color tunability, no discoloration, and high brightness. The coloration mechanism of ETPCs has been explained by only the electric field. Herein, we report on a new mechanism: electric field plus redox reaction. Imposing electrically conductive or insulated conditions on the electrodes of ETPCs, the coloration behavior of ETPCs was investigated using current-voltage, cyclic voltammetry and zeta potential measurements, as well as scanning electron microscopy...
August 14, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28806508/cubic-fluorite-type-cah2-with-a-small-bandgap
#7
Hiroshi Mizoguchi, SangWon Park, Takashi Honda, Kazutaka Ikeda, Toshiya Otomo, Hideo Hosono
A cubic variant of CaH2 adopting a fluorite-type crystal structure was synthesized by cationic substitution with La or Y, yielding the first alkaline earth hydride-based with fluorite-type framework. The material has a bandgap of ∼2.5 eV (greenish yellow in color), which is much smaller than that of orthorhombic PbCl2-type CaH2 (4.4 eV) and is, in fact, the smallest among alkaline or alkaline earth metal hydrides reported to date. Analysis of the density functional theory band structure of cubic-CaH2 indicates that its conduction band minimum is formed mainly by the interaction between the Ca 3d eg orbitals around the crystallographic cavity defined by cubes of H(-) ions...
August 14, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28806351/effects-of-a-nationwide-strategy-to-reduce-salt-intake-in-samoa
#8
Kathy Trieu, Merina Ieremia, Joseph Santos, Bruce Neal, Mark Woodward, Marj Moodie, Colin Bell, Wendy Snowdon, Taiaopo Faumuina, Jacqui Webster
OBJECTIVE: Salt reduction is one of the most cost-effective interventions for the prevention of noncommunicable diseases, but there are no studies evaluating the effectiveness of national strategies in low or lower middle income countries. This study aimed to examine the effect of an 18-month nation-wide salt reduction strategy in Samoa. METHODS: Two nationally representative cross-sectional surveys of adults aged 18-64 years, measuring 24-h urinary salt excretion and salt-related knowledge, attitudes and behaviours, were conducted before (2013) and after (2015) the intervention...
August 12, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28806225/preventing-retained-central-venous-catheter-guidewires-a-randomized-controlled-simulation-study-using-a-human-factors-approach
#9
Maryanne Z A Mariyaselvam, Ken R Catchpole, David K Menon, Arun K Gupta, Peter J Young
BACKGROUND: Retained central venous catheter guidewires are never events. Currently, preventative techniques rely on clinicians remembering to remove the guidewire. However, solutions solely relying upon humans to prevent error inevitably fail. A novel locked procedure pack was designed to contain the equipment required for completing the procedure after the guidewire should have been removed: suture, suture holder, and antimicrobial dressings. The guidewire is used as a key to unlock the pack and to access the contents; thereby, the clinician must remove the guidewire from the patient to complete the procedure...
August 11, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28806153/expression-purification-and-refolding-of-human-lipocalin-6-and-production-of-a-monoclonal-antibody-against-this-protein
#10
Jiong Chen, Wei Feng, Yue Zhao, Yaqin Li, Fei Zhan
Human lipocalin 6 (hLCN6) is a member of the lipocalin family, which is a group of structurally conserved hydrophobic ligand binding proteins, and widely distributed in animal, plant, and bacteria. Specific expression of hLCN6 in the epididymis and localization of this protein on the surface of spermatozoa suggest a role played by hLCN6, which may function as a transporter to carry ligands in the epididymal channel. However, the role of hLCN6 in sperm maturation has been largely unknown due to the lack of effective antibodies...
August 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28806095/a-midterm-evaluation-of-postoperative-platelet-rich-plasma-injections-on-arthroscopic-supraspinatus-repair-a-randomized-controlled-trial
#11
Jay R Ebert, Allan Wang, Anne Smith, Robert Nairn, William Breidahl, Ming Hao Zheng, Timothy Ackland
BACKGROUND: Platelet-rich plasma (PRP) has been applied as an adjunct to rotator cuff repair to improve tendon-bone healing and potentially reduce the incidence of subsequent tendon retears. PURPOSE: To investigate whether the midterm clinical and radiographic outcomes of arthroscopic supraspinatus repair are enhanced after repeated postoperative applications of PRP. STUDY DESIGN: Randomized controlled trial; Level of evidence, 1. METHODS: A total of 60 patients (30 control; 30 PRP) were initially randomized to receive 2 ultrasound-guided injections of PRP to the tendon repair site at 7 and 14 days after double-row arthroscopic supraspinatus repair or not...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28806089/spatially-resolved-magnetic-anisotropy-of-cobalt-nanostructures-on-the-au-111-surface
#12
Puneet Mishra, Zhi Kun Qi, Hirofumi Oka, Kohji Nakamura, Tadahiro Komeda
Understanding the origin of perpendicular magnetic anisotropy in surface-supported nanoclusters is crucial for fundamental research as well as data storage applications. Here, we investigate the perpendicular magnetic anisotropy energy (MAE) of bilayer cobalt islands on Au(111) substrate using spin-polarized scanning tunneling microscopy at 4.6 K and first-principles theoretical calculations. Au(111) substrate serves as an excellent model system to study the effect of nucleation site and stacking sequence on MAE...
