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https://www.readbyqxmd.com/read/28343361/genetic-dissociation-of-morphine-analgesia-from-hyperalgesia-in-mice
#1
Gina F Marrone, Valerie Le Rouzic, Andras Varadi, Jin Xu, Anjali M Rajadhyaksha, Susruta Majumdar, Ying-Xian Pan, Gavril W Pasternak
RATIONALE: Morphine is the prototypic mu opioid, producing its analgesic actions through traditional 7 transmembrane domain (7TM) G-protein-coupled receptors generated by the mu opioid receptor gene (Oprm1). However, the Oprm1 gene undergoes extensive alternative splicing to yield three structurally distinct sets of splice variants. In addition to the full-length 7TM receptors, it produces a set of truncated variants comprised of only 6 transmembrane domains (6TM). OBJECTIVES: This study explored the relative contributions of 7TM and 6TM variants in a range of morphine actions...
March 25, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28343247/development-of-a-qtl-environment-based-predictive-model-for-node-addition-rate-in-common-bean
#2
Li Zhang, Salvador A Gezan, C Eduardo Vallejos, James W Jones, Kenneth J Boote, Jose A Clavijo-Michelangeli, Mehul Bhakta, Juan M Osorno, Idupulapati Rao, Stephen Beebe, Elvin Roman-Paoli, Abiezer Gonzalez, James Beaver, Jaumer Ricaurte, Raphael Colbert, Melanie J Correll
This work reports the effects of the genetic makeup, the environment and the genotype by environment interactions for node addition rate in an RIL population of common bean. This information was used to build a predictive model for node addition rate. To select a plant genotype that will thrive in targeted environments it is critical to understand the genotype by environment interaction (GEI). In this study, multi-environment QTL analysis was used to characterize node addition rate (NAR, node day(- 1)) on the main stem of the common bean (Phaseolus vulgaris L)...
March 25, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28343195/research-of-the-protection-actions-of-derived-2-oxoindole-in-acute-stress
#3
Ruslan V Lutsenko, Andrei V Vakhnenko, Elena V Vlasova
INTRODUCTION: Correction of pathological anxiety and stress level of frustration leads to the development of new anxiolytics, notably including derivatives of 2-oksoyndolyn- 3-hlyoksylic acid. The aim of work - to study the effect of 2-oksyindolin-3-hlyoksylic acid on emotional and behavioral reactions of rats subjected to behavioral stress tests of different averiability. MATERIALS AND METHODS: In experiments on 150 white mature male rats Wistar investigated the effects of 2-oksoindolin (2-hydroxy-N-naphthalene-1-yl-2-(2-hydroxy-1,2- dihydro-indole-3-ylidene)-acetamide) with laboratory codes 18 when intraperitoneally administered to acute immobilization stress on Sel'ye on emotional and behavioral responses of animals to test «open field», «a raised cross maze» and test «conflict behavior» (option Vogel)...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28343170/mirnas-single-nucleotide-polymorphisms-snps-and-age-related-macular-degeneration-amd
#4
John Paul SanGiovanni, Peter M SanGiovanni, Przemysław Sapieha, Vincent De Guire
Advanced age-related macular degeneration (AAMD) is a complex sight-threating disease of public health significance. Micro RNAs (miRNAs) have been proposed as biomarkers for AAMD. The presence of certain single nucleotide polymorphisms (SNPs) may influence the explanatory value of these biomarkers. Here we present findings from an integrated approach used to determine whether AAMD-associated SNPs have the capacity to influence miRNA-mRNA pairing and, if so, to what extent such pairing may be manifested in a discrete AAMD transcriptome...
March 27, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28343137/synthesis-of-novel-muramic-acid-derivatives-and-their-interaction-with-lysozyme-action-of-lysozyme-revisited
#5
Manas Jana, Anirban Ghosh, Abhishek Santra, Rajiv Kumar Kar, Anup Kumar Misra, Anirban Bhunia
HYPOTHESIS: The interaction of lysozyme with the N-acetylmuramic acid (NAM) and N-acetylglucosamine (NAG) unit of peptidoglycan (PGN) polymer of the bacterial cell wall is of immense importance to understand the mechanism of lysozyme on PGN. EXPERIMENTS: The synthesis of three novel NAM derivatives containing fused oxazinone ring to the NAM moiety has been achieved. The synthesized compounds were evaluated for their potential as a glycomimetic acceptor of lysozyme using different biophysical and computational methods such as (1)H NMR, STD NMR, DOSY and Molecular docking...
