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https://www.readbyqxmd.com/read/28188411/first-record-and-description-of-juvenile-stages-of-longidorus-artemisiae-rubtsova-chizhov-subbotin-1999-nematoda-longidoridae-in-poland-and-new-data-on-l-juglandicola-li%C3%A5-kov%C3%A3-robbins-brown-1997-based-on-topotype-specimens-from-slovakia
#1
Franciszek Wojciech Kornobis, Marek Renčo, Anna Filipiak
This paper presents the first geographical record of the needle nematode Longidorus artemisiae Rubtsova, Chizhov & Subbotin, 1999 outside Russia. This species was found in Poland near the city of Skierniewice in association with nettle (Urtica dioica L.). Morphometric and morphological data are provided, including the first description of juveniles of this species. Nematodes of the Polish population differ from the type-population in Russia in possessing a thicker body (lower 'a' index) in both sexes; males having a longer body and longer spicules; different sex ratio (1:2 in Polish population vs 1:1 in the type-population) and somewhat less expanded lips...
February 10, 2017: Systematic Parasitology
https://www.readbyqxmd.com/read/28160759/five-herbs-plus-thiamine-reduce-pain-and-improve-functional-mobility-in-patients-with-pain-a-pilot-study
#2
Robert Hedaya
: Context • Five herbs-Urtica dioica (stinging nettle), Boswellia serrata, Equisetum arvense, Allium sativum, and Apium graveolens-have been demonstrated to have activity at several anti-inflammatory pathways and have analgesic properties that are effective in treating chronic musculoskeletal pain. Objectives • The study intended to evaluate the clinical efficacy of a proprietary blend of U dioica, B serrata, E arvense, A sativum, A graveolens, and thiamine (vitamin B1), or "the blend," in the treatment of chronic musculoskeletal pain...
January 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28158779/maintaining-the-feelings-of-others-in-working-memory-is-associated-with-activation-of-the-left-anterior-insula-and-left-frontal-parietal-control-network
#3
Ryan Smith, Richard D Lane, Anna Alkozei, Jennifer Bao, Courtney Smith, Anna Sanova, Matthew Nettles, William D S Killgore
No abstract text is available yet for this article.
February 1, 2017: Social Cognitive and Affective Neuroscience
https://www.readbyqxmd.com/read/28142266/inflammatory-microenvironment-persists-after-bone-healing-in-intra-articular-ankle-fractures
#4
Samuel B Adams, Elizabeth M Leimer, Lori A Setton, Richard D Bell, Mark E Easley, Janet L Huebner, Thomas V Stabler, Virginia B Kraus, Steven A Olson, Dana L Nettles
BACKGROUND: Post-traumatic osteoarthritis (PTOA) is responsible for the majority of cases of ankle arthritis. While acute and end-stage intra-articular inflammation has previously been described, the state of the joint between fracture healing and end-stage PTOA remains undefined. This study characterized synovial fluid (SF) composition of ankles after bone healing of an intra-articular fracture to identify factors that may contribute to the development of PTOA. METHODS: Of an original 21 patients whose SF was characterized acutely following intra-articular ankle fractures, 7 returned for planned hardware (syndesmotic screw) removal after bone healing (approximately 6 months) and consented to a second bilateral SF collection...
January 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28130227/unrealistic-phylogenetic-trees-may-improve-phylogenetic-footprinting
#5
Martin Nettling, Hendrik Treutler, Jesus Cerquides, Ivo Grosse
MOTIVATION: The computational investigation of DNA binding motifs from binding sites is one of the classic tasks in bioinformatics and a prerequisite for understanding gene regulation as a whole. Due to the development of sequencing technologies and the increasing number of available genomes, approaches based on phylogenetic footprinting become increasingly attractive. Phylogenetic footprinting requires phylogenetic trees with attached substitution probabilities for quantifying the evolution of binding sites, but these trees and substitution probabilities are typically not known and cannot be estimated easily...
