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https://www.readbyqxmd.com/read/28230048/differential-regulation-of-the-epr3-receptor-coordinates-membrane-restricted-rhizobial-colonization-of-root-nodule-primordia
#1
Yasuyuki Kawaharada, Mette W Nielsen, Simon Kelly, Euan K James, Kasper R Andersen, Sheena R Rasmussen, Winnie Füchtbauer, Lene H Madsen, Anne B Heckmann, Simona Radutoiu, Jens Stougaard
In Lotus japonicus, a LysM receptor kinase, EPR3, distinguishes compatible and incompatible rhizobial exopolysaccharides at the epidermis. However, the role of this recognition system in bacterial colonization of the root interior is unknown. Here we show that EPR3 advances the intracellular infection mechanism that mediates infection thread invasion of the root cortex and nodule primordia. At the cellular level, Epr3 expression delineates progression of infection threads into nodule primordia and cortical infection thread formation is impaired in epr3 mutants...
February 23, 2017: Nature Communications
https://www.readbyqxmd.com/read/28225113/solvent-controlled-reversible-switching-between-adsorbed-self-assembled-nanoribbons-and-nanotubes
#2
Asad Jamal, Irina Nyrkova, Philippe Mesini, Swann Militzer, Günter Reiter
We have demonstrated that solutions of 3,5-bis-(5-hexylcarbamoylpentyloxy)-benzoic acid decyl ester (BHPB-10) can form metastable nanostructures on solid substrates and in the bulk. BHPB-10 is an achiral molecule involving several distinct, strongly interacting groups (SIGs), one aromatic-ester ring and two amide groups per molecule. Specific solvents affect the interactions between particular SIGs, thus promoting various nano-structures: lamellae, nanoribbons, helical ribbons, or nanotubes. In cyclohexane, a solvent allowing for both inter-amide hydrogen bonds and mutual attraction of rings, the formation of nanotubes with a diameter of 28 ± 5 nm was observed in the bulk and on surfaces...
February 22, 2017: Nanoscale
https://www.readbyqxmd.com/read/28218617/chimeric-protein-repair-of-laminin-polymerization-ameliorates-muscular-dystrophy-phenotype
#3
Karen K McKee, Stephanie C Crosson, Sarina Meinen, Judith R Reinhard, Markus A Rüegg, Peter D Yurchenco
Mutations in laminin α2-subunit (Lmα2, encoded by LAMA2) are linked to approximately 30% of congenital muscular dystrophy cases. Mice with a homozygous mutation in Lama2 (dy2J mice) express a nonpolymerizing form of laminin-211 (Lm211) and are a model for ambulatory-type Lmα2-deficient muscular dystrophy. Here, we developed transgenic dy2J mice with muscle-specific expression of αLNNd, a laminin/nidogen chimeric protein that provides a missing polymerization domain. Muscle-specific expression of αLNNd in dy2J mice resulted in strong amelioration of the dystrophic phenotype, manifested by the prevention of fibrosis and restoration of forelimb grip strength...
February 20, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28217515/reported-hypoglycemia-in-type-2-diabetes-mellitus-patients-prevalence-and-practices-a-hospital-based-study
#4
Vanishree Shriraam, Shriraam Mahadevan, M Anitharani, Nalini Sirala Jagadeesh, Sreelekha Bhaskara Kurup, T A Vidya, Krishna G Seshadri
INTRODUCTION: Hypoglycemia tops the list of hurdles in preventing tight glycemic control in diabetic patients. It is even considered as a cardiovascular risk factor. However, it continues to be a neglected complication with very limited epidemiological data in our country. AIM: To study the self-reported prevalence of hypoglycemia among type 2 diabetic patients and the practices adopted by them during and after the episodes to manage and avert future occurrences...
January 2017: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28215212/dietary-fat-and-physiological-determinants-of-plasma-chylomicron-remnant-homoeostasis-in-normolipidaemic-subjects-insight-into-atherogenic-risk
#5
Deasy Irawati, John C L Mamo, Karin M Slivkoff-Clark, Mario J Soares, Anthony P James
TAG depleted remnants of postprandial chylomicrons are a risk factor for atherosclerosis. Recent studies have demonstrated that in the fasted state, the majority of chylomicrons are small enough for transcytosis to arterial subendothelial space and accelerate atherogenesis. However, the size distribution of chylomicrons in the absorptive state is unclear. This study explored in normolipidaemic subjects the postprandial distribution of the chylomicron marker, apoB-48, in a TAG-rich lipoprotein plasma fraction (Svedberg flotation rate (Sf>400), in partially hydrolysed remnants (Sf 20-400) and in a TAG-deplete fraction (Sf<20), following ingestion of isoenergetic meals with either palm oil (PO), rice bran or coconut oil...
