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https://www.readbyqxmd.com/read/28821876/transcriptomic-biochemical-and-physio-anatomical-investigations-shed-more-light-on-responses-to-drought-stress-in-two-contrasting-sesame-genotypes
#1
Komivi Dossa, Donghua Li, Linhai Wang, Xiaomin Zheng, Aili Liu, Jingyin Yu, Xin Wei, Rong Zhou, Daniel Fonceka, Diaga Diouf, Boshou Liao, Ndiaga Cissé, Xiurong Zhang
Sesame is an important oilseed crop with a high oil quality. It is prone to drought stress in the arid and semi-arid areas where it is widely grown. This study aims to decipher the response of tolerant (DT) and sensitive (DS) genotypes to progressive drought based on transcriptome, biochemical and physio-anatomical characterizations. Results indicated that under severe stress, DT relied on a well-functioning taproot while DS displayed a disintegrated root due to collapsed cortical cells. This was attributed to a higher accumulation of osmoprotectants and strong activity of antioxidant enzymes especially peroxidases in DT...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28819320/genome-wide-identification-and-expression-analysis-of-e2-ubiquitin-conjugating-enzymes-in-tomato
#2
Bhaskar Sharma, Tarun Kumar Bhatt
The ubiquitin-proteasomal degradation mechanism has gained the attention over the past decade. The E2 ubiquitin conjugating enzymes are the crucial part of ubiquitination mechanism and they are believed to hold imperative association for plant development. It accepts ubiquitin from the E1 enzyme and interacts with the E3 ligase to transfer ubiquitin or directly transfers ubiquitin to the substrate. The functional aspects of E2 ubiquitin enzymes in plant systems are unclear. Tomato is being used as a model plant and rarely explored to study E2 ubiquitin enzyme...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28819285/phosphorylation-of-sos1-on-tyrosine-1196-promotes-its-rac-gef-activity-and-contributes-to-bcr-abl-leukemogenesis
#3
S Gerboth, E Frittoli, A Palamidessi, F C Baltanas, S Mogjiborahman, J Rappsilber, C Giuliani, F Troglio, Y Rolland, G Pruneri, S Kreutmair, I Pallavicini, M Zobel, M Cinquanta, S Minucci, C Gomez, E Santos, A L Illert, G Scita
Son of Sevenless 1 (SOS1) is a dual guanine nucleotide exchange factor (GEF) that activates the small GTPases RAC and RAS. While the molecular mechanisms of RAS GEF catalysis have been unveiled, how SOS1 acquires RAC GEF activity and what is the physio-pathological relevance of this activity is much less understood. Here, we show that SOS1 is tyrosine phosphorylated on Y1196 by ABL. Phosphorylation of Y1196 controls SOS1 inter-molecular interaction, is required to promote the exchange of nucleotides on RAC in vitro, and for PDGF activation of RAC and RAC-dependent actin remodeling and cell migration...
August 18, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28813784/longitudinal-high-density-emg-classification-case-study-in-a-glenohumeral-tmr-subject
#4
Meike A Schweisfurth, Jennifer Ernst, Ivan Vujaklija, Arndt F Schilling, Dario Farina, Oskar C Aszmann, Gunther Felmerer
Targeted muscle reinnervation (TMR) represents a breakthrough interface for prosthetic control in high-level upper-limb amputees. However, clinically, it is still limited to the direct motion-wise control restricted by the number of reinnervation sites. Pattern recognition may overcome this limitation. Previous studies on EMG classification in TMR patients experienced with myocontrol have shown greater accuracy when using high-density (HD) recordings compared to conventional single-channel derivations. This case study investigates the potential of HD-EMG classification longitudinally over a period of 17 months post-surgery in a glenohumeral amputee...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28791582/physiological-mitral-annular-dynamics-preserved-after-ring-annuloplasty-in-mid-term-period
#5
Masaaki Ryomoto, Masataka Mitsuno, Mitsuhiro Yamamura, Hiroe Tanaka, Naosumi Sekiya, Hisashi Uemura, Ayaka Sato, Daisuke Ueda, Yuji Miyamoto
OBJECTIVE: Mitral annular structure and dynamics after mitral ring annuloplasty using transesophageal echocardiography during the operation have been reported. We evaluated mitral annular structure and dynamics of three different rings in the mid-term period postoperatively. METHODS: Thirty-one patients underwent mitral valve repair for degenerative mitral insufficiency. The MEMO 3D ring (semi-flexible), Carpentier-Edwards Physio II ring (semi-rigid), and St. Jude Medical Rigid Saddle Ring (rigid) were implanted in 15, 12, and eight patients, respectively, from September 2009 to February 2015...
