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https://www.readbyqxmd.com/read/28335584/atrap-expression-in-brown-adipose-tissue-does-not-influence-the-development-of-diet-induced-metabolic-disorders-in-mice
#1
Kohji Ohki, Hiromichi Wakui, Kengo Azushima, Kazushi Uneda, Sona Haku, Ryu Kobayashi, Kotaro Haruhara, Sho Kinguchi, Miyuki Matsuda, Masato Ohsawa, Akinobu Maeda, Shintaro Minegishi, Tomoaki Ishigami, Yoshiyuki Toya, Akio Yamashita, Satoshi Umemura, Kouichi Tamura
Activation of tissue renin-angiotensin system (RAS), mainly mediated by an angiotensin II (Ang II) type 1 receptor (AT1R), plays an important role in the development of obesity-related metabolic disorders. We have shown that AT1R-associated protein (ATRAP), a specific binding protein of AT1R, functions as an endogenous inhibitor to prevent excessive activation of tissue RAS. In the present study, we newly generated ATRAP/Agtrap-floxed (ATRAP(fl/fl)) mice and adipose tissue-specific ATRAP downregulated (ATRAP(adipoq)) mice by the Cre/loxP system using Adipoq-Cre...
March 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28335572/efficient-and-security-enhanced-anonymous-authentication-with-key-agreement-scheme-in-wireless-sensor-networks
#2
Jaewook Jung, Jongho Moon, Donghoon Lee, Dongho Won
At present, users can utilize an authenticated key agreement protocol in a Wireless Sensor Network (WSN) to securely obtain desired information, and numerous studies have investigated authentication techniques to construct efficient, robust WSNs. Chang et al. recently presented an authenticated key agreement mechanism for WSNs and claimed that their authentication mechanism can both prevent various types of attacks, as well as preserve security properties. However, we have discovered that Chang et al's method possesses some security weaknesses...
March 21, 2017: Sensors
https://www.readbyqxmd.com/read/28335571/3-substituted-n-benzylpyrazine-2-carboxamide-derivatives-synthesis-antimycobacterial-and-antibacterial-evaluation
#3
Lucia Semelková, Ondřej Janďourek, Klára Konečná, Pavla Paterová, Lucie Navrátilová, František Trejtnar, Vladimír Kubíček, Jiří Kuneš, Martin Doležal, Jan Zitko
A series of substituted N-benzyl-3-chloropyrazine-2-carboxamides were prepared as positional isomers of 5-chloro and 6-chloro derivatives, prepared previously. During the aminolysis of the acyl chloride, the simultaneous substitution of chlorine with benzylamino moiety gave rise to N-benzyl-3-(benzylamino)pyrazine-2-carboxamides as side products, in some cases. Although not initially planned, the reaction conditions were modified to populate this double substituted series. The final compounds were tested against four mycobacterial strains...
March 21, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28335565/an-eco-safety-assessment-of-glyoxal-containing-cellulose-ether-on-freeze-dried-microbial-strain-cyanobacteria-daphnia-and-zebrafish
#4
Chang-Beom Park, Min Ju Song, Nak Woon Choi, Sunghoon Kim, Hyun Pyo Jeon, Sanghun Kim, Youngjun Kim
The objective of this study was to investigate the aquatic-toxic effects of glyoxal-containing cellulose ether with four different glyoxal concentrations (0%, 1.4%, 2.3%, and 6.3%) in response to global chemical regulations, e.g., European Union Classification, Labeling and Packaging (EU CLP). Toxicity tests of glyoxal-containing cellulose ether on 11 different microbial strains, Microcystis aeruginosa, Daphnia magna, and zebrafish embryos were designed as an initial stage of toxicity screening and performed in accordance with standardized toxicity test guidelines...
March 21, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28335554/complete-and-incomplete-hepatitis-b-virus-particles-formation-function-and-application
#5
REVIEW
Jianming Hu, Kuancheng Liu
Hepatitis B virus (HBV) is a para-retrovirus or retroid virus that contains a double-stranded DNA genome and replicates this DNA via reverse transcription of a RNA pregenome. Viral reverse transcription takes place within a capsid upon packaging of the RNA and the viral reverse transcriptase. A major characteristic of HBV replication is the selection of capsids containing the double-stranded DNA, but not those containing the RNA or the single-stranded DNA replication intermediate, for envelopment during virion secretion...
