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https://www.readbyqxmd.com/read/29334590/highly-dispersible-and-bioavailable-curcumin-but-not-native-curcumin-induces-brown-like-adipocyte-formation-in-mice
#1
Sho Nishikawa, Misa Kamiya, Hiroki Aoyama, Mami Nomura, Takuma Hyodo, Aoi Ozeki, Hyunjin Lee, Tsukasa Takahashi, Atsushi Imaizumi, Takanori Tsuda
SCOPE: The induction of brown-like adipocytes in white adipose tissue (WAT) is a potential therapeutic target for the treatment of obesity and metabolic disorders via the ability of these cells to release excess energy as heat in association with uncoupling protein 1. Some experimental trials suggest that curcumin (a yellow pigment from turmeric) has a suppressive effect on the accumulation of body fat. However, there is little evidence to show that curcumin induces the formation of brown-like adipocytes and the molecular mechanisms involved remain elusive...
January 15, 2018: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/29334460/multiple-stimuli-responses-of-stereo-isomers-of-aie-active-ethynylene-bridged-and-pyridyl-modified-tetraphenylethene
#2
Zhaoyang Wang, Xiao Cheng, Anjun Qin, Haoke Zhang, Jing Zhi Sun, Ben Zhong Tang
Luminescent molecules with aggregation-induced emission (AIE) property, or AIE-gens are typical stimuli-responsive materials and many AIE-gens have shown luminescent responses to mechano-, thermo-, electro-, vapo- and/or solvato-stimulus, but the detailed structure-property relationship has been addressed for only few of them. Here, we report a tetraphenylethene (TPE) derivative with pyridyl modifiers and ethynylene bridges. The (Z)- and (E)-isomers are clearly purified and both of them are AIE-active and demonstrate multiple luminescent responses to external stimuli...
January 15, 2018: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/29334394/substitution-of-the-laser-borane-anti-b18h22-with-pyridine-a-structural-and-photophysical-study-of-some-unusually-structured-macropolyhedral-boron-hydrides
#3
Michael G S Londesborough, Jiří Dolanský, Tomáš Jelínek, John D Kennedy, Ivana Císařová, Robert D Kennedy, Daniel Roca-Sanjuán, Antonio Francés-Monerris, Kamil Lang, William Clegg
Reaction of anti-B18H221 with pyridine in neutral solvents gives sparingly soluble B16H18-3',8'-Py23a as the major product (ca. 53%) and B18H20-6',9'-Py22 (ca. 15%) as the minor product, with small quantities of B18H20-8'-Py 4 (ca. 1%) also being formed. The three new compounds 2, 3a and 4 are characterized by single-crystal X-ray diffraction analyses and by multinuclear multiple-resonance NMR spectroscopy. Compound 2 is of ten-vertex nido:ten-vertex arachno two-atoms-in-common architecture, long postulated for a species with borons-only cluster constitution, but previously elusive...
January 15, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29334223/a-novel-color-modulation-analysis-strategy-through-tunable-multiband-laser-for-nanoparticle-identification-and-evaluation
#4
Xuan Cao, Gang Lei, Jingjing Feng, Qi Pan, Xiaodong Wen, Yan He
Creating color difference and improving the color resolution in digital imaging is crucial for better application of color analy-sis. Herein, a novel color modulation analysis strategy was developed by using a homemade tunable multiband laser illumi-nation device, in which the portions of R, G, and B components of the illumination light are discretionarily adjustable, and hence the sample color could be visually modulated continuously in the RGB color space. Through this strategy, the color appearance of single gold nanorods (AuNRs) under dark-field microscopy, was migrated from the spectrally insensitive red region to the spectrally sensitive green-yellow-red region...
January 15, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29333390/physicochemical-and-consumer-acceptance-of-tofu-supplemented-with-licorice-powder
#5
Jun Ho Lee, Han San Jung
To develop functionally and nutritionally improved tofu, the effects of partial (0.2~0.8%) replacement with licorice powder (LP) on the quality characteristics of tofu were investigated. The pH and turbidity values decreased upon addition of increasing amounts of LP (P<0.05). The yield of LP-supplemented tofu was higher than that of the control tofu, and it increased as the concentration of LP increased (P<0.05). Substituting 0.6% and above of LP significantly hardened the texture of tofu (P<0.05) while control and 0...
