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https://www.readbyqxmd.com/read/28636277/esrrb-plays-a-crucial-role-in-the-promotion-of-porcine-cell-reprogramming
#1
Fan Yang, Yahui Ren, Huan Li Huayan Wang
The estrogen-related receptor b (ESRRB) is an orphan nuclear receptor and targets many genes involved in self-renewal and pluripotency. In mouse ES cells, overexpression of ESRRB can maintain LIF-independent self-renewal in the absence of Nanog. However, the fundamental features of porcine ESRRB remain elusive. In this study, we revealed the expression profiles of ESRRB in both porcine pluripotent stem cells and early stage embryos and dissected the functional domains of ESRRB protein to prove that ESRRB is a key transcription factor that enhanced porcine pluripotent gene activation...
June 21, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28636266/marap2-4-a-waterlogging-responsive-erf-from-mentha-regulates-bidirectional-sugar-transporter-atsweet10-to-modulate-stress-response-in-arabidopsis
#2
Ujjal J Phukan, Gajendra Singh Jeena, Vineeta Tripathi, Rakesh Kumar Shukla
As waterlogging and successive events severely influence growth and development of economically important plants, we attempted to characterize the role of a waterlogging-responsive Group I (A-6) Ethylene response factor (MaRAP2-4) from Mentha arvensis. Waterlogging, ethylene and Methyl jasmonate rapidly induced the expression of MaRAP2-4. MaRAP2-4 interacted with multiple cis-elements like Dehydration response elements (DRE1/2), Anoxia/Jasmonic acid response element (JARE) and GCC box showing its involvement in multiple responses...
June 21, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28636191/-fast-track-development-and-approval-process-for-heart-failure-therapeutics
#3
L Papadimitriou, J Butler
Heart failure (HF) is a global epidemic, with a high mortality and morbidity burden. In such diseases, earlier access to lifesaving therapeutic regimens is imperative, and could be accomplished by improving the drug development and approval process, without jeopardizing patient safety. The US Food and Drug Administration (FDA) has already established mechanisms facilitating the latter, but further guidance to enhance and expedite the process holds promise to further improve patient outcomes.
June 21, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28636152/dynamics-and-origin-of-cytokinins-involved-in-plant-manipulation-by-a-leaf-mining-insect
#4
Hui Zhang, Antoine Guiguet, Géraldine Dubreuil, Anna Kisiala, Peter Andreas, R J Neil Emery, Elisabeth Huguet, Mélanie Body, David Giron
Several herbivorous insects and plant-associated microorganisms control the phytohormonal balance, thus enabling them to successfully exploit the plant by inhibiting plant defences and withdrawing plant resources for their own benefit. The leaf-mining moth Phyllonorycter blancardella modifies the cytokinin (CK) profile of mined leaf-tissues, and the insect symbiotic bacteria Wolbachia is involved in the plant manipulation to the benefit of the insect host. To gain a deeper understanding into the possible origin and dynamics of CKs, we conducted an extensive characterization of CKs in larvae and in infected apple leaves...
June 21, 2017: Insect Science
https://www.readbyqxmd.com/read/28636141/binocular-facilitation-of-cone-specific-visual-evoked-potentials-in-colour-deficiency
#5
Jeff Rabin, Andrew Kryder, Dan Lam
BACKGROUND: Neural compensatory mechanisms have been proposed, which preserve the binocular visual field in glaucoma, as well as cognition in Alzheimer's disease and motor function in Parkinson's disease. It is conceivable that comparable mechanisms operate to preserve function in congenital and/or dystrophic disease. In hereditary colour vision deficiency (CVD), we observed significant facilitation in the amplitude of the binocular cone-specific visual evoked potential (VEP) compared to the monocular amplitude for the cone type corresponding to the CVD...
