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https://www.readbyqxmd.com/read/28438014/characterization-of-a-glutamate-decarboxylase-gad-from-enterococcus-avium-m5-isolated-from-jeotgal-a-fermented-korean-sea-food
#1
Kang Wook Lee, Jae Min Shim, Zhuang Yao, Jeong A Kim, Hyun-Jin Kim, Jeong Hwan Kim
To develop starters for the production of functional foods or materials, lactic acid bacteria producing γ-aminobutyric acid (GABA) were screened from jeotgals, Korean fermented sea foods. One isolate producing high amount of GABA from monosodium L-glutamate (MSG) was identified as Enterococcus avium by 16S rRNA gene sequencing. E. avium M5 produced 18.47 ± 1.26 mg/ml GABA when incubated for 48 h at 37°C in MRS broth with MSG (3%, w/v). A gadB gene encoding glutamate decarboxylase (GAD) was cloned and overexpressed in E...
April 25, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28437986/control-and-design-heat-flux-bending-in-thermal-devices-with-transformation-optics
#2
Guoqiang Xu, Haochun Zhang, Yan Jin, Sen Li, Yao Li
We propose a fundamental latent function of control heat transfer and heat flux density vectors at random positions on thermal materials by applying transformation optics. The expressions for heat flux bending are obtained, and the factors influencing them are investigated in both 2D and 3D cloaking schemes. Under certain conditions, more than one degree of freedom of heat flux bending exists corresponding to the temperature gradients of the 3D domain. The heat flux path can be controlled in random space based on the geometrical azimuths, radial positions, and thermal conductivity ratios of the selected materials...
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28437938/focus-issue-introduction-advanced-solid-state-lasers-assl-2016
#3
Yoonchan Jeong, Christian Kränkel, Almantas Galvanauskas, Kenneth Schepler, Takunori Taira, Shibin Jiang
The editors introduce the focus issue on "Advanced Solid-State Lasers (ASSL) 2016", which is based on the topics presented at a conference of the same name held in Boston, USA, from October 30 to November 3, 2016. This focus issue, jointly prepared by Optics Express and Optical Materials Express, includes 20 contributed papers (14 for Optics Express and 6 for Optical Materials Express) selected from the voluntary submissions from attendees who presented at the conference and have extended their work into complete research articles...
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28437927/precision-measurement-of-magnetic-field-based-on-the-transient-process-in-a-k-rb-sup-21-sup-ne-co-magnetometer
#4
Wei Quan, Kai Wei, Hairong Li
We demonstrate a novel method of measuring magnetic field based on the transient signal of the K-Rb-<sup>21</sup>Ne co-magnetometer operating in nuclear spin magnetization self-compensation magnetic field regime. The operation condition for self-compensation magnetic field by nuclear spin magnetization of <sup>21</sup>Ne in steady state is presented. We characterize the dynamics of the coupled spin ensembles by a set of Bloch equations, and formulate the expression of transient output signal...
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28437909/editorial-optics-express-now-how-did-that-happen
#5
J H Eberly
Founding Editor-in-Chief Joseph Eberly tells how Optics Express was conceived as an entirely new kind of journal and the significant effort required to launch the first issue.
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28437887/influence-of-sinomenine-upon-mesenchymal-stem-cells-in-osteoclastogenesis
#6
Biao Zhou, Xiaolong Lu, Zhi Tang, Dan Liu, Youliang Zhou, Peng Zeng, Hui Xiong
With the advent of aging, the morbidity rates of such diseases as osteoarthritis, rheumatoid arthritis, and osteoporosis has witnessed a significant increase. As a common rattan drug, sinomenine (SIN) has been widely applied for the treatment of various arthritic diseases in traditional Chinese medicine (TCM) clinics. Given that SIN has been reported to inhibit the expression of Prostaglandin E2 (PGE2) in several types of cells, in this study, the influence of SIN treatment on PGE2 expression in mesenchymal stem cells (MSCs), thereby changing the osteoprotegerin (OPG) receptor/activator for the nuclear factor-κ B ligand (RANKL) ratio, was investigated...