August 8, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28773134/effect-of-starch-loading-on-the-thermo-mechanical-and-morphological-properties-of-polyurethane-composites
#6
Tayser Sumer Gaaz, Abu Bakar Sulong, M N M Ansari, Abdul Amir H Kadhum, Ahmed A Al-Amiery, Mohamed H Nassir
The advancements in material science and technology have made polyurethane (PU) one of the most important renewable polymers. Enhancing the physio-chemical and mechanical properties of PU has become the theme of this and many other studies. One of these enhancements was carried out by adding starch to PU to form new renewable materials called polyurethane-starch composites (PUS). In this study, PUS composites are prepared by adding starch at 0.5, 1.0, 1.5, and 2.0 wt.% to a PU matrix. The mechanical, thermal, and morphological properties of PU and PUS composites were investigated...
July 10, 2017: Materials
https://www.readbyqxmd.com/read/28740440/haphop-physio-a-computer-game-to-support-cognitive-therapies-in-children
#7
Carolina Rico-Olarte, Diego M López, Santiago Narváez, Charic D Farinango, Peter S Pharow
BACKGROUND: Care and support of children with physical or mental disabilities are accompanied with serious concerns for parents, families, healthcare institutions, schools, and their communities. Recent studies and technological innovations have demonstrated the feasibility of providing therapy and rehabilitation services to children supported by computer games. OBJECTIVE: The aim of this paper is to present HapHop-Physio, an innovative computer game that combines exercise with fun and learning, developed to support cognitive therapies in children...
2017: Psychology Research and Behavior Management
https://www.readbyqxmd.com/read/28728784/mitral-annuloplasty-ring-suture-forces-impact-of-surgeon-ring-and-use-conditions
#8
Eric L Pierce, Charles H Bloodworth, Andrew W Siefert, Thomas F Easley, Tetsushi Takayama, Tomonori Kawamura, Robert C Gorman, Joseph H Gorman, Ajit P Yoganathan
OBJECTIVE: The study objective was to quantify the effect of ring type, ring-annulus sizing, suture position, and surgeon on the forces required to tie down and constrain a mitral annuloplasty ring to a beating heart. METHODS: Physio (Edwards Lifesciences, Irvine, Calif) or Profile 3D (Medtronic, Dublin, Ireland) annuloplasty rings were instrumented with suture force transducers and implanted in ovine subjects (N = 23). Tie-down forces and cyclic contractile forces were recorded and analyzed at 10 suture positions and at 3 levels of increasing peak left ventricular pressure...
June 21, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28719808/activated-neuro-oxidative-and-neuro-nitrosative-pathways-at-the-end-of-term-are-associated-with-inflammation-and-physio-somatic-and-depression-symptoms-while-predicting-outcome-characteristics-in-mother-and-baby
#9
Chutima Roomruangwong, Decio Sabbatini Barbosa, Andressa Keiko Matsumoto, André de Souza Nogueira, Buranee Kanchanatawan, Sunee Sirivichayakul, André F Carvalho, Sebastien Duleu, Michel Geffard, Estefania Gastaldello Moreira, Michael Maes
OBJECTIVES: To examine oxidative & nitrosative stress (O&NS) biomarkers at the end of term in relation to perinatal affective symptoms, neuro-immune biomarkers and pregnancy-related outcome variables. METHODS: We measured plasma advanced oxidation protein products (AOPP), nitric oxide metabolites (NOx), total radical trapping antioxidant parameter (TRAP), -sulfhydryl (-SH), peroxides (LOOH) and paraoxonase (PON)1 activity in pregnant women with and without prenatal depression and non-pregnant controls...
