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https://www.readbyqxmd.com/read/28231701/the-potential-interaction-between-ewe-body-condition-score-and-nutrition-during-very-late-pregnancy-and-lactation-on-the-performance-of-twin-bearing-ewes-and-their-lambs
#1
Lydia Cranston, Paul Kenyon, Rene Corner-Thomas, Steve Morris
Objective: The present study aimed to determine the impact of ewe BCS (over a range of 2.0 to 3.0) and nutritional treatments (consisting of differing herbage masses) during very late pregnancy and lactation and their potential interaction on the performance of twin-bearing ewes and their lambs to weaning. Methods: On day [42 of pregnancy, twin-bearing ewes with a body condition score (BCS) of 2.0, 2.5 or 3.0 were allocated to a "Moderate' or 'Unrestricted' nutritional treatment until day 95 of lactation (weaning)...
February 23, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28231656/-acute-effect-of-ambient-air-pollution-on-small-airway-lung-functions-among-school-children-in-shanghai
#2
L J Zhang, C Y Guo, H H Xu, D Xu, X B Shen, X Y Du, M H Zhang, J G Tan, J H Zhang, C Y Dong, H L Qian, Y W Shi, M Z Pan, X D Zhou
Objective: To study the acute effects of compound ambient air pollution on small airway lung functions among school children in Shanghai. Method: A longitudinal survey on lung functions was conducted among 233 school-children from three schools (A, B and C, located in innerring, mid-ring and outer-ring areas). Lung function test was performed once a week for 3 times respectively, among children in school A and B in Dec. 2013 and in school C in Dec. 2014. The fourth lung function test was tested in Jun. 2014 and May 2015 in the respective schools...
February 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28231635/in-vivo-structural-imaging-in-rats-reveals-neuroanatomical-correlates-of-behavioral-sub-dimensions-of-cocaine-addiction
#3
Nazzareno Cannella, Alejandro Cosa-Linan, Elena Büchler, Claudia Falfan-Melgoza, Wolfgang Weber-Fahr, Rainer Spanagel
Cocaine addiction is a multi-dimensional behavioral disorder characterized by a loss of control over cocaine taking despite of detrimental consequences. Structural MRI studies have revealed association between cocaine consumption and gray matter volume (GMV) in cocaine-addicted patients. However, the behavioral correlates of GMV in cocaine addiction are poorly understood. Here, we used a DSM-IV-based rat model of cocaine addiction with high face validity for structural imaging. According to three behavioral sub-dimensions of addiction, rats were separated into two groups showing either addict-like or non-addict-like behavior...
February 23, 2017: Addiction Biology
https://www.readbyqxmd.com/read/28231633/barriers-to-regaining-control-within-a-constructivist-grounded-theory-of-family-resilience-in-icu-living-with-uncertainty
#4
Pauline Wong, Pranee Liamputtong, Susan Koch, Helen Rawson
This paper discusses families' experiences of their interactions when a relative is admitted unexpectedly to an Australian intensive care unit BACKGROUND: The overwhelming emotions associated with the unexpected admission of a relative to an intensive care unit (ICU) are often due to the uncertainty surrounding the condition of their critically ill relative. There is limited in-depth understanding of the nature of uncertainty experienced by families in ICU, and interventions perceived by families to minimise their uncertainty are not well documented...
February 23, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28231556/compliant-support-surfaces-affect-sensory-reweighting-during-balance-control
#5
I M Schut, D Engelhart, J H Pasma, R G K M Aarts, A C Schouten
To maintain upright posture and prevent falling, balance control involves the complex interaction between nervous, muscular and sensory systems, such as sensory reweighting. When balance is impaired, compliant foam mats are used in training methods to improve balance control. However, the effect of the compliance of these foam mats on sensory reweighting remains unclear. In this study, eleven healthy subjects maintained standing balance with their eyes open while continuous support surface (SS) rotations disturbed the proprioception of the ankles...
