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https://www.readbyqxmd.com/read/28821179/pungency-evaluation-of-hydroxyl-sanshool-compounds-after-dissolution-in-taste-carriers-per-time-related-characteristics
#1
Lulu Zhang, Bolin Shi, Houyin Wang, Lei Zhao, Zhongxiu Chen
This study was conducted to investigate the sensory characteristics and temporal migration of hydroxyl-sanshool compounds at slight and moderate concentrations after dissolution in ethanol-water, saccharose, NaCl, and MSG via 2-AFC, time intensity (TI) and temporal dominance of sensations (TDS) methods. The pungency detection threshold (DT) was suppressed in saccharose while NaCl and MSG solutions showed no effect on pungency DT. The area under the curve (AUC) of pungency increased in NaCl and MSG solutions and decreased significantly in saccharose solution...
September 1, 2017: Chemical Senses
https://www.readbyqxmd.com/read/28820076/a-novel-danshensu-tetramethylpyrazine-conjugate-dt-018-provides-cardioprotection-by-preserving-mitochondrial-function-through-the-mef2d-pgc-1%C3%AE-pathway
#2
Xiaojing Zhang, Jingxiong Luo, Yali Huang, Huixing Deng, Huihui Hu, Pei Yu, Yewei Sun, Luchen Shan, Yuqiang Wang
In this work, we explored the protective effect of DT-018, a danshensu and tetramethylpyrazine conjugate, on mitochondrial injury induced by tert-butylhydroperoxide (t-BHP) and its possible mechanisms of action. DT-018 effectively quenched intracellular and mitochondrial reactive oxygen species (ROS), preserved the mitochondrial function, restored the intracellular level of ATP and augmented mitochondrial membrane potential (ΔΨm) while suppressed mitochondrial swelling in isolated myocardial mitochondria...
August 17, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28819579/dual-task-performance-in-gba-parkinson-s-disease
#3
Karin Srulijes, Kathrin Brockmann, Senait Ogbamicael, Markus A Hobert, Ann-Kathrin Hauser, Claudia Schulte, Jasmin Fritzen, Michael Schwenk, Thomas Gasser, Daniela Berg, Walter Maetzler
INTRODUCTION: Parkinson's disease patients carrying a heterozygous mutation in the gene glucocerebrosidase (GBA-PD) show faster motor and cognitive decline than idiopathic Parkinson's disease (iPD) patients, but the mechanisms behind this observation are not well understood. Successful dual tasking (DT) requires a smooth integration of motor and nonmotor operations. This study compared the DT performances between GBA-PD and iPD patients. METHODS: Eleven GBA-PD patients (p...
2017: Parkinson's Disease
https://www.readbyqxmd.com/read/28818750/whole-genome-sequence-phylogenetic-analysis-of-four-mexican-rabies-viruses-isolated-from-cattle
#4
I Bárcenas-Reyes, E Loza-Rubio, G J Cantó-Alarcón, J Luna-Cozar, A Enríquez-Vázquez, R J Barrón-Rodríguez, F Milián-Suazo
Phylogenetic analysis of the rabies virus in molecular epidemiology has been traditionally performed on partial sequences of the genome, such as the N, G, and P genes; however, that approach raises concerns about the discriminatory power compared to whole genome sequencing. In this study we characterized four strains of the rabies virus isolated from cattle in Querétaro, Mexico by comparing the whole genome sequence to that of strains from the American, European and Asian continents. Four cattle brain samples positive to rabies and characterized as AgV11, genotype 1, were used in the study...
August 4, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28817728/evaluation-of-reference-genes-for-reverse-transcription-quantitative-real-time-pcr-rt-qpcr-studies-in-silene-vulgaris-considering-the-method-of-cdna-preparation
#5
Pavla Koloušková, James D Stone, Helena Štorchová
Accurate gene expression measurements are essential in studies of both crop and wild plants. Reverse transcription quantitative real-time PCR (RT-qPCR) has become a preferred tool for gene expression estimation. A selection of suitable reference genes for the normalization of transcript levels is an essential prerequisite of accurate RT-qPCR results. We evaluated the expression stability of eight candidate reference genes across roots, leaves, flower buds and pollen of Silene vulgaris (bladder campion), a model plant for the study of gynodioecy...
