... between non-REM and REM sleep, and their corresponding receptors will help in understanding the pathogenesis of obstructive apnoeas by explaining the modulation of respiratory and reflex inputs that ... OSA The following text summarizes some of the brainstem mechanisms that may be involved in modulating pharyngeal muscle activity during sleep and awake states, and that may represent potential therapeutic ... of these LDT/PPT neurones then leads to increased acetylcholine (ACh) release into the pontine reticular formation, resulting in activation of the neuronal systems that mediate ascending and...
Ngày tải lên: 12/08/2014, 18:20
... lipid-binding protein, intestinal 15 kDa protein, ileal bile acid- binding protein and gastrotropin, reflecting the speculations of authors on its intracellular function(s) In vitro binding assays ... (1972) A binding protein for fatty acids in cytosol of intestinal mucosa, liver, myocardium, and other tissues Science 177, 56–58 Haunerland NH & Spener F (2004) Fatty acid- binding proteins – insights ... identified in vertebrate species [3] Originally, these proteins were named according to the tissue from which they were initially isolated, e.g livertype fatty acid- binding protein (L-FABP), brain-type...
Ngày tải lên: 07/03/2014, 06:20
Tài liệu Báo cáo khoa học: Implication of the glutamine synthetase ⁄glutamate synthase pathway in conditioning the amino acid metabolism in bundle sheath and mesophyll cells of maize leaves doc
... serine and glycine was reduced from 33% in the light to 25% in the dark (Fig 7A) Glutamine and asparagine were the major amino acids in the xylem sap in both the light (63% of the total amino acids) ... Amino acid metabolism and translocation M.-H Valadier et al acid synthesis in these cells, from which the amino acids are loaded to the phloem for the grain In the phloem sap, glutamine is the ... assimilated in the light (Fig 1B) The major amino acids in the leaves were alanine (2639%), glycine (2640%), glutamic acid (614%), serine (812%) and aspartic acid (416%) in both the light and dark...
Ngày tải lên: 18/02/2014, 18:20
Báo cáo khoa học: Glutamic acid residues in the C-terminal extension of small heat shock protein 25 are critical for structural and functional integrity pptx
... C-terminal extension in maintaining the solubility of the Hsp25 oligomer Similarly, the introduction of hydrophobicity into the C-terminal extension of aA-crystallin results in a decrease in the thermostability ... protein indicates that the structure of the N-terminal domain is maintained, at least in the vicinity of the tryptophan residues The increase in exposed clustered hydrophobicity observed for the ... protein sequestration The decrease in polarity of the C-terminal extension may also facilitate interaction between the extension and hydrophobic chaperone binding sites, resulting in the binding...
Ngày tải lên: 07/03/2014, 04:20
Báo cáo khoa học: Structural and functional consequences of single amino acid substitutions in the pyrimidine base binding pocket of Escherichia coli CMP kinase pdf
... which the short a-helical LID domain, situated in the C-terminal moiety, and the NMP-binding (NMPbind) domain move in an induced-t mechanism, closing upon binding of the phosphate donor and acceptor ... further explore the contribution of these amino acids interacting with the pyrimidine ring to the catalysis of E coli CMP kinase Substitution of the side chain from a well-structured protein ... consisting of three domains, the CORE, the LID and the NMPbind [1] A characteristic of bacterial CMP kinases is an extension of the NMPbind domain by 40 amino acid residues forming a three-stranded...
Ngày tải lên: 16/03/2014, 10:20
Báo cáo khoa học: Suppression of nuclear factor-jB activity in macrophages by chylomicron remnants: modulation by the fatty acid composition of the particles pot
... the liver in CMR in the postprandial phase In this study, we investigated the effects of CMR on NF-jB activation in macrophages and determined whether these are modulated by the fatty acid composition ... mL) and incubations continued in fetal bovine serum-free culture medium for 24 h in the presence of ApoA-I ⁄ phosphatidylcholine (100 lgÆmL)1) At the times indicated in the text, aliquots of the ... important for regulating in ammatory events in macrophages, including the expression of proinflammatory cytokines and chemokines [e.g tumour necrosis factor a (TNFa), interleukin (IL)-1b, IL-6, monocyte...
