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https://www.readbyqxmd.com/read/29667691/spin-crossover-fe-ii-complexes-of-a-cross-bridged-cyclam-derivative
#1
Bohuslav Drahoš, Zdeněk Trávníček
A cross-bridged cyclam derivative containing two 2-pyridylmethyl pendant arms (L = 4,11-bis((pyridin-2-yl)methyl)-1,4,8,11-tetraaza-bicyclo[6.6.2]hexadecane) was synthesized by dialkylation of the cross-bridged cyclam with 2-chloromethylpyridine. A series of Fe(ii) complexes with L and different counter-anions of the formulas [Fe(L)][FeCl4]·H2O (1·H2O), [Fe(L)]Cl2·4H2O (2·4H2O), [Fe(L)](BF4)2·0.5CH3CN (3·0.5CH3CN) and [Fe(L)](BPh4)2·CH3OH (4·CH3OH) was prepared and thoroughly characterized. In all the cases, the [Fe(L)]2+ cation adopts a cis-V configuration with a distorted octahedral geometry, and with the FeN6 donor set...
April 18, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29667569/ethnic-and-age-differences-in-prediction-of-mortality-by-mid-upper-arm-circumference-in-children-below-3-years-of-age-in-nepal
#2
Avni Gupta, James M Tielsch, Subarna K Khatry, Steven C LeClerq, Luke C Mullany, Joanne Katz
OBJECTIVE: To assess ethnicity- and age-modified associations between mid-upper arm circumference (MUAC) and mortality in Nepalese children and whether sociodemographic factors explain these associations. DESIGN: Secondary data analysis of children followed until 3 years of age. Estimated mortality hazard ratios (HR) for MUAC<11·5cm (recommended cut-off for identifying severe acute malnutrition among children ≥6 months old) compared with ≥11·5cm in younger (<6 months) and older children (≥6 months) of Pahadi and Madhesi ethnicity, adjusting for sex, socio-economic status (SES) and mother's education using Cox proportional hazard models...
April 18, 2018: Public Health Nutrition
https://www.readbyqxmd.com/read/29667541/does-suture-material-affect-uterine-scar-healing-after-cesarean-section-results-from-a-randomized-controlled-trial
#3
Alper Başbuğ, Ozan Doğan, Aşkı Ellibeş Kaya, Çiğdem Pulatoğlu, Mete Çağlar
BACKGROUND: Impaired healing of the uterine scar after cesarean has been associated with adverse gynecological and obstetric outcomes. Although a large number of studies have been conducted on the events leading to this, information obtained from prospective randomized studies examining the role of suture material in the formation of cesarean scar defect (CSD) is lacking. OBJECTIVE: To evaluate the effects of synthetic suture materials on CSD formation. STUDY DESIGN: We performed a two-arm 1:1 randomized study in women with singleton pregnancies undergoing elective primary cesarean delivery after the 38th week of gestation...
April 18, 2018: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/29667473/harnessing-neuroplasticity-modern-approaches-and-clinical-future
#4
Andrew Octavian Sasmita, Joshua Kuruvilla, Anna Pick Kiong Ling
Neurological diseases and injuries to the nervous system may cause inadvertent damage to neuronal and synaptic structures. Such phenomenon would catastrophically accumulate, leading to the development of neurological and neurodegenerative disorders which might affect memory, cognition, and motoric functions. The body has various negative feedback systems which are able to induce beneficial neuroplastic changes in mediating some neuronal damage, however, such efforts are often not enough to ameliorate the derogatory changes...
April 18, 2018: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29667233/ankaferd-blood-stopper-as-a-new-strategy-to-avoid-early-complications-after-transradial-procedures-a-randomized-clinical-trial
#5
Sevket Gorgulu, Tugrul Norgaz, Ilke Sipahi
BACKGROUND: We planned a three arm randomized study to evaluate the safety and efficacy of a new blood stopper, Ankaferd blood stopper (ABS) along with short-time compression, compared to either short-time compression with conventional sterile gauzes (CSG) or with a TR band after transradial (TRA) procedures. METHODS: The Ankaferd blood stopper as a new strategy to avoid early complications. After transradial procedures (ABS transradial) trial is designed in a prospective, randomized, placebo-controlled fashion and registered with http://clinicaltrials...
