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dodecanoic acid

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https://www.readbyqxmd.com/read/29786832/the-primary-active-components-antioxidant-properties-and-differential-metabolite-profiles-of-radish-sprouts-raphanus-sativus-l-upon-domestic-storage-analysis-of-nutritional-quality
#1
Ru Li, Yi Zhu
BACKGROUND: This study aimed to analyze the nutritional quality of radish sprouts (Raphanus sativus L.) upon domestic short-term storage. We stored fresh radish sprouts at 25±1°C and at 4±1°C for 12 h, detected phenolic substances, glucosinolates, isothiocyanates, vitamin C, and various antioxidant and abiotic stress-related factors. We investigated nutrient-related metabolic differences and associated pathways and postharvest treatment effects on nutritional quality via metabolomics analysis...
May 21, 2018: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29748464/amphiphilic-compounds-assemble-into-membranous-vesicles-in-hydrothermal-hot-spring-water-but-not-in-seawater
#2
Daniel Milshteyn, Bruce Damer, Jeff Havig, David Deamer
There is a general assumption that amphiphilic compounds, such as fatty acids, readily form membranous vesicles when dispersed in aqueous phases. However, from earlier studies, it is known that vesicle stability depends strongly on pH, temperature, chain length, ionic concentration and the presence or absence of divalent cations. To test how robust simple amphiphilic compounds are in terms of their ability to assemble into stable vesicles, we chose to study 10- and 12-carbon monocarboxylic acids and a mixture of the latter with its monoglyceride...
May 10, 2018: Life
https://www.readbyqxmd.com/read/29627989/viscosity-peak-due-to-shape-transition-from-wormlike-into-disclike-micelles-effect-of-dodecanoic-acid
#3
Svetoslav E Anachkov, Gergana S Georgieva, Ludmila Abezgauz, Dganit Danino, Peter Atanassov Kralchevsky
Here, we have investigated the synergistic growth of long wormlike micelles and their transformation into disclike micelles, which occurs in three-component solutions composed of sodium lauryl ether sulfate (SLES; anionic), cocamidopropyl betaine (CAPB; zwitterionic), and dodecanoic acid (HC12; nonionic). The solution rheology is characterized in terms of zero-shear viscosities and characteristic times for micellar breaking and reptation. Furthermore, the microstructure evolution, leading to the observed rheological behavior, is revealed by cryo-TEM micrographs...
April 7, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29565327/synthesis-and-physicochemical-evaluation-of-entecavir-fatty-acid-conjugates-in-reducing-food-effect-on-intestinal-absorption
#4
Hyuck Jun Jung, Myoung Jin Ho, Sungwan Ahn, Young Taek Han, Myung Joo Kang
The oral bioavailability of entecavir (EV), an anti-viral agent commonly prescribed to treat hepatitis B infections, is drastically reduced under a post-prandial state. This is primarily due to its low permeability in the gastrointestinal tract. To reduce the food effect on the intestinal absorption of the nucleotide analogue, four lipidic prodrugs were synthesized via the esterification of the primary alcohol of EV with fatty acids (hexanoic acid, octanoic acid, decanoic acid, and dodecanoic acid). EV-3-dodecanoate (or EV-C12) exhibited high solubility in a fed state simulated intestinal fluid (78...
March 22, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29558120/foliar-exposure-of-cu-oh-2-nanopesticide-to-basil-ocimum-basilicum-variety-dependent-copper-translocation-and-biochemical-responses
#5
Wenjuan Tan, Qin Gao, Chaoyi Deng, Yi Wang, Wen-Yee Lee, Jose A Hernandez-Viezcas, Jose R Peralta-Videa, Jorge L Gardea-Torresdey
In this study, low and high anthocyanin basil ( Ocimum basilicum) varieties (LAV and HAV) were sprayed with 4.8 mg Cu/per pot from Cu(OH)2 nanowires, Cu(OH)2 bulk (CuPro), or CuSO4 and cultivated for 45 days. In both varieties, significantly higher Cu was determined in leaves of CuSO4 exposed plants (691 and 672.6 mg/kg for LAV and HAV, respectively); however, only in roots of HAV, Cu was higher, compared to control ( p ≤ 0.05). Nanowires increased n-decanoic, dodecanoic, octanoic, and nonanoic acids in LAV, but reduced n-decanoic, dodecanoic, octanoic, and tetradecanoic acids in HAV, compared with control...