2017: PloS One
https://www.readbyqxmd.com/read/28817485/anti-diabetic-drug-alogliptin-protects-the-heart-against-ischemia-reperfusion-injury-via-glp-1-receptor-dependent-and-independent-pathways-involving-no-production-in-rabbits
#6
Shinya Baba, Masamitsu Iwasa, Kenshi Higashi, Shingo Minatoguchi, Yoshihisa Yamada, Hiromitsu Kanamori, Masanori Kawasaki, Kazuhiko Nishigaki, Shinya Minatoguchi
GLP-1 has been reported to be cardioprotective against ischemia-reperfusion injury. We aimed to examine the effect of alogliptin, which may produce GLP-1, on ischemia-reperfusion injury and its mechanisms. Rabbits were fed a normal chow (control group) and a chow containing alogliptin (2 mg/kg/day: alogliptin-L group, and 20 mg/kg/day: alogliptin-H group) for 7 days. The rabbits underwent 30 min of coronary occlusion and 48 h of reperfusion. Exendin (9-39) (5 or 50μg/kg, i.v., alogliptin-H+exendin (9-39)-L group and alogliptin-H+exendin (9-39)-H group) or L-NAME(10 mg/kg, i...
August 4, 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28816636/the-distress-thermometer-predicts-subjective-but-not-objective-cognitive-complaints-six-months-after-treatment-initiation-in-cancer-patients-receiving-a-curative-cancer-treatment
#7
Michelle Lycke, Tessa Lefebvre, Lies Pottel, Hans Pottel, Lore Ketelaars, Karin Stellamans, Koen Van Eygen, Philippe Vergauwe, Patrick Werbrouck, Laurence Goethals, Patricia Schofield, Tom Boterberg, Philip R Debruyne
OBJECTIVES: Research has indicated that cancer-related cognitive impairments (CRCI) may be influenced by psychosocial factors such as distress, worry and fatigue. Therefore, we aimed to validate the distress thermometer (DT) as a screening tool to detect CRCI six months post treatment initiation in a group of general cancer patients. METHODS: Patients(18 years, n 125) with a histologically confirmed diagnosis of a solid cancer or haematological malignancy, scheduled for a curative treatment, were evaluated at baseline (T0) and six months post-treatment initiation (T1) for CRCI by a neuropsychological assessment including patient-reported outcome measures (PROMs)...
August 17, 2017: Journal of Psychosocial Oncology
https://www.readbyqxmd.com/read/28814777/the-microbial-ecosystem-distinguishes-chronically-diseased-tissue-from-adjacent-tissue-in-the-sigmoid-colon-of-chronic-recurrent-diverticulitis-patients
#8
Kathleen M Schieffer, Kate Sabey, Justin R Wright, David R Toole, Rebecca Drucker, Vasily Tokarev, Leonard R Harris, Sue Deiling, Melanie A Eshelman, John P Hegarty, Gregory S Yochum, Walter A Koltun, Regina Lamendella, David B Stewart
Diverticular disease is commonly associated with the older population in the United States. As individual's age, diverticulae, or herniation of the mucosa through the colonic wall, develop. In 10-25% of individuals, the diverticulae become inflamed, resulting in diverticulitis. The gut ecosystem relies on the interaction of bacteria and fungi to maintain homeostasis. Although bacterial dysbiosis has been implicated in the pathogenesis of diverticulitis, associations between the microbial ecosystem and diverticulitis remain largely unstudied...
August 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28810550/2d-sti-combined-with-gated-99-tc-m-mibi-mpi-for-the-diagnosis-of-myocardial-ischemia-in-hypercholesterolemia-patients
#9
Yi Song, Rui-Fang Zhang, Yu Liu
This study aimed to investigate the reliability of ultrasound two-dimensional speckle tracking imaging (2D-STI) for the evaluation of myocardial ischemia in familial hypercholesterolemia (FH) patients. We recruited 28 patients clinically diagnosed with homozygous familial hypercholesterolemia (HoFH) and subjected them to 2D-STI, gated transthoracic Doppler echocardiography (TTDE), and (99)Tc(m)-methoxyisobutylisonitrile myocardial perfusion imaging ((99)Tc(m)-MIBI MPI). The sensitivity, specificity and diagnostic accordance rate of TTDE and 2D-STI for myocardial ischemia in HoFH patients were compared with the (99)Tc(m)-MIBI scores...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28809949/maturation-dependent-expression-of-aim2-in-human-b-cells
#10
Alexandra Svensson, Marianela Patzi Churqui, Kerstin Schlüter, Liza Lind, Kristina Eriksson
Intracellular DNA- and RNA-sensing receptors, such as the IFN-inducible protein Absent in Melanoma 2 (AIM2), serve as host sensors against a wide range of infections. Immune sensing and inflammasome activation by AIM2 has been implicated in innate antiviral recognition in many experimental systems using cell-lines and animal models. However, little is known about the expression and function of AIM2 in freshly isolated human cells. In this study we investigated the expression of AIM2 in different cell types derived from human cord and adult peripheral blood, in steady state and following in vitro-activation...