April 17, 2018: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/29667175/first-line-drugs-for-hypertension
#6
REVIEW
James M Wright, Vijaya M Musini, Rupam Gill
BACKGROUND: This is the first update of a review published in 2009. Sustained moderate to severe elevations in resting blood pressure leads to a critically important clinical question: What class of drug to use first-line? This review attempted to answer that question. OBJECTIVES: To quantify the mortality and morbidity effects from different first-line antihypertensive drug classes: thiazides (low-dose and high-dose), beta-blockers, calcium channel blockers, ACE inhibitors, angiotensin II receptor blockers (ARB), and alpha-blockers, compared to placebo or no treatment...
April 18, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29667139/spinal-navigation-for-minimally-invasive-thoracic-and-lumbosacral-spine-fixation-implications-for-radiation-exposure-operative-time-and-accuracy-of-pedicle-screw-placement
#7
T Tajsic, K Patel, R Farmer, R J Mannion, R A Trivedi
PURPOSE: Navigation is emerging as a useful adjunct in percutaneous, minimally invasive spinal surgery (MIS). The aim of this study was to compare C-Arm navigated, O-Arm navigated and conventional 2D-fluoroscopy assisted MIS thoracic and lumbosacral spine fixation techniques in terms of operating time, radiation exposure and accuracy of pedicle screw (PS) placement. METHODS: Retrospective observational study of 152 consecutive adults who underwent MIS fixations for spinal instability: 96 2D-fluoroscopy assisted, 39 3D-C-Arm navigated and 27 using O-Arm navigated...
April 17, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29666885/referred-cramping-phantom-hand-pain-elicited-in-the-face-and-eliminated-by-peripheral-nerve-block
#8
Caroline Dietrich, Sandra Nehrdich, Annette Zimmer, Alexander Ritter, Gunther O Hofmann, Wolfgang H R Miltner, Thomas Weiss
Phantom limb pain is a restricting condition for a substantial number of amputees with quite different characteristics of pain. Here, we report on a forearm amputee with constant phantom pain in the hand, in whom we could regularly elicit the rare phenomenon of referred cramping phantom pain by touching the face. To clarify the underlying mechanisms, we followed the cramp during the course of an axillary blockade of the brachial plexus. During the blockade, both phantom pain and the referred cramp were abolished, while a referred sensation of "being touched at the phantom" persisted...
April 17, 2018: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/29666883/snp-based-pool-genotyping-and-haplotype-analysis-accelerate-fine-mapping-of-the-wheat-genomic-region-containing-stripe-rust-resistance-gene-yr26
#9
Jianhui Wu, Qingdong Zeng, Qilin Wang, Shengjie Liu, Shizhou Yu, Jingmei Mu, Shuo Huang, Hanan Sela, Assaf Distelfeld, Lili Huang, Dejun Han, Zhensheng Kang
NGS-assisted super pooling emerging as powerful tool to accelerate gene mapping and haplotype association analysis within target region uncovering specific linkage SNPs or alleles for marker-assisted gene pyramiding. Conventional gene mapping methods to identify genes associated with important agronomic traits require significant amounts of financial support and time. Here, a single nucleotide polymorphism (SNP)-based mapping approach, RNA-Seq and SNP array assisted super pooling analysis, was used for rapid mining of a candidate genomic region for stripe rust resistance gene Yr26 that has been widely used in wheat breeding programs in China...
April 17, 2018: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/29666780/identification-expression-analysis-and-molecular-modeling-of-iron-deficiency-specific-clone-3-ids3-like-gene-in-hexaploid-wheat
#10
Priyanka Mathpal, Upendra Kumar, Anuj Kumar, Sanjay Kumar, Sachin Malik, Naveen Kumar, H S Dhaliwal, Sundip Kumar
Graminaceous plants secrete hydroxylated phytosiderophores encoded by the genes iron-deficiency-specific clone 2 ( Ids2 ) and iron-deficiency-specific clone 3 ( Ids3 ). An effort was made to identify a putative ortholog of Hodeum vulgare Ids3 gene in hexaploid wheat. The protein structure of TaIDS3 was modeled using homology modeling and structural behavior of modeled structure was analyzed at 20 ns. The simulation trajectory using molecular dynamics simulation suggested the model to be stable with no large fluctuations in residues and local domain level RMSF values (< 2...
