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Laurence D Picton, Keith T Sillar
Dopamine plays important roles in the development and modulation of motor control circuits. Here we show that dopamine exerts potent effects on the central pattern generator circuit controlling locomotory swimming in post-embryonic Xenopus tadpoles. Dopamine (0.5-100 μM) reduced fictive swim bout occurrence and caused both spontaneous and evoked episodes to become shorter, slower and weaker. The D2-like receptor agonist quinpirole mimicked this repertoire of inhibitory effects on swimming, whilst the D4 receptor antagonist, L745,870, had the opposite effects...
October 20, 2016: Scientific Reports
Maria Campos, C Batista, N R Jesus, C M Silva, T P Silva
Cardiovascular patients frequently use herbal medicinal products, in order to contribute to the improvement of their chronic condition without medical intervention. However, they are likely to suffer from adverse effects from natural products and herb-drug interactions. This work aimed to alert cardiovascular patients and healthcare providers of the potential of occurrence of herb-drug interactions with cardiovascular therapy. Information obtained from the campaign "Aprender Saúde Entre as Plantas e os Medicamentos", carried out by the Observatory of Herb-Drug Interactions (www...
October 7, 2016: Cardiovascular & Hematological Agents in Medicinal Chemistry
Cigdem Donmez, Ece Konac, Batuhan T Aydogan, Cenk Y Bilen
PURPOSE: To study whether -160 C > A (rs16260) and -347 G > GA (rs5030625) single nucleotide polymorphisms of the regulatory region (rSNPs) of CDH1 gene modulate the risk of nephrolithiasis. METHODS: Genomic DNA of 101 patients with calcium oxalate nephrolithiasis and 114 healthy controls were screened for both polymorphisms, using polymerase chain reaction-restriction fragments length polymorphism method (PCR-RLFP). Haplotype frequencies were also analyzed...
2016: SpringerPlus
Dustin M Lee, Micah L Battson, Dillon K Jarrell, Kimberly Cox-York, Michelle T Foster, Tiffany L Weir, Christopher L Gentile
OBJECTIVES: The aim of this study was to examine the effects of a Western diet (WD) and supplementation with Fuzhuan tea on large artery stiffness, as determined by aortic pulse wave velocity (aPWV). METHODS: Mice were subjected to a standard diet (SD; n = 12) or WD (n = 10) for 7 mo, and were then separated to receive nonsupplemented drinking water (SD-W and WD-W) or water supplemented with Fuzhuan tea (SD-T and WD-T) (200 mg/kg daily); mice were then maintained on their respective diets for an additional 2 mo...
July 26, 2016: Nutrition
Katharina Röttger, Hugo J B Marroux, Hendrik Böhnke, David T J Morris, Angus T Voice, Friedrich Temps, Gareth M Roberts, Andrew J Orr-Ewing
Ultrafast transient electronic and vibrational absorption spectroscopy (TEAS and TVAS) of 2'-deoxy-cytidine (dC) and 2'-deoxy-thymidine (dT) dissolved in chloroform examines their excited-state dynamics and the recovery of ground electronic state molecules following absorption of ultraviolet light. The chloroform serves as a weakly interacting solvent, allowing comparisons to be drawn with prior experimental studies of the photodynamics of these nucleosides in the gas phase and in polar solvents such as water...
September 16, 2016: Faraday Discussions
Jonas Ghouse, Christian T Have, Morten W Skov, Laura Andreasen, Gustav Ahlberg, Jonas B Nielsen, Tea Skaaby, Søren-Peter Olesen, Niels Grarup, Allan Linneberg, Oluf Pedersen, Henrik Vestergaard, Stig Haunsø, Jesper H Svendsen, Torben Hansen, Jørgen K Kanters, Morten S Olesen
PURPOSE: We investigated whether Brugada syndrome (BrS)-associated variants identified in the general population have an effect on J-point elevation as well as whether carriers of BrS variants were more prone to experience syncope and malignant ventricular arrhythmia and had increased mortality compared with noncarriers. METHODS: All BrS-associated variants were identified using the Human Gene Mutation Database (HGMD). Individuals were randomly selected from a general population study using whole-exome sequencing data (n = 870) and genotype array data (n = 6,161) and screened for BrS-associated variants...