April 4, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29522918/discovery-of-novel-drug-candidates-for-inhibition-of-soluble-epoxide-hydrolase-of-arachidonic-acid-cascade-pathway-implicated-in-atherosclerosis
#6
Arun Bahadur Gurung, Bishwarjit Mayengbam, Atanu Bhattacharjee
Soluble epoxide hydrolase (sEH), a key enzyme belonging to cytochrome P450 pathway of arachidonic acid cascade is a novel therapeutic drug target against atherosclerosis. The enzyme breaks down epoxyeicosatrienoic acid (EETs) to dihydroxy-eicosatrienoic acids (DHETs) and reduces beneficial cardiovascular properties of EETs. Thus, the present work is aimed at identification of potential leads as sEH inhibitors which will sustain the beneficial properties of EETs in vivo. PubChem and ZINC databases were screened for drug-like compounds based on Lipinski's rule of five and in silico toxicity filters...
March 6, 2018: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/29448869/development-and-validation-of-probe-drug-cocktails-for-the-characterization-of-cyp450-mediated-metabolism-by-human-heart-microsomes
#7
Jade Huguet, Fleur Gaudette, Veronique Michaud, Jacques Turgeon
1. The objective of our study was to develop and validate a cocktail approach to allow the simultaneous characterization of various CYP450-mediated oxidations by human heart microsomes for nine probe drug substrates, namely, 7-ethoxyresorufin, bupropion, repaglinide, tolbutamide, bufuralol, chlorzoxazone, ebastine, midazolam and dodecanoic acid. 2. The first validation step was conducted using recombinant human CYP450 isoenzymes by comparing activity measured for each probe drug as a function of (1) buffer used, (2) selectivity towards specific isoenzymes and (3) drug interactions between probes...
March 8, 2018: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
https://www.readbyqxmd.com/read/29376243/-discover-potential-inhibitors-of-5-lox-and-lta4h-from-rhei-radix-et-rhizoma-notopterygii-rhizoma-et-radix-and-genitana-macrophyllae-radix-based-on-molecular-simulation-methods
#8
Yu Gu, Xu Zhang, Yan-Kun Chen, Bo-Wen Zhao, Yan-Ling Zhang
5-lipoxygenase (5-LOX) and leukotriene A4 hydrolase (LTA4H), as the major targets of 5-LOX branch in the arachidonic acid (AA) metabolic pathway, play an important role in the treatment of inflammation. Rhei Radix et Rhizoma, Notopterygii Rhizoma et Radix and Genitana Macrophyllae Radix have clear anti-inflammation activities. In this paper, the targets of 5-LOX and LTA4H were used as the research carrier, and Hiphop module in DS4.0 (Discovery studio) was used to construct ingredients database for preliminary screening of three traditional Chinese medicines based on target inhibitor pharmacophore, so as to obtain 5-LOX and LTA4H potential active ingredients...
December 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29375928/computational-redesign-of-acyl-acp-thioesterase-with-improved-selectivity-toward-medium-chain-length-fatty-acids
#9
Matthew J Grisewood, Néstor J Hernandez Lozada, James B Thoden, Nathanael P Gifford, Daniel Mendez-Perez, Haley A Schoenberger, Matthew F Allan, Martha E Floy, Rung-Yi Lai, Hazel M Holden, Brian F Pfleger, Costas D Maranas
Enzyme and metabolic engineering offer the potential to develop biocatalysts for converting natural resources into a wide range of chemicals. To broaden the scope of potential products beyond natural metabolites, methods of engineering enzymes to accept alternative substrates and/or perform novel chemistries must be developed. DNA synthesis can create large libraries of enzyme-coding sequences, but most biochemistries lack a simple assay to screen for promising enzyme variants. Our solution to this challenge is structure-guided mutagenesis in which optimization algorithms select the best sequences from libraries based on specified criteria (i...
June 2, 2017: ACS Catalysis
https://www.readbyqxmd.com/read/29348589/novel-miniature-membrane-active-lipopeptidomimetics-against-planktonic-and-biofilm-embedded-methicillin-resistant-staphylococcus-aureus
#10
Seema Joshi, Sana Mumtaz, Jyotsna Singh, Santosh Pasha, Kasturi Mukhopadhyay
Escalating multidrug resistance and highly evolved virulence mechanisms have aggravated the clinical menace of methicillin-resistant Staphylococcus aureus (MRSA) infections. Towards development of economically viable staphylocidal agents here we report eight structurally novel tryptophan-arginine template based peptidomimetics. Out of the designed molecules, three lipopeptidomimetics (S-6, S-7 and S-8) containing 12-amino dodecanoic acid exhibited cell selectivity and good to potent activity against clinically relevant pathogens MRSA, methicillin-resistant Staphylococcus epidermidis and vancomycin-resistant Enterococcus faecium (MIC: 1...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29338165/how-ligands-affect-resistive-switching-in-solution-processed-hfo-2-nanoparticle-assemblies
#11
Jiaying Wang, Satyan Choudhary, Jonathan De Roo, Katrien De Keukeleere, Isabel Van Driessche, Alfred J Crosby, Stephen S Nonnenmann
Advancement of resistive random access memory (ReRAM) requires fully understanding the various complex, defect-mediated transport mechanisms to further improve performance. Although thin-film oxide materials have been extensively studied, the switching properties of nanoparticle assemblies remain underexplored due to difficulties in fabricating ordered structures. Here, we employ a simple flow coating method for the facile deposition of highly ordered HfO2 nanoparticle nanoribbon assemblies. The resistive switching character of nanoribbons was determined to correlate directly with the organic capping layer length of their constituting HfO2 nanoparticles, using oleic acid, dodecanoic acid, and undecenoic acid as model nanoparticle ligands...