December 2017: Preventive Nutrition and Food Science
https://www.readbyqxmd.com/read/29332801/a-highly-selective-colorimetric-and-ratiometric-fluorescent-probe-for-nh2nh2-and-its-bioimaging
#6
Hai Xu, Biao Gu, Yaqian Li, Zhen Huang, Wei Su, Xiaoli Duan, Peng Yin, Haitao Li, Shouzhuo Yao
In this work, we report a novel approach which employed substrate-triggered intramolecular addition-cyclization cascade to develop a highly selective fluorescent probe E)-3-(4-(1H-phenanthro[9,10-d]imidazol-2-yl)phenyl)-1-(2-hydroxylphenyl) prop-2-en-1-one (P-OH) for NH2NH2. The new sensing mechanism of P-OH for NH2NH2 was investigated in detail by fluorescence spectroscopy, 1H NMR titration, mass spectrometry and control experiments. The synthesized probe showed ratiometric fluorescent response to NH2NH2 with naked-eye color changes from yellow to colorless...
April 1, 2018: Talanta
https://www.readbyqxmd.com/read/29332340/imperatorin-shows-selective-antitumor-effects-in-sgc-7901-human-gastric-adenocarcinoma-cells-by-inducing-apoptosis-cell-cycle-arrest-and-targeting-pi3k-akt-m-tor-signalling-pathway
#7
J U Am, W J Gong, Y Su, Z B Mou
PURPOSE: The main purpose of the present study was to determine the anticancer properties of imperatorin - a naturally occurring coumarin compound - against SGC-7901 human gastric adenocarcinoma cells and the mouse fibroblast cell line 3T3 (normal cell line). METHODS: Imperatorin effects on apoptosis induction, cell cycle phase distribution and PI3K/Akt/m-TOR signalling pathways were studied. MTT cell viability assay examined the compound's cytotoxic potential, while inverted phase contrast microscopy and fluorescence microscopy techniques were used to study morphological changes induced in SGC-7901 cells by imperatorin...
November 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29332299/similarity-search-combined-with-docking-and-molecular-dynamics-for-novel-hache-inhibitor-scaffolds
#8
Nadia Melo Borges, Geraldo Rodrigues Sartori, Jean F R Ribeiro, Josmar R Rocha, João B L Martins, Carlos A Montanari, Ricardo Gargano
The main purpose of this study was to address the performance of virtual screening methods based on ligands and the protein structure of acetylcholinesterase (AChE) in order to retrieve novel human AChE (hAChE) inhibitors. In addition, a protocol was developed to identify novel hit compounds and propose new promising AChE inhibitors from the ZINC database with 10 million commercially available compounds. In this sense, 3D similarity searches using rapid overlay of chemical structures and similarity analysis through comparison of electrostatic overlay of docked hits were used to retrieve AChE inhibitors from collected databases...
January 13, 2018: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/29331788/curcumin-inhibits-cardiac-hypertrophy-and-improves-cardiovascular-function-via-enhanced-na-ca2-exchanger-expression-after-transverse-abdominal-aortic-constriction-in-rats
#9
Xiao-Jie Bai, Jun-Tao Hao, Jin Wang, Wei-Fang Zhang, Cai-Ping Yan, Jia-Hui Zhao, Zhi-Qing Zhao
BACKGROUND: This study tested the hypothesis that inhibition of cardiac hypertrophy and preservation of cardiac/endothelial function by the natural yellow pigment curcumin are associated with upregulated expression of Na+/Ca2+ exchanger (NCX) after transverse aortic constriction (TAC). METHODS: Male Wistar rats were subjected to TAC for 10 weeks and curcumin (50 mg/kg/day) was fed by gastric gavage during TAC. Expression of NCX and endothelial nitric oxide synthase (eNOS) was analyzed by Western blot and immunohistochemistry...
July 15, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29331522/nanos3-not-nanos1-and-nanos2-is-a-germ-cell-marker-gene-in-large-yellow-croaker-during-embryogenesis
#10
Kunhuang Han, Shihai Chen, Mingyi Cai, Yonghua Jiang, Ziping Zhang, Yilei Wang
In this study, three nanos gene subtypes (Lcnanos1, Lcnanos2 and Lcnanos3) from Larimichthys crocea, were cloned and characterized. We determined the spatio-temporal expression patterns of each subtype in tissues as well as the cellular localization of mRNA in embryos. Results showed that deduced Nanos proteins have two main homology domains: N-terminal CCR4/NOT1 deadenylase interaction domain and highly conserved carboxy-terminal region bearing two conserved CCHC zinc-finger motifs. The expression levels of Lcnanos1 in testis were significantly higher than other tissues, followed by heart, brain, eye, and ovary...