April 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28437886/activation-of-imidazoline-i1-receptor-by-moxonidine-regulates-the-progression-of-liver-fibrosis-in-the-nrf2-dependent-pathway
#7
Wenfeng Zhang, Xuanfei Li, Yanmin Liu, Hao Chen, Jianping Gong
Imidazoline I1 receptor (I1R) has been recognized as a promising target in the treatment of many diseases, but little is known about its function in liver fibrogenesis. This study aimed to investigate the effect of I1R activation on the development and progression of liver fibrosis. The results showed that I1R expression was decreased in the livers of both patients and mice with liver fibrosis, and in TGF-β-treated hepatic stellate cells (HSCs). Activation of I1R by moxonidine (MOX) significantly inhibited the progression of liver fibrosis in carbon tetrachloride-induced mice and attenuated the activation of HSCs and kupffer cells...
April 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28437885/sesquiterpenes-evaluation-on-schistosoma-mansoni-survival-excretory-system-and-membrane-integrity
#8
Rosimeire Nunes de Oliveira, Karina Rodrigues Dos Santos, Tiago Manuel Fernandes Mendes, Vera Lúcia Garcia, Adriana Silva Santos Oliveira, Veronica de Lourdes Sierpe Jeraldo, Silmara Marques Allegretti
The main challenge in schistosomiasis control has been the emergence of drug-resistant parasites. Since the 1970's, praziquantel (PZQ) is the single drug for treatment. This fact highlights the importance to research news chemotherapeutic agents. In the last years, S. mansoni excretory system and tegument have been major targets for drug development. The purpose of this study was to evaluate the effect of sesquiterpenes, alpha-humulene and trans-caryophyllene on S. mansoni survival, excretory system and membrane integrity, after in vitro exposure...
April 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28437884/regulatory-role-of-mir-211-5p-in-hepatocellular-carcinoma-metastasis-by-targeting-zeb2
#9
Guangbin Jiang, Li Wen, Weiping Deng, Zhiyuan Jian, Hongmei Zheng
Hepatocellular carcinoma (HCC) is the most common type of cancer and the rapid tumor growth, drug resistance and metastasis are the major problems for HCC therapy. MicroRNAs (miRNAs) involve in various cell biological processes in HCC. ZEB2 plays crucial roles in HCC progression. ZEB2 is regulated by some identified miRNAs, but there needs to find new miRNAs regulating ZEB2 expression for better understanding the molecular mechanism of HCC. In the present study, ZEB2 was identified as a direct target of miR-211-5p, which was a potential oncogene in cancer...
April 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28437863/sirt3-acts-as-a-negative-regulator-of-autophagy-dictating-hepatocyte-susceptibility-to-lipotoxicity
#10
Songtao Li, Xiaobing Dou, Hua Ning, Qing Song, Wei Wei, Ximei Zhang, Chen Shen, Jiaxin Li, Changhao Sun, Zhenyuan Song
Lipotoxicity induced by saturated fatty acids (SFAs) plays a central role in the pathogenesis of non-alcoholic fatty liver disease (NAFLD); however, the exact mechanism(s) remain to be fully elucidated. SIRT3 is an NAD(+) -dependent deacetylase primarily located inside mitochondria. In this study, we demonstrated that a SFAs-rich high-fat diet (HFD) was more detrimental to the liver than an isocaloric unsaturated FAs-rich HFD. Unexpectedly, SIRT3 expression/activity were significantly elevated in the livers of mice exposed to the SFAs-rich HFD...
April 24, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28437860/chronic-inhibition-of-fatty-acid-amide-hydrolase-by-urb597-produces-differential-effects-on-cardiac-performance-in-normotensive-and-hypertensive-rats
#11
Anna Pedzinska-Betiuk, Jolanta Weresa, Marek Toczek, Marta Baranowska-Kuczko, Irena Kasacka, Ewa Harasim-Symbor, Barbara Malinowska
BACKGROUND AND PURPOSE: Fatty acid amide hydrolase (FAAH) inhibitors are postulated to possess anti-hypertensive potential, because their acute injection decreases blood pressure (BP) in spontaneously hypertensive rats (SHR) partially through normalization of cardiac contractile function. Here, we examined whether the potential hypotensive effect of chronic FAAH inhibition by URB597 in hypertensive rats correlates with changes in cardiac performance. EXPERIMENTAL APPROACH: Experiments were performed using perfused hearts and left atria isolated from 8-10 week old SHR, age-matched deoxycorticosterone acetate (DOCA-salt) rats and normotensive controls chronically treated with URB597 (1 mg kg(-1) ) or vehicle...
