3binding specificity and biological characterization of gpergper ligands
CHEMICAL AND BIOLOGICAL CHARACTERIZATION OF TRACE AMOUNT OF SEX HORMONE RECEPTOR ACTIVE COMPOUNDS IN PROSTATE CANCER RELATED BIOLOGICAL SAMPLES
... Development and Validation for Simultaneous Detection and Quantitation of A4, T and DHT 40-41 2.1.1 Materials 2.1.2 Experimental 2.1.2.1 Preparation and Extraction of Calibration Standards and Quality ... Development and Validation Simultaneous Detection and Quantitation of E1 and E2 for 77-78 3.1.1 Materials 3.1.2 Experimental 3.1.2.1 Preparation and Extraction of Calibration Standards and Quality ... Jia, Mr Shanker and the rest of the lab members who have helped and given me lots of moral support during the course of this project Most importantly, to my grandma, parents and siblings, for...
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CHEMICAL AND BIOLOGICAL CHARACTERIZATION OF LIGUSTICUM WALLICHII EXTRACT IN 3t3 l1 AND HEP g2 CELL LINES
... activation of caspase and 3, an increase in cytosolic cytochrome c release and down-regulation of Bcl-2 and Akt phosphorylation [18] Moreover, the cell cycle promoting proteins, cyclins D1, D2, E, A and ... cells (macrophages and leukocytes), lymph nodes, endothelial and smooth muscle cells, nerve fibers and a matrix of collagen and reticular fibers [76-78] Two different types of adipose tissue, ... ingredients consisted of 77-78% of the total components determined in CPE and IPE samples 28 Table 2.3 Comparison of the recovery of individual compounds in crude phthalides extracts and isolated phthalides...
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Tài liệu Báo cáo khoa học: Physicochemical characterization and biological activity of a glycoglycerolipid from Mycoplasma fermentans ppt
... of unlabeled molecules into the double-labeled liposomes leads to probe dilution and with that to a decrease in the efficiency of FRET: the emission intensity of the donor increases and that of ... respectively [23,30], and the bands at Fig Infrared spectrum in the spectral range 1800–900 cm)1 (A) and – in the range of the negatively charged phosphate band mas (PO2 ) 1300– )1 1190 cm (B) of hydrated ... water-binding capacity of lecithin headgroups [30] Finally, MfGl-II exhibits a main band at 1245 cm)1 and further weak bands at 1220 and 1260 cm)1 Thus, the phosphate groups of this glycolipid are...
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Báo cáo y học: " Transactivation and signaling functions of Tat are not correlated: biological and immunological characterization of HIV-1 subtype-C Tat protein" docx
... < 0.0001 and experimental evidence suggests that only the monomeric form of Tat is biologically active [31] In view of the importance of storage and handling of Tat for preserving its biological ... macrophages and cells of other lineages and cause cell maturation, upregulation of costimulatory molecules, and release of several potent cytokines, prostaglandins, interleukins and platelet ... MALDI-TOF spectrum of the purified Tat protein Purified and lyophilized Tat protein was reconstituted in sterile distilled water and subjected to MALDI-TOF analysis (C) CD spectra of B-Tat and C-Tat...
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Structural and functional characterization of TRX16, a thioredoxinlike protein and altering substrate specificity of a serine protease inhibitor
... structure, as structure and function go hand in hand Decades of effort using X-ray crystallography and NMR have produced thousands of protein and complex with binding partner structures and these structures ... STRUCTURAL AND FUNCTIONAL CHARACTERIZATION OF TRX16, A THIOREDOXIN-LIKE PROTEIN AND ALTERING SUBSTRATE SPECIFICITY OF SPI1, A PROTEASE INHIBITOR PANKAJ KUMAR GIRI A THESIS SUBMITTED FOR THE DEGREE OF ... the expression and purification of human thioredoxin like protein-6 (TXNL-6), a homolog of Cr-TRP16 and protects retinal cells from apoptosis under stress and characterization of its interaction...
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Discovery of botanical flavonoids as dual peroxisome proliforator, activated receptor (PPAR) ligands and functional characterization of a natural PPAR polymorphism that enhances interaction with nuclear compressor
... 20 1.3 Ligands of PPAR 21 1.3.1 PPARα ligands 22 1.3.2 PPARγ ligands 24 1.3.2 Dual PPARα/PPARγ ligands 25 1.4 Molecular mechanisms of PPAR activity ... respond to ligands specific for either subunit In contrast, the permissivity of PPAR/RXR to either of their ligands was not affected by mutation of RXR AF-2 This indicates that binding of ligands to ... Characterization of flavonoids on PPARα and PPARγ activity 103 3.3 Characterization of flavonoids and PPARα ligands on a natural PPARα V227A variant 124 3.4 Mechanism(s) elucidation of attenuated...