March 21, 2017: Viruses
https://www.readbyqxmd.com/read/28335547/genomic-loads-and-genotypes-of-respiratory-syncytial-virus-viral-factors-during-lower-respiratory-tract-infection-in-chilean-hospitalized-infants
#6
Yazmín Espinosa, Camila San Martín, Alejandro A Torres, Mauricio J Farfán, Juan P Torres, Vasanthi Avadhanula, Pedro A Piedra, Lorena I Tapia
The clinical impact of viral factors (types and viral loads) during respiratory syncytial virus (RSV) infection is still controversial, especially regarding newly described genotypes. In this study, infants with RSV bronchiolitis were recruited to describe the association of these viral factors with severity of infection. RSV antigenic types, genotypes, and viral loads were determined from hospitalized patients at Hospital Roberto del Río, Santiago, Chile. Cases were characterized by demographic and clinical information, including days of lower respiratory symptoms and severity...
March 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28335530/risk-of-suicide-and-dysfunctional-patterns-of-personality-among-bereaved-substance-users
#7
Laura Masferrer, Beatriz Caparrós
Background: Research has shown that suicide is a phenomenon highly present among the drug dependent population. Different studies have demonstrated an upraised level of comorbidity between personality disorders (PD) and substance use disorders (SUD). This study aimed to describe which PDs are more frequent among those patients with a risk of suicide. Methods: The study was based on a consecutive non-probabilistic convenience sample of 196 bereaved patients attended to in a Public Addiction Center in Girona (Spain)...
March 20, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28335529/effects-of-momordica-charantia-bitter-melon-on-ischemic-diabetic-myocardium
#8
Attila Czompa, Alexandra Gyongyosi, Kitti Szoke, Istvan Bak, Evelin Csepanyi, David D Haines, Arpad Tosaki, Istvan Lekli
Objective: A rat model is here used to test a hypothesis that Momordica charantia (Bitter melon (BM)) extract favorably alters processes in cardiovascular tissue and is systemically relevant to the pathophysiology of type 2 diabetes (T2DM) and related cardiovascular disease. Methods: Male Lean and Zucker Obese (ZO) rats were gavage-treated for six weeks with 400 mg/kg body weight bitter melon (BM) extract suspended in mucin-water vehicle, or with vehicle (Control). Animals were segregated into four treatment groups, 10 animals in each group, according to strain (Lean or ZO) and treatment (Control or BM)...
March 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28335526/oral-cyanocobalamin-is-effective-in-the-treatment-of-vitamin-b12-deficiency-in-crohn-s-disease
#9
Fernando Gomollón, Carla J Gargallo, Jose Fernando Muñoz, Raquel Vicente, Alberto Lue, Alberto Mir, Marta García-Alvarado, Marta Gracia, Santiago García-López
Cobalamin deficiency is common in patients with Crohn's disease (CD). Intramuscular cobalamin continues to be the standard therapy for the deficiency and maintenance treatment in these patients, although oral route has been demonstrated to be effective in other pathologies with impaired absorption. Our aims were to evaluate the efficacy of oral therapy in the treatment of cobalamin deficiency and in long-term maintenance in patients with Crohn's disease. We performed a multicenter retrospective cohort study that included 94 patients with Crohn's disease and cobalamin deficiency...
March 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28335521/gene-transformation-induced-changes-in-chemical-functional-group-features-and-molecular-structure-conformation-in-alfalfa-plants-co-expressing-lc-bhlh-and-c1-myb-transcriptive-flavanoid-regulatory-genes-effects-of-single-gene-and-two-gene-insertion
#10
Ravindra G Heendeniya, Peiqiang Yu
Alfalfa (Medicago sativa L.) genotypes transformed with Lc-bHLH and Lc transcription genes were developed with the intention of stimulating proanthocyanidin synthesis in the aerial parts of the plant. To our knowledge, there are no studies on the effect of single-gene and two-gene transformation on chemical functional groups and molecular structure changes in these plants. The objective of this study was to use advanced molecular spectroscopy with multivariate chemometrics to determine chemical functional group intensity and molecular structure changes in alfalfa plants when co-expressing Lc-bHLH and C1-MYB transcriptive flavanoid regulatory genes in comparison with non-transgenic (NT) and AC Grazeland (ACGL) genotypes...