Ngày tải lên: 23/03/2014, 04:20
Báo cáo y học: "Dietary fatty acid intake affects the risk of developing bone marrow lesions in healthy middle-aged adults without clinical knee osteoarthritis: a prospective cohort study" docx
... [7-9] However, there are no longitudinal studies examining the role of fatty acids on incident BMLs in either healthy or OA populations Therefore, the aim of this study was to examine the association ... the relationship between fatty acid intakes and incident BMLs after adjusting for potential confounders of age, gender, BMI, and energy intake Intake of fatty acids was standardised so that the ... increase of standard deviation in the respective fatty acid intake after adjusting for energy intake, age, gender, and body mass index CI, confidence interval; OR, odds ratio There is mounting evidence...
Ngày tải lên: 09/08/2014, 14:20
Báo cáo y học: "Type I interferon receptor controls B-cell expression of nucleic acid-sensing Toll-like receptors and autoantibody production in a murine model of lupus" doc
... of IFN and other proinflammatory cytokine signaling, including suppressor of cytokine signaling (SOCS1) and the Tyro-3, Axl, and Mer (TAM) receptors, have been shown to associate with, and regulate ... composed of two chains: IFNAR1 and IFNAR2 The IFNAR2 chain exists in both transmembrane and soluble isoforms and is critical for ligand binding and signal transduction through the receptor [27,28] ... crucial link between the IFN-I system and TLR signaling in vivo and suggest that IFN-I is upstream of TLRs in the loss of B-cell tolerance to nucleic acid- associated autoantigens in SLE Competing interests...
Ngày tải lên: 09/08/2014, 14:22
Báo cáo y học: "Morphological characterisation of portal myofibroblasts and hepatic stellate cells in the normal dog liver" pptx
... insight in normal baseline variation In the formalin fixed paraffin embedded normal canine liver vimentin staining did not differentiate between fibroblasts and MF in the portal area and the perivenous ... in the liver [5,9,10] HSC are located in Disse's space, in between the hepatocytes and the sinusoidal endothelium, and play an important role in normal and diseased liver as they 1) produce the ... observed in any other location in these sections Despite strong staining for synaptophysin in the adrenal medulla (external positive control), no staining was observed in any of the formalin fixed normal...
Ngày tải lên: 13/08/2014, 13:20
Báo cáo y học: "Antiviral therapy of HCV in the cirrhotic and transplant candidate"
... advanced liver disease Chronic HCV infection is the leading indication for liver transplantation (LT) in the United States and Europe Given the accelerated progression of HCV following LT, the observation ... temporary dose discontinuation in 3/20 (15%) Forns and colleagues used relatively high-dose interferon/ribavirin therapy in their cohort of 30 patients awaiting transplantation in Spain in an effort to ... low initial dose, with increases every two weeks toward standard target doses Duration of therapy was intended to be 24 weeks in genotypes and and 48 weeks in genotype infection Hematologic inclusion...
Ngày tải lên: 31/10/2012, 17:11
Natural botanical products have a long history in the world and are featured in using a complex
... is therefore possible that CKBM could induce cytokine release including TNF-α in these animals and inhibit tumor growth However, further study is needed to determine how they are induced and the ... compounds including lunasin and lectins that were shown to induce apoptosis in malignant cells [13] As CKBM contains these compounds, this would partially explain why it inhibits tumor growth in the ... through the induction of apoptosis and inhibition of proliferation of gastric cancer cells However, further clinical trials in humans are needed to examine the pharmacokinetics and the therapeutic...
Ngày tải lên: 03/11/2012, 09:54
Some aspects of American culture and society in the twentieth and twenty-first centuries through a number of selected short literary works
... another The grandmother held the floor most of the time from the beginning of the story in her decision where to go, in her introduction of the scenery along the journey While the father, the mother ... character and setting Technique has to with the structuring of the story into the plot so that the writer can convey the theme and the manipulating of the language in order to express the ideas of the ... “Everything That Rises Must Converge.”, however, the differences in the behaviors and attitudes of the grandmother, the father and the mother and the children at least cause discontent to one another...
Ngày tải lên: 07/11/2012, 15:01
Development of a Regional Risk Management Framework for APEC Economies for use in the Control and Prevention of Introduced Marine Pests
... Conclusions, including the results of the November 2001 Workshop Management Framework - Introd uced Marine Pests Management capabilities and approaches APEC and the MRCWG have a role in liaising with ... NACA to enhance the effectiveness of existing instruments within APEC Institutional arrangements for managing the marine environment is fragmented in most economies Baseline surveys to identify ... Within APEC little is known on the introduction of marine pests Little practical information on measures to prevent introductions Lack of knowledge in what individual countries are doing...
