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https://www.readbyqxmd.com/read/28239515/reduced-interneuronal-dendritic-arborization-in-ca1-but-not-in-ca3-region-of-mice-subjected-to-chronic-mild-stress
#1
Javier Gilabert-Juan, Clara Bueno-Fernandez, Esther Castillo-Gomez, Juan Nacher
INTRODUCTION: Chronic stress induces dendritic atrophy and decreases spine density in excitatory hippocampal neurons, although there is also ample evidence indicating that the GABAergic system is altered in the hippocampus after this aversive experience. Chronic stress causes dendritic remodeling both in excitatory neurons and interneurons in the medial prefrontal cortex and the amygdala. METHODS: In order to know whether it also has an impact on the structure and neurotransmission of hippocampal interneurons, we have analyzed the dendritic arborization, spine density, and the expression of markers of inhibitory synapses and plasticity in the hippocampus of mice submitted to 21 days of mild restrain stress...
February 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28237649/protein-kinase-ck2%C3%AE-catalytic-subunit-ameliorates-diabetic-renal-inflammatory-fibrosis-via-nf-%C3%AE%C2%BAb-signaling-pathway
#2
Junying Huang, Zhiquan Chen, Jie Li, Qiuhong Chen, Jingyan Li, Wenyan Gong, Jiani Huang, Peiqing Liu, Heqing Huang
Activation of casein kinase 2 (CK2) is closely linked to the body disturbance of carbohydrate metabolism and inflammatory reaction. The renal chronic inflammatory reaction in the setting of diabetes is one of the important hallmarks of diabetic renal fibrosis. However, it remains unknown whether CK2 influences the process of diabetic renal fibrosis. The current study is aimed to investigate if CK2α ameliorates renal inflammatory fibrosis in diabetes via NF-κB pathway. To explore potential regulatory mechanism of CK2α, the expression and activity of CK2α, which were studied by plasmid transfection, selective inhibitor, small-interfering RNA (siRNA) and adenovirus infection in vitro or in vivo, were analyzed by means of western blotting (WB), dual luciferase reporter assay and electrophoretic mobility shift assay (EMSA)...
February 22, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28236621/proapoptotic-and-growth-inhibitory-effects-of-plumbagin-on-human-gastric-cancer-cells-via-suppression-of-signal-transducer-and-activator-of-transcription-3-and-protein-kinase-b
#3
Jing Li, Jia Li, Guowei Cai, Lin Shen, Furong Lu
Context • Gastric cancer (GC) is the fourth most common cancer and the second leading cause of cancer-related deaths in the world. The current treatments include surgery and chemotherapy, either alone or in combination with radiotherapy, but the prognosis for patients with GC is usually poor. A safe and effective chemopreventive treatment for this malignant disease is urgently needed. Objective • The study intended to investigate the effects and underlying mechanisms of plumbagin, a quinonoid constituent that is derived from the roots of the medicinal plant Plumbago zeylanica, which exhibits potent anticancer properties against a number of cancers...
February 27, 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28236540/a-critical-review-on-serine-protease-key-immune-manipulator-and-pathology-mediator
#4
REVIEW
S Patel
Proteolytic activity is fundamental to survival, so it is not surprising that all living organisms have proteases, especially seine protease. This enzyme in its numerous isoforms and homologues, constitutes the quintessential offence and defence factors, in the form of surface proteins, secreted molecules, gut digestive enzymes, venom in specialised glands or plant latex, among other manifestations. Occurring as trypsin, chymotrypsin, elastase, collagenase, thrombin, subtilisin etc., it mediates a diverse array of functions, including pathological roles as inflammatory, coagulatory to haemorrhagic...
February 21, 2017: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/28230340/all-inkjet-printed-metal-oxide-thin-film-transistor-array-with-good-stability-and-uniformity-using-surface-energy-patterns
#5
Yuzhi Li, Linfeng Lan, Sheng Sun, Zhenguo Lin, Peixiong Gao, Wei Song, Erlong Song, Peng Zhang, Junbiao Peng
An array of inkjet-printed metal-oxide thin-film transistors (TFTs) is demonstrated for the first time with the assistance of surface-energy patterns prepared by printing pure solvent to etch the ultrathin hydrophobic layer. The surface-energy patterns not only restrained the spreading of inks but also provided a facile way to regulate the morphology of metal oxide films without optimizing ink formulation. The fully printed InGaO TFT devices in the array exhibited excellent electron transport characteristics with a maximum mobility of 11...