January 27, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28094324/early-life-adversity-accelerates-cellular-ageing-and-affects-adult-inflammation-experimental-evidence-from-the-european-starling
#6
Daniel Nettle, Clare Andrews, Sophie Reichert, Tom Bedford, Claire Kolenda, Craig Parker, Carmen Martin-Ruiz, Pat Monaghan, Melissa Bateson
Early-life adversity is associated with accelerated cellular ageing during development and increased inflammation during adulthood. However, human studies can only establish correlation, not causation, and existing experimental animal approaches alter multiple components of early-life adversity simultaneously. We developed a novel hand-rearing paradigm in European starling nestlings (Sturnus vulgaris), in which we separately manipulated nutritional shortfall and begging effort for a period of 10 days. The experimental treatments accelerated erythrocyte telomere attrition and increased DNA damage measured in the juvenile period...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28087322/cutaneous-exposure-to-vesicant-phosgene-oxime-acute-effects-on-the-skin-and-systemic-toxicity
#7
Neera Tewari-Singh, Dinesh G Goswami, Rama Kant, Claire R Croutch, Robert P Casillas, David J Orlicky, Rajesh Agarwal
Phosgene Oxime (CX), an urticant or nettle agent categorized as a vesicant, is a potential chemical warfare and terrorist weapon. Its exposure can result in widespread and devastating effects including high mortality due to its fast penetration and ability to cause immediate severe cutaneous injury. It is one of the least studied chemical warfare agents with no effective therapy available. Thus, our goal was to examine the acute effects of CX following its cutaneous exposure in SKH-1 hairless mice to help establish a relevant injury model...
January 11, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28073390/the-behavioural-constellation-of-deprivation-causes-and-consequences
#8
Gillian V Pepper, Daniel Nettle
Socioeconomic differences in behaviour are pervasive and well documented, but their causes are not yet well understood. Here, we make the case that there is a cluster of behaviours associated with lower socioeconomic status, which we call the behavioural constellation of deprivation. We propose that the relatively limited control associated with lower socioeconomic status curtails the extent to which people can expect to realise deferred rewards, leading to more present-oriented behaviour in a range of domains...
January 11, 2017: Behavioral and Brain Sciences
https://www.readbyqxmd.com/read/28072579/development-of-advanced-signal-processing-and-source-imaging-methods-for-superparamagnetic-relaxometry
#9
Ming-Xiong Huang, Bill Anderson, Charles W Huang, Gerd J Kunde, Erika C Vreeland, Jeffrey W Huang, Andrei N Matlashov, Todor Karaulanov, Christopher P Nettles, Andrew Gomez, Kayla Minser, Caroline Weldon, Giulio Paciotti, Michael Harsh, Roland R Lee, Edward R Flynn
Superparamagnetic relaxometry (SPMR) is a highly sensitive technique for the in vivo detection of tumor cells and may improve early stage detection of cancers. SPMR employs superparamagnetic iron oxide nanoparticles (SPION). After a brief magnetizing pulse is used to align the SPION, SPMR measures the time decay of SPION using super-conducting quantum interference device (SQUID) sensors. Substantial research has been carried out in developing the SQUID hardware and in improving the properties of the SPION. However, little research has been done in the pre-processing of sensor signals and post-processing source modeling in SPMR...
February 7, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28070327/nutritional-antioxidative-and-antimicrobial-analysis-of-the-mediterranean-hackberry-celtis-australis-l
#10
Ajda Ota, Ana Miklavčič Višnjevec, Rajko Vidrih, Željko Prgomet, Marijan Nečemer, Janez Hribar, Nina Gunde Cimerman, Sonja Smole Možina, Milena Bučar-Miklavčič, Nataša Poklar Ulrih
Celtis australis is a deciduous tree commonly known as Mediterranean hackberry or the European nettle tree. The fruit of hackberry are seldom used for nutritional purposes. The nutritional and physicochemical properties of ripe hackberry fruit from Istria (Marasi village near Vrsar, Croatia) were determined, including water, total fiber, protein, vitamin, mineral, and phenolic contents. This analysis demonstrates that the hackberry fruit is a valuable source of dietary fiber, protein, and vitamins, and of pigments such as lutein, β-carotene, zeaxanthin, and tocopherols...
