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https://www.readbyqxmd.com/read/28735523/histochemistry-and-immunolocalisation-of-glucokinin-in-antidiabetic-plants-used-in-traditional-mexican-medicine
#1
Guillermo Laguna-Hernández, Carlos A Rio-Zamorano, Itzel G Meneses-Ochoa, Alicia E Brechú-Franco
Mexico is a megadiverse country that has 3,600 to 4,000 species of medicinal plants, of which approximately 800 are used to treat conditions related to diabetes mellitus (DM). DM is a chronic degenerative disease of energy metabolism that exists as two types: type 1 (DM1) and type 2 (DM2). DM is considered a public health problem that affects 7% of the Mexican population older than 20 years. DM is clinically controlled with hypoglycaemic drugs, alpha-glucosidase inhibitors, insulin secretion stimulants or the direct application of insulin...
June 21, 2017: European Journal of Histochemistry: EJH
https://www.readbyqxmd.com/read/28735515/determination-of-cell-fate-in-skeletal-muscle-following-bmp-gene-transfer-by-in-vivo-electroporation
#2
Mariko Kawai, Yu-Ki Ohmori, Mai Nishino, Masayo Yoshida, Kaori Tabata, Do-Saku Hirota, Ayako Ryu-Mon, Hiromitsu Yamamoto, Junya Sonobe, Yo-Hei Kataoka, Noriko Shiotsu, Mika Ikegame, Hiroki Maruyama, Toshio Yamamoto, Kazuhisa Bessho, Kiyoshi Ohura
We previously developed a novel method for gene transfer, which combined a non-viral gene expression vector with transcutaneous in vivo electroporation. We applied this method to transfer the bone morphogenetic protein (BMP) gene and induce ectopic bone formation in rat skeletal muscles. At present, it remains unclear which types of cells can differentiate into osteogenic cells after BMP gene transfer by in vivo electroporation. Two types of stem cells in skeletal muscle can differentiate into osteogenic cells: muscle-derived stem cells, and bone marrow-derived stem cells in the blood...
May 5, 2017: European Journal of Histochemistry: EJH
https://www.readbyqxmd.com/read/28735503/association-between-allergic-disease-sleep-disordered-breathing-and-childhood-nocturnal-enuresis-a-population-based-case-control-study
#3
Jeng-Dau Tsai, Hsuan-Ju Chen, Min-Sho Ku, Shan-Ming Chen, Chih-Chuan Hsu, Min-Che Tung, Che-Chen Lin, Hsing-Yi Chang, Ji-Nan Sheu
BACKGROUND: Little is known about the associations between allergic disease, sleep-disordered breathing (SDB), and childhood nocturnal enuresis (NE). We examined whether allergic disease and SDB were associated with childhood NE. METHODS: Data were assessed from the 2007-2012 Taiwan National Health Insurance Research Database. We enrolled 4308 children aged 5-18 years having NE diagnosis and age- and sex-matched 4308 children as the control group. The odds ratios of NE were calculated to determine an association with preexisting allergic disease and SDB...
July 22, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28735499/an-evaluation-of-the-reliability-of-the-characterization-of-the-porous-structure-of-activated-carbons-based-on-incomplete-nitrogen-adsorption-isotherms
#4
Mirosław Kwiatkowski, Bassim H Hameed
The paper presents the results of research devoted to reliability evaluation of the analysis of results of the porous structure of activated carbons based on incomplete nitrogen adsorption isotherms using the BET, t-plot, and NLDFT methods, as well as the LBET method comprising the unique numerical fast multivariant procedure of adsorption system identification. The research involved the application of the nitrogen adsorption isotherms obtained for five samples of activated carbons produced from waste materials of organic origin by way of chemical activation with potassium hydroxide, sodium hydroxide, and potassium carbonate with the use of microwave heating...