April 24, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28437848/inferring-network-structure-in-non-normal-and-mixed-discrete-continuous-genomic-data
#12
Anindya Bhadra, Arvind Rao, Veerabhadran Baladandayuthapani
Inferring dependence structure through undirected graphs is crucial for uncovering the major modes of multivariate interaction among high-dimensional genomic markers that are potentially associated with cancer. Traditionally, conditional independence has been studied using sparse Gaussian graphical models for continuous data and sparse Ising models for discrete data. However, there are two clear situations when these approaches are inadequate. The first occurs when the data are continuous but display non-normal marginal behavior such as heavy tails or skewness, rendering an assumption of normality inappropriate...
April 24, 2017: Biometrics
https://www.readbyqxmd.com/read/28437841/characterizing-the-evolution-of-wide-gauge-features-in-stylopodial-limb-elements-of-titanosauriform-sauropods-via-geometric-morphometrics
#13
Paul V Ullmann, Matthew F Bonnan, Kenneth J Lacovara
Wide-gauge posture of titanosauriform sauropods remains an enigmatic peculiarity among terrestrial vertebrates. Here, two-dimensional geometric morphometrics and thin plate splines analyses were used to quantitatively analyze shape differences among sauropodomorph humeri and femora to identify how these elements may differ according to body gauge. Results demonstrate that titanosauriforms generally possess proportionately gracile humeri in comparison to other sauropods, with relatively more medially oriented humeral heads and proximally located deltopectoral crests...
April 24, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28437838/prognostic-relevance-of-mir-124-3p-and-its-target-tp53inp1-in-pediatric-ependymoma
#14
Yulia Margolin-Miller, Natalia Yanichkin, Keren Shichrur, Helen Toledano, Anat Ohali, Theophilos Tzaridis, Shalom Michowitz, Suzana Fichman-Horn, Meora Feinmesser, Stefan M Pfister, Hendrik Witt, Uri Tabori, Eric Bouffet, Vijay Ramaswamy, Cynthia Hawkins, Michael D Taylor, Isaac Yaniv, Smadar Avigad
Ependymoma is a malignant pediatric brain tumor, often incurable under the current treatment regimen. We aimed to evaluate the expression of microRNAs (miRs) in pediatric ependymoma tumors in an attempt to identify prognostic molecular markers which would lead to potential therapeutic targets. Following miR-array expression analysis, we focused on 9 miRs that correlated with relapse which were further validated by quantitative real time PCR (qRT-PCR) in a cohort of 67 patients. Western blotting and immunohistochemistry were used to measure target protein expression in 20 and 34 tumor samples, respectively...
April 24, 2017: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/28437789/comparative-proteomics-uncovers-correlated-signaling-network-and-potential-biomarkers-for-progression-of-prostate-cancer
#15
Jianzhong Ai, Yi Lu, Qiang Wei, Hong Li
BACKGROUND/AIMS: Prostate cancer is one of the most common cancers for males worldwide, and it is prone to show the metastatic foci in lymph node and bone with high mortality. To date, the potential mechanism and the corresponding biomarkers for metastatic prostate cancer are still lacking. Hence, our study aims to clarify the mechanism of prostate cancer progression and identify the useful biomarkers for metastatic prostate cancer. METHODS: The proteins and network tightly associated with tumor metastasis were identified using quantitative proteomics...
January 10, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28437785/the-retina-of-asian-and-african-elephants-comparison-of-newborn-and-adult
#16
Heidrun Kuhrt, Andreas Bringmann, Wolfgang Härtig, Gudrun Wibbelt, Leo Peichl, Andreas Reichenbach
Elephants are precocial mammals that are relatively mature as newborns and mobile shortly after birth. To determine whether the retina of newborn elephants is capable of supporting the mobility of elephant calves, we compared the retinal structures of 2 newborn elephants (1 African and 1 Asian) and 2 adult animals of both species by immunohistochemical and morphometric methods. For the first time, we present here a comprehensive qualitative and quantitative characterization of the cellular composition of the newborn and the adult retinas of 2 elephant species...