February 20, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28213968/utilizing-melatonin-to-combat-bacterial-infections-and-septic-injury
#6
REVIEW
Wei Hu, Chao Deng, Zhiqiang Ma, Dongjin Wang, Chongxi Fan, Tian Li, Shouyin Di, Bing Gong, Russel J Reiter, Yang Yang
No abstract text is available yet for this article.
February 18, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28212404/the-pineal-gland-a-model-for-adrenergic-modulation-of-ubiquitin-ligases
#7
Jerry Vriend, Wenjun Liu, Russel J Reiter
INTRODUCTION: A recent study of the pineal gland of the rat found that the expression of more than 3000 genes showed significant day/night variations (The Hartley dataset). The investigators of this report made available a supplemental table in which they tabulated the expression of many genes that they did not discuss, including those coding for components of the ubiquitin proteasome system. Herein we identify the genes of the ubiquitin proteasome system whose expression were significantly influenced by environmental lighting in the Hartley dataset, those that were stimulated by DBcAMP in pineal glands in culture, and those that were stimulated by norepinephrine...
2017: PloS One
https://www.readbyqxmd.com/read/28209658/relevance-of-id3-tcf3-ccnd3-pathway-mutations-in-pediatric-aggressive-b-cell-lymphoma-treated-according-to-the-nhl-bfm-protocols
#8
Marius Rohde, Bettina R Bonn, Martin Zimmermann, Jonas Lange, Anja Möricke, Wolfram Klapper, Ilske Oschlies, Monika Szczepanowski, Inga Nagel, Martin Schrappe, Markus Loeffler, Reiner Siebert, Alfred Reiter, Birgit Burkhardt
Mature B-cell Non-Hodgkin lymphoma is the most common subtype of Non-Hodgkin lymphoma in childhood and adolescence. B-cell Non-Hodgkin lymphoma are further classified into histological subtypes, with Burkitt lymphoma and Diffuse large B-cell lymphoma being the most common subgroups in pediatric patients. Translocations involving the MYC oncogene are known as relevant but not sufficient hit for Burkitt lymphoma pathogenesis. Recently published large-scale next-generation sequencing studies unveiled sets of additional recurrently mutated genes in samples of pediatric and adult B-cell Non-Hodgkin lymphoma patients...
February 16, 2017: Haematologica
https://www.readbyqxmd.com/read/28205144/recommended-best-practices-for-process-monitoring-instrumentation-in-pharmaceutical-freeze-drying-2017
#9
Steven Nail, Serguei Tchessalov, Evgenyi Shalaev, Arnab Ganguly, Ernesto Renzi, Frank Dimarco, Lindsay Wegiel, Steven Ferris, William Kessler, Michael Pikal, Greg Sacha, Alina Alexeenko, T N Thompson, Cindy Reiter, James Searles, Paul Coiteux
Recommended best practices in monitoring of product status during pharmaceutical freeze drying are presented, focusing on methods that apply to both laboratory and production scale. With respect to product temperature measurement, sources of uncertainty associated with any type of measurement probe are discussed, as well as important differences between the two most common types of temperature-measuring instruments-thermocouples and resistance temperature detectors (RTD). Two types of pressure transducers are discussed-thermal conductivity-type gauges and capacitance manometers, with the Pirani gauge being the thermal conductivity-type gauge of choice...
February 15, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28201949/evaluating-efficacy-of-current-lung-cancer-screening-guidelines
#10
Barbara Nemesure, April Plank, Lisa Reagan, Denise Albano, Michael Reiter, Thomas V Bilfinger
Objective Current lung cancer screening criteria based primarily on outcomes from the National Lung Screening Trial may not adequately capture all subgroups of the population at risk. We aimed to evaluate the efficacy of lung cancer screening criteria recommended by the United States Preventive Services Task Force, Centers for Medicare and Medicaid Services, and the National Comprehensive Cancer Network in identifying known cases of lung cancer. Methods An investigation of the Stony Brook Cancer Center Lung Cancer Evaluation Center's database identified 1207 eligible, biopsy-proven lung cancer cases diagnosed between January 1996 and March 2016...