August 2017: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/28735497/conceptual-dft-analysis-of-the-regioselectivity-of-1-3-dipolar-cycloadditions-nitrones-as-a-case-of-study
#5
Ramón Alain Miranda-Quintana, Marco Martínez González, David Hernández-Castillo, Luis A Montero-Cabrera, Paul W Ayers, Christophe Morell
The regioselectivity of the 1,3-dipolar cycloaddition of a model nitrone with a set of dipolarophiles, presenting diverse electronic effects, is analyzed using conceptual density functional theory (DFT) methods. We deviate from standard approaches based on frontier molecular orbitals and formulations of the local hard/soft acid/base principle and use instead the dual descriptor. A detailed analysis is carried out to determine the influence of the way to calculate the dual descriptor, the computational procedure, basis set and choice of method to condensate the values of this descriptor...
August 2017: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/28735495/neuroanatomical-and-resting-state-eeg-power-correlates-of-central-hearing-loss-in-older-adults
#6
Nathalie Giroud, Sarah Hirsiger, Raphaela Muri, Andrea Kegel, Norbert Dillier, Martin Meyer
To gain more insight into central hearing loss, we investigated the relationship between cortical thickness and surface area, speech-relevant resting state EEG power, and above-threshold auditory measures in older adults and younger controls. Twenty-three older adults and 13 younger controls were tested with an adaptive auditory test battery to measure not only traditional pure-tone thresholds, but also above individual thresholds of temporal and spectral processing. The participants' speech recognition in noise (SiN) was evaluated, and a T1-weighted MRI image obtained for each participant...
July 22, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28735488/bioinformatics-data-analysis-of-next-generation-sequencing-data-from-heterogeneous-tumor-samples
#7
Sean R Landman, Tae Hyun Hwang
Tumor heterogeneity is a major challenge when it comes to treating cancer and also complicates research aimed at determining genetic sources for tumorigenesis. Leveraging high-throughput sequencing technology has been an effective approach for advancing our understanding of genetic diseases, and this type of data can also be used to better understand and make inferences about tumor heterogeneity. Here we describe the basics of genomics data analysis, as well as analysis pipelines for investigating tumor heterogeneity with next-generation sequencing data...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28735480/immunophenotyping-by-multiparameter-flow-cytometry
#8
Weina Chen, Hung S Luu
Multiparameter flow cytometry has become an indispensable tool for the diagnosis and classification of acute myeloid leukemia (AML). The basic method relies on the unique ability to detect immunophenotypic abnormalities on discrete subpopulations. The primary roles in the initial assessment of AML are to determine the immaturity of the leukemic population, define the lineage and the immunophenotypic aberrancies in blasts, and identify characteristic immunophenotypic features to predict important recurrent cytogenetic and genetic abnormalities and prognosis...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28735466/comparative-metabolic-analysis-in-head-and-neck-cancer-and-the-normal-gingiva
#9
Nadine Fabienne Voelxen, Sebastian Blatt, Pascal Knopf, Maurice Henkel, Christina Appelhans, Leonardo A R Righesso, Andreas Pabst, Jutta Goldschmitt, Stefan Walenta, Andreas Neff, Wolfgang Mueller-Klieser, Thomas Ziebart
OBJECTIVES: Chronic accumulation of lactate in malignant tumor tissue is associated with increased malignancy and radioresistance. For this study, biopsies of primary head and neck squamous cell carcinoma (HNSCC) and of the normal gingiva of the same patient were compared via metabolic profiling to the healthy gingiva from cancer-free patients. MATERIALS AND METHODS: Cryobiopsies of 140 HNSCC patients were used to determine ATP, lactate, and glucose concentrations of the tumor and normal gingiva via induced metabolic bioluminescence imaging (imBI)...