2017: PloS One
https://www.readbyqxmd.com/read/28808696/psychological-stress-alters-extracellular-matrix-metabolism-in-mandibular-condylar-cartilage
#11
Qiang Li, Fei Huang, Jia Liu, Yin Hua Zhao, Min Zhang, Yong Jin Chen
OBJECTIVE: To explore the effect of long-term stress on the temporomandibular joint (TMJ) condyle and its possible underlying mechanism. METHODS: A 12-week, chronic unpredictable mild stress (CUMS) model was used to induce long-term psychological stress in rats. Rats were randomly divided into control group (CONT), chronic unpredictable mild stress group (CUMS) and chronic unpredictable mild stress with fluoxetine treatment group (CUMS + DT) (n = 30 per group). A 5 mg/kg dose of fluoxetine was intraperitoneally injected daily 0...
2017: Chinese Journal of Dental Research
https://www.readbyqxmd.com/read/28808670/utilization-and-predictors-of-expectant-management-among-elderly-men-with-low-and-intermediate-risk-localized-prostate-cancer-in-u-s-urological-practice
#12
Huei-Ting Tsai, George Philips, Kathryn L Taylor, Keith Kowalczyk, Kuo Huai-Ching, Arnold L Potosky
INTRODUCTION: Expectant management (EM) reduces overtreatment in low-risk but not intermediate-risk localized prostate cancer (PCa). We assessed the use and predictors of EM to understand its uptake in U.S. practice. METHODS: Using the U.S. SEER-Medicare database, we conducted a retrospective cohort study of men 66 years and older diagnosed with low-risk (N=25,506) or intermediate-risk (N=25,597) localized PCa between 2004 - 2011 and followed through December 31, 2012...
March 2017: Urology Practice
https://www.readbyqxmd.com/read/28807849/danshen-improves-survival-of-patients-with-colon-cancer-and-dihydroisotanshinone-i-inhibit-the-proliferation-of-colon-cancer-cells-via-apoptosis-and-skp2-signaling-pathway
#13
Yin-Yin Lin, I-Yun Lee, Wen-Shih Huang, Yu-Shin Lin, Feng-Che Kuan, Li-Hsin Shu, Yu-Ching Cheng, Yao-Hsu Yang, Ching-Yuan Wu
ETHNOPHARMACOLOGICAL RELEVANCE: Danshen (Salvia miltiorrhiza Bunge) is widely used in traditional Chinese medicine. However, it's definite clinical effect and mechanism on colon carcinoma is unclear. AIM OF THE STUDY: To test the hypothesis that the protective effect of danshen on colon cancer and discover the bioactive compounds through in vitro study. MATERIALS AND METHODS: We conducted a nationwide cohort study by using population-based data from the Taiwan National Health Insurance Research Database (NHIRD)...
August 11, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28807609/cspb-of-an-arctic-bacterium-polaribacter-irgensii-kopri-22228-confers-extraordinary-freeze-tolerance
#14
Youn Hong Jung, Yoo Kyung Lee, Hong Kum Lee, Kyunghee Lee, Hana Im
Freezing temperatures are a major challenge for life at the poles. Decreased membrane fluidity, uninvited secondary structure formation in nucleic acids, and protein cold-denaturation all occur at cold temperatures. Organisms adapted to polar regions possess distinct mechanisms that enable them to survive in extremely cold environments. Among the cold-induced proteins, cold shock protein (Csp) family proteins are the most prominent. A gene coding for a Csp-family protein, cspB, was cloned from an arctic bacterium, Polaribacter irgensii KOPRI 22228, and overexpression of cspB greatly increased the freeze-survival rates of Escherichia coli hosts, to a greater level than any previously reported Csp...