February 9, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28231536/lignin-derived-inhibition-of-monocomponent-cellulases-and-a-xylanase-in-the-hydrolysis-of-lignocellulosics
#6
Miriam Kellock, Jenni Rahikainen, Kaisa Marjamaa, Kristiina Kruus
Non-productive enzyme binding onto lignin is the major inhibitory mechanism, which reduces hydrolysis rates and yields and prevents efficient enzyme recycling in the hydrolysis of lignocellulosics. The detailed mechanisms of binding are still poorly understood. Enzyme-lignin interactions were investigated by comparing the structural properties and binding behaviour of fungal monocomponent enzymes, cellobiohydrolases TrCel7A and TrCel6A, endoglucanases TrCel7B and TrCel5A, a xylanase TrXyn11 and a β-glucosidase AnCel3A, onto lignins isolated from steam pretreated spruce and wheat straw...
February 11, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28231533/synthesis-characterization-and-dna-binding-cleavage-protein-binding-and-cytotoxicity-studies-of-co-ii-ni-ii-cu-ii-and-zn-ii-complexes-of-aminonaphthoquinone
#7
A Kosiha, C Parthiban, Kuppanagounder P Elango
The Co(II), Ni(II), Cu(II) and Zn(II) complexes of an aminonaphthoquinone ligand (L) have been prepared and characterized using analytical and spectral techniques. The structures of L and its Zn(II) complex are confirmed by single crystal X-ray diffraction study. The results indicate that Co(II), Ni(II) and Zn(II) complexes possess tetrahedral geometry while Cu(II) complex exhibits square planar structure. The interaction of L and its complexes with CT-DNA reveal that they could interact with CT-DNA through intercalation...
February 16, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28231523/synergistic-effects-between-a-copper-based-metal-casiope%C3%A3-na-iii-ia-and-cisplatin
#8
Silvia Graciela Davila-Manzanilla, Yeshenia Figueroa-de-Paz, Carmen Mejia, Lena Ruiz-Azuara
Additive, subadditive or superadditive interactions observed in combination therapy play an important role in several treatments, particularly for cancer. The isobolographic analysis allows to establish the pharmacological interactions that exist between two drugs that are administered together in equieffective doses. In order to identify if the combination of two compounds presents synergistic interaction, the antiproliferative activity of CasIII-ia with analogue compounds or cisplatin in different molar ratios was evaluated...
February 3, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28231521/therapeutic-journey-of-2-4-thiazolidinediones-as-a-versatile-scaffold-an-insight-into-structure-activity-relationship
#9
REVIEW
Mohd Javed Naim, Md Jahangir Alam, Shujauddin Ahmad, Farah Nawaz, Neelima Shrivastava, Meeta Sahu, Ozair Alam
Thiazolidinedione is an important heterocyclic ring system, a pharmacophore and a privileged scaffold in medicinal chemistry; is a derivative of thiazolidine ring which came into existence for its role as antihyperglycemic agent and a specific ligand of PPAR's (Peroxisome proliferator activated receptor). Exhaustive research has led to determination of its vast biological profile with wide range of therapeutic applications. This review covers recent pharmacological advancements of thiazolidinedione moiety along with structure activity relationship so as to provide better correlation among different structures and their receptor interactions...
February 20, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28231517/measurements-of-x-ray-doses-and-spectra-produced-by-picosecond-laser-irradiated-solid-targets
#10
Bo Yang, Rui Qiu, Minghai Yu, Jinlong Jiao, Wei Lu, Yonghong Yan, Bo Zhang, Zhimeng Zhang, Weimin Zhou, Junli Li, Hui Zhang
Experiments have shown that high-intensity laser interaction with a solid target can generate significant X-ray doses. This study was conducted to determine the X-ray doses and spectra produced for picosecond laser-irradiated solid targets. The photon doses and X-ray spectra in the laser forward and side directions were measured using an XG III ps 300 TW laser system. For laser intensities of 7×10(18)-4×10(19)W/cm(2), the maximum photon dose was 16.8 mSv at 50cm with a laser energy of ~153J on a 1-mm Ta target...