March 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28335512/symptoms-relevant-to-surveillance-for-ovarian-cancer
#11
Robert M Ore, Lauren Baldwin, Dylan Woolum, Erika Elliott, Christiaan Wijers, Chieh-Yu Chen, Rachel W Miller, Christopher P DeSimone, Frederick R Ueland, Richard J Kryscio, John R van Nagell, Edward J Pavlik
To examine how frequently and confidently healthy women report symptoms during surveillance for ovarian cancer. A symptoms questionnaire was administered to 24,526 women over multiple visits accounting for 70,734 reports. A query of reported confidence was included as a confidence score (CS). Chi square, McNemars test, ANOVA and multivariate analyses were performed. 17,623 women completed the symptoms questionnaire more than one time and >9500 women completed it more than one four times for >43,000 serially completed questionnaires...
March 20, 2017: Diagnostics
https://www.readbyqxmd.com/read/28335506/a-colorimetric-sensor-for-the-highly-selective-detection-of-sulfide-and-1-4-dithiothreitol-based-on-the-in-situ-formation-of-silver-nanoparticles-using-dopamine
#12
Lingzhi Zhao, Liu Zhao, Yanqing Miao, Chunye Liu, Chenxiao Zhang
Hydrogen sulfide (H₂S) has attracted attention in biochemical research because it plays an important role in biosystems and has emerged as the third endogenous gaseous signaling compound along with nitric oxide (NO) and carbon monoxide (CO). Since H₂S is a kind of gaseous molecule, conventional approaches for H₂S detection are mostly based on the detection of sulfide (S(2-)) for indirectly reflecting H₂S levels. Hence, there is a need for an accurate and reliable assay capable of determining sulfide in physiological systems...
March 20, 2017: Sensors
https://www.readbyqxmd.com/read/28335501/communication-matters-exploring-the-intersection-of-family-and-practitioner-end-of-life-communication
#13
Leah M Omilion-Hodges, Nathan M Swords
After establishing a baseline understanding of some of the factors that influence and shape family end of life communication, empirical research centered on the communication tendencies of nationally-recognized palliative care clinicians is presented. Because death is no longer confined to the bedroom and individuals are increasingly turning to hospitals and health care institutes to assist with end of life, the role of palliative care practitioners is vital. To that end, common communication-rooted issues that may transpire among various medical personnel are explored...
March 19, 2017: Behavioral Sciences
https://www.readbyqxmd.com/read/28335493/melatonin-mt%C3%A2-and-mt%C3%A2-receptors-in-the-ram-reproductive-tract
#14
Marta González-Arto, David Aguilar, Elena Gaspar-Torrubia, Margarita Gallego, Melissa Carvajal-Serna, Luis V Herrera-Marcos, Edith Serrano-Blesa, Thais Rose Dos Santos Hamilton, Rosaura Pérez-Pé, Teresa Muiño-Blanco, José A Cebrián-Pérez, Adriana Casao
Some melatonin functions in mammals are exerted through MT₁ and MT₂ receptors. However, there are no reports of their presence in the reproductive tract of the ram, a seasonal species. Thus, we have investigated their existence in the ram testis, epididymis, accessory glands and ductus deferens. Real-time polymerase chain reaction (qPCR) revealed higher levels of m-RNA for both receptors in the testis, ampulla, seminal vesicles, and vas deferens, than in the other organs of the reproductive tract (p < 0...
March 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28335491/health-and-wellbeing-of-occupants-in-highly-energy-efficient-buildings-a-field-study
#15
Peter Wallner, Peter Tappler, Ute Munoz, Bernhard Damberger, Anna Wanka, Michael Kundi, Hans-Peter Hutter
Passive houses and other highly energy-efficient buildings need mechanical ventilation. However, ventilation systems in such houses are regarded with a certain degree of skepticism by parts of the public due to alleged negative health effects. Within a quasi-experimental field study, we investigated if occupants of two types of buildings (mechanical vs. natural ventilation) experience different health, wellbeing and housing satisfaction outcomes and if associations with indoor air quality exist. We investigated 123 modern homes (test group: with mechanical ventilation; control group: naturally ventilated) built in the years 2010 to 2012 in the same geographic area and price range...