January 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28063268/evaluation-of-the-quality-of-herbal-teas-by-dart-tof-ms
#11
Jana Prchalová, František Kovařík, Aleš Rajchl
The paper focuses on the optimization, settings and validation of direct analysis in real time (DART) coupled with time of flight detector (TOF) when used for the evaluation of the quality of selected herbal teas (fennel, chamomile, nettle, linden, peppermint, thyme, lemon balm, marigold, sage, rose hip, St. John's Wort). The ionization mode, the optimal ionization temperature and the type of solvent for sample extraction were optimized. The characteristic compounds of the analysed herbal teas (glycosides, flavonoids, phenolic and terpenic substances, such as chamazulene, anethole, menthol, thymol, salviol, hypericin etc...
January 7, 2017: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/28046007/substrates-and-inhibitors-of-samhd1
#12
Joseph A Hollenbaugh, Jadd Shelton, Sijia Tao, Sheida Amiralaei, Peng Liu, Xiao Lu, Russell W Goetze, Longhu Zhou, James H Nettles, Raymond F Schinazi, Baek Kim
SAMHD1 hydrolyzes 2'-deoxynucleoside-5'-triphosphates (dNTPs) into 2'-deoxynucleosides and inorganic triphosphate products. In this paper, we evaluated the impact of 2' sugar moiety substitution for different nucleotides on being substrates for SAMHD1 and mechanisms of actions for the results. We found that dNTPs ((2'R)-2'-H) are only permissive in the catalytic site of SAMHD1 due to L150 exclusion of (2'R)-2'-F and (2'R)-2'-OH nucleotides. However, arabinose ((2'S)-2'-OH) nucleoside-5'-triphosphates analogs are permissive to bind in the catalytic site and be hydrolyzed by SAMHD1...
2017: PloS One
https://www.readbyqxmd.com/read/28042045/systems-structural-biology-analysis-of-ligand-effects-on-er%C3%AE-predicts-cellular-response-to-environmental-estrogens-and-anti-hormone-therapies
#13
Jerome C Nwachukwu, Sathish Srinivasan, Nelson E Bruno, Jason Nowak, Nicholas J Wright, Filippo Minutolo, Erumbi S Rangarajan, Tina Izard, Xin-Qui Yao, Barry J Grant, Douglas J Kojetin, Olivier Elemento, John A Katzenellenbogen, Kendall W Nettles
Environmental estrogens and anti-hormone therapies for breast cancer have diverse tissue- and signaling-pathway-selective outcomes, but how estrogen receptor alpha (ERα) mediates this phenotypic diversity is poorly understood. We implemented a statistical approach to allow unbiased, parallel analyses of multiple crystal structures, and identified subtle perturbations of ERα structure by different synthetic and environmental estrogens. Many of these perturbations were in the sub-Å range, within the noise of the individual structures, but contributed significantly to the activities of synthetic and environmental estrogens...
January 19, 2017: Cell Chemical Biology
https://www.readbyqxmd.com/read/28032978/exploring-the-structural-compliancy-versus-specificity-of-the-estrogen-receptor-using-isomeric-three-dimensional-ligands
#14
Naina Sharma, Kathryn E Carlson, Jerome C Nwachukwu, Sathish Srinivasan, Abhishek Sharma, Kendall W Nettles, John A Katzenellenbogen
The estrogen receptors (ERs) bind with high affinity to many structurally diverse ligands by significantly distorting the contours of their ligand-binding pockets. This raises a question: To what degree is ER able to distinguish between structurally related regioisomers and enantiomers? We have explored the structural compliance and specificity of ERα with a set of ligands having a 7-oxa-bicyclo[2.2.1]hept-5-ene sulfonate core and basic side chains typical of selective ER modulators (SERMs). These ligands have two regioisomers, each of which is a racemate of enantiomers...
February 17, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/28025297/temperature-dependence-of-ice-on-rock-friction-at-realistic-glacier-conditions
#15
C McCarthy, H Savage, M Nettles
Using a new biaxial friction apparatus, we conducted experiments of ice-on-rock friction in order to better understand basal sliding of glaciers and ice streams. A series of velocity-stepping and slide-hold-slide tests were conducted to measure friction and healing at temperatures between -20°C and melting. Experimental conditions in this study are comparable to subglacial temperatures, sliding rates and effective pressures of Antarctic ice streams and other glaciers, with load-point velocities ranging from 0...