February 9, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28231500/silver-nanoparticle-embedded-graphene-oxide-methotrexate-for-targeted-cancer-treatment
#11
Raj Kumar Thapa, Jae Hee Kim, Jee-Heon Jeong, Beom Soo Shin, Han-Gon Choi, Chul Soon Yong, Jong Oh Kim
Combination therapies are widely investigated cancer treatment modalities. Carbon based systems such as graphene oxide (GO), plasmonic nanoparticles such as silver nanoparticles (AgNPs), and the folate analog, methotrexate (MTX), have been separately studied for their potential anticancer effects. In this study, we combined these systems to develop AgNPs-embedded GO with conjugated MTX (MTX-GO/AgNPs) and studied their folate receptor-targeted anticancer effects. Results revealed successful formation of AgNPs on GO along with MTX conjugation as suggested by UV/visible, TEM, AFM, FTIR, and XRD analysis...
February 13, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28231499/surfactant-cobalt-iii-complexes-the-impact-of-hydrophobicity-on-interaction-with-hsa-and-dna-insights-from-experimental-and-theoretical-approach
#12
Selvakumar Veeralakshmi, Gopal Sabapathi, Selvan Nehru, Ponnambalam Venuvanalingam, Sankaralingam Arunachalam
To develop surfactant-based metallodrugs, it is very important to know about their hydrophobicity, micelle forming capacity, their interaction with biomacromolecules such as proteins and nucleic acids, and biological activities. Here, diethylenetriamine (dien) and tetradecylamine ligand (TA) based surfactant-cobalt(III) complexes with single chain domain, [Co(dien)(TA)Cl2]ClO4 (1) and double chain domain [Co(dien)(TA)2Cl](ClO4)2 (2) were chosen to study the effect of hydrophobicity on the interaction with human serum albumin and calf thymus DNA...
February 16, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28231489/moving-and-positioning-the-endolysosomal-system
#13
REVIEW
Juan S Bonifacino, Jacques Neefjes
The endolysosomal system is extremely dynamic, yet highly organized. The spatio-temporal distribution of endolysosomal organelles depends on transport driven by microtubule motors such as kinesins and dynein, and by actin-based myosin motors. It has recently become appreciated that interactions with motors are controlled by contacts with other organelles, particularly the endoplasmic reticulum (ER). The ER also controls the concentration of endolysosomal organelles in the perinuclear area, as well as their fission and fusion, through a complex system of tethering proteins...
February 20, 2017: Current Opinion in Cell Biology
https://www.readbyqxmd.com/read/28231469/bassoon-controls-presynaptic-autophagy-through-atg5
#14
Nathan D Okerlund, Katharina Schneider, Sergio Leal-Ortiz, Carolina Montenegro-Venegas, Sally A Kim, Loren C Garner, Eckart D Gundelfinger, Richard J Reimer, Craig C Garner
Mechanisms regulating the surveillance and clearance of synaptic proteins are not well understood. Intriguingly, the loss of the presynaptic active zone proteins Piccolo and Bassoon triggers the loss of synaptic vesicles (SVs) and compromises synaptic integrity. Here we report that the destruction of SVs in boutons lacking Piccolo and Bassoon was associated with the induction of presynaptic autophagy, a process that depended on poly-ubiquitination, but not the E3 ubiquitin ligase Siah1. Surprisingly, gain or loss of function (LOF) of Bassoon alone suppressed or enhanced presynaptic autophagy, respectively, implying a fundamental role for Bassoon in the local regulation of presynaptic autophagy...
February 22, 2017: Neuron
https://www.readbyqxmd.com/read/28231454/zinc-complexes-of-diflunisal-synthesis-characterization-structure-antioxidant-activity-and-in-vitro-and-in-silico-study-of-the-interaction-with-dna-and-albumins
#15
Alketa Tarushi, Chrisoula Kakoulidou, Catherine P Raptopoulou, Vassilis Psycharis, Dimitris P Kessissoglou, Ioanna Zoi, Athanasios N Papadopoulos, George Psomas
From the reaction of ZnCl2 with the non-steroidal anti-inflammatory drug diflunisal (Hdifl), complex [Zn(difl-O)2(MeOH)4], 1 was formed, while in the presence of a N,N'-donor heterocyclic ligand 2,2'-bipyridylamine (bipyam), 2,2'-bipyridine (bipy), 1,10-phenanthroline (phen) and 2,2'-dipyridylketone oxime (Hpko), the complexes [Zn(difl-O,O')2(bipyam)], 2, [Zn(difl-O,O')2(bipy)], 3, [Zn(difl-O,O')2(phen)], 4 and [Zn(difl-O)2(Hpko)2], 5 were isolated, respectively. The complexes were characterized by physicochemical and spectroscopic techniques and the crystal structures of complexes 2, 3 and 5 were determined by X-ray crystallography...
