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https://www.readbyqxmd.com/read/28633584/variation-of-alkaloid-contents-and-antimicrobial-activities-of-papaver-rhoeas-l-growing-in-turkey-and-northern-cyprus
#1
İlkcan Çoban, Gizem Gülsoy Toplan, Berna Özbek, Çağlayan Unsal Gürer, Günay Sarıyar
CONTEXT: Papaver rhoeas L. (Papaveraceae) corn poppy, widely distributed in Turkey, is used to make a cough syrup for children, as a tea for disturbed sleep, for pain relief and as a sedative in folk medicine. OBJECTIVE: Samples of P. rhoeas collected from eight different locations in Turkey and three from northern Cyprus were investigated for their alkaloid content and screened for their antimicrobial activities. MATERIALS AND METHODS: From the aerial parts of P...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28630559/drug-policy-and-indigenous-peoples
#2
Julian Burger, Mary Kapron
This paper identifies the principal concerns of indigenous peoples with regard to current international treaties on certain psychoactive substances and policies to control and eradicate their production, trafficking, and sale. Indigenous peoples have a specific interest in the issue since their traditional lands have become integrated over time into the large-scale production of coca, opium poppy, and cannabis crops, in response to high demand from the American and European markets, among others. As a consequence, indigenous peoples are persecuted because of their traditional use of these and other plant-based narcotics and hallucinogens...
June 2017: Health and Human Rights
https://www.readbyqxmd.com/read/28622767/praziquantel-decreases-fecundity-in-schistosoma-mansoni-adult-worms-that-survive-treatment-evidence-from-a-laboratory-life-history-trade-offs-selection-study
#3
Poppy H L Lamberton, Christina L Faust, Joanne P Webster
BACKGROUND: Mass drug administration of praziquantel is the World Health Organization's endorsed control strategy for schistosomiasis. A decade of annual treatments across sub-Saharan Africa has resulted in significant reductions of infection prevalence and intensity levels, although 'hotspots' remain. Repeated drug treatments place strong selective pressures on parasites, which may affect life-history traits that impact transmission dynamics. Understanding drug treatment responses and the evolution of such traits can help inform on how to minimise the risk of drug resistance developing, maximise sustainable control programme success, and improve diagnostic protocols...
June 16, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28614028/spontaneous-pulmonary-embolism-following-a-recently-thrombosed-disused-haemodialysis-fistula
#4
Poppy Elmhirst, Bryan Renton
No abstract text is available yet for this article.
June 2, 2017: British Journal of Hospital Medicine
https://www.readbyqxmd.com/read/28611731/the-genomic-architecture-of-novel-simulium-damnosum-wolbachia-prophage-sequence-elements-and-implications-for-onchocerciasis-epidemiology
#5
James L Crainey, Jacob Hurst, Poppy H L Lamberton, Robert A Cheke, Claire E Griffin, Michael D Wilson, Cláudia P Mendes de Araújo, María-Gloria Basáñez, Rory J Post
Research interest in Wolbachia is growing as new discoveries and technical advancements reveal the public health importance of both naturally occurring and artificial infections. Improved understanding of the Wolbachia bacteriophages (WOs) WOcauB2 and WOcauB3 [belonging to a sub-group of four WOs encoding serine recombinases group 1 (sr1WOs)], has enhanced the prospect of novel tools for the genetic manipulation of Wolbachia. The basic biology of sr1WOs, including host range and mode of genomic integration is, however, still poorly understood...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28609429/reciprocal-evolution-of-opiate-science-from-medical-and-cultural-perspectives
#6
George B Stefano, Nastazja Pilonis, Radek Ptacek, Richard M Kream
Over the course of human history, it has been common to use plants for medicinal purposes, such as for providing relief from particular maladies and self-medication. Opium represents one longstanding remedy that has been used to address a range of medical conditions, alleviating discomfort often in ways that have proven pleasurable. Opium is a combination of compounds obtained from the mature fruit of opium poppy, papaver somniferum. Morphine and its biosynthetic precursors thebaine and codeine constitute the main bioactive opiate alkaloids contained in opium...