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Tài liệu Báo cáo khoa học: Isolation and molecular characterization of a novel D-hydantoinase from Jannaschia sp. CCS1 docx
... positions of the Ca of Ala156 in HYDJs and the Ca of Met156 in HYDBp located in the SGL3, which leads to the increased size of the substrate binding pocket of HYDJs The side chain of Ala156 is ... performed using T-COFFEE [44] Docking simulation of substrate on the active site of HYDJs The substrate binding pockets of HYDJs and the mode of interaction between substrate and enzyme were analyzed ... activity of HYDJs against the tested substrates (Table 3) B Fig Homology model of HYDJs (A) Docking of D-p-HPH to the HYDJs active site (B) The SGLs of HYDBp are shown as magenta lines and those of...
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Tài liệu Báo cáo khoa học: Purification and structural characterization of a D-amino acid-containing conopeptide, conomarphin, from Conus marmoreus docx
... of Glu, glycosylation of Ser or Thr, bromination of Trp, sulfation of Tyr, cyclization of N-terminal Gln, and epimerization of several different residues It is quite rare for such a variety of ... structure of conomarphin was similar to those of other conotoxin cDNAs The cDNA-encoded precursor of conomarphin consisted of a conserved M-superfamily signal peptide of 25 residues, a proregion of ... bonds for Asn11(CO)–Trp14(HN) and Ser12(CO)– Thr15(HN), and confirmed by the slow solvent exchange kinetics of the amide protons of Trp14 and Thr15 The observation of two small 3JHN-Ha coupling...
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Tài liệu Báo cáo khoa học: Molecular modeling and functional characterization of the monomeric primase–polymerase domain from the Sulfolobus solfataricus plasmid pIT3 doc
... plausibly involved in DNA recognition and binding and is positioned left of the active site [14] Rep245 is both capable of de novo synthesis of DNA primers and of elongating them Long DNA extension ... concentration of Rep245 prepared in 10 mm sodium phosphate (pH 7.4) was lm CD spectra were recorded at 60, 70 and 80 °C between 190 and 260 nm with a step increase of 0.2 nm, and a bandwidth of nm Thermal ... side-chains of the first pair of residues, i.e K135 and R148, matched almost exactly; those of the second pair were in close proximity The R148 residue of the Pfu-primase is part of a motif which...
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Tài liệu Báo cáo khoa học: Tissue expression and biochemical characterization of human 2-amino 3-carboxymuconate 6-semialdehyde decarboxylase, a key enzyme in tryptophan catabolism pptx
... electrophoresis of the PCR product indicated the presence of two distinct bands between 1000 and 1100 bp of roughly the same extent (not shown) Cloning and nucleotide sequencing of these two products ... the mean of three independent experiments and are presented as copies of the target variant per 109 copies of 18S RNA Quantitation of ACMSD variants in liver, kidney and brain An isoform-specific ... the software swiss-pdbviewer and visual molecular dynamics [49] Acknowledgements We thank G Magni and S Ruggieri for helpful comments and suggestions and T Begley (Department of Chemistry and...
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Tài liệu Báo cáo khoa học: Structural and biochemical characterization of a human adenovirus 2/12 penton base chimera pptx
... is formed by an insertion of $ 230 residues (residues 133–367) between strands D and E and a smaller insertion of $ 50 residues (residues 404–458) between strands F and G The hypervariable loop, ... strength of the solvent environment and ⁄ or presence of small organic compounds (dioxane and MPD) seems to favor formation of dodecahedra over isolated pentamers Previous structural analysis of the ... domain formed by two b-sheets and a distal domain formed by insertions between the strands of the jellyroll domain (Fig 3) Antiparallel b-sheets made up of strands CHEF and BIDG pack against each...
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Tài liệu Báo cáo khoa học: Design, structure and biological activity of b-turn peptides of CD2 protein for inhibition of T-cell adhesion ppt
... bonds between NH of Thr5 and CO of Arg2, as well as NH of Arg2 and CO of Thr5 Structure of cyclic hexapeptides – cYT peptide The NMR data of the cYT peptide were indicative of its flexible nature ... intensity of ROE cross-peaks, and were assigned as strong, medium and weak ˚ represent the family Based on ROE violation > 0.2 A and allowed values of /, w in the Ramachandran map, only one family of ... percentage inhibition of peptide-treated cells and expressed as the mean of three independent experiments activity of 40% at 100 lM concentration Both linear and cyclic ER peptides (lER and cER) showed...
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Tài liệu Báo cáo khoa học: The structure and biological characteristics of the Spirochaeta aurantia outer membrane glycolipid LGLB pdf
... Fragments of HSQC and HMBC spectra of compound Labels illustrate assignment of the amide linkage between the amino group of Asp and the carboxyl group of GalA residue E Scheme The structures of oligosaccharides ... Amide linkage between C-6 of residue E and an amino group of the aspartic acid was identified on the basis of the HMBC correlation between H-2 of aspartic acid and C-6 of the GalA E, thus showing ... role of this molecule in pathogenesis and vaccine development Characterization of any biological activity of spirochete glycolipids is important for similar reasons, especially in the case of B...