June 21, 2017: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/28636092/impact-of-diagnosis-of-von-willebrand-disease-on-patient-outcomes-analysis-of-medical-insurance-claims-data
#6
R F Sidonio, K M Haley, D Fallaize
The inherited bleeding disorder von Willebrand disease (VWD) is challenging to diagnose owing to disease heterogeneity, lack of a definitive laboratory test and variations in diagnostic criteria. We evaluated the impact of diagnosis and diagnostic delay on patient outcomes. The PharMetrics Plus Database was interrogated for medical claims for VWD (ICD-9 286.4) and bleeding events between 1 January 2006 and 30 June 2015. Longitudinal analysis was performed of patients newly diagnosed with VWD (≥9 months' continuous enrolment before first VWD claim) through 24 months following diagnosis...
June 21, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28636034/upregulation-of-heme-oxygenase-1-mediates-the-anti-inflammatory-activity-of-casein-glycomacropeptide-gmp-hydrolysates-in-lps-stimulated-macrophages
#7
Tiange Li, Xue Cheng, Min Du, Bin Chen, Xueying Mao
Recently, we have shown that casein glycomacropeptide hydrolysates (GHP) exhibit both anti-inflammatory and anti-oxidative activities in vitro. However, whether heme oxygenase-1 (HO-1) is involved in the cytoprotective effect of GHP against the inflammatory status remains unclear. Therefore, we hypothesized that HO-1 is a potential target of GHP, which mediates its anti-inflammatory effect. Here, GHP inhibited the intracellular reactive oxygen species (ROS) accumulation and NADPH oxidase 2 (NOX2) expression and enhanced reduced glutathione (GSH) levels in LPS-stimulated RAW264...
June 21, 2017: Food & Function
https://www.readbyqxmd.com/read/28636032/reline-aqueous-solutions-behaving-as-liquid-mixtures-of-h-bonded-co-solvents-microphase-segregation-and-formation-of-co-continuous-structures-as-indicated-by-brillouin-and-1-h-nmr-spectroscopies
#8
E Posada, N López-Salas, R J Jiménez Riobóo, M L Ferrer, M C Gutiérrez, F Del Monte
Deep eutectic solvents (DESs) offer a suitable alternative to conventional solvents in terms of both performance and cost-effectiveness. Some DESs also offer certain green features, the greenness of which is notoriously enhanced when combined with water. Aqueous DES dilutions are therefore attracting great attention as a novel green medium for biotechnological processes, with the aqueous dilutions of reline - a DES composed of urea and choline chloride - being one of the most studied systems. Despite their macroscopic homogeneous appearance, both (1)H NMR spectroscopic studies and molecular dynamics simulations have revealed the occurrence of certain dynamic heterogeneity at a microscopic molecular level...
June 21, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28636003/in-vitro-modulation-of-gut-microbiota-by-whey-protein-to-preserve-intestinal-health
#9
T Sánchez-Moya, R López-Nicolás, D Planes, C A González-Bermúdez, G Ros-Berruezo, C Frontela-Saseta
The effect of several types of whey milk - cow, sheep, goat and a mixture of them (60 : 20 : 20, respectively) - was assessed in the human gut microbiota. The prebiotic potential of these substrates was evaluated through in vitro gastrointestinal digestion following faecal batch culture fermentations (mimicking colonic fermentation) for 48 hours, using faeces from normal-weight (NW) and obese (OB) donors. Throughout the fermentation process, pH, gas production, short chain and branched fatty acids (SCFA-BCFA) were measured, as well as the changes of microbiota using qPCR...
June 21, 2017: Food & Function
https://www.readbyqxmd.com/read/28635999/carbon-dots-promoted-vanadium-flow-batteries-for-all-climate-energy-storage
#10
Ying Zhou, Le Liu, Yi Shen, Lantao Wu, Lihong Yu, Feng Liang, Jingyu Xi
We report a one-pot solvothermal method to prepare a carbon dots decorated graphite felt (CDs/GF) electrode. The resulting CDs/GF shows excellent wettability and greatly enhanced activity towards vanadium redox couples. VFB with the CDs/GF electrode exhibits outstanding rate performance, superior cycling stability, and broad temperature adaptability from -20 to 60 °C.