October 6, 2016: Genetics in Medicine: Official Journal of the American College of Medical Genetics
M Münzner, N Tappenbeck, F Gembardt, R Rülke, J Furkert, M F Melzig, W-E Siems, G A Brockmann, T Walther
BACKGROUND/OBJECTIVE: Consumption of Green Tea has become increasingly popular, particularly because of claimed reduction in body weight. We recently reported that animals with pharmacological inhibition (by candoxatril) or genetic absence of the endopeptidase neprilysin (NEP) develop an obese phenotype. We now investigated the effect of Green Tea extract (in drinking water) on body weight and body composition and the mediating role of NEP. SUBJECTS/METHODS: To elucidate the role of NEP in mediating the beneficial effects of Green Tea extract, 'Berlin fat mice' or NEP-deficient mice and their age-and gender-matched wild-type controls received the extract in two different doses (300 or 600 mg/kg body weight/day) in the drinking water...
October 4, 2016: International Journal of Obesity: Journal of the International Association for the Study of Obesity
Xing-Shi Gu, Li Ma, Xing Wang, Guo-Hua Huang
The bombycid moth, Andraca theae (Matsumura) (Lepidoptera: Bombycoidea) is an important pest of tea in southeastern China. In the present study, the mitochondrial genome (mitogenome) of A. theae was amplified by polymerase chain reaction and sequenced. The complete mitogenome of A. theae, encoding 37 genes, was 15,737 bp in length (Genbank no. KX365419), and consisted of 13 protein-coding genes (PCGs), 22 tRNA genes, 2 ribosomal RNA genes and an adenine (A) + thymine (T)-rich region (AT-rich region). The gene order of A...
2016: Journal of Insect Science
Pratik K Nagaria, Carine Robert, Tea Soon Park, Jeffrey S Huo, Elias T Zambidis, Feyruz V Rassool
Human induced pluripotent stem cells (hiPSCs) are reprogrammed from adult or progenitor somatic cells and must make substantial adaptations to ensure genomic stability in order to become "embryonic stem cell- (ESC-) like." The DNA damage response (DDR) is critical for maintenance of such genomic integrity. Herein, we determined whether cell of origin and reprogramming method influence the DDR of hiPSCs. We demonstrate that hiPSCs derived from cord blood (CB) myeloid progenitors (i.e., CB-iPSC) via an efficient high-fidelity stromal-activated (sa) method closely resembled hESCs in DNA repair gene expression signature and irradiation-induced DDR, relative to hiPSCs generated from CB or fibroblasts via standard methods...
2016: Stem Cells International
Ewa Grzebyk, Agnieszka Piwowar
BACKGROUND: Advanced glycation endproducts (AGE) and advanced oxidation protein products (AOPP) arise as a result of excessive glycation and oxidation processes of proteins in hyperglycemia and oxidative stress conditions respectively, both in vivo and in vitro. In vivo these processes are especially intensified in patients with diabetes, and the adverse effects of AGE and AOPP are particularly unfavorable for the pathogenesis and aggravate the biochemical disturbances and clinical complications of diabetes...