April 25, 2017: Brain, Behavior and Evolution
https://www.readbyqxmd.com/read/28437745/comparative-study-of-the-effects-of-gadolinium-chloride-and-gadolinium-based-magnetic-resonance-imaging-contrast-agent-on-freshwater-mussel-dreissena-plymorpha
#17
Houda Hanana, Patrice Turcotte, Chantale André, Christian Gagnon, François Gagné
Gadolinium (Gd), a metal of the lanthanide series used in various industrial and medical purposes is released into the aquatic environment. However, there are few aquatic toxicological studies addressing environmental effects of Gd which remains unknown in aquatic animals. Therefore, this study aimed to compare the effects of GdCl3 and a gadolinium-based MRI contrast agent (Omniscan), in zebra mussels after 28 days through a multibiomarker approach. Data revealed that after GdCl3 exposure, the mRNA level of metallothionein (MT) was modulated, those of cytochrome c oxidase (CO1) and superoxide dismutase (SOD) were increased, while gene expressions of catalase (CAT) and glutathione-S-transferase (GST) were downregulated...
April 21, 2017: Chemosphere
https://www.readbyqxmd.com/read/28437727/new-inter-correlated-genes-targeted-by-diatom-derived-polyunsaturated-aldehydes-in-the-sea-urchin-paracentrotus-lividus
#18
Nadia Ruocco, Anna Maria Fedele, Susan Costantini, Giovanna Romano, Adrianna Ianora, Maria Costantini
The marine environment is continually subjected to the action of stressors (including natural toxins), which represent a constant danger for benthic communities. In the present work using network analysis we identified ten genes on the basis of associated functions (FOXA, FoxG, GFI-1, nodal, JNK, OneCut/Hnf6, TAK1, tcf4, TCF7, VEGF) in the sea urchin Paracentrotus lividus, having key roles in different processes, such as embryonic development and asymmetry, cell fate specification, cell differentiation and morphogenesis, and skeletogenesis...
April 21, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28437725/evaluation-of-ecotoxicological-effects-of-benzophenone-uv-filters-luminescent-bacteria-toxicity-genotoxicity-and-hormonal-activity
#19
Qiuya Zhang, Xiaoyan Ma, Mawuli Dzakpasu, Xiaochang C Wang
The widespread use of organic ultraviolet (UV) filters in personal care products raises concerns about their potentially hazardous effects on human and ecosystem health. In this study, the toxicities of four commonly used benzophenones (BPs) UV filters including benzophenone (BP), 2-Hydroxybenzophenone (2HB), 2-Hydroxy-4-methoxybenzophenone (BP3), and 2-Hydroxy-4-methoxybenzophenone-5-sulfonicacid (BP4) in water were assayed in vitro using Vibrio fischeri, SOS/umu assay, and yeast estrogen screen (YES) assay, as well as in vivo using zebrafish larvae...
April 21, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28437675/whole-blood-sequencing-reveals-circulating-microrna-associations-with-high-risk-traits-in-non-st-segment-elevation-acute-coronary-syndrome
#20
Alice Wang, Lydia Coulter Kwee, Elizabeth Grass, Megan L Neely, Simon G Gregory, Keith A A Fox, Paul W Armstrong, Harvey D White, E Magnus Ohman, Matthew T Roe, Svati H Shah, Mark Y Chan
BACKGROUND AND AIMS: Although circulating microRNA (miRNAs) have emerged as biomarkers predicting mortality in acute coronary syndrome (ACS), more data are needed to understand these mechanisms. Mapping miRNAs to high-risk traits may identify miRNAs involved in pathways conferring risk for poor outcome in ACS. We aim to investigate the relationship between circulating miRNAs and high-risk traits in non-ST-segment elevation acute coronary syndrome (NSTE-ACS). METHODS: Whole-genome miRNA sequencing was performed on RNA extracted from whole blood of 199 patients with NSTE-ACS...
March 30, 2017: Atherosclerosis
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