January 1, 2017: Journal of Medical Screening
https://www.readbyqxmd.com/read/28198077/translation-strategies-contradiction-and-the-theory-of-social-representations-why-discussing-needles-may-improve-blood-donor-retention
#11
Gail Moloney, Jane Hayman, Marguerite Gamble, Geoff Smith, Rob Hall
Retaining blood donors is a cost-effective way of ensuring a safe blood supply, yet despite the plethora of research, only 5.1% of the eligible population in Australia donate blood and 40% of these do not make a second donation. We offer an alternative to traditional approaches by conceptualizing blood donation within social representations theory as socially derived symbolic knowledge with a specific focus on cognitive polyphasia and Guimelli's (1998) normative and functional dimensions. An online survey, completed by 703 residents from NSW Australia, comprised a blood donation word association task, Likert-style questions constructed from previous word association data and contextualized blood donation statements...
February 15, 2017: British Journal of Social Psychology
https://www.readbyqxmd.com/read/28195847/trends-in-the-mohs-surgery-literature-1994-2013
#12
Ruben Kershenovich, Lihi Atzmony, Ofer Reiter, Moshe Lapidoth, Daniel Mimouni, Moshe Lapidoth, Daniel Mimouni
No abstract text is available yet for this article.
February 9, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28193151/extraction-of-ultrashort-dna-molecules-from-herbarium-specimens
#13
Rafal M Gutaker, Ella Reiter, Anja Furtwängler, Verena J Schuenemann, Hernán A Burbano
DNA extracted from herbarium specimens is highly fragmented; therefore, it is crucial to use extraction protocols that retrieve short DNA molecules. Improvements in extraction and DNA library preparation protocols for animal remains have allowed efficient retrieval of molecules shorter than 50 bp. Here, we applied these improvements to DNA extraction protocols for herbarium specimens and evaluated extraction performance by shotgun sequencing, which allows an accurate estimation of the distribution of DNA fragment lengths...
February 1, 2017: BioTechniques
https://www.readbyqxmd.com/read/28188377/-neuroendocrine-neoplasia-of-the-stomach-what-is-new
#14
T Knösel, C Reiter, G Schubert-Fritschle, A Altendorf-Hofmann, T Kirchner
INTRODUCTION: Neuroendocrine Neoplasms are classified according to the new WHO classification in (1.) well differentiated neuroendocrine tumors G1 (NET G1, Ki67 ≤ 2 or mitosis count <2) and (2.) well differentiated neuroendocrine tumors G2 (NET G2, Ki67 3-20 or mitosis count 2-20) and (3.) poorly differentiated neuroendocrine carcinomas G3 (NEC G3, Ki67 > 20 or mitosis count >20). MATERIAL AND METHODS: In this study 310 NENs of the Ludwig-Maximilians-University in Munich were reevaluated according to the new WHO classification...
February 10, 2017: Der Pathologe
https://www.readbyqxmd.com/read/28187042/can-methicillin-resistant-staphylococcus-aureus-silently-travel-from-the-gut-to-the-wound-and-cause-postoperative-infection-modeling-the-trojan-horse-hypothesis
#15
Monika A Krezalek, Sanjiv Hyoju, Alexander Zaborin, Emeka Okafor, Laxmi Chandrasekar, Vitas Bindokas, Kristina Guyton, Christopher P Montgomery, Robert S Daum, Olga Zaborina, Susan Boyle-Vavra, John C Alverdy
OBJECTIVE: To determine whether intestinal colonization with methicillin-resistant Staphylococcus aureus (MRSA) can be the source of surgical site infections (SSIs). BACKGROUND: We hypothesized that gut-derived MRSA may cause SSIs via mechanisms in which circulating immune cells scavenge MRSA from the gut, home to surgical wounds, and cause infection (Trojan Horse Hypothesis). METHODS: MRSA gut colonization was achieved by disrupting the microbiota with antibiotics, imposing a period of starvation and introducing MRSA via gavage...