June 21, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28635973/deconstructing-decisions-to-initiate-maintain-or-discontinue-adjuvant-endocrine-therapy-in-breast-cancer-survivors-a-mixed-methods-study
#11
Shirley M Bluethmann, Caitlin C Murphy, Jasmin A Tiro, Michelle A Mollica, Sally W Vernon, Leona Kay Bartholomew
PURPOSE/OBJECTIVES: Adjuvant endocrine therapy (AET) has been shown to improve survival in hormone receptor-positive breast cancer survivors, but as many as half do not complete recommended treatment. Management of medication-related side effects and engagement with providers are two potentially modifiable factors, but their associations with adherence are not well understood. The aims were to build on survey results to qualitatively explore survivors' experiences with prescribed AET to (a) describe appraisal and management of AET side effects and (b) deconstruct decisions to initiate, discontinue, or maintain AET...
May 1, 2017: Oncology Nursing Forum
https://www.readbyqxmd.com/read/28635671/rab33b-controls-hepatitis-b-virus-assembly-by-regulating-core-membrane-association-and-nucleocapsid-processing
#12
Christina Bartusch, Tatjana Döring, Reinhild Prange
Many viruses take advantage of cellular trafficking machineries to assemble and release new infectious particles. Using RNA interference (RNAi), we demonstrate that the Golgi/autophagosome-associated Rab33B is required for hepatitis B virus (HBV) propagation in hepatoma cell lines. While Rab33B is dispensable for the secretion of HBV subviral envelope particles, its knockdown reduced the virus yield to 20% and inhibited nucleocapsid (NC) formation and/or NC trafficking. The overexpression of a GDP-restricted Rab33B mutant phenocopied the effect of deficit Rab33B, indicating that Rab33B-specific effector proteins may be involved...
June 21, 2017: Viruses
https://www.readbyqxmd.com/read/28635662/development-of-a-dunaliella-tertiolecta-strain-with-increased-zeaxanthin-content-using-random-mutagenesis
#13
Minjae Kim, Junhak Ahn, Hancheol Jeon, EonSeon Jin
Zeaxanthin is a xanthophyll pigment that is regarded as one of the best carotenoids for the prevention and treatment of degenerative diseases. In the worldwide natural products market, consumers prefer pigments that have been produced from biological sources. In this study, a Dunaliella tertiolecta strain that has 10-15% higher cellular zeaxanthin content than the parent strain (zea1), was obtained by random mutagenesis using ethyl methanesulfonate (EMS) as a mutagen. This mutant, mp3, was grown under various salinities and light intensities to optimize culture conditions for zeaxanthin production...
June 21, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28635661/hypoxic-preconditioning-promotes-the-bioactivities-of-mesenchymal-stem-cells-via-the-hif-1%C3%AE-grp78-akt-axis
#14
Jun Hee Lee, Yeo Min Yoon, Sang Hun Lee
Mesenchymal stem cells (MSC) are ideal materials for stem cell-based therapy. As MSCs reside in hypoxic microenvironments (low oxygen tension of 1% to 7%), several studies have focused on the beneficial effects of hypoxic preconditioning on MSC survival; however, the mechanisms underlying such effects remain unclear. This study aimed to uncover the potential mechanism involving 78-kDa glucose-regulated protein (GRP78) to explain the enhanced MSC bioactivity and survival in hindlimb ischemia. Under hypoxia (2% O₂), the expression of GRP78 was significantly increased via hypoxia-inducible factor (HIF)-1α...
June 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28635652/fucaceae-a-source-of-bioactive-phlorotannins
#15
REVIEW
Marcelo D Catarino, Artur M S Silva, Susana M Cardoso
Fucaceae is the most dominant algae family along the intertidal areas of the Northern Hemisphere shorelines, being part of human customs for centuries with applications as a food source either for humans or animals, in agriculture and as remedies in folk medicine. These macroalgae are endowed with several phytochemicals of great industrial interest from which phlorotannins, a class of marine-exclusive polyphenols, have gathered much attention during the last few years due to their numerous possible therapeutic properties...