February 13, 2017: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/28019715/experiences-of-mental-health-services-for-black-men-with-schizophrenia-and-a-history-of-disengagement-a-qualitative-study
#16
Christopher Wagstaff, Hermine Graham, Derek Farrell, Michael Larkin, Mary Nettle
Whilst mental disorders can be disabling they are also treatable, yet engagement with services is often poor and disengagement from treatment is a major concern for mental health nurses. Participants were service users typically perceived as the most disengaged from mental health services, yet they were willing to engage in the research interviews. The seven participants were all male with a diagnosis of schizophrenia, a history of disengagement from mental health services and described their ethnicity as 'black'...
December 26, 2016: International Journal of Mental Health Nursing
https://www.readbyqxmd.com/read/28000091/physicochemical-parameters-and-antioxidant-activity-of-bee-honey-enriched-with-herbs
#17
Małgorzata Dżugan, Patrycja Sowa, Monika Kwaśniewska, Monika Wesołowska, Maria Czernicka
Three groups of products enriched with herbs were studied: (1) commercial herb honeys (n = 5) produced by bees fed a syrup with an herbal extract, (2) natural herbal honey (n = 3) produced by bees from the nectar of herbs, and (3) creamed multifloral honey with added dried herbs (n = 5). As a control, multifloral honey (n = 5) was used. The physicochemical parameters (i.e., sugar extract, water content, specific rotation, conductivity, hydroxymethylfurfural content, pH and acidity), sugar profiles (HPLC analysis), antioxidant activity and total phenolic compounds content of the studied samples were compared...
December 20, 2016: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/27943596/the-telomere-lengthening-conundrum-it-could-be-biology
#18
Melissa Bateson, Daniel Nettle
Longitudinal studies of human leucocyte telomere length often report a percentage of individuals whose telomeres appear to lengthen. However, based on theoretical considerations and empirical data, Steenstrup et al. (Nucleic Acids Research, 2013, vol 41(13): e131) concluded that this lengthening is unlikely to be a real biological phenomenon and is more likely to be an artefact of measurement error. We dispute the logic underlying this claim. We argue that Steenstrup et al.'s analysis is incomplete because it failed to compare predictions derived from assuming a scenario with no true telomere lengthening with alternative scenarios in which true lengthening occurs...
December 12, 2016: Aging Cell
https://www.readbyqxmd.com/read/27932918/salix-transect-of-europe-variation-in-ploidy-and-genome-size-in-willow-associated-common-nettle-urtica-dioica-l-sens-lat-from-greece-to-arctic-norway
#19
Quentin Cronk, Oriane Hidalgo, Jaume Pellicer, Diana Percy, Ilia J Leitch
BACKGROUND: The common stinging nettle, Urtica dioica L. sensu lato, is an invertebrate "superhost", its clonal patches maintaining large populations of insects and molluscs. It is extremely widespread in Europe and highly variable, and two ploidy levels (diploid and tetraploid) are known. However, geographical patterns in cytotype variation require further study. NEW INFORMATION: We assembled a collection of nettles in conjunction with a transect of Europe from the Aegean to Arctic Norway (primarily conducted to examine the diversity of Salix and Salix-associated insects)...
2016: Biodiversity Data Journal
https://www.readbyqxmd.com/read/27930707/native-phytoremediation-potential-of-urtica-dioica-for-removal-of-pcbs-and-heavy-metals-can-be-improved-by-genetic-manipulations-using-constitutive-camv-35s-promoter
#20
Jitka Viktorova, Zuzana Jandova, Michaela Madlenakova, Petra Prouzova, Vilem Bartunek, Blanka Vrchotova, Petra Lovecka, Lucie Musilova, Tomas Macek
Although stinging nettle (Urtica dioica) has been shown to reduce HM (heavy metal) content in soil, its wider phytoremediation potential has been neglected. Urtica dioica was cultivated in soils contaminated with HMs or polychlorinated biphenyls (PCBs). After four months, up to 33% of the less chlorinated biphenyls and 8% of HMs (Zn, Pb, Cd) had been removed. Bacteria were isolated from the plant tissue, with the endophytic bacteria Bacillus shackletonii and Streptomyces badius shown to have the most significant effect...
2016: PloS One
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