the basics of contrast and its role in dating
Báo cáo y học: " Beyond the first 25 years: The International AIDS Society and its role in the global response to AIDS" pps
... also increasingly involved in the development and delivery of a range of education and training programmes designed to help individuals working in HIV advance professionally, from administering the ... activists and others working on the frontlines of the response The IAS encourages all professionals working in the HIV/AIDS field to become members We are convinced that in the struggle against this ... Providing education and training opportunities for its membership is important for any professional society, and the IAS is looking at ways to strategically expand its role in this area in order...
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Tài liệu Báo cáo khoa học: Interaction between very-KIND Ras guanine exchange factor and microtubule-associated protein 2, and its role in dendrite growth – structure and function of the second kinase noncatalytic C-lobe domain docx
... in the KIND2 domain of v-KIND contain the core MAP2 binding module To identify the core MAP2-binding site within the KIND2 domain (amino acids 456–620), we analyzed five EGFP-fused KIND2 domain ... in the central domain of MAP2 contain the v-KIND binding core module MAP2 consists of three main structural domains: the cAMP-dependent protein kinase regulatory subunit RII binding domain, the ... 1B) The results obtained indicate that the KIND2 domain is necessary and sufficient for the targeting of v-KIND to dendrites of neurons To investigate the MAP2-binding characteristics of the KIND...
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Tài liệu Báo cáo khoa học: High affinity copper binding by stefin B (cystatin B) and its role in the inhibition of amyloid fibrillation docx
... partitioning of the protein into an aggregated state The effect of copper binding on the secondary structure was determined using CD in the far UV To prepare proteins without Cu2+, part of each protein ... understanding what causes the loss of appropriate metal binding might be crucial for the understanding of the role of amyloidogenic proteins in a number of neurodegenerative disorders Copper binds ... copper binding could still allow domain swapping to occur It is of interest that a N-terminally truncated prion protein, lacking the copper binding domain is capable of domain swapping and forms...
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Tài liệu Báo cáo khoa học: Inorganic pyrophosphatase in the roundworm Ascaris and its role in the development and molting process of the larval stage parasites doc
... concerning the kinetics and properties of the enzyme More strikingly, we show a novel role of the PPase enzyme in the development and molting process of A suum larvae in vitro constructed in UniZap ... immunohistochemical staining), and that the inhibition of PPasecatalyzed PPi hydrolysis by these inhibitors, is likely to prevent the synthesis of the new cuticle from the hypodermis and/ or ecdysis of the old ... presence of increasing concentrations of inhibitors for 10 days, and the number of molting larvae was determined Molting was manifested by shedding of the L3 cuticle Results Identification of cDNA...
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Báo cáo khoa học: Molecular and functional characterization of a novel splice variant of ANKHD1 that lacks the KH domain and its role in cell survival and apoptosis docx
... VBARP and Vpr is specific The input panel represents the amount of protein used in this assay indicating that an equal amount of protein was used in all our samples and that the lack of interaction ... transmembrane domains in VBARP Also, the use of unsynchronized cells in these analyses further confirmed that the cytoplasmic distribution of VBARP is independent of the cycling stage of the cells Identification ... modification and domain distribution of VBARP-L translated amino acid sequences The grayshade regions in the amino acid sequence of VBARP-L protein represent the presence of ankyrin (ANK) repeats, amino...
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Báo cáo khoa học: Characterization of Trypanosoma brucei PEX14 and its role in the import of glycosomal matrix proteins pptx
... mislocalization of all three enzymes in these cells clearly shows the involvement of PEX14 in the targeting of PTS-1, PTS-2 and I-PTS proteins to the glycosome To further analyse the effect of the destruction ... with a binding constant Kd of 2.75 lM, and that the amino-terminal domains of the two peroxins were responsible for this interaction The role of TbPEX14 in glycosome biogenesis received further ... N-terminal domain of the polypeptide of each of these organisms is followed by a stretch of hydrophobic amino acids that is presumably involved in the protein’s anchoring to the membrane Also in...
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Distribution of betaine gaba transporter BGT 1 in excitotoxic brain injury and its role in osmoregulation in the brain
... function in the brain BGT-1 is capable of transporting both betaine and GABA, as examined in Xenopus oocytes and various cell lines But the physiological substrate of BGT-1 in the brain remains to ... The biosynthesis of taurine is primarily from cysteine derived in part from methionine via the cysteine sulfinate pathway, which includes oxidation of cysteine to cysteine sulfinate by cysteine ... addressed the question of what is the normal distribution and subcellular location of BGT-1 in the brain The use of a specific antibody to BGT-1 detected the presence of BGT-1 in the cell bodies and...