July 6, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28717850/physio-biochemical-parameters-a-potential-tool-for-target-selective-treatment-of-haemonchosis-in-the-small-ruminants
#10
Bhupamani Das, Niranjan Kumar, Mehul M Jadav, Jayesh B Solanki, T K S Rao
This study aims to evaluate the conjunctiva colour-based FAMACHA score (FS) coupled with a body condition score (BCS), haemogram and stressor hormone level estimation, in identifying post-mortem (PM)/coproscopically proven individuals wanting therapy for economically important gastrointestinal (GI) helminths, Haemonchus contortus, in the small ruminants. The incidence of haemonchosis was significantly (p < 0.05) higher (60.81%) in the ruminants with FS = 3. The H. contortus count in the animals with FS 2, 3 and 4 was 23...
July 17, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28713411/physiological-biochemical-epigenetic-and-molecular-analyses-of-wheat-triticum-aestivum-genotypes-with-contrasting-salt-tolerance
#11
Suresh Kumar, A S Beena, Monika Awana, Archana Singh
Abiotic stress exerts significant impact on plant's growth, development, and productivity. Productivity of crop plants under salt stress is lagging behind because of our limited knowledge about physiological, biochemical, epigenetic, and molecular mechanisms of salt tolerance in plants. This study aimed to investigate physio-biochemical, molecular indices and defense responses of selected wheat cultivars to identify the most contrasting salt-responsive genotypes and the mechanisms associated with their differential responses...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28709447/cryptic-amyloidogenic-elements-in-mutant-nefh-causing-charcot-marie-tooth-2-trigger-aggresome-formation-and-neuronal-death
#12
Arnaud Jacquier, Cécile Delorme, Edwige Belotti, Raoul Juntas-Morales, Guilhem Solé, Odile Dubourg, Marianne Giroux, Claude-Alain Maurage, Valérie Castellani, Adriana Rebelo, Alexander Abrams, Stephan Züchner, Tanya Stojkovic, Laurent Schaeffer, Philippe Latour
Neurofilament heavy chain (NEFH) gene was recently identified to cause autosomal dominant axonal Charcot-Marie-Tooth disease (CMT2cc). However, the clinical spectrum of this condition and the physio-pathological pathway remain to be delineated. We report 12 patients from two French families with axonal dominantly inherited form of CMT caused by two new mutations in the NEFH gene. A remarkable feature was the early involvement of proximal muscles of the lower limbs associated with pyramidal signs in some patients...
July 14, 2017: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/28704400/genome-wide-analysis-of-the-ccch-zinc-finger-family-identifies-tissue-specific-and-stress-responsive-candidates-in-chickpea-cicer-arietinum-l
#13
Seema Pradhan, Chandra Kant, Subodh Verma, Sabhyata Bhatia
The CCCH zinc finger is a group of proteins characterised by a typical motif consisting of three cysteine residues and one histidine residue. These proteins have been reported to play important roles in regulation of plant growth, developmental processes and environmental responses. In the present study, genome wide analysis of the CCCH zinc finger gene family was carried out in the available chickpea genome. Various bioinformatics tools were employed to predict 58 CCCH zinc finger genes in chickpea (designated CarC3H1-58), which were analysed for their physio-chemical properties...
2017: PloS One
https://www.readbyqxmd.com/read/28701767/actomyosin-and-vimentin-cytoskeletal-networks-regulate-nuclear-shape-mechanics-and-chromatin-organization
#14
Michael C Keeling, Luis R Flores, Asad H Dodhy, Elizabeth R Murray, Núria Gavara
The regulation of nuclear state by the cytoskeleton is an important part of cellular function. Actomyosin stress fibres, microtubules and intermediate filaments have distinct and complementary roles in integrating the nucleus into its environment and influencing its mechanical state. However, the interconnectedness of cytoskeletal networks makes it difficult to dissect their individual effects on the nucleus. We use simple image analysis approaches to characterize nuclear state, estimating nuclear volume, Poisson's ratio, apparent elastic modulus and chromatin condensation...
July 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28701038/micellear-gold-nanoparticles-as-delivery-vehicles-for-dual-tyrosine-kinase-inhibitor-zd6474-for-metastatic-breast-cancer-treatment
#15
Siddik Sarkar, Suraj Konar, Puvvada Naga Prasad, Shashi Rajput, B N Prashanth Kumar, Raj R Rao, Amita Pathak, Paul B Fisher, Mahitosh Mandal
The therapeutic index of poorly water-soluble drugs is often hampered due to poor pharmacokinetics, reduced blood retention, and lack of effective drug concentrations in the tumor region. In order to overcome these issues, drugs are often delivered by use of delivery vehicles to provide an enhanced therapeutic index. Gold nanoparticles synthesized in micellar networks of amphiphilic block copolymer (AuNM) provide an efficient nanocarrier for tissue- and site-specific drug delivery owing to their low cytotoxicity and immunogenicity...