June 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28635646/synthesis-and-bioactivity-characterization-of-scutellarein-sulfonated-derivative
#16
Ting Gu, Yue Zhong, Yu-Ting Lu, Ying Sun, Ze-Xi Dong, Wen-Yu Wu, Zhi-Hao Shi, Nian-Guang Li, Xin Xue, Fang Fang, He-Min Li, Yu-Ping Tang
Scutellarin (1) has been widely used to treat acute cerebral infarction in clinic, but poor aqueous solubility decreases its bioavailability. Interestingly, scutellarin (1) could be metabolized into scutellarein (2) in vivo. In this study, a sulfonic group was introduced at position C-8 of scutellarein (2) to enhance the aqueous solubility of the obtained derivative (3). DPPH (1,1-diphenyl-2-picrylhydrazyl)-radical scavenging ability and antithrombic activity were also conducted to determine its bioactivity...
June 21, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28635644/pd-1-pd-l1-blockade-therapy-for-tumors-with-downregulated-mhc-class-i-expression
#17
REVIEW
Michal Šmahel
The therapy of different advanced-stage malignancies with monoclonal antibodies blocking programmed cell death protein 1 (PD-1)/PD-1 ligand 1 (PD-L1) signaling has had an impressive long-lasting effect in a portion of patients, but in most cases, this therapy was not successful, or a secondary resistance developed. To enhance its efficacy in treated patients, predictive biomarkers are searched for and various combination treatments are intensively investigated. As the downregulation of major histocompatibility complex (MHC) class I molecules is one of the most frequent mechanisms of tumor escape from the host's immunity, it should be considered in PD-1/PD-L1 checkpoint inhibition...
June 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28635622/the-arabidopsis-gpr1-gene-negatively-affects-pollen-germination-pollen-tube-growth-and-gametophyte-senescence
#18
Xiao Yang, Qinying Zhang, Kun Zhao, Qiong Luo, Shuguang Bao, Huabin Liu, Shuzhen Men
Genes essential for gametophyte development and fertilization have been identified and studied in detail; however, genes that fine-tune these processes are largely unknown. Here, we characterized an unknown Arabidopsis gene, GTP-BINDING PROTEIN RELATED1 (GPR1). GPR1 is specifically expressed in ovule, pollen, and pollen tube. Enhanced green fluorescent protein-tagged GPR1 localizes to both nucleus and cytoplasm, and it also presents in punctate and ring-like structures. gpr1 mutants exhibit no defect in gametogenesis and seed setting, except that their pollen grains are pale in color...
June 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28635617/the-dosimetric-impact-of-gadolinium-based-contrast-media-in-gbm-brain-patient-plans-for-a-mri-linac
#19
Syed Bilal Ahmad, Moti Raj Paudel, Arman Sarfehnia, Anthony Kim, Geordi Pang, Mark Ruschin, Arjun Sahgal, Brian M Keller
Dosimetric effects of gadolinium based contrast media (Gadovist) were evaluated for the Elekta MRI Linear accelerator (MRL) using the research version of Monaco treatment planning system (TPS). In order to represent a gadolinium uptake it was manually assigned to a phantom as well as to the Gross Tumour Volume (GTV) of 6 Glioblastoma Multiforme (GBM) patients. A preliminary estimate of dose enhancement, due to gadolinium, was performed using the phantom irradiated with a single beam. More complicated assessment was performed for the GBM patients using a 7 field IMRT technique...
June 21, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28635615/topography-on-a-subcellular-scale-modulates-cellular-adhesions-and-actin-stress-fiber-dynamics-in-tumor-associated-fibroblasts
#20
Mikheil Azatov, Xiaoyu Sun, Alexandra Suberi, John T Fourkas, Arpita Upadhyaya
Cells can sense and adapt to mechanical properties of their environment. The local geometry of the extracellular matrix, such as its topography, has been shown to modulate cell morphology, migration, and proliferation. Here we investigate the effect of micro/nanotopography on the morphology and cytoskeletal dynamics of human pancreatic tumor-associated fibroblast cells (TAFs). We use arrays of parallel nanoridges with variable spacings on a subcellular scale to investigate the response of TAFs to the topography of their environment...
June 21, 2017: Physical Biology
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