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Distribution of secretory phopholipase group XIIA in the CNS and its role in lipid metabolism and cognition
... expression of PLA2 isoforms, or their physiological roles in specific regions of the brain and CNS The present study was carried out in view of the importance of the importance of PLA2 and its products ... Expression Profile of various PLA2 isoforms in the CNS CHAPTER EXPRESSION PROFILE OF VARIOUS PLA2 ISOFORMS IN THE CNS 29 Chapter Expression Profile of various PLA2 isoforms in the CNS 2.1.1 Introduction ... hippocampus including CA1-3 fields, dentate gyrus and brainstem (Shirai and Ito, 2004) The significance of PLA2 in maintaining membrane lipid homeostasis of the brain is evident in all these studies...
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Tài liệu Báo cáo khoa học: Modulation of a-synuclein aggregation by dopamine in the presence of MPTP and its metabolite pptx
... solid line), in the presence of 100 lM neurotoxin ( , dotted line), in the presence of 200 lM neurotoxin ( , dotted line) and in the presence of neurotoxin and 50 lM dopamine (h, dashed line) • 1692 ... (C), in the presence of 100 lM MPP+ (D), in the presence of 200 lM MPP+ (E), in the presence of 100 lM MPTP and 50 lM dopamine (F), in the presence of 200 lM MPTP and 50 lM dopamine (G), in the ... shows the kinetics of aggregation of a-synuclein in the presence of 100 lm MPTP and the effect of 50 lm dopamine on the aggregation process Dopamine delayed the lag phase of aggregation marginally...
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Tài liệu Báo cáo khoa học: A novel splice variant of occludin deleted in exon 9 and its role in cell apoptosis and invasion docx
... violet The dots are stained cells on the bottom of the Matrigel-coated inserts The number of invasive cells was determined by counting the number of stained cells and then normalizing it to the ... OccWT-overexpressing cells, and that 2-APB inhibited the effects of OccWT Therefore, the increase in intracellular calcium may explain the induction of apoptosis and reduction of invasiveness mediated ... mechanisms of this regulation On the basis of the above findings, our research provides new insights into the role of exon in the regulation of apoptosis and invasion in liver cell lines FEBS Journal...
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Tài liệu Báo cáo khoa học: Biochemical characterization of human 3-methylglutaconyl-CoA hydratase and its role in leucine metabolism docx
... using 2014 crotonyl-CoA as a substrate [15] The gene encoding this bifunctional protein was named AUH (‘AU binding homolog of enoyl-CoA hydratase’) The RNAbinding activity of the human protein ... factor of 20 over the dehydration reaction (kcat ¼ 0.26) which is consistent with the main role of AUH in leucine catabolism, the hydration of 3-MG-CoA Comparing the turnover numbers of glutaconyl-CoA ... bovine serum albumin and 10 lm 3-MG-CoA or glutaconyl-CoA After incubation at 37 °C for 60 min, the reaction was terminated by the addition of 2.5 lL of m HCl The samples were homogenized, and the...
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Báo cáo y học: " Profile of subjective quality of life and its correlates in a nation-wide sample of high school students in an Arab setting using the WHOQOL-Bref" pot
... satisfied with their circumstances of living, - and their average QOL domain scores would be high, in comparison with the international data - In view of the robust findings in the literature, ... model The domain scores of the WHOQOL-Bref can be computed in three ways The first is a summation of the raw scores of the constituent items The second and third ways consist of transforming the ... friendly have the potential to improve the QOL of students These findings complement the results of our regression analyses The finding about the predictive power of the child’s perception of parental...
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Báo cáo y học: " T4 genes in the marine ecosystem: studies of the T4-like cyanophages and their role in marine ecology" doc
... they are homologues of host genes The most obvious of these is the collection of genes that are involved in altering or maintaining photosynthetic function of the host The most well studied and ... enzyme in the synthesis of the polyamines spermidine and spermine With polyamines implicated in the stabilising the psbA mRNA in the cyanobacterium Synechocystis [64], altering structure of PSII ... using bioinformatic approaches, they are compared to T4 and their function is deduced on the basis of known genes in the T4 genome In order to really progress with understanding the role of the...