July 22, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28735450/prescription-drug-price-paradox-cost-analysis-of-canadian-online-pharmacies-versus-us-medicare-beneficiaries-for-the-top-100-drugs
#10
Sean Hyungwoo Kim, Young Joo Ryu, Na-Eun Cho, Andy Eunwoo Kim, Jongwha Chang
BACKGROUND AND OBJECTIVES: Despite the introduction of Medicare Part D (MPD) and 2012 Affordable Care Act (ACA), patients have a cost burden due to increases in drug prices. To overcome cost barriers, some patients purchase their medications from Canadian online pharmacies as Canadian prescription drug prices are believed to be lower than US prescription drug prices. The objective of this study was to determine which top 100 Medicare drugs can be imported to the USA legally, and to determine which type of prescription drug would be more beneficial to be purchased from Canadian online pharmacies...
July 22, 2017: Clinical Drug Investigation
https://www.readbyqxmd.com/read/28735449/therapy-with-omeprazole-modulates-regulatory-t-cell-t-helper-17-immune-response-in-children-with-duodenal-ulcers
#11
Chuan-Ying Li, Cheng Wu
The purpose of this study was to determine the effect of omeprazole on the regulatory T cell (Treg) and T helper 17 (Th17)-mediated response in patients with duodenal ulcers (DUs). DU patients were randomly divided into omeprazole and colloid bismuth subcitrate treatment groups. The ratios of Th17 and Treg in peripheral blood mononuclear cells (PBMCs) were measured. Cytokine production and Foxp3(+)- and RORγt-positive cells were detected. The expressions of STAT3, p-STAT3, STAT5 and p-STAT5 were detected by Western blot...
July 22, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28735442/mechanisms-regulating-dendritic-arbor-patterning
#12
REVIEW
Fernanda Ledda, Gustavo Paratcha
The nervous system is populated by diverse types of neurons, each of which has dendritic trees with strikingly different morphologies. These neuron-specific morphologies determine how dendritic trees integrate thousands of synaptic inputs to generate different firing properties. To ensure proper neuronal function and connectivity, it is necessary that dendrite patterns are precisely controlled and coordinated with synaptic activity. Here, we summarize the molecular and cellular mechanisms that regulate the formation of cell type-specific dendrite patterns during development...
July 22, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28735416/super-resolution-microscopical-localization-of-dopamine-receptors-1-and-2-in-rat-hippocampal-synaptosomes
#13
Andras G Miklosi, Giorgia Del Favero, Tanja Bulat, Harald Höger, Ryuichi Shigemoto, Doris Marko, Gert Lubec
Although dopamine receptors D1 and D2 play key roles in hippocampal function, their synaptic localization within the hippocampus has not been fully elucidated. In order to understand precise functions of pre- or postsynaptic dopamine receptors (DRs), the development of protocols to differentiate pre- and postsynaptic DRs is essential. So far, most studies on determination and quantification of DRs did not discriminate between subsynaptic localization. Therefore, the aim of the study was to generate a robust workflow for the localization of DRs...
July 22, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28735413/echocardiographic-and-hemodynamic-assessment-for-predicting-early-clinical-events-in-severe-acute-mitral-regurgitation
#14
Shin Watanabe, Kenneth Fish, Guillaume Bonnet, Carlos G Santos-Gallego, Lauren Leonardson, Roger J Hajjar, Kiyotake Ishikawa
The diagnostic role of echocardiographic and hemodynamic assessment in acute mitral regurgitation (AMR) remains unclear. The central question of this study was to determine if echocardiographic and hemodynamic parameters can predict early clinical events in AMR. AMR was induced by percutaneously severing the mitral valve chordae tendineae in 39 Yorkshire pigs. Immediately after AMR induction, echocardiographic and hemodynamic exams were performed, and compared between those who died and those who survived within 30-days of the procedure...