January 10, 2018: Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/29331320/zika-dengue-and-yellow-fever-viruses-induce-differential-anti-viral-immune-responses-in-human-monocytic-and-first-trimester-trophoblast-cells
#11
Huanle Luo, Evandro R Winkelmann, Ildefonso Fernandez-Salas, Li Li, Sandra V Mayer, Rogelio Daniz-Lozano, Rosa Ma Sanchez-Casas, Nikos Vasilakis, Robert Tesh, Alan D Barrett, Scott C Weaver, Tian Wang
Zika virus (ZIKV) is a mosquito-borne flavivirus associated with severe neonatal birth defects, but the causative mechanism is incompletely understood. ZIKV shares sequence homology and early clinical manifestations with yellow fever virus (YFV) and dengue virus (DENV) and are all transmitted in urban cycles by the same species of mosquitoes. However, YFV and DENV have been rarely reported to cause congenital diseases. Here, we compared infection with a contemporary ZIKV strain (FSS13025) to YFV17D and DENV-4 in human monocytic cells (THP-1) and first-trimester trophoblasts (HTR-8)...
January 10, 2018: Antiviral Research
https://www.readbyqxmd.com/read/29330423/t-cell-immunity-to-zika-virus-targets-immunodominant-epitopes-that-show-cross-reactivity-with-other-flaviviruses
#12
C J Reynolds, O M Suleyman, A M Ortega-Prieto, J K Skelton, P Bonnesoeur, A Blohm, V Carregaro, J S Silva, E A James, B Maillère, M Dorner, R J Boyton, D M Altmann
Zika virus (ZIKV) Infection has several outcomes from asymptomatic exposure to rash, conjunctivitis, Guillain-Barré syndrome or congenital Zika syndrome. Analysis of ZIKV immunity is confounded by the fact that several related Flaviviruses infect humans, including Dengue virus 1-4, West Nile virus and Yellow Fever virus. HLA class II restricted T cell cross-reactivity between ZIKV and other Flaviviruses infection(s) or vaccination may contribute to protection or to enhanced immunopathology. We mapped immunodominant, HLA class II restricted, CD4 epitopes from ZIKV Envelope (Env), and Non-structural (NS) NS1, NS3 and NS5 antigens in HLA class II transgenic mice...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29329646/effects-of-gardenia-jasminoides-extracts-on-cognition-and-innate-immune-response-in-an-adult-drosophila-model-of-alzheimer-s-disease
#13
Wei-Wei Ma, Ye Tao, Yan-Ying Wang, I-Feng Peng
Herbal extracts have been extensively used worldwide for their application on memory improvement, especially among aged and memory-deficit populations. In the present study, the memory loss induced by human Abeta protein over-expression in fruitfly Alzheimer's disease (AD) model was rescued by multiple extracts from Gardenia jasminoides. Three extracts that rich with gardenia yellow, geniposide, and gardenoside components showed distinct rescue effect on memory loss. Further investigation on adding gardenoside into a formula of Ganoderma lucidum, Panax notoginseng and Panax ginseng (GPP) also support its therapeutic effects on memory improvement...
December 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29329215/dietary-supplement-of-large-yellow-tea-ameliorates-metabolic-syndrome-and-attenuates-hepatic-steatosis-in-db-db-mice
#14
Yun Teng, Daxiang Li, Ponmari Guruvaiah, Na Xu, Zhongwen Xie
Yellow tea has been widely recognized for its health benefits. However, its effects and mechanism are largely unknown. The current study investigated the mechanism of dietary supplements of large yellow tea and its effects on metabolic syndrome and the hepatic steatosis in male db/db mice. Our data showed that dietary supplements of large yellow tea and water extract significantly reduced water intake and food consumption, lowered the serum total and low-density lipoprotein cholesterol and triglyceride levels, and significantly reduced blood glucose level and increased glucose tolerance in db/db mice when compared to untreated db/db mice...
January 12, 2018: Nutrients
https://www.readbyqxmd.com/read/29328919/color-processing-in-the-early-visual-system-of-drosophila
#15
Christopher Schnaitmann, Väinö Haikala, Eva Abraham, Vitus Oberhauser, Thomas Thestrup, Oliver Griesbeck, Dierk F Reiff
Color vision extracts spectral information by comparing signals from photoreceptors with different visual pigments. Such comparisons are encoded by color-opponent neurons that are excited at one wavelength and inhibited at another. Here, we examine the circuit implementation of color-opponent processing in the Drosophila visual system by combining two-photon calcium imaging with genetic dissection of visual circuits. We report that color-opponent processing of UVshort/blue and UVlong/green is already implemented in R7/R8 inner photoreceptor terminals of "pale" and "yellow" ommatidia, respectively...