February 12, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28231453/siderophore-transport-by-mmpl5-mmps5-protein-complex-in-mycobacterium-tuberculosis
#16
Padmani Sandhu, Yusuf Akhter
Iron is an essential metal ion required for the various physiological activities of bacteria. The pathogenic bacteria remain dependent on the host cell for their iron requirements and evolved with specialized scavenging machinery in the form of iron chelating siderophores. Mycobacterium tuberculosis has two types of siderophore molecules, mycobactin and carboxymycobactin. These are synthesized inside bacterial cells and need to be transported outside by specialized membrane associated proteins. MmpL5-MmpS5 (mycobacterial membrane protein large5-mycobacterial membrane protein small5) complex has been linked to the export of non-ferrated siderophores to extracellular environment but the precise molecular mechanism involved was largely unknown...
February 14, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28231451/disaggregation-of-human-islet-amyloid-polypeptide-fibril-formation-by-ruthenium-polypyridyl-complexes
#17
Dengsen Zhu, Gehui Gong, Wenji Wang, Weihong Du
The toxicity of amyloid proteins is associated with many degenerative and systematic diseases. The aggregation of human islet amyloid polypeptide may induce pancreatic β-cell death, which is linked to type II diabetes. Ruthenium complexes are inhibitors of various proteins and potential anticancer metallodrugs, which can also be used to disaggregate amyloid proteins. This work reported that several ruthenium polypyridyl complexes remarkably affected the peptide aggregation by predominant hydrophobic interaction and metal coordination, as reflected by thermodynamic parameters and mass spectrometry analysis...
February 13, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28231442/ethnomethodological-studies-of-nurse-patient-and-nurse-relative-interactions-a-scoping-review
#18
REVIEW
Eric Mayor, Lucas Bietti
OBJECTIVES: Researchers in nursing science interested in the study of nurse-patient and nurse-relative interactions have displayed an ever increasing interest in ethnomethodology and conversation analysis. This review assesses the scope of this literature. We categorize the papers in thematic categories determined both inductively and deductively and synthesize the main findings of this literature within category. Finally we discuss the interactional determinants of the lack patient participation, the limitations of the field, and focus on implications...
February 9, 2017: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/28231407/co-occurrence-and-hybridization-of-anther-smut-pathogens-specialized-on-dianthus-hosts
#19
Elsa Petit, Casey Silver, Amandine Cornille, Pierre Gladieux, Lisa Rosenthal, Emily Bruns, Sarah Yee, Janis Antonovics, Tatiana Giraud, Michael E Hood
Host specialization has important consequences for the diversification and ecological interactions of obligate pathogens. The anther-smut disease of natural plant populations, caused by Microbotryum fungi, has been characterized by specialized host-pathogen interactions, which contribute in part to the isolation among these numerous fungal species. This study investigated the molecular variation of Microbotryum pathogens within the geographic and host-specific distributions on wild Dianthus species in southern European Alps...
February 23, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28231395/functional-connectivity-in-amygdalar-sensory-pre-motor-networks-at-rest-new-evidence-from-the-human-connectome-project
#20
Nicola Toschi, Andrea Duggento, Luca Passamonti
The word "e-motion" derives from the Latin word "ex-moveo" which literally means "moving away from something / somebody". Emotions are thus fundamental to prime action and goal-directed behavior with obvious implications for individual's survival. However, the brain mechanisms underlying the interactions between emotional and motor cortical systems remain poorly understood. A recent diffusion tensor imaging study in humans has reported the existence of direct anatomical connections between the amygdala and sensory/(pre)motor cortices, corroborating an initial observation in animal research...
February 23, 2017: European Journal of Neuroscience
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