March 19, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28335489/effects-of-the-mediterranean-diet-before-and-after-weight-loss-on-eating-behavioral-traits-in-men-with-metabolic-syndrome
#16
Élise Carbonneau, Marie-Michelle Royer, Caroline Richard, Patrick Couture, Sophie Desroches, Simone Lemieux, Benoît Lamarche
The objective of this study was to investigate the impact of the Mediterranean diet (MedDiet) consumed before and after weight loss on eating behavioral traits as measured by the Three-Factor Eating Questionnaire (TFEQ) in men with metabolic syndrome (MetS). In this fixed sequence study, 19 men with MetS (National Cholesterol Education Program-Adult Treatment Panel III (NCEP-ATPIII) criteria), aged between 24 and 62 years, first consumed a five-week standardized North American control diet followed by a five-week MedDiet, both under weight-maintaining controlled-feeding conditions...
March 19, 2017: Nutrients
https://www.readbyqxmd.com/read/28335484/energy-of-intramolecular-hydrogen-bonding-in-ortho-hydroxybenzaldehydes-phenones-and-quinones-transfer-of-aromaticity-from-ipso-benzene-ring-to-the-enol-system-s
#17
Danuta Rusinska-Roszak
Intramolecular hydrogen bonding (HB) is one of the most studied noncovalent interactions of molecules. Many physical, spectral, and topological properties of compounds are under the influence of HB, and there are many parameters used to notice and to describe these changes. Hitherto, no general method of measurement of the energy of intramolecular hydrogen bond (EHB) has been put into effect. We propose the molecular tailoring approach (MTA) for EHB calculation, modified to apply it to Ar-O-H∙∙∙O=C systems...
March 18, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28335473/assessment-of-antioxidant-and-cytoprotective-potential-of-jatropha-jatropha-curcas-grown-in-southern-italy
#18
Teresa Papalia, Davide Barreca, Maria Rosaria Panuccio
Jatropha (Jatropha curcas L.) is a plant native of Central and South America, but widely distributed in the wild or semi-cultivated areas in Africa, India, and South East Asia. Although studies are available in literature on the polyphenolic content and bioactivity of Jatropha curcas L., no information is currently available on plants grown in pedoclimatic and soil conditions different from the autochthon regions. The aim of the present work was to characterize the antioxidant system developed by the plant under a new growing condition and to evaluate the polyphenol amount in a methanolic extract of leaves...
March 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28335466/a-specific-mixture-of-nutrients-suppresses-ovarian-cancer-a-2780-tumor-incidence-growth-and-metastasis-to-lungs
#19
Mohd Waheed Roomi, Tatiana Kalinovsky, Matthias Rath, Aleksandra Niedzwiecki
Ovarian cancer is the deadliest gynecological malignancy in women, and fifth leading cause of death. Despite advances made in chemotherapy and surgery, the average time of clinical remission is approximately 2 years and the 5-year survival rate is 45%. Thus, there is an urgent need for the development of a novel therapeutic approach to ovarian cancer treatment. We investigated the effect of a specific nutrient mixture (EPQ) containing ascorbic acid, lysine, proline, green tea extract, and quercetin on human ovarian cancer cell A-2780 in vivo and in vitro...
March 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28335465/schr%C3%A3-dinger-s-cheshire-cat-are-haploid-emiliania-huxleyi-cells-resistant-to-viral-infection-or-not
#20
Gideon J Mordecai, Frederic Verret, Andrea Highfield, Declan C Schroeder
Emiliania huxleyi is the main calcite producer on Earth and is routinely infected by a virus (EhV); a double stranded DNA (dsDNA) virus belonging to the family Phycodnaviridae. E. huxleyi exhibits a haplodiploid life cycle; the calcified diploid stage is non-motile and forms extensive blooms. The haploid phase is a non-calcified biflagellated cell bearing organic scales. Haploid cells are thought to resist infection, through a process deemed the "Cheshire Cat" escape strategy; however, a recent study detected the presence of viral lipids in the same haploid strain...
March 18, 2017: Viruses
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