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Tài liệu Báo cáo khoa học: Bioinformatic and enzymatic characterization of the MAPEG superfamily doc
... 1688–1703 ª 2005 FEBS Characterization of MAPEG members 1691 Characterization of MAPEG members A Bresell et al Table Comparison of glutathione transferase and peroxidase activity of MAPEG members ... capacity of fish xenobiotic metabolism [28] and raises the possibility of arachidonic acid based signalling Zebrafish express both cyclooxygenase (cox)-1 and -2 and the primary prostaglandin end ... DNA and RNA were performed as described previously [57] Isolation and cloning of the SynMGST and E.coliMGST The coding sequence for the SynMGST, corresponding to the complementary strand of the...
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Tài liệu Báo cáo khoa học: Molecular and functional characterization of adenylate kinase 2 gene from Leishmania donovani pdf
... describes the cloning and functional characterization of an AK gene from a genomic library of L donovani as well as its expression and molecular characterization Materials and methods Materials ... presence of several concentrations of ATP (A) or AMP (B) and different concentrations of the inhibitor Each point is the mean of three separate trials Inhibition of AK by the specific inhibitor Ap5A and ... mM) and AMP (range 0.010–1.5 mM) Protein content was estimated by using the method of Bradford [25] For analysis of enzyme kinetics AK assay was done at varying concentrations of ATP and AMP and...
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Tài liệu Báo cáo khoa học: Biochemical and molecular characterization of hazelnut (Corylus avellana) seed lipoxygenases pdf
... reaction products of the hazelnut LOX were compared with the reaction products of soybean LOX type I and authentic standards of 9- and 13-HODE As shown in Fig 4, 9-HODE is the main product of the hazelnut ... part of the world production adsorbed by the pastry industry Hazelnut seeds contain reasonable levels of linoleic and linolenic acid (about 10 and 0.2%, respectively, of the total fatty acids) and ... C6 and C9 aldehydes (and the corresponding alcohol) were detected in all the samples and, similarly to the pattern of LOX expression and activity, their levels were higher in stage I seed and...
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Tài liệu Báo cáo Y học: Structural and biochemical characterization of neuronal calretinin domain I– II (residues 1– 100) Comparison to homologous calbindin D28k domain I–II (residues 1 –93) pdf
... states of CR I –II and Calb I–II are an indication of different organizations of EF-hands within full-length CR and Calb CR I– II and Calb I– II may have different structures CR I – II and Calb ... min) in the presence of calcium MALDI-TOF and N-terminal amino acid sequencing confirmed that the upper band is CR(1–60) and the lower band is CR(61–100) Preferential cleavage of CR I–II at K60 is ... loops of EF-hand proteins, have chemical shifts 10 p.p.m for filled loops and chemical shifts of < p.p.m for empty loops [50] The chemical shifts of CR I–II, Calb I– II and Fig ‘Glycine 6’ of the...
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Báo cáo khoa học: Kinetic and mechanistic characterization of Mycobacterium tuberculosis glutamyl–tRNA synthetase and determination of its oligomeric structure in solution pptx
... sheets, subjected to TLC and quantication of radiolabelled ADP and AMP The kinetics of [3H]AMP and [3H]ADP formation in the absence of tRNAGlu (black symbols) or of both L-Glu and tRNAGlu (grey symbols) ... GluRS and GluTR, whose spectrum and DLS signal are shown in Fig S11 The migration positions of GluTR and GluRS, were determined by comparison with those of a homogeneous sample of GluRS (S) and of ... sequence and the mass of the fragments, and from the kinetics of the process (Figs S7S9 and Table S5) we concluded that the main sites of proteolytic cleavage are at the C-terminus of the predicted...
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Báo cáo khóa học: Biochemical and molecular characterization of a laccase from the edible straw mushroom, Volvariella volvacea docx
... and 2,6-DMP were pH 5.6 and 3.4 UÆmg protein)1 and pH 4.6 and 2.8 UÆmg protein)1, respectively In standard assay mixtures, the velocity of ABTS oxidation was maximal at 45 °C The dependence of ... serve as Cu2+ ligands (10 His residues and one Cys residue) are present in the lac1 coding sequence (Fig 2) Validation of semiquantitative RT-PCR assay for lac1 and gpd A series of RT-PCR reactions ... concentration ranges of 0.005–1 M, 0.01–1 M and 0.0025–0.025 M, respectively The effect of putative laccase inhibitors was determined in standard assay reaction mixtures following incubation of lac1 with...
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Báo cáo khoa học: Molecular and functional characterization of novel CRFR1 isoforms from the skin pptx
... fully active alpha isoform and other variants, we conducted a series of cotransfection experiments and compared ligand-induced accumulation of cAMP (Fig 3) Although the level of cAMP accumulated ... differential expression of isoforms of CRFR1 to precisely couple selectively activated phenotypic targets, we performed molecular characterization of newly described CRFR1 isoforms First, we tested ... of a band with 53 kDa a Ó FEBS 2004 Characterization of novel CRFR1 isoforms (Eur J Biochem 271) 2825 Fig Levels cAMP accumulation in transiently transfected COS cells with different CRFR1 isoforms...
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