February 7, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29311641/blockade-of-soluble-epoxide-hydrolase-attenuates-post-ischemic-neuronal-hyperexcitation-and-confers-resilience-against-stroke-with-trkb-activation
#12
Li-Hsin Chang, Hui-Ching Lin, Shiang-Suo Huang, I-Chih Chen, Kai-Wen Chu, Chun-Lien Chih, Yao-Wen Liang, Yi-Chung Lee, You-Yin Chen, Yi-Hsuan Lee, I-Hui Lee
Inhibition and deletion of soluble epoxide hydrolase (sEH) has been suggested to ameliorate infarction in experimental ischemic stroke possibly via vasoactive epoxyeicosatrienoic acids. However, it is unknown whether the neuroprotective mechanisms involve alteration of post-ischemic neuronal transmission and neurotrophic signaling. We used a permanent middle cerebral artery occlusion (MCAO) model in adult wild-type mice with the sEH inhibitor 12-(3-adamantan-1-yl-ureido)dodecanoic acid (AUDA) post-treatment and in sEH knockout (sEH KO) mice...
January 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29299125/serum-metabolomic-profiling-of-human-gastric-cancer-and-its-relationship-with-the-prognosis
#13
Daguang Wang, Wei Li, Qi Zou, Lei Yin, Yechao Du, Jingkai Gu, Jian Suo
Objective: This study was aimed to investigate serum metabolites in gastric cancer (GC) patients and their relationships with the prognosis of GC in order to find potential specific serum biomarkers for GC. Methods: Blood samples of 125 GC patients of unifocal GC at initial stage and 38 healthy people recruited in our hospital from September 2008 to August 2009 were analyzed by using high performance liquid chromatography coupled with electrospray ionization/quadrupole-time-of-flight mass spectrometry (HPLCESI/Q-TOFMS)...
December 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/29285425/active-maintenance-of-endothelial-cells-prevents-kidney-fibrosis
#14
Seung Hee Yang, Yong Chul Kim, Jung Nam An, Jin Hyuk Kim, Juhoh Lee, Hee-Yoon Lee, Joo-Youn Cho, Jin Ho Paik, Yun Kyu Oh, Chun Soo Lim, Yon Su Kim, Jung Pyo Lee
Background: Soluble epoxide hydrolase (sEH) expressed by endothelial cells catalyzes the metabolism of epoxyeicosatrienoic acids (EETs), which are vasoactive agents. Methods: We used a unilateral ureteral obstruction mouse model of kidney fibrosis to determine whether inhibition of sEH activity reduces fibrosis, the final common pathway for chronic kidney disease. Results: sEH activity was inhibited by continuous release of the inhibitor 12-(3-adamantan-1-ylureido)-dodecanoic acid (AUDA) for 1 or 2 weeks...
December 2017: Kidney Research and Clinical Practice
https://www.readbyqxmd.com/read/29281685/nanoparticle-size-and-production-efficiency-are-affected-by-the-presence-of-fatty-acids-during-albumin-nanoparticle-fabrication
#15
Christian C Luebbert, Tessa M Clarke, Roberta Pointet, Grant E Frahm, Sharon Tam, Barry Lorbetskie, Simon Sauvé, Michael J W Johnston
We have previously identified extensive glycation, bound fatty acids and increased quantities of protein aggregates in commercially available recombinant HSA (rHSA) expressed in Oryza sativa (Asian rice) (OsrHSA) when compared to rHSA from other expression systems. We propose these differences may alter some attributes of nanoparticles fabricated with OsrHSA, as studies have associated greater quantities of aggregates with increased nanoparticle diameters. To determine if this is the case, nanoparticles were fabricated with OsrHSA from various suppliers using ethanol desolvation and subsequent glutaraldehyde cross-linking...