March 16, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28343135/monodisperse-ag-pd-core-shell-nanoparticles-assembled-on-reduced-graphene-oxide-as-highly-efficient-catalysts-for-the-transfer-hydrogenation-of-nitroarenes
#6
Önder Metin, Hasan Can, Kıvılcım Şendil, Mehmet Serdar Gültekin
Addressed herein is a facile seed-mediated synthesis of Ag/Pd core/shell nanoparticles (NPs) and their assembly on reduced graphene oxide (rGO) to catalyze the transfer hydrogenation of nitroarenes to anilines using ammonia borane (AB) as a hydrogen donor under ambient conditions. Monodisperse Ag/Pd core/shell NPs with controllable Pd shell-thickness were synthesized by the means of thermal decomposition of palladium(II) bromide over as-prepared Ag NPs in the mixture of oleylamine and oleic acid at 220°C. As-synthesized Ag/Pd core/shell NPs were characterized by TEM, HR-TEM, XRD, XPS, UV-Vis spectroscopy and ICP-MS and then they were assembled on reduced graphene oxide (rGO)...
March 18, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28343118/real-time-formation-of-salivary-films-onto-polymeric-materials-for-dental-applications-differences-between-unstimulated-and-stimulated-saliva
#7
Florian Weber, Alejandro Barrantes
The formation of salivary films onto oral prostheses materials is of central importance for understanding their performance and interaction with oral tissue and flora. The aim of this work was to study and compare the salivary films formed from unstimulated and stimulated whole saliva on two common polymeric materials, polycarbonate and poly(methyl methacrylate). Irradiating these materials with UV light is a simple way to modify their wettability, roughness and ζ-potential. Therefore, the effect of UV exposure of polycarbonate and poly(methyl methacrylate) on saliva adsorption was also investigated...
March 9, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28343105/photoluminescence-light-up-detection-of-zinc-ion-and-imaging-in-living-cells-based-on-the-aggregation-induced-emission-enhancement-of-glutathione-capped-copper-nanoclusters
#8
Liyun Lin, Yuefang Hu, Liangliang Zhang, Yong Huang, Shulin Zhao
In this work, we prepared glutathione (GSH)-capped copper nanoclusters (Cu NCs) with red emission by simply adjusting the pH of GSH/Cu(2+) mixture at room temperature. A photoluminescence light-up method for detecting Zn(2+) was then developed based on the aggregation induced emission enhancement of GSH-capped Cu NCs. Zn(2+) could trigger the aggregation of Cu NCs, inducing the enhancement of luminescence and the increase of absolute quantum yield from 1.3% to 6.2%. GSH-capped Cu NCs and the formed aggregates were characterized, and the possible mechanism was also discussed...
March 19, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28343103/pd-au-carbon-dots-nanocomposite-facile-synthesis-and-application-as-an-ultrasensitive-electrochemical-biosensor-for-determination-of-colitoxin-dna-in-human-serum
#9
Qitong Huang, Xiaofeng Lin, Jie-Ji Zhu, Qing-Xiao Tong
In this study, a green and fast method was developed to synthesize high-yield carbon dots (CDs) via one-pot microwave treatment of banana peels without using any other surface passivation agents. Then the as-prepared CDs was used as the reducing agent and stabilizer to synthesize a Pd-Au@CDs nanocomposite by a simple sequential reduction strategy. Finally, Pd-Au@CDs nanocomposite modified glassy carbon electrode (Pd-Au@CDs/GCE) was obtained as a biosensor for target DNA after being immobilized a single-stranded probe DNA by a carboxyl ammonia condensation reaction...
March 22, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28343061/automated-diabetic-macular-edema-dme-grading-system-using-dwt-dct-features-and-maculopathy-index
#10
U Rajendra Acharya, Muthu Rama Krishnan Mookiah, Joel E W Koh, Jen Hong Tan, Sulatha V Bhandary, A Krishna Rao, Yuki Hagiwara, Chua Kuang Chua, Augustinus Laude
The cause of diabetic macular edema (DME) is due to prolonged and uncontrolled diabetes mellitus (DM) which affects the vision of diabetic subjects. DME is graded based on the exudate location from the macula. It is clinically diagnosed using fundus images which is tedious and time-consuming. Regular eye screening and subsequent treatment may prevent the vision loss. Hence, in this work, a hybrid system based on Radon transform (RT), discrete wavelet transform (DWT) and discrete cosine transform (DCT) are proposed for an automated detection of DME...