August 14, 2017: Nano Letters
https://www.readbyqxmd.com/read/28806075/reversible-on-off-switching-of-a-single-molecule-magnet-via-a-crystal-to-crystal-chemical-transformation
#13
Dong-Qing Wu, Dong Shao, Xiao-Qin Wei, Fu-Xing Shen, Le Shi, David Kempe, Yuan-Zhu Zhang, Kim R Dunbar, Xin-Yi Wang
Dynamic molecular crystals are of great interest due to their potential applications. Herein we report the reversible on-off switching of single-molecule magnet (SMM) behavior in a [Mo(CN)7](4-) based molecular compound. Upon dehydration and rehydration, the trinuclear Mn2Mo molecule [Mn(L)(H2O)]2[Mo(CN)7]·2H2O (1) undergoes reversible crystal-to-crystal transformation to a hexanuclear Mn4Mo2 compound [Mn(L)(H2O)]2[Mn(L)]2[Mo(CN)7]2 (2). This structural transformation involves the breaking and reforming of coordination bonds which leads to significant changes in the color and magnetic properties...
August 14, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28806061/construction-of-a-polyhedral-dna-12-arm-junction-for-self-assembly-of-wireframe-dna-lattices
#14
Ilenia Manuguerra, Guido Grossi, Rasmus P Thomsen, Jeppe Lyngsø, Jan Skov Pedersen, Jørgen Kjems, Ebbe Sloth Andersen, Kurt Vesterager Gothelf
A variety of different tiles for the construction of DNA lattices have been developed since the structural DNA nanotechnology field was born. The majority of these are designed for the realization of close-packed structures where DNA helices are arranged in parallel and tiles are connected through sticky ends. Assembly of such structures requires to the use of cation rich buffers to minimize repulsion between parallel helices, which poses limits to the application of DNA nanostructures. Wireframe structures on the other hand are less susceptible to salt concentration, but the assembly of wireframe lattices is limited by the availability of tiles and 2 motifs...
August 14, 2017: ACS Nano
https://www.readbyqxmd.com/read/28805952/constituents-from-scutellaria-barbata-inhibiting-nitric-oxide-production-in-lps-stimulated-microglial-cells
#15
So Ra Lee, Min-Suk Kim, Sunggun Kim, Kwang Woo Hwang, So-Young Park
The arial parts of Scutellaria barbata D. Don (Lamiaceae) efficiently inhibited NO production in BV2 microglial cells, and the active constituents were further isolated based on activity-guided isolation using silica-gel column chromatography, RP-C18 MPLC and prep-HPLC. As the results, 2 flavonoids including 6-methoxynaringenin (1) and 6-O-methylscutellarein (5), and 6 neo-clerodane diterpenes such as scutebarbatine W (2), scutebatas B (3), scutebarbatine B (4), scutebarbatine A (6), 6-O-nicotinolylscutebarbatine G (7) and scutebarbatine X (8) were isolated...
August 14, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28805866/low-spin-m-ii-l-2-and-m-iii-l-2-m-fe-and-co-complexes-of-tridentate-azo-containing-pyridine-pyrazine-amide-ligands-structures-properties-and-redox-potential-correlations
#16
Arunava Sengupta, Amit Rajput, Suman K Barman, Rabindranath Mukherjee
Using deprotonated forms of tridentate azo-containing pyridine-2-/pyrazine-2-carboxamide 2-[N-(2-phenylazo)carbamoyl]-pyridine/pyrazine, seven bis-ligand complexes of Fe(II)/Co(II) and Fe(III)/Co(III) have been synthesized. Molecular structures of six of them reveal that these six-coordinate complexes utilize all available donor sites of the ligands and assume M(II/III)N2(pyridine/pyrazine)N'2(amide)N''2(azo) coordination. Complexes of Fe(II) and Co(III) are diamagnetic and those of Fe(III) and Co(II) are paramagnetic (S = 1/2; room-temperature magnetic data and EPR spectra)...