July 31, 2017: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/28807204/anti-inflammatory-effect-of-dexmedetomidine-combined-with-hypothermia-on-acute-respiratory-distress-syndrome-in-rats
#15
Xianfeng Chen, Lili Li, Juntao Hu, Chi Zhang, Yiping Pan, Diansheng Tian, Zhanhong Tang
BACKGROUND: To investigate the protective effect of combination of dexmedetomidine and hypothermia on lipopolysaccharide (LPS) induced acute respiratory distress syndrome in rats. METHODS: Fifty male Wistar rats were randomly divided into five groups, with 10 rats in each group. The acute respiratory distress syndrome model was reproduced by LPS injected into the right external jugular vein (L group); only saline was injected into the right external jugular vein for control group (C group)...
August 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28806126/development-and-validation-of-an-instrument-to-assess-the-impact-of-cyberbullying-the-cybervictimization-emotional-impact-scale
#16
Paz Elipe, Joaquín A Mora-Merchán, Lydia Nacimiento
Cyberbullying is a phenomenon with important adverse consequences on victims. The emotional impact of this phenomenon has been well established. However, there is to date no instrument with good psychometric properties tested to assess such impact. The objective of this study was developing and testing the psychometric properties of an instrument to assess the emotional impact of cyberbullying: the "Cybervictimization Emotional Impact Scale, CVEIS." The sample included 1,016 Compulsory Secondary Education students (52...
August 2017: Cyberpsychology, Behavior and Social Networking
https://www.readbyqxmd.com/read/28804266/modulational-instability-beak-shaped-rogue-waves-multi-dark-dark-solitons-and-dynamics-in-pair-transition-coupled-nonlinear-schr%C3%A3-dinger-equations
#17
Guoqiang Zhang, Zhenya Yan, Xiao-Yong Wen
The integrable coupled nonlinear Schrödinger equations with four-wave mixing are investigated. We first explore the conditions for modulational instability of continuous waves of this system. Secondly, based on the generalized N-fold Darboux transformation (DT), beak-shaped higher-order rogue waves (RWs) and beak-shaped higher-order rogue wave pairs are derived for the coupled model with attractive interaction in terms of simple determinants. Moreover, we derive the simple multi-dark-dark and kink-shaped multi-dark-dark solitons for the coupled model with repulsive interaction through the generalizing DT...
July 2017: Proceedings. Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/28801566/influence-of-temperature-on-methane-hydrate-formation
#18
Peng Zhang, Qingbai Wu, Cuicui Mu
During gas hydrate formation process, a phase transition of liquid water exists naturally, implying that temperature has an important influence on hydrate formation. In this study, methane hydrate was formed within the same media. The experimental system was kept at 1.45, 6.49, and 12.91 °C respectively, and then different pressurization modes were applied in steps. We proposed a new indicator, namely the slope of the gas flow rates against time (dν g /dt), to represent the intrinsic driving force for hydrate formation...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28801550/active-neutron-and-gamma-ray-imaging-of-highly-enriched-uranium-for-treaty-verification
#19
Michael C Hamel, J Kyle Polack, Marc L Ruch, Matthew J Marcath, Shaun D Clarke, Sara A Pozzi
The detection and characterization of highly enriched uranium (HEU) presents a large challenge in the non-proliferation field. HEU has a low neutron emission rate and most gamma rays are low energy and easily shielded. To address this challenge, an instrument known as the dual-particle imager (DPI) was used with a portable deuterium-tritium (DT) neutron generator to detect neutrons and gamma rays from induced fission in HEU. We evaluated system response using a 13.7-kg HEU sphere in several configurations with no moderation, high-density polyethylene (HDPE) moderation, and tungsten moderation...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28800886/corrigendum-to-towards-in-vitro-dt-dnt-testing-assaying-chemical-susceptibility-in-early-differentiating-nt2-cells-toxicology-338-2015-69-76
#20
Ann-Katrin Menzner, Sepideh Abolpour Mofrad, Oliver Friedrich, Daniel F Gilbert
No abstract text is available yet for this article.
August 8, 2017: Toxicology
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