January 11, 2018: Cell
https://www.readbyqxmd.com/read/29327383/large-scale-noniridescent-structural-color-printing-enabled-by-infiltration-driven-nonequilibrium-colloidal-assembly
#16
Ling Bai, Van Cuong Mai, Yun Lim, Shuai Hou, Helmuth Möhwald, Hongwei Duan
Structural colors originating from interaction of light with intricately arranged micro-/nanostructures have stimulated considerable interest because of their inherent photostability and energy efficiency. In particular, noniridescent structural color with wide viewing angle has been receiving increasing attention recently. However, no method is yet available for rapid and large-scale fabrication of full-spectrum structural color patterns with wide viewing angles. Here, infiltration-driven nonequilibrium assembly of colloidal particles on liquid-permeable and particle-excluding substrates is demonstrated to direct the particles to form amorphous colloidal arrays (ACAs) within milliseconds...
January 12, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29327317/transcript-levels-of-members-of-the-slc2-and-slc5-families-of-glucose-transport-proteins-in-eel-swimbladder-tissue-the-influence-of-silvering-and-the-influence-of-a-nematode-infection
#17
Gabriel Schneebauer, David Mauracher, Birgit Fiechtner, Bernd Pelster
The rate of glucose metabolism has been shown to be correlated to glucose uptake in swimbladder gas gland cells. Therefore, it is assumed that in the European eel silvering, i.e., the preparation of the eel for the spawning migration to the Sargasso Sea, coincides with an enhanced capacity for glucose uptake. To test this hypothesis expression of all known glucose transport proteins has been assessed at the transcript level in yellow and in silver eels, and we also included Anguillicola crassus infected swimbladders...
January 11, 2018: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/29327235/complete-genome-sequence-of-a-phage-hyperparasite-of-candidatus-xenohaliotis-californiensis-rickettsiales-a-pathogen-of-haliotis-spp-gasteropoda
#18
Roberto Flores, Jorge Cáceres-Martínez, Miguel Ángel Del Río-Portilla, Alexei F Licea-Navarro, Ricardo Gonzales-Sánchez, Abraham Guerrero
Bacteriophages are recognized as major mortality agents of microbes, among them intracellular marine rickettsiales-like bacteria. Recently, a phage hyperparasite of Candidatus Xenohaliotis californiensis (CXc) has been described. This bacterium is considered the causal agent of Withering Syndrome (WS) which is a chronic and potentially lethal disease of abalone species from California, USA and the peninsula of Baja California, Mexico. This hyperparasite which infects CXc could be used as a biocontrol agent for WS...
January 11, 2018: Archives of Virology
https://www.readbyqxmd.com/read/29326853/purtscher-like-retinopathy-associated-with-atypical-hemolytic-uremic-syndrome
#19
Melih Ustaoğlu, Feyza Önder, Nilgün Solmaz, Savaş Öztürk, Mesut Ayer
A 25-year-old woman presented with acute bilateral blurred vision and history of headache, dizziness, and syncope for three days. Her visual acuity was 20/60 in both eyes. Fundoscopy revealed multiple bilateral peripapillary yellow-white patches like cotton wool spots, intraretinal hemorrhages and macular edema. The patient was diagnosed with Purtscher-like retinopathy based on the retinal findings and lack of trauma history. She was urgently admitted to the nephrology clinic due to thrombotic microangiopathy findings (hemoglobinemia, thrombocytopenia, and acute renal failure)...
December 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/29326135/isolation-of-human-testicular-cells-and-co-culture-with-embryonic-stem-cells
#20
Meenakshi Gaur, Cyril Ramathal, Renee A Reijo Pera, Paul J Turek, Constance M John
Our overall goal is to create a three-dimensional human cell-based testicular model for toxicological and spermatogenesis studies. Methods to purify the major somatic testicular cells, namely Leydig cells (LCs), peritubular myoid cells (PCs) and Sertoli cells (SCs), from rats, mice and guinea pigs have been reported. In humans, the isolation of populations enriched for primary LCs, PCs or SCs also have described. One objective of this study was to determine if populations of cells enriched for all three of these cell types can be isolated from testes of single human donors, and we were successful in doing so from testes of three donors...
February 2018: Reproduction: the Official Journal of the Society for the Study of Fertility
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