April 2018: 3 Biotech
https://www.readbyqxmd.com/read/29666777/injury-of-the-radial-nerve-in-the-arm-a-review
#11
REVIEW
Taroob J Latef, Muhammad Bilal, Marc Vetter, Joe Iwanaga, Rod J Oskouian, R Shane Tubbs
Compression of the radial nerve is most commonly described at the supinator muscle (i.e., arcade of Frohse). However, radial nerve compression can occur in the arm. Therefore, the purpose of this article is to review both etiologies of radial nerve entrapment and the sites at which this can occur in the arm. The clinical presentation of radial nerve entrapment in the arm and how it differs from that of entrapment at other sites is reviewed and the conditions potentially predisposing to nerve entrapment are described...
February 16, 2018: Curēus
https://www.readbyqxmd.com/read/29666634/dynamical-motor-control-learned-with-deep-deterministic-policy-gradient
#12
Haibo Shi, Yaoru Sun, Jie Li
Conventional models of motor control exploit the spatial representation of the controlled system to generate control commands. Typically, the control command is gained with the feedback state of a specific instant in time, which behaves like an optimal regulator or spatial filter to the feedback state. Yet, recent neuroscience studies found that the motor network may constitute an autonomous dynamical system and the temporal patterns of the control command can be contained in the dynamics of the motor network, that is, the dynamical system hypothesis (DSH)...
2018: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/29666625/dying-to-be-noticed-epigenetic-regulation-of-immunogenic-cell-death-for-cancer-immunotherapy
#13
REVIEW
Brianne Cruickshank, Michael Giacomantonio, Paola Marcato, Sherri McFarland, Jonathan Pol, Shashi Gujar
Immunogenic cell death (ICD) activates both innate and adaptive arms of the immune system during apoptotic cancer cell death. With respect to cancer immunotherapy, the process of ICD elicits enhanced adjuvanticity and antigenicity from dying cancer cells and consequently, promotes the development of clinically desired antitumor immunity. Cancer ICD requires the presentation of various "hallmarks" of immunomodulation, which include the cell-surface translocation of calreticulin, production of type I interferons, and release of high-mobility group box-1 and ATP, which through their compatible actions induce an immune response against cancer cells...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29666575/combining-mental-training-and-physical-training-with-goal-oriented-protocols-in-stroke-rehabilitation-a-feasibility-case-study
#14
Xin Zhang, Ahmed M Elnady, Bubblepreet K Randhawa, Lara A Boyd, Carlo Menon
Stroke is one of the leading causes of permanent disability in adults. The literature suggests that rehabilitation is key to early motor recovery. However, conventional therapy is labor and cost intensive. Robotic and functional electrical stimulation (FES) devices can provide a high dose of repetitions and as such may provide an alternative, or an adjunct, to conventional rehabilitation therapy. Brain-computer interfaces (BCI) could augment neuroplasticity by introducing mental training. However, mental training alone is not enough; but combining mental with physical training could boost outcomes...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29666572/characterization-of-peripheral-activity-states-and-cortical-local-field-potentials-of-mice-in-an-elevated-plus-maze-test
#15
Toya Okonogi, Ryota Nakayama, Takuya Sasaki, Yuji Ikegaya
Elevated plus maze (EPM) tests have been used to assess animal anxiety levels. Little information is known regarding how physiological activity patterns of the brain-body system are altered during EPM tests. Herein, we monitored cortical local field potentials (LFPs), electrocardiograms (ECGs), electromyograms (EMGs), and respiratory signals in individual mice that were repeatedly exposed to EPM tests. On average, mouse heart rates were higher in open arms. In closed arms, the mice occasionally showed decreased heart and respiratory rates lasting for several seconds or minutes, characterized as low-peripheral activity states of peripheral signals...
