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https://www.readbyqxmd.com/read/29450759/gene-expression-and-population-polymorphism-of-maize-iranian-mosaic-virus-in-zea-mays-and-intracellular-localization-and-interactions-of-viral-n-p-and-m-proteins-in-nicotiana-benthamiana
#1
Abozar Ghorbani, Keramatollah Izadpanah, Ralf G Dietzgen
Maize Iranian mosaic virus (MIMV; Mononegavirales, Rhabdoviridae, Nucleorhabdovirus) infects maize and several other poaceous plants. MIMV encodes six proteins, i.e., nucleocapsid protein (N), polymerase cofactor phosphoprotein (P), putative movement protein (P3), matrix protein (M), glycoprotein (G), and large RNA-dependent RNA polymerase (L). In the present study, MIMV gene expression and genetic polymorphism of an MIMV population in maize were determined. N, P, P3, and M protein genes were more highly expressed than the 5' terminal G and L genes...
February 15, 2018: Virus Genes
https://www.readbyqxmd.com/read/29450382/iridex-micropulse-p3-innovative-cyclophotocoagulation
#2
M Monica Gavris, Ioana Olteanu, Erzsebet Kantor, Radu Mateescu, Roxana Belicioiu
Purpose: To present the new IRIDEX MicroPulse P3 (MP3) technology in patients with refractory glaucoma and our preliminary results at 1 week and 1 month postoperatively. Methods: IRIDEX MP3 laser cyclophotocoagulation was performed in 7 eyes of 7 patients under retrobulbar anaesthesia with lidocaine 2% in the operating room. Each eye received two treatments of 80-90s over the superior and inferior hemisphere, avoiding the temporal- and nasal-most clock hours. 810nm IRIDEX MP3 was set to 31,3% duty cycle (0,5ms treatment pulse followed by 1,1 ms of rest)...
April 2017: Romanian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29448712/a-simulated-body-fluid-evaluation-of-tio%C3%A2-barrier-oxide-layer-formed-by-electrochemical-reaction
#3
Jae-Myung Jang, Tae-Eon Park, Seung-Dai Kim, Han-Cheol Choe
The modified surface during implantation is considered to be an effective strategy to improve high adhesion of bone cell and osseointegration activity. In this paper, the TiO2 barrier oxide Layer has been fabricated by using the ion characteristic of an electrolytic solution, the surface characteristics have been investigated by EDS, XPS, and FE-SEM. From the analysis of the chemical states, phosphorus and calcium were observed in the TiO2 barrier layer, which were penetrated from the electrolyte into the oxide layer during deposit process...
March 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29447222/kinetics-of-pten-mediated-pi-3-4-5-p3-hydrolysis-on-solid-supported-membranes
#4
Chun Liu, Sanghamitra Deb, Vinicius S Ferreira, Eric Xu, Tobias Baumgart
Phosphatidylinositides play important roles in cellular signaling and migration. Phosphatidylinositol-3,4,5-trisphosphate (PI(3,4,5)P3) is an important phosphatidylinositide because it acts as a secondary messenger to trigger cell movement and proliferation. A high level of PI(3,4,5)P3 at the plasma membrane is known to contribute to tumorigenesis. One key enzyme that regulates PI(3,4,5)P3 levels at the plasma membrane is phosphatase and tensin homologue deleted on chromosome 10 (PTEN), which dephosphorylates PI(3,4,5)P3 through hydrolysis to form phosphatidylinositol-4,5-bisphosphate (PI(4,5)P2)...