June 13, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28599092/antioxidant-and-proteinase-inhibitory-activities-of-selected-poppy-papaver-somniferum-l-genotypes
#7
Erik Krošlák, Tibor Maliar, Peter Nemeček, Jana Viskupičová, Mária Maliarová, Michaela Havrlentová, Ján Kraic
Poppy seeds (Papaver somniferum L.) belong to tasty food ingredients however, they should be considered also as valuable source of biologically active compounds. Content of selected metabolites, antioxidant and proteinase inhibitory activities were analyzed in vitro in extracts from seeds of fifteen poppy genotypes. Considerable variation in all parameters was detected within the set of analyzed poppy genotypes. The genotype Major expressed the highest antioxidant activity determined by all four methodological approaches (DPPH, ABTS, FRAP, RP)...
June 9, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28592290/dna-methylation-based-chromatin-compartments-and-chip-seq-profiles-reveal-transcriptional-drivers-of-prostate-carcinogenesis
#8
Poppy Simmonds, Erick Loomis, Edward Curry
BACKGROUND: Profiles of DNA methylation of many tissues relevant in human disease have been obtained from microarrays and are publicly available. These can be used to generate maps of chromatin compartmentalization, demarcating open and closed chromatin across the genome. Additionally, large sets of genome-wide transcription factor binding profiles have been made available thanks to ChIP-seq technology. METHODS: We have identified genomic regions with altered chromatin compartmentalization in prostate adenocarcinoma tissue relative to normal prostate tissue, using DNA methylation microarray data from The Cancer Genome Atlas...
June 7, 2017: Genome Medicine
https://www.readbyqxmd.com/read/28580502/in-vitro-bioavailability-of-calcium-magnesium-iron-zinc-and-copper-from-gluten-free-breads-supplemented-with-natural-additives
#9
J Regula, A Cerba, J Suliburska, A A Tinkov
The aim of this study was to measure the content of calcium, magnesium, iron, zinc, and copper and determine the bioavailability of these ingredients in gluten-free breads fortified with milk and selected seeds. Due to the increasing prevalence of celiac disease and mineral deficiencies, it has become necessary to produce food with higher nutritional values which maintains the appropriate product characteristics. This study was designed for gluten-free breads fortified with milk and seeds such as flax, poppy, sunflower seeds, pumpkin seeds or nuts, and flour with amaranth...
June 3, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28558033/sourcer-classification-and-source-attribution-of-infectious-agents-among-heterogeneous-populations
#10
Poppy Miller, Jonathan Marshall, Nigel French, Chris Jewell
Zoonotic diseases are a major cause of morbidity, and productivity losses in both human and animal populations. Identifying the source of food-borne zoonoses (e.g. an animal reservoir or food product) is crucial for the identification and prioritisation of food safety interventions. For many zoonotic diseases it is difficult to attribute human cases to sources of infection because there is little epidemiological information on the cases. However, microbial strain typing allows zoonotic pathogens to be categorised, and the relative frequencies of the strain types among the sources and in human cases allows inference on the likely source of each infection...
May 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28543087/death-due-to-complications-of-bowel-obstruction-following-raw-poppy-seed-ingestion
#11
Leah M Schuppener, Robert F Corliss
Eating poppy seeds can cause a positive urine drug screen, but it is unknown whether ingesting large quantities can result in opiate intoxication or toxicity. A 54-year-old woman with intractable vomiting was found unresponsive at home and later pronounced dead. At autopsy, a cast-like large bowel obstruction composed of poppy seeds was identified. Postmortem blood morphine level was < 10 ng/mL. Cause of death was determined to be complications of a bowel obstruction secondary to poppy seed ingestion. Deaths related to eating poppy seeds have not been described in the literature...