Ngày tải lên: 28/10/2013, 11:15
Self-deception - the normal and the pathological
... by placing their good hand under the middle of the tray and lifting But anosognosics attempted to lift it by placing their right hand on the right side of the tray and lifting, despite the fact ... low.) In this context, it is important to note a significant difference in the way in which information is processed in blindsight, on the one hand, and in the implicit processing demonstrated in ... m i n d Contemplating the mind/brain, the ways in which it works and the ways in which it can go wrong, is often disturbing It is disturbing because when we peer into the brain, we glimpse our...
Ngày tải lên: 01/11/2013, 09:20
Radioactive waste in the Barents and Kara Seas - Russian implementation of the global dumping regime
... nuclear issues in general, the feeling grew in the environmental movement that Yeltsin was increasingly yielding to the demands of the Ministry of Atomic Power and the nuclear-industrial lobby.99 ... nuclear matters, including the Navy and the Ministry of Atomic Power, have consolidated their control over domestic decisionmaking and are themselves becoming increasingly involved in cooperative ... dumping, as these prescriptions figure prominently in the unequivocal argument made in the Yablokov Report on the severity of past dumping and the need to invest more in storage and decontamination...
Ngày tải lên: 01/11/2013, 09:20
Tài liệu NEW ADVANCES IN THE BASIC AND CLINICAL GASTROENTEROLOGY docx
... cells, single lymphocytes scattered in the lamina propria and intraepithelial lymphocytes spread in the intestinal epithelia The immune system of infants is not fully developed The structures of the ... demonstrated their capacity to stimulate the production of intestinal mucines, their trophic effect on intestinal epithelium, the reestablishment of the intestinal mucosa integrity, the stimulation of the ... protein and fat leads to an increase in free amino acids and short chain fatty acids (SCFAs) Organic acids such as acetate and lactate produced during fermentation by LAB lower the pH of intestinal...
Ngày tải lên: 12/02/2014, 16:20
Tài liệu University Oars Being a Critical Enquiry Into the After Health of the Men Who Rowed in the Oxford and Cambridge Boat-Race, from the Year 1829 to 1869, Based on the Personal Experience of the Rowers Themselves pdf
... emigrated, and were either residing in our Colonies or in other parts of the world, and the only method I could discover of obtaining information regarding several of viil INTRODUCTION them, was ... health; in others, to the rowers being by nature constitutionally delicate; and in others again, to their having thoroughly overdone it, to their being in boating language "stale." As regards the ... rowing as to be of little or no service in maintaining the theory of rowing being injurious to the health At the same time I have never doubted that his early death, at the age of twenty-nine,...
Ngày tải lên: 14/02/2014, 21:20
Tài liệu The Role of BCG Vaccine in the Prevention and Control of Tuberculosis in the United States: A Joint Statement by the Advisory Council for the Elimination of Tuberculosis and the Advisory Committee on Immunization Practices docx
... adults These studies also were not useful in determining a) the efficacy of BCG vaccine in HCWs or b) the effects on efficacy of the vaccine strain administered Vol 45 / No RR-4 MMWR and the vaccinee’s ... current considerations and recommendations regarding the use of BCG vaccine in the United States In the United States, the prevalence of M tuberculosis infection and active TB disease varies for ... of the population; however, the risk for M tuberculosis infection in the overall population is low The primary strategy for preventing and controlling TB in the United States is to minimize the...
Ngày tải lên: 15/02/2014, 13:20
Tài liệu Báo cáo khoa học: Neuronal growth-inhibitory factor (metallothionein-3): evaluation of the biological function of growth-inhibitory factor in the injured and neurodegenerative brain pdf
... of a brain-specific MT isoform, GIF, in 1991, sparked considerable interest in understanding the role of all MTs in the brain, and particularly within the injured or diseased brain In the case ... might in uence the disease process in AD 2936 Role of the neurite growth-inhibitory properties of GIF in AD There have been extensive studies examining the role of GIF in AD, linked to its initial ... deficient in the AD brain There remains no clear consensus on the role of GIF in the pathogenesis of AD, and therefore we will briefly review some of the current thoughts on the role of GIF in AD There...
Ngày tải lên: 16/02/2014, 15:20
Tài liệu The Applicability of Remote Sensing in the Field of Air Pollution docx
... find the minimum For mildly non-linear models, the minimum can be found by linearizing the model around some initial estimate and iteratively applying the matrix inversion and re-computing the ... definitely exist in using remote sensing information for the validation of emission inventories and for a better understanding of the atmospheric processes controlling air pollution episodes In ... air quality monitoring and forecasting will combine satellite and model information, using data assimilation In addition, there are also interesting several interesting stand-alone applications...
Ngày tải lên: 17/02/2014, 10:20