2018: PloS One
https://www.readbyqxmd.com/read/29445334/post-task-effects-on-eeg-brain-activity-differ-for-various-differential-learning-and-contextual-interference-protocols
#5
Diana Henz, Alexander John, Christian Merz, Wolfgang I Schöllhorn
A large body of research has shown superior learning rates in variable practice compared to repetitive practice. More specifically, this has been demonstrated in the contextual interference (CI) and in the differential learning (DL) approach that are both representatives of variable practice. Behavioral studies have indicate different learning processes in CI and DL. Aim of the present study was to examine immediate post-task effects on electroencephalographic (EEG) brain activation patterns after CI and DL protocols that reveal underlying neural processes at the early stage of motor consolidation...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29445331/do-event-related-evoked-potentials-reflect-apathy-tendency-and-motivation
#6
Hiroyuki Takayoshi, Keiichi Onoda, Shuhei Yamaguchi
Apathy is a mental state of diminished motivation. Although the reward system as the foundation of the motivation in the human brain has been studied extensively with neuroimaging techniques, the electrophysiological correlates of motivation and apathy have not been fully explored. Thus, in 14 healthy volunteers, we examined whether event-related evoked potentials (ERP) obtained during a simple number discrimination task with/without rewards reflected apathy tendency and a reward-dependent tendency, which were assessed separately using the apathy scale and the temperament and character inventory (TCI)...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29444942/a-functional-link-between-rna-replication-and-virion-assembly-in-the-potyvirus-plum-pox-virus
#7
Araiz Gallo, Adrian Valli, María Calvo, Juan Antonio García
Accurate assembly of viral particles in the potyvirus Plum pox virus (PPV) has been shown to depend on the contribution of the multifunctional viral protein HCPro. In this study, we show that other viral factors, in addition to the capsid protein (CP) and HCPro, are necessary for the formation of stable PPV virions. The CP produced in Nicotiana benthamiana leaves from a subviral RNA termed LONG, which expresses a truncated polyprotein that lacks P1 and HCPro, together with HCPro supplied in trans , was assembled into virus like particles and remained stable after in vitro incubation...
February 14, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29442284/sex-differences-in-the-neural-underpinnings-of-social-and-monetary-incentive-processing-during-adolescence
#8
Ellen Greimel, Sarolta Bakos, Iris Landes, Thomas Töllner, Jürgen Bartling, Gregor Kohls, Gerd Schulte-Körne
The brain's reward system undergoes major changes during adolescence, and an increased reactivity to social and nonsocial incentives has been described as a typical feature during this transitional period. Little is known whether there are sex differences in the brain's responsiveness to social or monetary incentives during adolescence. The aim of this event-related potential (ERP) study was to compare the neurophysiological underpinnings of monetary and social incentive processing in adolescent boys versus girls...
February 13, 2018: Cognitive, Affective & Behavioral Neuroscience
https://www.readbyqxmd.com/read/29436663/the-effect-of-foxp3-overexpressing-treg-cells-on-non-small-cell-lung-cancer-cells
#9
Jiangzhou Peng, Zigang Yu, Lei Xue, Jiabin Wang, Jun Li, Degang Liu, Qiang Yang, Yihui Lin
The aim of the present study was to investigate the novel mechanisms of forkhead box protein P3 (foxp3) in T regulatory (Treg) cells in lung cancer behavior. Treg cells were isolated from the peripheral blood of healthy volunteers and then co‑cultured with 95D cells. A plasmid overexpressing foxp3 was constructed and transfected into Treg cells and an MTS assay was performed to assess cell viability. Flow cytometry was performed to evaluate cell apoptosis and reverse transcription‑quantitative polymerase chain reaction was used to measure mRNA expression...
February 13, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29436652/neuronalinjury-and-roles-of-apoptosis-and-autophagy-in-a-neonatal-rat-model-of-hypoxia-ischemia-induced-periventricular-leukomalacia
#10
Lin Qiao, Jianhua Fu, Xindong Xue, Yongyan Shi, Li Yao, Wanjie Huang, Jun Li, Dan Zhang, Na Liu, Xin Tong, Yanna Du, Yuqing Pan
As research into periventricular leukomalacia (PVL) gradually increases, concerns are emerging about long‑term neuron injury. The present study aimed to investigate neuronal injury and the relevant alterations in apoptosis and autophagy in a PVL model established previously. A rat model of hypoxia‑ischemia‑induced PVL was established. In the model group, Sprague‑Dawley (SD) rats [postnatal day 3 (P3)] were subjected to right common carotid artery ligation followed by suturing and exposed to 6‑8% oxygen for 2 h; in the control group, SD rats (P3) were subjected to right common carotid artery dissection followed by suturing, without ligation and hypoxic exposure...