February 23, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28229144/construction-of-leaf-like-cuo-cu2o-nanocomposites-on-copper-foam-for-high-performance-supercapacitors
#6
Dong He, Guanda Wang, Guolong Liu, Hui Suo, Chun Zhao
Leaf-like CuO-Cu2O nanosheets have been prepared on copper foam by a one-step simple anodization method, which can be used as an advanced binder-free supercapacitor electrode. The performance of the CuO-Cu2O/Cu foam electrode was optimized through controlling and restraining the current density and reaction time. The prepared electrode exhibits a very high specific capacitance (1.954 F cm(-2) at a scan rate of 2 mV s(-1)), excellent durability (120% retention after 5000 cycles), remarkable rate capability (91...
February 23, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28228771/petal-loss-and-roxy1-interact-to-limit-growth-within-and-between-sepals-but-to-promote-petal-initiation-in-arabidopsis-thaliana
#7
Tezz Quon, Edwin R Lampugnani, David R Smyth
The activity of genes controlling organ development may be associated with the redox state of subregions within the meristem. Glutaredoxins react to the level of oxidative potential and can reduce cysteine dithiols, in some cases to activate specific transcription factors. In Arabidopsis, loss of function of the glutaredoxin ROXY1 or the trihelix transcription factor PETAL LOSS (PTL) each results in reduced numbers of petals. Here, genetic studies have revealed that loss of petals in ptl mutant plants depends on ROXY1 function...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28228509/the-use-of-clamping-grips-and-friction-pads-by-tree-frogs-for-climbing-curved-surfaces
#8
Thomas Endlein, Aihong Ji, Shanshan Yuan, Iain Hill, Huan Wang, W Jon P Barnes, Zhendong Dai, Metin Sitti
Most studies on the adhesive mechanisms of climbing animals have addressed attachment against flat surfaces, yet many animals can climb highly curved surfaces, like twigs and small branches. Here we investigated whether tree frogs use a clamping grip by recording the ground reaction forces on a cylindrical object with either a smooth or anti-adhesive, rough surface. Furthermore, we measured the contact area of fore and hindlimbs against differently sized transparent cylinders and the forces of individual pads and subarticular tubercles in restrained animals...
February 22, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28228330/assessment-of-monitor-unit-limiting-strategy-using-volumetric-modulated-arc-therapy-for-cancer-of-hypopharynx
#9
Shabbir Ahamed, Navin Singh, Deleep Gudipudi, Suneetha Mulinti, Anil Talluri, Bhudevi Soubhagya, Madhusudhana Sresty
PURPOSE: To quantify relative merit of MU deprived plans against freely optimized plans in terms of plan quality and report changes induced by progressive resolution optimizer algorithm (PRO3) to the dynamic parameters of RapidArc. MATERIALS AND METHODS: Ten cases of carcinoma hypopharynx were retrospectively planned in three phases without using MU tool. Replicas of these baseline plans were reoptimized using "Intermediate dose" feature and "MU tool" to reduce MUs by 20%, 35%, and 50%...
February 19, 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28228259/sirt1-regulates-dna-methylation-and-differentiation-potential-of-embryonic-stem-cells-by-antagonizing-dnmt3l
#10
Jinbeom Heo, Jisun Lim, Seungun Lee, Jaeho Jeong, Hyunsook Kang, YongHwan Kim, Jeong Wook Kang, Hwan Yeul Yu, Eui Man Jeong, Kyunggon Kim, Magda Kucia, Sabine J Waigel, Wolfgang Zacharias, Yinlu Chen, In-Gyu Kim, Mariusz Z Ratajczak, Dong-Myung Shin
Embryonic stem cell (ESC) abnormalities in genome methylation hamper the utility of their therapeutic derivatives; however, the underlying mechanisms are unknown. Here, we show that the nicotinamide adenine dinucleotide (NAD)-dependent deacetylase, Sirt1, selectively prevents abnormal DNA methylation of some developmental genes in murine ESCs by antagonizing Dnmt3l. Transcriptome and DNA methylome analyses demonstrated that Sirt1-null (Sirt1(-/-)) ESCs repress expression of a subset of imprinted and germline genes concomitant with increased DNA methylation of regulatory elements...