September 29, 2016: BMC Complementary and Alternative Medicine
Ludovic Zimmerlin, Tea Soon Park, Jeffrey S Huo, Karan Verma, Sarshan R Pather, C Conover Talbot, Jasmin Agarwal, Diana Steppan, Yang W Zhang, Michael Considine, Hong Guo, Xiufeng Zhong, Christian Gutierrez, Leslie Cope, M Valeria Canto-Soler, Alan D Friedman, Stephen B Baylin, Elias T Zambidis
The derivation and maintenance of hPSC in stable naïve pluripotent states has wide impact in human developmental biology. However, hPSC are unstable in classical naïve mouse ESC WNT and MEK/ERK signal inhibition (2i) culture. We show that a broad repertoire of conventional human embryonic stem cell (hESC) and transgene-independent hiPSC lines could be reverted to stable human preimplantation ICM-like naïve states with only WNT, MEK/ERK, and tankyrase inhibition (LIF-3i). LIF-3i-reverted hPSC retained normal karyotypes and attained defining mouse ESC-like functional features including high clonal self-renewal, independence from MEK-ERK signalling, dependence on JAK-STAT3 and BMP4 signaling, and naïve-specific transcriptional and epigenetic configurations...
September 22, 2016: Development
Jekaterina Gudkina, Anda Brinkmane, Stephen H Abrams, Bennett T Amaechi
AIM: Authors assessed the influence of drinking tea with sugar, level of cariogenic microflora and use of fluoride toothpaste and tablets on caries experience of 6 and 12 year old children in Riga, Latvia. METHODS: 141 six and 164 twelve year old children were examined clinically and with bitewing radiographs to determine their dmft/DMFT and dmfs/DMFS. Children or their parents responded to questionnaire on number teaspoons of sugar (TS) used per cup of tea, number of cups of tea consumed daily, using fluoride or non-fluoride toothpaste (TP), frequency of toothbrushing, using fluoride tablets or not (ft)...
2016: Stomatologija
Thirssa H Grando, Matheus D Baldissera, Lucas T Gressler, Mariângela Facco de Sá, Bruna N Bortoluzzi, Andressa S Schafer, Rafael C Ebling, Renata P Raffin, Roberto C V Santos, Lenita M Stefani, Rodrigo Vaucher, Marta L R Leal, Silvia G Monteiro
Gastrointestinal parasites are one of the biggest health problems faced in sheep, mainly due to their pathogenicity and resistance to drugs used to control these parasites. Thus, the following study aimed to assess the anthelmintic efficacy of Melaleuca alternifolia against Haemonchus contortus in gerbils (Meriones unguiculatus) experimentally infected. Three treatments were tested: M. alternifolia essential oil, popularly known as tea tree oil (TTO), a solid lipid nanocarrier made with essential oil of Melaleuca (nanoTTO), and terpinen-4-ol (terp-4-ol)...
September 16, 2016: Experimental Parasitology
Chetan Purushottam Raut, Kunal S Sethi
BACKGROUND: Conventional nonsurgical periodontal therapy has been proven to be an effective treatment for patients with chronic periodontitis. Coenzyme Q10 and tea tree oil (TTO) are known to have potential therapeutic benefits in chronic periodontitis. AIMS: The aim of the study is to compare the efficacy of Coenzyme Q10 (Perio Q(®)) and tea tree oil (Melaleuca alternifolia) gel as an adjunct to scaling and root planing in the treatment of chronic periodontitis...
July 2016: Contemporary Clinical Dentistry
Y H Liu, Y P Wang, Y Wang, K T Ma, J Q Si, L Li
OBJECTIVE: The purpose of this paper was to study the electrophysiological properties and the type of potassium channels on cell membrane in the stria vascularis pericytes in cochlear of guinea pig. METHODS: Firstly examined the expression of the stria vascularis pericytes by desmin, a marker of pericytes, in cochlear of guinea pig with immunofluorescent method. Using whole-cell patch clamp recording techniques to observe electrophysiological properties in the cochlear pericytes in stria vascularis of guinea pig...