2018: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/29666272/human-n-acetylglucosaminyltransferase-ii-substrate-recognition-uses-a-modular-architecture-that-includes-a-convergent-exosite
#16
Renuka Kadirvelraj, Jeong-Yeh Yang, Justin H Sanders, Lin Liu, Annapoorani Ramiah, Pradeep Kumar Prabhakar, Geert-Jan Boons, Zachary A Wood, Kelley W Moremen
Asn-linked oligosaccharides are extensively modified during transit through the secretory pathway, first by trimming of the nascent glycan chains and subsequently by initiating and extending multiple oligosaccharide branches from the trimannosyl glycan core. Trimming and branching pathway steps are highly ordered and hierarchal based on the precise substrate specificities of the individual biosynthetic enzymes. A key committed step in the synthesis of complex-type glycans is catalyzed by N -acetylglucosaminyltransferase II (MGAT2), an enzyme that generates the second GlcNAcβ1,2- branch from the trimannosyl glycan core using UDP-GlcNAc as the sugar donor...
April 16, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29666191/flagellum-inheritance-in-trypanosoma-brucei-requires-a-kinetoplastid-specific-protein-phosphatase
#17
Qing Zhou, Gang Dong, Ziyin Li
Trypanosoma brucei causes sleeping sickness in humans and nagana in cattle in sub-Saharan Africa and alternates between its mammalian hosts and its insect vector, the tsetse fly. T. brucei uses a flagellum for motility, cell division, and cell-cell communication. Proper positioning and attachment of the newly assembled flagellum rely on the faithful duplication and segregation of flagellum-associated cytoskeletal structures. These processes are regulated by the polo-like kinase homolog TbPLK, whose activity and abundance are under stringent control to ensure spatiotemporally regulated phosphorylation of its substrates...
April 17, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29666135/study-protocol-for-the-saron-trial-a-multicentre-randomised-controlled-phase-iii-trial-comparing-the-addition-of-stereotactic-ablative-radiotherapy-and-radical-radiotherapy-with-standard-chemotherapy-alone-for-oligometastatic-non-small-cell-lung-cancer
#18
John Conibear, Brendan Chia, Yenting Ngai, Andrew Tom Bates, Nicholas Counsell, Rushil Patel, David Eaton, Corinne Faivre-Finn, John Fenwick, Martin Forster, Gerard G Hanna, Susan Harden, Philip Mayles, Syed Moinuddin, David Landau
INTRODUCTION: Following growing evidence to support the safety, local control (LC) and potential improvement in overall survival (OS) in patients with oligometastatic non-small cell lung cancer (NSCLC) that have been treated with local ablative therapy such as stereotactic ablative radiotherapy (SABR) and stereotactic radiosurgery (SRS), we initiate the SARON trial to investigate the impact and feasibility of adding SABR/SRS and radical radiotherapy (RRT) following standard chemotherapy on OS...
April 17, 2018: BMJ Open
https://www.readbyqxmd.com/read/29666087/conservative-treatment-in-displaced-fractures-of-the-humeral-capitellum-a-reduction-technique-under-local-anaesthesia
#19
Takahisa Ogawa, Shinichi Shirasawa
We report the case of a 46-year-old woman who struck her right elbow on the ground after a fall on ice. Radiography showed a right humeral capitellar fracture, and CT further confirmed a Dubberley type 1A fracture. Closed reduction was performed under local anaesthesia, and an anatomical position was obtained. After the reduction, her right elbow was casted for 18 days. Three months after the injury, bone union was achieved without displacement, and the active range of motion of her right elbow recovered similar to the unaffected side...
April 17, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29666026/cervical-cancer-state-of-the-science-from-angiogenesis-blockade-to-checkpoint-inhibition
#20
REVIEW
Lindsey E Minion, Krishnansu S Tewari
Vascular endothelial growth factor (VEGF) has emerged as a therapeutic target in several malignancies, including cervical cancer. Chemotherapy doublets combined with the fully humanized monoclonal antibody, bevacizumab, now constitute first-line therapy for women struggling with recurrent/metastatic cervical carcinoma. Regulatory approval for this indication was based on the phase III randomized trial, GOG 240, which demonstrated a statistically significant and clinically meaningful improvement in overall survival when bevacizumab was added to chemotherapy: 17...
March 2018: Gynecologic Oncology
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