May 23, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28528955/potential-therapeutic-activity-of-phlogacanthus-thyrsiformis-hardow-mabb-flower-extract-and-its-biofabricated-silver-nanoparticles-against-chemically-induced-urolithiasis-in-male-wistar-rats
#12
Poppy Das, Kiran Kumar, Arunai Nambiraj, Reshma Rajan, Rajendra Awasthi, Kamal Dua, Himaja M
Urolithiasis is a painful disorder in which stones are formed in the kidney, bladder or urethra. There are no proper therapeutic treatments available for kidney stones and people suffering from larger stones have to undergo surgery which has many side effects. A natural remedy with therapeutic effects that can dissipate and remove even the larger stones would eliminate the need of a surgery and the risks associated with it. The flowers of Phlogacanthus thyrsiformis used in culinary recipes in the north eastern India are also widely used as a folklore medicine for the treatment of kidney stones and liver disorders...
May 18, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28480527/source-determination-of-red-gel-pen-inks-using-raman-spectroscopy-and-attenuated-total-reflectance-fourier-transform-infrared-spectroscopy-combined-with-pearson-s-product-moment-correlation-coefficients-and-principal-component-analysis
#13
Muhammad Naeim Mohamad Asri, Wan Nur Syuhaila Mat Desa, Dzulkiflee Ismail
The potential combination of two nondestructive techniques, that is, Raman spectroscopy (RS) and attenuated total reflectance-fourier transform infrared (ATR-FTIR) spectroscopy with Pearson's product moment correlation (PPMC) coefficient (r) and principal component analysis (PCA) to determine the actual source of red gel pen ink used to write a simulated threatening note, was examined. Eighteen (18) red gel pens purchased from Japan and Malaysia from November to December 2014 where one of the pens was used to write a simulated threatening note were analyzed using RS and ATR-FTIR spectroscopy, respectively...
May 8, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28456305/target-site-and-non-target-site-resistance-mechanisms-to-als-inhibiting-herbicides-in-papaver-rhoeas
#14
Jordi Rey-Caballero, Julio Menéndez, Maria D Osuna, Marisa Salas, Joel Torra
Target-site and non-target-site resistance mechanisms to ALS inhibitors were investigated in multiple resistant (tribenuron-methyl and 2,4-D) and only 2,4-D resistant, Spanish corn poppy populations. Six amino-acid replacements at the Pro197 position (Ala197, Arg197, His197, Leu197, Thr197 and Ser197) were found in three multiple resistant populations. These replacements were responsible for the high tribenuron-methyl resistance response, and some of them, especially Thr197 and Ser197, elucidated the cross-resistant pattern for imazamox and florasulam, respectively...
May 2017: Pesticide Biochemistry and Physiology
https://www.readbyqxmd.com/read/28455458/an-interesting-case-of-opium-tea-toxicity
#15
Chitsa Seyani, Peregrine Green, Lisa Daniel, Amanda Pegden
We present an unusual cause of respiratory arrest resulting from sole ingestion of home-brewed opium tea. A 64-year-old woman was found unresponsive and in respiratory arrest by a first responder. There were no obvious signs of regular recreational drug use. On presentation to the local district general hospital, the patient was in extremis, with severe physiological and biochemical derangements. A naloxone infusion was commenced and she later made a good recovery. It was subsequently discovered that she had brewed opium tea from opium buds she had picked from a nearby commercial poppy farm, a practice she had learnt while in Afghanistan...
April 28, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28453661/photoreceptor-outer-segment-as-a-sink-for-membrane-proteins-hypothesis-and-implications-in-retinal-ciliopathies
#16
Seongjin Seo, Poppy Datta
The photoreceptor outer segment (OS) is a unique modification of the primary cilium, specialized for light perception. Being homologous organelles, the primary cilium and the OS share common building blocks and molecular machinery to construct and maintain them. The OS, however, has several unique structural features that are not seen in primary cilia. Although these unique features of the OS have been well documented, their implications in protein localization have been under-appreciated. In this review, we compare the structural properties of the primary cilium and the OS, and propose a hypothesis that the OS can act as a sink for membrane proteins...