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Báo cáo y học: "Downregulation of protein disulfide isomerase in sepsis and its role in tumor necrosis factor-alpha release" pps
... and the silastic catheter was inserted into the abdominal cavity for the continuous infusion of LPS at a rate of μL/hour for 20 hours (total dose: μg/kg BW) Following the closure of the incision, ... shown that the enzyme is involved in the control of thyroglobulin folding and multimerization, probably by reducing the intermolecular disulfide bridges and thus limiting the extent of multimer ... molecular chaperones in the folding of oxidized proteins Refolding of colloidal thyroglobulin by protein disulfide isomerase and immunoglobulin heavy chain-binding protein J Biol Chem 2001, 276:21337-21342...
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MECHANISM OF TISSUE TRANSGLUTAMINASE UPREGULATION AND ITS ROLE IN OVARIAN CANCER METASTASIS
... cleavage of LTBP at its protease sensitive hinge region, which is between the N-terminal ECM binding domain and the C-terminal LAP binding domain This can be achieved by many proteinases in the serine ... Val479 and Tyr583 are involved both in GDP and ATP binding to TG2 The residue Arg580, which is important for GTP/GDP binding, is not involved in ATP binding (Han et al 2010) By purifying the insulin-like ... be involved in integrin-dependent signal transduction, including in the focal adhesion kinase (FAK) and GTP-binding proteins Raf-1 and Rho regulated signaling pathways (Hang et al 2005) These interactions...
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REGULATION OF CHOP TRANSLATION IN RESPONSE TO eIF2 PHOSPHORYLATION AND ITS ROLE IN CELL FATE
... heme-binding regions in HRI: an N-terminal domain of HRI and in an insert region in the protein kinase domain of HRI (63) Heme, in the presence of iron, binds to α and β globin chains in ratio of ... HRI then phosphorylates eIF2 and inhibits protein synthesis Therefore, globin protein synthesis is reduced during heme deprivation and the balance between the levels of globin protein are retained ... bold and a flanking purine at the -3 and a G at the +4 positions (15) Together the eIF1 and eIF1A facilitate the recognition and selection of initiating codons eIF1 plays a key role in the fidelity...
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Characterization of helicobacter pylori y glutamyl transpeptidase and its role in pathogenesis
... translated amino acid sequences of GGT proteins in different H pylori strains possessing different level of GGT activities Determining the subcellular localization of GGT in H pylori Examining the pathway ... of ammonia and indirectly by urease-induced stimulation of the inflammatory response, including recruitment of leukocytes and triggering of the oxidative burst in neutrophils Survey of Literature ... encoded in the cag pathogenicity island Following the transfer, the tyrosine residues of the CagA are phosphorylated by the host cell Src-like protein tyrosine kinase This leads to the regulation of...
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Characterization of rab22b, an astroglia enriched rab GTPase, and its role in golgi and post golgi membrane traffic
... by the GTPase activating proteins In the cytosol, the GDP dissociation inhibitor binds to the GDP-bound Rab and inhibits the exchange of GDP for GTP, which would reactivate the Rab protein Bioinformatical ... g/mL of poly-L-lysine, were placed in the same plate For the first 24 hours, the neurons were maintained in plating medium Thereafter, for the next 7-9 days, the neurons were maintained in Neurobasal ... important role in myelin formation and maintenance in oligodendrocytes 26 Aims and rationale of current work 1.3 Aims and rationale of current work One of the main research focuses of the lab is...
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A novel membrane pool of protein kinase c and its role in mammalian cell signaling
... According to the type of amino acid phosphorylated, the protein kinases can be divided into two subgroups: protein serine/threonine kinases and protein tyrosine kinases Serine/threonine protein kinases ... domain is missing from the Ca2+-independent PKCs (nPKCs and aPKCs), but the V0 domain of nPKCs and aPKCs and the HR2 domain of the PRKs are related to the C2 domain through the investigation of the ... comparison of the protein architecture of the various subgroups of the PKC superfamily The C1 domain of the aPKCs is smaller than that of the cPKCs and nPKCs as it contains only one copy of the zinc-finger...
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Detection, formation and reactivity of tetravalent lead corrosion product (pbo2) and its role in water quality in drinking water distribution system
... chlorine to monochlorine has been shown to alter the stability of PbO2 and trigger high levels of lead released into drinking water Lin and Valentine [21] investigated the reduction of PbO2 in the ... lead into drinking water Since PbO2 plays a critical role in regulating lead contamination in drinking water, a precise and fast method for its detection is required to determine its abundance in ... solids, and (3) explore the stability of PbO2 in chloraminated water in the presence of Br- to advance our understanding of the role of PbO2 in lead release in drinking water Firstly, a modified iodometric...
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