February 21, 2017: Cell Reports
https://www.readbyqxmd.com/read/28227621/non-contact-automatic-respiration-monitoring-in-restrained-rodents
#11
Behnaz Rezaei, Jared Lowe, Jason R Yee, Stephen Porges, Sarah Ostadabbas, Behnaz Rezaei, Jared Lowe, Jason R Yee, Stephen Porges, Sarah Ostadabbas, Sarah Ostadabbas, Jason R Yee, Stephen Porges, Jared Lowe, Behnaz Rezaei
Prairie voles are socially monogamous rodents that form social bonds similar to those seen in primates. Social behavior investigation in these species, that include studying their breathing regulation, can provide us with an invaluable psychological model to understand social and emotional functions in both animals and humans. There have been several studies associated with the respiratory pattern of these species in the state of fear-induced defense. However, non-invasive measurement methods employed so far suffer from the lack of a natural experiment environment for the rodents...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225751/lower-cystic-fibrosis-transmembrane-conductance-regulator-cftr-promotes-the-proliferation-and-migration-of-endometrial-carcinoma
#12
Xian Xia, Jie Wang, Yuan Liu, Ming Yue
BACKGROUND The incidence and death rates of endometrial cancer are alarmingly increasing. The diagnosis and treatment of endometrial cancer is crucial to decreasing mortality. Cystic fibrosis transmembrane conductance regulator (CFTR) belongs to the adenosine triphosphate (ATP)-binding cassette transporter family and plays an essential role in anion regulation and tissue homeostasis of various epithelia. This study explored the expression of CFTR in endometrial carcinoma and the role of CFTR in proliferation and migration of endometrial carcinoma cells...
February 22, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28225037/the-scaling-and-allometry-of-organ-size-associated-with-miniaturization-in-insects-a-case-study-for-coleoptera-and-hymenoptera
#13
Alexey A Polilov, Anastasia A Makarova
The study of the influence of body size on structure in animals, as well as scaling of organs, is one of the key areas of functional and evolutionary morphology of organisms. Most studies in this area treated mammals or birds; comparatively few studies are available on other groups of animals. Insects, because of the huge range of their body sizes and because of their colossal diversity, should be included in the discussion of the problem of scaling and allometry in animals, but to date they remain insufficiently studied...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28224784/a-highly-efficient-electrochemiluminescent-ag-nanoclusters-tio2-nanomaterials-as-signal-probe-for-ferrocene-driven-light-switch-bioanalysis
#14
Ying Zhou, Haijun Wang, Ying Zhuo, Yaqin Chai, Ruo Yuan
In this work, a ferrocene (Fc)-driven light switch biosensor for ultrasensitive detection of amyloid-β (Aβ) was designed by utilizing the highly-efficient electrochemiluminescent nanomaterials of Ag NCs/TiO2 nanoflowers (NFs) as signal labels. Through combining the TiO2 NFs as the co-reaction accelerator and dissolved O2 as the intrinsic co-reactant to in suit generate strong oxidizing intermediate radical OH•, the electrochemiluminescence (ECL) of Ag NCs on the TiO2 NFs surface could be significantly promoted in comparion with that of pure Ag NCs in solution...
February 22, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28224016/characterization-of-major-metabolites-of-polymethoxylated-flavonoids-in-pericarpium-citri-reticulatae-using-liver-microsomes-immobilized-on-magnetic-nanoparticles-coupled-with-uplc-ms-ms
#15
Jun Lei, Ying Xue, Yi-Ming Liu, Xun Liao
The peels of citrus fruits (Pericarpium Citri Reticulatae, PCR) have long been used in traditional Chinese medicines (TCMs). Polymethoxylated flavonoids (PMFs) were found to be the main components present in PCR extracts, but their metabolism remains unclear which restrain the utilization of this TCM. In the present work, rat liver microsomes were immobilized on magnetic nanoparticles (LMMNPs) for in vitro metabolic study on the whole PMFs of PCR. LMMNPs were characterized by transmission electron microscope and Fourier-transform infrared spectrum...