April 26, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28450844/stimulus-control-over-action-for-food-in-obese-versus-healthy-weight-individuals
#17
Poppy Watson, Reinout W Wiers, Bernhard Hommel, Victor E A Gerdes, Sanne de Wit
In the current study we examined an associative learning mechanism by which food cues (signaling low- versus high-calorie food) can bias instrumental responses directed toward those foods. To investigate the clinical relevance of this mechanism, we used a computerized Pavlovian-to-instrumental transfer task and compared performance of 19 severely obese individuals to that of 19 healthy-weight controls matched for age, education and gender. During the response-priming test we exposed participants to both food pictures and to Pavlovian cues predictive of those food pictures, and examined their biasing effect on instrumental choice...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28447334/-1-h-nmr-1-h-nmr-t2-edited-and-2d-nmr-in-bipolar-disorder-metabolic-profiling
#18
Sumit Sethi, Mariana Pedrini, Lucas B Rizzo, Maiara Zeni-Graiff, Caroline Dal Mas, Ana Cláudia Cassinelli, Mariane N Noto, Elson Asevedo, Quirino Cordeiro, João G M Pontes, Antonio J M Brasil, Acioly Lacerda, Mirian A F Hayashi, Ronei Poppi, Ljubica Tasic, Elisa Brietzke
BACKGROUND: The objective of this study was to identify molecular alterations in the human blood serum related to bipolar disorder, using nuclear magnetic resonance (NMR) spectroscopy and chemometrics. METHODS: Metabolomic profiling, employing (1)H-NMR, (1)H-NMR T2-edited, and 2D-NMR spectroscopy and chemometrics of human blood serum samples from patients with bipolar disorder (n = 26) compared with healthy volunteers (n = 50) was performed. RESULTS: The investigated groups presented distinct metabolic profiles, in which the main differential metabolites found in the serum sample of bipolar disorder patients compared with those from controls were lipids, lipid metabolism-related molecules (choline, myo-inositol), and some amino acids (N-acetyl-L-phenyl alanine, N-acetyl-L-aspartyl-L-glutamic acid, L-glutamine)...
December 2017: International Journal of Bipolar Disorders
https://www.readbyqxmd.com/read/28444823/dissociable-corticostriatal-circuits-underlie-goal-directed-versus-cue-elicited-habitual-food-seeking-after-satiation-evidence-from-a-multimodal-mri-study
#19
Henk van Steenbergen, Poppy Watson, Reinout W Wiers, Bernhard Hommel, Sanne de Wit
The present multimodal MRI study advances our understanding of the corticostriatal circuits underlying goal-directed versus cue-driven, habitual food seeking. To this end, we employed a computerized Pavlovian-instrumental transfer (PIT) paradigm. During the test phase, participants were free to perform learnt instrumental responses (left and right key presses) for popcorn and Smarties outcomes. Importantly, prior to this test half of the participants had been sated on popcorn and the other half on Smarties - resulting in a reduced desirability of those outcomes...
April 26, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28411561/selective-attention-moderates-the-relationship-between-attentional-capture-by-signals-of-nondrug-reward-and-illicit-drug-use
#20
Lucy Albertella, Jan Copeland, Daniel Pearson, Poppy Watson, Reinout W Wiers, Mike E Le Pelley
BACKGROUND: The current study examined whether cognitive control moderates the association between (non-drug) reward-modulated attentional capture and use of alcohol and other drugs (AOD). METHODS: Participants were 66 university students who completed an assessment including questions about AOD use, a visual search task to measure value-modulated attentional capture, and a goal-directed selective attention task as a measure of cognitive control. RESULTS: The association between the effect of value-modulated attentional capture and illicit drug use was moderated by level of cognitive control...
March 30, 2017: Drug and Alcohol Dependence
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