July 28, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28700973/fit-for-purpose-wastewater-treatment-testing-to-implementation-of-decision-support-tool-ii
#16
Gyan Chhipi-Shrestha, Kasun Hewage, Rehan Sadiq
This paper is the second in a series of two papers. In Paper I, a decision support tool (DST), FitWater, was developed for evaluating the potential of wastewater treatment (WWT) trains for various water reuse applications. In the present paper, the proposed DST has been tested and implemented. FitWater has been tested with several existing WWT plants in Canada and the USA, demonstrating FitWater's effectiveness in estimating life cycle cost (LCC), health risk, and energy use. FitWater has also been implemented in a newly planned neighbourhood in the Okanagan Valley (BC, Canada) by developing 12 alternative WWT trains for water reuse in lawn and public parks irrigation...
July 9, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28699026/aminolevulinic-acid-and-nitric-oxide-regulate-oxidative-defense-and-secondary-metabolisms-in-canola-brassica-napus-l-under-drought-stress
#17
Nudrat Aisha Akram, Majid Iqbal, Atta Muhammad, Muhammad Ashraf, Fahad Al-Qurainy, Sidra Shafiq
To minimize the damaging effects of stresses, plant growth regulators (PGRs) are widely used to sustain the plant life under stress-prone environments. So, a study was carried out to evaluate the response of two canola (Brassica napus L.) cultivars, Dunkeld and Cyclone, to foliar-applied two potential PGRs, nitric oxide (NO) and 5-aminolevulinic acid, under water deficit conditions. In this study, the levels of NO and ALA used were 0.02 and 0.895 mM, respectively. Plants of both canola cultivars were subjected to control (100% field capacity) and water deficit (60% field capacity)...
July 12, 2017: Protoplasma
https://www.readbyqxmd.com/read/28683564/noncoding-rnas-in-the-vascular-system-response-to-oxidative-stress
#18
Paola Fuschi, Biagina Maimone, Carlo Gaetano, Fabio Martelli
SIGNIFICANCE: Redox homeostasis plays a pivotal role in vascular cell function and its imbalance has a causal role in a variety of vascular diseases. Accordingly, the response of mammalian cells to redox cues requires precise transcriptional and post-transcriptional modulation of gene expression patterns. Recent Advances: Mounting evidence shows that nonprotein-coding RNAs (ncRNAs) are important for the functional regulation of most, if not all, cellular processes and tissues. Not surprisingly, a prominent role of ncRNAs has been identified also in the vascular system response to oxidative stress...
August 11, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28683199/unfolding-igdq-peptides-for-engineering-motogenic-interfaces
#19
Federica De Leo, Riccardo Marega, Valentina Corvaglia, Rodolfo Tondo, Matteo Lo Cicero, Simone Silvestrini, Davide Bonifazi
Extracellular matrix (ECM)-mimicking surfaces are pivotal tools in understanding adherent cell physiopathology. In this sense, we have recently reported on a discrete set of ECM-mimicking SAMs, among which only those exposing IGDQ peptide-alkanethiols sustain the adhesion of MDA-MB-231 cells by triggering FAK phosphorylation and peculiarly induce the migration of individual cancer cells on the subcentimeter scale. Starting from the experimentally observed relationship among the SAM composition, organization, and biological response, a systematic computational characterization aided in pinpointing the atomistic details through which specific composition and organization achieve the desired biological responsiveness...
July 19, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28679281/lipid-mediated-modulation-of-intracellular-ion-channels-and-redox-state-physio-pathological-implications
#20
Marisa Brini, Luigi Leanza, Ildiko Szabo
<i>Significance</i>: Ion channels play an important role in the regulation of organelle function within the cell, as proven by increasing evidence pointing to a link between altered function of intracellular ion channels and different pathologies ranging from cancer to neurodegenerative diseases, ischemic damage and lysosomal storage diseases. <i>Recent Advances</i>: A link between these pathologies and redox state as well as lipid homeostasis and ion channel function is in the focus of current research...
July 5, 2017: Antioxidants & Redox Signaling
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