2017: Chemistry Central Journal
https://www.readbyqxmd.com/read/28223991/the-comparison-of-expressed-candidate-secreted-proteins-from-two-arbuscular-mycorrhizal-fungi-unravels-common-and-specific-molecular-tools-to-invade-different-host-plants
#16
Laurent Kamel, Nianwu Tang, Mathilde Malbreil, Hélène San Clemente, Morgane Le Marquer, Christophe Roux, Nicolas Frei Dit Frey
Arbuscular mycorrhizal fungi (AMF), belonging to the fungal phylum Glomeromycota, form mutualistic symbioses with roots of almost 80% of land plants. The release of genomic data from the ubiquitous AMF Rhizophagus irregularis revealed that this species possesses a large set of putative secreted proteins (RiSPs) that could be of major importance for establishing the symbiosis. In the present study, we aimed to identify SPs involved in the establishment of AM symbiosis based on comparative gene expression analyses...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28223496/ehd2-restrains-dynamics-of-caveolae-by-an-atp-dependent-membrane-bound-open-conformation
#17
Maria Hoernke, Jagan Mohan, Elin Larsson, Jeanette Blomberg, Dana Kahra, Sebastian Westenhoff, Christian Schwieger, Richard Lundmark
The EH-domain-containing protein 2 (EHD2) is a dynamin-related ATPase that confines caveolae to the cell surface by restricting the scission and subsequent endocytosis of these membrane pits. For this, EHD2 is thought to first bind to the membrane, then to oligomerize, and finally to detach, in a stringently regulated mechanistic cycle. It is still unclear how ATP is used in this process and whether membrane binding is coupled to conformational changes in the protein. Here, we show that the regulatory N-terminal residues and the EH domain keep the EHD2 dimer in an autoinhibited conformation in solution...
February 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28223216/mir-181c-restrains-nitration-stress-of-endothelial-cells-in-diabetic-db-db-mice-through-inhibiting-the-expression-of-foxo1
#18
Guangwei Yang, Yuanbo Wu, Shandong Ye
Endothelial dysfunction played an important role in the progression of diabetes mellitus (DM). miR-181c has been implicated in many diseases, including DM. However, the molecular mechanisms of miR-181c regulate this process remained poorly understood. Healthy ICR mice were divided into control group (n = 10) and db/db DM group (n = 10). The expression of miR-181c and FoxO1 were both investigated in diabetic db/db mice or high glucose-induced endothelial cells (MAECs and END-D). Here we found that down-regulation of miR-181c and the activation of FoxO1/iNOS were observed in mice and endothelial cells...
February 18, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28223155/block-restraining-of-residual-dipolar-couplings-to-allow-fluctuating-relative-alignments-of-molecular-subdomains
#19
REVIEW
Lukas N Wirz, Jane R Allison
Residual dipolar couplings (RDCs), unlike most other types of NMR observables, provide orientational information, reporting on the alignment of inter-spin vectors (ISVs) relative to the magnetic field. A great challenge in using experimental RDCs to restrain molecular dynamics (MD) simulations is how to represent this alignment. An alignment tensor is often used to parameterise the contribution of molecular alignment to the angular dependence of RDCs. All ISVs that share the same tensor have fixed relative alignment, i...
February 20, 2017: Progress in Biophysics and Molecular Biology
https://www.readbyqxmd.com/read/28222817/livestock-and-feed-water-productivity-in-the-mixed-crop-livestock-system
#20
M Bekele, A Mengistu, B Tamir
Recently with limited information from intensified grain-based farming systems in developed countries, livestock production is challenged as being huge consumer of freshwater. The smallholder mixed crop-livestock (MCL) system which is predominant in developing countries like Ethiopia, is maintained with considerable contributions of crop residues (CR) to livestock feeding. Inclusion of CR is expected to reduce the water requirement for feed production resulting improvement in livestock water productivity (LWP)...
February 22, 2017: Animal: An International Journal of Animal Bioscience
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