February 7, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29434788/combined-treatment-with-simvastatin-and-rapamycin-attenuates-cardiac-allograft-rejection-through-the-regulation-of-t-helper-17-and-regulatory-t-cells
#11
Yingjie Liu, Lu Sun, Wei Chen, Junbo Chuai, Yu Shang, Dongyang Zhang, Bicheng Fu, Hai Tian, Shulin Jiang
Allograft rejection is an important issue post cardiac transplantation. In order to investigate the effect of combined treatment with simvastatin and rapamycin on allograft rejection, a cardiac transplantation rat model was employed in the present study. The survival time of rats following cardiac transplantation was recorded, while histopathological alterations were assessed by hematoxylin and eosin staining. The levels of transcription factors were measured by reverse transcription-quantitative polymerase chain reaction...
February 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29434246/high-throughput-protease-profiling-comprehensively-defines-active-site-specificity-for-thrombin-and-adamts13
#12
Colin A Kretz, Kärt Tomberg, Alexander Van Esbroeck, Andrew Yee, David Ginsburg
We have combined random 6 amino acid substrate phage display with high throughput sequencing to comprehensively define the active site specificity of the serine protease thrombin and the metalloprotease ADAMTS13. The substrate motif for thrombin was determined by >6,700 cleaved peptides, and was highly concordant with previous studies. In contrast, ADAMTS13 cleaved only 96 peptides (out of >107 sequences), with no apparent consensus motif. However, when the hexapeptide library was substituted into the P3-P3' interval of VWF73, an exosite-engaging substrate of ADAMTS13, 1670 unique peptides were cleaved...
February 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29433930/structure-based-design-and-synthesis-of-macrocyclic-human-rhinovirus-3c-protease-inhibitors
#13
Kenji Namoto, Finton Sirockin, Holger Sellner, Christian Wiesmann, Frederic Villard, Robert J Moreau, Eric Valeur, Stephanie C Paulding, Simone Schleeger, Kathrin Schipp, Joachim Loup, Lori Andrews, Ryann Swale, Michael Robinson, Christopher J Farady
The design and synthesis of macrocyclic inhibitors of human rhinovirus 3C protease is described. A macrocyclic linkage of the P1 and P3 residues, and the subsequent structure-based optimization of the macrocycle conformation and size led to the identification of a potent biochemical inhibitor 10 with sub-micromolar antiviral activity.
February 1, 2018: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/29428787/trace-element-repletion-following-severe-burn-injury-a-dose-finding-cohort-study
#14
Olivier Pantet, Patricia Stoecklin, Mélanie Charrière, Pierre Voirol, Arnaud Vernay, Mette M Berger
BACKGROUND & AIMS: Major burn patients are characterized by large exudative losses of Cu, Se and Zn. Trace element (TE) repletion has been shown to improve clinical outcome. Having increased the TE doses over time, the study aimed at analysing if our repletion protocol corrected TE plasma concentrations and if the necessity for continuous renal replacement therapy (CRRT) might increase the TE needs. METHODS: Retrospective analysis of prospectively collected data in burn patients requiring intensive care (ICU) between 1999 and 2015...
February 7, 2018: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29426994/host-associated-selection-of-a-p3-mutant-of-zucchini-yellow-mosaic-virus-affects-viral-infectivity-in-watermelon
#15
Baoshan Kang, Bin Peng, Huijie Wu, Lifeng Liu, Wanwan Wu, Qinsheng Gu
In this study, we found that the infectivity of zucchini yellow mosaic virus (ZYMV) in watermelon lines H1 and K6 changed from partial to complete after propagation in the susceptible watermelon line ZXG637. When using cucumber infected with strain ZYMV-CH87 as an inoculum (named ZYMV-CH87C), the mean incidences of infection in lines H1 and K6 were 6% and 11%, respectively. However, when these lines were inoculated with ZXG637 infected with ZYMV-CH87C (named ZYMV-637), 100% of the plants became infected. Sequencing of ZYMV from these different inoculums revealed two nucleotide changes in the P3 cistron in ZYMV-637, which resulted in changes in the amino acids at positions 768 and 857 of the P3 protein, compared with the original strain ZYMV-CH87...