August 7, 2016: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
Praveen Surendran, Fotios Drenos, Robin Young, Helen Warren, James P Cook, Alisa K Manning, Niels Grarup, Xueling Sim, Daniel R Barnes, Kate Witkowska, James R Staley, Vinicius Tragante, Taru Tukiainen, Hanieh Yaghootkar, Nicholas Masca, Daniel F Freitag, Teresa Ferreira, Olga Giannakopoulou, Andrew Tinker, Magdalena Harakalova, Evelin Mihailov, Chunyu Liu, Aldi T Kraja, Sune Fallgaard Nielsen, Asif Rasheed, Maria Samuel, Wei Zhao, Lori L Bonnycastle, Anne U Jackson, Narisu Narisu, Amy J Swift, Lorraine Southam, Jonathan Marten, Jeroen R Huyghe, Alena Stančáková, Cristiano Fava, Therese Ohlsson, Angela Matchan, Kathleen E Stirrups, Jette Bork-Jensen, Anette P Gjesing, Jukka Kontto, Markus Perola, Susan Shaw-Hawkins, Aki S Havulinna, He Zhang, Louise A Donnelly, Christopher J Groves, N William Rayner, Matt J Neville, Neil R Robertson, Andrianos M Yiorkas, Karl-Heinz Herzig, Eero Kajantie, Weihua Zhang, Sara M Willems, Lars Lannfelt, Giovanni Malerba, Nicole Soranzo, Elisabetta Trabetti, Niek Verweij, Evangelos Evangelou, Alireza Moayyeri, Anne-Claire Vergnaud, Christopher P Nelson, Alaitz Poveda, Tibor V Varga, Muriel Caslake, Anton J M de Craen, Stella Trompet, Jian'an Luan, Robert A Scott, Sarah E Harris, David C M Liewald, Riccardo Marioni, Cristina Menni, Aliki-Eleni Farmaki, Göran Hallmans, Frida Renström, Jennifer E Huffman, Maija Hassinen, Stephen Burgess, Ramachandran S Vasan, Janine F Felix, Maria Uria-Nickelsen, Anders Malarstig, Dermot F Reilly, Maarten Hoek, Thomas F Vogt, Honghuang Lin, Wolfgang Lieb, Matthew Traylor, Hugh S Markus, Heather M Highland, Anne E Justice, Eirini Marouli, Jaana Lindström, Matti Uusitupa, Pirjo Komulainen, Timo A Lakka, Rainer Rauramaa, Ozren Polasek, Igor Rudan, Olov Rolandsson, Paul W Franks, George Dedoussis, Timothy D Spector, Pekka Jousilahti, Satu Männistö, Ian J Deary, John M Starr, Claudia Langenberg, Nick J Wareham, Morris J Brown, Anna F Dominiczak, John M Connell, J Wouter Jukema, Naveed Sattar, Ian Ford, Chris J Packard, Tõnu Esko, Reedik Mägi, Andres Metspalu, Rudolf A de Boer, Peter van der Meer, Pim van der Harst, Giovanni Gambaro, Erik Ingelsson, Lars Lind, Paul I W de Bakker, Mattijs E Numans, Ivan Brandslund, Cramer Christensen, Eva R B Petersen, Eeva Korpi-Hyövälti, Heikki Oksa, John C Chambers, Jaspal S Kooner, Alexandra I F Blakemore, Steve Franks, Marjo-Riitta Jarvelin, Lise L Husemoen, Allan Linneberg, Tea Skaaby, Betina Thuesen, Fredrik Karpe, Jaakko Tuomilehto, Alex S F Doney, Andrew D Morris, Colin N A Palmer, Oddgeir Lingaas Holmen, Kristian Hveem, Cristen J Willer, Tiinamaija Tuomi, Leif Groop, AnneMari Käräjämäki, Aarno Palotie, Samuli Ripatti, Veikko Salomaa, Dewan S Alam, Abdulla Al Shafi Majumder, Emanuele Di Angelantonio, Rajiv Chowdhury, Mark I McCarthy, Neil Poulter, Alice V Stanton, Peter Sever, Philippe Amouyel, Dominique Arveiler, Stefan Blankenberg, Jean Ferrières, Frank Kee, Kari Kuulasmaa, Martina Müller-Nurasyid, Giovanni Veronesi, Jarmo Virtamo, Panos Deloukas, Paul Elliott, Eleftheria Zeggini, Sekar Kathiresan, Olle Melander, Johanna Kuusisto, Markku Laakso, Sandosh Padmanabhan, David J Porteous, Caroline Hayward, Generation Scotland, Francis S Collins, Karen L Mohlke, Torben Hansen, Oluf Pedersen, Michael Boehnke, Heather M Stringham, Philippe Frossard, Christopher Newton-Cheh, Martin D Tobin, Børge Grønne Nordestgaard, Mark J Caulfield, Anubha Mahajan, Andrew P Morris, Maciej Tomaszewski, Nilesh J Samani, Danish Saleheen, Folkert W Asselbergs, Cecilia M Lindgren, John Danesh, Louise V Wain, Adam S Butterworth, Joanna M M Howson, Patricia B Munroe
High blood pressure is a major risk factor for cardiovascular disease and premature death. However, there is limited knowledge on specific causal genes and pathways. To better understand the genetics of blood pressure, we genotyped 242,296 rare, low-frequency and common genetic variants in up to 192,763 individuals and used ∼155,063 samples for independent replication. We identified 30 new blood pressure- or hypertension-associated genetic regions in the general population, including 3 rare missense variants in RBM47, COL21A1 and RRAS with larger effects (>1...