July 22, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28735407/determination-of-polyamines-by-dansylation-benzoylation-and-capillary-electrophoresis
#15
Gounipalli Veeranagamallaiah, Chinta Sudhakar
Polyamines are polycationic nitrogenous compounds that accumulate in plants exposed to abiotic stresses. In higher animals, they influence gene expression, brain development, and nerve growth and regeneration. Because of their known roles in plant stress responses, quantitative determination of polyamines is very important. Polyamines in their native form cannot be detected by optical and/or electrochemical methods as they do not show any structural features, and hence derivatization of polyamines is essential to make them to produce either chromophores or fluorescence...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28735403/determining-glutathione-levels-in-plants
#16
Smita Sahoo, Jay Prakash Awasthi, Ramanjulu Sunkar, Sanjib Kumar Panda
Upon exposure to abiotic stresses, plants tend to accumulate excessive amounts of reactive oxygen species (ROS) that inturn react with cellular lipids, proteins, and DNA. Therefore, decreasing ROS accumulation is indispensible to survive under stress, which is accomplished by inducing enzymatic and nonenzymatic antioxidant defense pathways. Glutathione, particularly reduced glutathione (GSH), represents a principal anitioxidant that could decrease ROS through scavenging them directly or indirectly through ascorbate-glutathione cycle or GSH peroxidases...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28735402/determination-of-total-sulfur-sulfate-sulfite-thiosulfate-and-sulfolipids-in-plants
#17
Assylay Kurmanbayeva, Galina Brychkova, Aizat Bekturova, Inna Khozin, Dominic Standing, Dmitry Yarmolinsky, Moshe Sagi
In response to oxidative stress the biosynthesis of the ROS scavenger, glutathione is induced. This requires the induction of the sulfate reduction pathway for an adequate supply of cysteine, the precursor for glutathione. Cysteine also acts as the sulfur donor for the sulfuration of the molybdenum cofactor, crucial for the last step of ABA biosynthesis. Sulfate and sulfite are, respectively, the precursor and intermediate for cysteine biosynthesis and there is evidence for stress-induced sulfate uptake and further downstream, enhanced sulfite generation by 5'-phosphosulfate (APS) reductase (APR, EC 1...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28735401/determination-of-enzymes-associated-with-sulfite-toxicity-in-plants-kinetic-assays-for-so-apr-sir-and-in-gel-sir-activity
#18
Galina Brychkova, Assylay Kurmanbayeva, Aizat Bekturova, Inna Khozin, Dominic Standing, Dmitry Yarmolinsky, Moshe Sagi
The amino acid cysteine plays a major role in plant response to abiotic stress by being the donor of elemental sulfur for the sulfuration of the molybdenum cofactor, otherwise the last step of ABA biosynthesis, the oxidation of abscisic aldehyde, is inactivated. Additionally, cysteine serves as a precursor for the biosynthesis of glutathione, the reactive oxygen species scavenger essential for redox status homeostasis during stress. Cysteine is generated by the sulfate reductive pathway where sulfite oxidase (SO; EC 1...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28735391/toward-a-resilient-functional-microbiome-drought-tolerance-alleviating-microbes-for-sustainable-agriculture
#19
Venkatachalam Lakshmanan, Prasun Ray, Kelly D Craven
In recent years, the utilization of novel sequencing techniques opened a new field of research into plant microbiota and was used to explore a wide diversity of microorganisms both inside and outside of plant host tissues, i.e., the endosphere and rhizosphere, respectively. An early realization from such research was that species richness and diversity of the plant microbiome are both greater than believed even a few years ago, and soil is likely home to the most abundant and diverse microbial habitats known...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28735384/influence-of-feeding-inorganic-vanadium-on-growth-performance-endocrine-variables-and-biomarkers-of-bone-health-in-crossbred-calves
#20
Ravi Prakash Pal, Veena Mani, Deepika Tripathi, Rajesh Kumar, Neelam J Kewalramani
The nutritional essentialities of transition element vanadium (V) as micro-nutrient in farm animals have not yet been established, though in rat model, vanadium as vanadate has been reported to exert insulin-mimetic effect and shown to be needed for proper development of bones. The objective of this study was to determine the effect of V supplementation on growth performance, plasma hormones and bone health status in calves. Twenty-four crossbred calves (body weight 72.83 ± 2.5 kg; age 3-9 months) were blocked in four groups and randomly assigned to four treatment groups (n = 6) on body weight and age basis...
July 22, 2017: Biological Trace Element Research
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