August 14, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28805809/x-ray-structures-of-endothelin-etb-receptor-bound-to-clinical-antagonist-bosentan-and-its-analog
#17
Wataru Shihoya, Tomohiro Nishizawa, Keitaro Yamashita, Asuka Inoue, Kunio Hirata, Francois Marie Ngako Kadji, Akiko Okuta, Kazutoshi Tani, Junken Aoki, Yoshinori Fujiyoshi, Tomoko Doi, Osamu Nureki
Endothelin receptors (ETRs) have crucial roles in vascular control and are targets for drugs designed to treat circulatory-system diseases and cancer progression. The nonpeptide dual-ETR antagonist bosentan is the first oral drug approved to treat pulmonary arterial hypertension. Here we report crystal structures of human endothelin ETB receptor bound to bosentan and to the ETB-selective analog K-8794, at 3.6-Å and 2.2-Å resolution, respectively. The K-8794-bound structure reveals the detailed water-mediated hydrogen-bonding network at the transmembrane core, which could account for the weak negative allosteric modulation of ETB by Na(+) ions...
August 14, 2017: Nature Structural & Molecular Biology
https://www.readbyqxmd.com/read/28805801/small-molecule-studies-identify-cdk8-as-a-regulator-of-il-10-in-myeloid-cells
#18
Liv Johannessen, Thomas B Sundberg, Daniel J O'Connell, Raivo Kolde, James Berstler, Katelyn J Billings, Bernard Khor, Brinton Seashore-Ludlow, Anne Fassl, Caitlin N Russell, Isabel J Latorre, Baishan Jiang, Daniel B Graham, Jose R Perez, Piotr Sicinski, Andrew J Phillips, Stuart L Schreiber, Nathanael S Gray, Alykhan F Shamji, Ramnik J Xavier
Enhancing production of the anti-inflammatory cytokine interleukin-10 (IL-10) is a promising strategy to suppress pathogenic inflammation. To identify new mechanisms regulating IL-10 production, we conducted a phenotypic screen for small molecules that enhance IL-10 secretion from activated dendritic cells. Mechanism-of-action studies using a prioritized hit from the screen, BRD6989, identified the Mediator-associated kinase CDK8, and its paralog CDK19, as negative regulators of IL-10 production during innate immune activation...
August 14, 2017: Nature Chemical Biology
https://www.readbyqxmd.com/read/28805701/a-pectic-polysaccharide-from-sijunzi-decoction-promotes-the-antioxidant-defenses-of-sw480-cells
#19
Chao Huang, Zhongkai Zhu, Xiyue Cao, Xingfu Chen, Yuping Fu, Zhengli Chen, Lixia Li, Xu Song, Renyong Jia, Zhongqiong Yin, Gang Ye, Bin Feng, Yuanfeng Zou
Sijunzi Decoction (SJZD) is a formula used for the treatment of spleen deficiency and gastrointestinal diseases in Traditional Chinese Medicine. Polysaccharides are reported to be the main components of SJZD responsible for its bio-functions. However, highly purified and clearly characterized polysaccharides from SJZD are not well described. Here we obtained a purified polysaccharide (SJZDP-II-I) from SJZD using ion exchange chromatography and gel filtration. Structure analysis by FT-IR and NMR identified SJZDP-II-I as a typical pectic polysaccharide with homogalacturonan and rhamnogalacturonan type I regions and arabinogalactan type I and II as side chains...
August 12, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28805700/bilp-19-an-ultramicroporous-organic-network-with-exceptional-carbon-dioxide-uptake
#20
Christoph Klumpen, Florian Radakovitsch, Andreas Jess, Jürgen Senker
Porous benzimidazole-based polymers (BILPs) have proven to be promising for carbon dioxide capture and storage. The polarity of their chemical structure in combination with an inherent porosity allows for adsorbing large amounts of carbon dioxide in combination with high selectivities over unpolar guest molecules such as methane and nitrogen. For this reason, among purely organic polymers, BILPs contain some of the most effective networks to date. Nevertheless, they are still outperformed by competitive materials such as metal-organic frameworks (MOFs) or metal doped porous polymers...
August 12, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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