March 19, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28343060/uv-chlorine-treatment-of-carbamazepine-transformation-products-and-their-formation-kinetics
#11
Yanheng Pan, ShuangShuang Cheng, Xin Yang, Jingyue Ren, Jingyun Fang, Chii Shang, Weihua Song, Lushi Lian, Xinran Zhang
Carbamazepine (CBZ) is one of the pharmaceuticals most frequently detected in the aqueous environment. This study investigated the transformation products when CBZ is degraded by chlorine under ultraviolet (UV) irradiation (the UV/chlorine process). Detailed pathways for the degradation of CBZ were elucidated using ultra-high performance liquid chromatography (UHPLC)-quadrupole time-of-flight mass spectrometry (QTOF-MS). CBZ is readily degraded by hydroxyl radicals (HO) and chlorine radicals (Cl) in the UV/chlorine process, and 24 transformation products were identified...
March 23, 2017: Water Research
https://www.readbyqxmd.com/read/28343058/butyric-acid-production-from-lignocellulosic-biomass-hydrolysates-by-engineered-clostridium-tyrobutyricum-overexpressing-xylose-catabolism-genes-for-glucose-and-xylose-co-utilization
#12
Hongxin Fu, Shang-Tian Yang, Minqi Wang, Jufang Wang, I-Ching Tang
Clostridium tyrobutyricum can utilize glucose and xylose as carbon source for butyric acid production. However, xylose catabolism is inhibited by glucose, hampering butyric acid production from lignocellulosic biomass hydrolysates containing both glucose and xylose. In this study, an engineered strain of C. tyrobutyricum Ct-pTBA overexpressing heterologous xylose catabolism genes (xylT, xylA, and xylB) was investigated for co-utilizing glucose and xylose present in hydrolysates of plant biomass, including soybean hull, corn fiber, wheat straw, rice straw, and sugarcane bagasse...
March 15, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28343057/effects-of-side-stream-ratio-on-sludge-reduction-and-microbial-structures-of-anaerobic-side-stream-reactor-coupled-membrane-bioreactors
#13
Cheng Cheng, Zhen Zhou, Tianhao Niu, Ying An, Xuelian Shen, Wei Pan, Zhihui Chen, Jin Liu
An anoxic/oxic membrane bioreactor (AO-MBR) and three anaerobic side-stream reactor (ASSR) coupled MBRs (ASSR-MBR) were operated to investigate effects of side-stream ratio (SR) on sludge reduction and microbial community structure of ASSR-MBRs. The ASSR-MBR achieved efficient COD and ammonium nitrogen removal. SR increased from 0.2 to 1.0 favored nitrogen removal, and increased sludge reduction from 6.0% to 49.7%. The total released COD in the ASSR increased with the rising SR and was inversely proportional to sludge yield of ASSR-MBR...
March 15, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28343049/stabilisation-of-spent-mushroom-substrate-for-application-as-a-plant-growth-promoting-organic-amendment
#14
Fabiana S Paula, Enrico Tatti, Florence Abram, Jude Wilson, Vincent O'Flaherty
Over three million tonnes of spent mushroom substrate (SMS) are produced in Europe every year as a by-product of the cultivation of Agaricus bisporus. The management of SMS has become an increasing challenge for the mushroom production industry, and finding environmentally and economically sustainable solutions for this organic residue is, therefore, highly desirable. Due to its physical properties and nutrient content, SMS has great potential to be employed in agricultural and horticultural sectors, and further contribute to reduce the use of non-renewable resources, such as peat...
March 23, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28343029/meta-analysis-of-transhiatal-esophagectomy-in-carcinoma-of-esophagogastric-junction-does-it-have-an-advantage
#15
REVIEW
Rong Yan, Chengxue Dang
PURPOSE: Compare the clinical outcome of Transhiatal Esophagectomy (THE) approach and open Thoracic Esophagectomy (TTE) approach in the carcinoma of esophagogastric junction (CEGJ). METHODS: Relevant literature published until 2016 from PubMed, Cochrane Library, Ovid (Medline) and EMBASE were retrieved. Meta-analysis was achieved by using the Stata12 software. RESULTS: A total of 18 studies and 2202 cases of patients were involved in this meta-analysis...