February 9, 2018: Archives of Virology
https://www.readbyqxmd.com/read/29425909/eeg-activity-during-the-spatial-span-task-in-young-men-differences-between-short-term-and-working-memory
#16
Miguel Angel Guevara, Edwin Iván Cruz Paniagua, Marisela Hernández González, Ivett Karina Sandoval Carrillo, Mayra Linné Almanza Sepúlveda, Jorge Carlos Hevia Orozco, Claudia Amezcua Gutiérrez
Short-term memory and working memory are two closely-related concepts that involve the prefrontal and parietal areas. These two types of memory have been evaluated by means of the spatial span task in its forward and backward conditions, respectively. To determine possible neurofunctional differences between them, this study recorded electroencephalographic activity (EEG) in the frontopolar (Fp1, Fp2), dorsolateral (F3, F4), and parietal (P3 and P4) areas during performance of the forward and backward conditions of this task in young men...
February 6, 2018: Brain Research
https://www.readbyqxmd.com/read/29425097/molecular-mechanism-for-inhibition-of-twinfilin-by-phosphoinositides
#17
Markku Hakala, Maria Kalimeri, Giray Enkavi, Ilpo Vattulainen, Pekka Lappalainen
Membrane phosphoinositides control organization and dynamics of the actin cytoskeleton by regulating the activities of several key actin-binding proteins. Twinfilin is an evolutionarily conserved protein, which contributes to cytoskeletal dynamics by interacting with actin monomers, filaments, and the heterodimeric capping protein. Twinfilin also binds phosphoinositides, which inhibit its interactions with actin, but the underlying mechanism has remained unknown. Here we show that the high-affinity binding site of twinfilin for phosphoinositides is located at the carboxy-terminal tail-region, while the two ADF/cofilin like ADF-H domains of twinfilin bind phosphoinositides only with low affinity...
February 7, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29424913/the-targeted-regulation-of-mir-26a-on-pten-pi3k-akt-signaling-pathway-in-myocardial-fibrosis-after-myocardial-infarction
#18
S Zhang, R Cui
OBJECTIVE: MiR-26a is involved in regulating myocardial remodeling and it is also related to organ fibrosis. Its role in myocardial fibrosis process is still controversy. As a definite target gene of miR-26a, phosphatase and tensin homology does on chromosome ten (PTEN) plays a role in regulating PTEN-PI3K/AKT signaling pathway. This study explored the function of miR-26a in regulating PTEN-PI3K/AKT signaling pathway, MMP-9 expression, and myocardial fibrosis after acute myocardial infarction (AMI)...
January 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29422993/mesenteric-injection-of-adipose-derived-mesenchymal-stem-cells-relieves-experimentally-induced-colitis-in-rats-by-regulating-th17-treg-cell-balance
#19
Zheng-Wei Fu, Zhen-Yu Zhang, Hai-Yan Ge
Efficient delivery routes are critical for the effectiveness of adipose-derived mesenchymal stem cells (ADMSCs) in treating inflammatory bowel disease (IBD). Conventional ADMSC delivery routes include local, intravenous and intraperitoneal injection. Whether mesenteric injection has potential in IBD treatment remains unknown. In the present study, we investigated the therapeutic effects of mesenteric injection of ADMSCs in a trinitrobenzene sulfonic acid-induced rat IBD model and explored whether this treatment affected T helper 17 (Th17)/regulatory T (Treg) cell ratio...
2018: American Journal of Translational Research
https://www.readbyqxmd.com/read/29417708/the-effect-of-the-heights-and-thicknesses-of-the-remaining-root-segments-on-buccal-bone-resorption-in-the-socket-shield-technique-an-experimental-study-in-dogs
#20
Zhen Tan, Jian Kang, Wenjia Liu, Hang Wang
BACKGROUND: To date only a few studies have been done on the use of the socket-shield technique for preserving the resorption of the buccal bone in aesthetically sensitive sites. Besides, there have been no further studies on the effect of the heights and thicknesses of the remaining root segments on buccal bone resorption when using this method. PURPOSE: The aim of this study was to evaluate the effect of different heights and thicknesses of the remaining root segments on bone resorption in the socket-shield technique...
February 8, 2018: Clinical Implant Dentistry and related Research
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