February 9, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28185109/further-evaluation-of-associations-between-reactive-and-proactive-aggression-and-suicidal-behavior-in-a-treatment-seeking-sample-of-youth
#16
Paula J Fite, Jonathan Poquiz, Andrew L Frazer, Nicholas Reiter
This study examined associations between reactive and proactive functions of aggression and suicidal behavior in a sample of outpatient treatment seeking youth (n = 111, 60.5% male) ranging from 6 to 17 years of age (Mean age = 10.57 years). Additionally, hope was evaluated as a moderator of these associations. Child reports of measures were used to evaluate associations. When also considering the variance associated with child depressive symptoms and hope, reactive, but not proactive, aggression was uniquely associated with suicidal behavior...
February 10, 2017: Child Psychiatry and Human Development
https://www.readbyqxmd.com/read/28181388/muscle-strength-mediates-the-relationship-between-mitochondrial-energetics-and-walking-performance
#17
Ariel C Zane, David A Reiter, Michelle Shardell, Donnie Cameron, Eleanor M Simonsick, Kenneth W Fishbein, Stephanie A Studenski, Richard G Spencer, Luigi Ferrucci
Skeletal muscle mitochondrial oxidative capacity declines with age and negatively affects walking performance, but the mechanism for this association is not fully clear. We tested the hypothesis that impaired oxidative capacity affects muscle performance and, through this mechanism, has a negative effect on walking speed. Muscle mitochondrial oxidative capacity was measured by in vivo phosphorus magnetic resonance spectroscopy as the postexercise phosphocreatine resynthesis rate, kPCr , in 326 participants (154 men), aged 24-97 years (mean 71), in the Baltimore Longitudinal Study of Aging...
February 9, 2017: Aging Cell
https://www.readbyqxmd.com/read/28181357/post-embryonic-fish-brain-proliferation-zones-exhibit-neuroepithelial-type-gene-expression-profile
#18
E Dambroise, M Simion, T Bourquard, S Bouffard, B Rizzi, Y Jaszczyszyn, M Bourge, P Affaticati, A Heuzé, J Jouralet, J Edouard, S Brown, C Thermes, A Poupon, E Reiter, F Sohm, F Bourrat, J-S Joly
In mammals, neuroepithelial cells play an essential role in embryonic neurogenesis, whereas glial stem cells are the principal source of neurons at post-embryonic stages. By contrast, neuroepithelial-like stem/progenitor (NE) cells have been shown to be present throughout life in teleosts. We used 3-dimensional (3D) reconstructions of cleared transgenic wdr12:GFP medaka brains to demonstrate that this cell type is widespread in juvenile and to identify new regions containing NE cells. We established the gene expression profile of optic tectum (OT) NE cells by cell sorting followed by RNA-seq...
February 9, 2017: Stem Cells
https://www.readbyqxmd.com/read/28180940/in-stent-restenosis-after-interventional-treatment-of-carotid-artery-stenoses-a-long-term-follow-up-of-a-single-center-cohort
#19
J Kammler, H Blessberger, T Lambert, J Kellermair, M Grund, A Nahler, M Lichtenauer, S Schwarz, C Reiter, C Steinwender, A Kypta
BACKGROUND: Whereas in-stent restenosis (ISR) is widely discussed after coronary stenting procedures, this phenomenon is a considerable problem after interventional treatment of carotid artery stenosis as well. We sought to quantify ISR rate and to identify important respective risk factors in our cohort. METHODS: We retrospectively analyzed data of our carotid artery stenting database comprising 1165 angiographically successful interventional procedures during the last 19 years...
February 8, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28179912/a-simple-rapid-method-for-determination-of-melatonin-in-plant-tissues-by-uplc-coupled-with-high-resolution-orbitrap-mass-spectrometry
#20
Tiantian Ye, Yan-Hong Hao, Lei Yu, Haitao Shi, Russel J Reiter, Yu-Qi Feng
Melatonin (MLT) was involved in regulating various stages of plant growth and development. However, due to the low concentration and complex matrixes of plant, the analysis of MLT is a challenging task. In this study, we developed a rapid and efficient method with simplified sample preparation by employing UPLC coupled with a high resolution Orbitrap mass spectrometry, and stable isotope-labeled MLT (MLT-d4) was first used as internal standard in the developed analytical method. In the developed method, we used one-step liquid-liquid extraction to purify the crude extracts both from shoot and root of rice for the analysis, which remarkably simplify the sample preparation process...
2017: Frontiers in Plant Science
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