March 22, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28342970/not-in-one-metric-neuroticism-modulates-different-resting-state-metrics-within-distinctive-brain-regions
#16
Claudio Gentili, Ioana Alina Cristea, Emiliano Ricciardi, Nicola Vanello, Cristian Popita, Daniel David, Pietro Pietrini
INTRODUCTION: Neuroticism is a complex personality trait encompassing diverse aspects. Notably, high levels of neuroticism are related to the onset of psychiatric conditions, including anxiety and mood disorders. Personality traits are stable individual features; therefore, they can be expected to be associated with stable neurobiological features, including the Brain Resting State (RS) activity as measured by fMRI. Several metrics have been used to describe RS properties, yielding rather inconsistent results...
March 22, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28342964/establishing-a-novel-biosynthetic-pathway-for-the-production-of-3-4-dihydroxybutyric-acid-from-xylose-in-escherichia-coli
#17
Jia Wang, Xiaolin Shen, Rachit Jain, Jian Wang, Qipeng Yuan, Yajun Yan
3-Hydroxy-γ-butyrolactone (3HBL) is an attractive building block owing to its broad applications in pharmaceutical industry. Currently, 3HBL is commercially produced by chemical routes using petro-derived carbohydrates, which involves hazardous materials and harsh processing conditions. Only one biosynthetic pathway has been reported for synthesis of 3HBL and its hydrolyzed form 3,4-dihydroxybutyric acid (3,4-DHBA) using glucose and glycolic acid as the substrates and coenzyme A as the activator, which involves multiple steps (>10 steps) and suffers from low productivity and yield...
March 23, 2017: Metabolic Engineering
https://www.readbyqxmd.com/read/28342864/oslbd37-and-oslbd38-two-class-ii-type-lbd-proteins-are-involved-in-the-regulation-of-heading-date-by-controlling-the-expression-of-ehd1-in-rice
#18
Chaonan Li, Shanshan Zhu, Huan Zhang, Liping Chen, Maohong Cai, Jiachang Wang, Juntao Chai, Fuqing Wu, Zhijun Cheng, Xiuping Guo, Xin Zhang, Jianmin Wan
LATERAL ORGAN BOUNDARIES DOMAIN (LBD) proteins are plant-specific transcription factors which are involved in many biological process of plant development, including lateral organ development, photomorphogenesis, pathogen response, pollen development and plant regeneration. Here, we report new functions of LBD proteins that participate in the regulation of heading date and yield in rice. OsLBD37 and OsLBD38 are two class II type LBD proteins, function as transcriptional activators. Overexpression of OsLBD37 and OsLBD38 separately causes delayed heading date and increased yield...
March 22, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28342808/role-of-mtorc1-s6k1-signaling-pathway-in-regulation-of-hematopoietic-stem-cell-and-acute-myeloid-leukemia
#19
REVIEW
Joydeep Ghosh, Reuben Kapur
Dysregulation of the mechanistic target of rapamycin complex 1 (mTORC1)-p70 ribosomal protein kinase 1 (S6K1) signaling pathway occurs frequently in acute myeloid leukemia (AML) patients. This pathway also plays a critical role in maintaining normal cellular processes. Given the importance of leukemia stem cells (LSC) in the development of minimal residual disease (MRD), it is critical to use therapeutic interventions that target LSC population to prevent disease relapse. mTORC1-S6K1 pathway has been identified as an important regulator of hematopoietic stem cell (HSC) and LSC functions...
March 22, 2017: Experimental Hematology
https://www.readbyqxmd.com/read/28342728/comparative-analysis-for-diagnostic-yield-of-small-cell-lung-cancer-by-cytology-and%C3%A2-histology-during-the-same-bronchoscopic%C3%A2-procedure
#20
Wei-Nan Li, Di-Fei Wang, Ya-Bin Zhao, Xue-Shan Qiu, En-Hua Wang, Guang-Ping Wu
BACKGROUND: Biopsy, brushing, and transbronchial needle aspiration (TBNA) are the most common methods used for the diagnosis of small cell lung cancer during the same diagnostic bronchoscopic procedure. However, it is not clear which method provides better results. PATIENTS AND METHODS: A retrospective analysis was performed of 140 patients who had undergone video bronchoscopy for diagnostic purposes. Bronchial brushings were obtained from all subjects. Biopsy specimens were also obtained from all subjects, except for 6 cases that could not be sampled; the TBNA method was used for some special lesions...
March 2, 2017: Clinical Lung Cancer
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