2017: PloS One
https://www.readbyqxmd.com/read/29247604/biosynthesis-of-the-nylon-12-monomer-%C3%AF-aminododecanoic-acid-with-novel-cyp153a-alkj-and-%C3%AF-ta-enzymes
#16
Md Murshidul Ahsan, Hyunwoo Jeon, Saravanan P Nadarajan, Taeowan Chung, Hee-Wang Yoo, Byung-Gee Kim, Mahesh D Patil, Hyungdon Yun
Bioplastics are derived from renewable biomass sources, such as vegetable oils, cellulose, and starches. An important and high-performance member of the bioplastic family is Nylon 12. The biosynthesis of ω-amino dodecanoic acid (ω-AmDDA), the monomer of Nylon 12 from vegetable oil derivatives is considered as an alternative to petroleum-based monomer synthesis. In this study, for the production of ω-AmDDA from dodecanoic acid (DDA), the cascade of novel P450 (CYP153A), alcohol dehydrogenase (AlkJ), and ω-transaminase (ω-TA) is developed...
December 16, 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/29232926/differential-effects-of-seh-inhibitors-on-the-proliferation-and-migration-of-vascular-smooth-muscle-cells
#17
Hyo Seon Kim, Sang Kyum Kim, Keon Wook Kang
Epoxyeicosatrienoic acid (EET) is a cardioprotective metabolite of arachidonic acid. It is known that soluble epoxide hydrolase (sEH) is involved in the metabolic degradation of EET. The abnormal proliferation and migration of vascular smooth muscle cells (VSMCs) play important roles in the pathogenesis of atherosclerosis and restenosis. Thus, the present study investigated the effects of the sEH inhibitor 12-(((tricyclo(3.3.1.13,7)dec-1-ylamino)carbonyl)amino)-dodecanoic acid (AUDA) on platelet-derived growth factor (PDGF)-induced proliferation and migration in rat VSMCs...
December 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29217159/the-chemical-composition-and-trypanocidal-activity-of-volatile-oils-from-brazilian-caatinga-plants
#18
Larissa Isabela Oliveira de Souza, Patrícia Cristina Bezzera-Silva, Daniela Maria do Amaral Ferraz Navarro, Alexandre Gomes da Silva, Maria Tereza Dos Santos Correia, Márcia Vanusa da Silva, Regina Celia Bressan Queiroz de Figueiredo
Essential/volatile oils (EOs) from plants used in the traditional medicine are known as a rich source of chemically diverse compounds with relevant biological activities. In this work we analysed the chemical composition and the in vitro effects of EOs from leaves of Eugenia brejoensis (EBEO), Hyptis pectinata (HPEO), Hypenia salzmannii (HSEO), Lippia macrophylla (LMEO) and seeds of Syagrus coronata (SCEO) on Trypanosoma cruzi, the etiological agent of Chagas disease. The EOs were extracted through hydrodistillation and its chemical composition analysed by GC/MS...
December 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29202699/comparison-of-lipopolysaccharides-composition-of-two-different-strains-of-helicobacter-pylori
#19
Kristy Leker, Ivonne Lozano-Pope, Keya Bandyopadhyay, Biswa P Choudhury, Marygorret Obonyo
BACKGROUND: Helicobacter pylori (H. pylori) is a Gram-negative, microaerophilic bacterium that is recognized as a major cause of chronic gastritis, peptic ulcers, and gastric cancer. Comparable to other Gram-negative bacteria, lipopolysaccharides (LPS) are an important cellular component of the outer membrane of H. pylori. The LPS of this organism plays a key role in its colonization and persistence in the stomach. In addition, H. pylori LPS modulates pathogen-induced host inflammatory responses resulting in chronic inflammation within the gastrointestinal tract...
December 4, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/29191041/new-butyrolactone-and-other-metabolites-from-the-bark-of-endlicheria-arenosa-against-of-the-phytopathogen-colletotrichum-tamarilloi
#20
Lady T Albarracín, Wilman Delgado, Luis Enrique Cuca, Mónica C Ávila
In this work, screening of Lauraceae species for their antifungal activity against Collectotrichum tamarilloi was carried out and the ethanol extract derived from the bark of Endlicheria arenosa was found to be the best candidate. From the ethanolic extract of the bark of E. arenosa, the hexane and chloroform fractions were found to be active, from these five fatty acids were identified and two lactones were isolated. The most active fatty acid was the dodecanoic acid with a minimal inhibitory concentration (MIC) of 78...
November 30, 2017: Natural Product Research
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