October 2016: Nature Genetics
Débora Delwing-Dal Magro, Roberto Roecker, Gustavo M Junges, André F Rodrigues, Daniela Delwing-de Lima, José G P da Cruz, Angela T S Wyse, Heloisa S Pitz, Ana L B Zeni
We investigated, in vivo (acute and chronic), the effects of proline on thiobarbituric acid-reactive substances (TBA-RS) and on the activities of antioxidant enzymes such as catalase (CAT), glutathione peroxidase (GSH-Px) and superoxide dismutase (SOD) in renal tissues (cortex and medulla) of rats. For acute administration, 29-day-old rats received a single subcutaneous injection of proline (18.2μmol/g body weight) or an equivalent volume of 0.9% saline solution and were sacrificed 1h later. For chronic treatment, proline was injected subcutaneously in the rats twice a day from the 6th to the 28th day of age, and the animals were killed 12h after the last injection...
August 30, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Shuangshuang Zhang, Xiangdong Liu, Lihong Mei, Hongfeng Wang, Fang Fang
BACKGROUND: Psoriasis is a chronic inflammatory immune disease with undefined pathogenesis. It is associated with T cells, and the IL-23/IL17 axis is believed to be crucial in the pathogenesis. The present treatments have side effects that influence the compliance of patients. Tea polyphenol is extracted from tea polyphenols, and its main active ingredient is Epigallocatechin-3-gallate (EGCG), which has been shown to have antioxidant, anti-tumor, and anti-ultraviolet radiation effects...
2016: BMC Complementary and Alternative Medicine
Ripa Jamal, Rieko Shimogawara, Ki-Ichi Yamamoto, Nobuo Ohta
BACKGROUND: Previous publications suggest that nutritional supplements have anti-trypanosome activity in vitro, although apparent efficacy was not noted in vivo. This study was conducted by experimentally infecting mice with Trypanosoma brucei brucei to assess the anti-trypanosome activity of various nutritional supplements with the hope of finding possible application in the treatment of African trypanosomiasis. METHODS: Activities of nutritional supplements were screened in vitro against bloodstream forms of T...
2016: Tropical Medicine and Health
Karina R Lora, Brenda Davy, Valisa Hedrick, Ann M Ferris, Michael P Anderson, Dorothy Wakefield
BACKGROUND: Understanding the relationship between high-calorie beverage consumption and weight gain requires an accurate report of dietary intake. A critical need exists to develop and test the psychometrics of brief quantitative tools for minority pediatric populations. OBJECTIVE: To modify the adult beverage intake questionnaire (BEVQ-15) for Hispanic preschool-aged children (BEVQ-PS) and test its validity and test-retest reliability in children aged 3 to 5 years...
August 20, 2016: Journal of the Academy of Nutrition and Dietetics
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