discovery of the rsv inhibitor tmc353121
Báo cáo khoa học: Discovery of GSK837149A, an inhibitor of human fatty acid synthase targeting the b-ketoacyl reductase reaction pot
Ngày tải lên :
16/03/2014, 06:20
... prevents the immediate therapeutic application of this chemical family, the relevance of the inhibitors is still noticeable because of their high-afnity binding to the enzyme and the novelty of their ... propose the structure shown in the lower part of Fig as the one corresponding to the compound inhibiting FAS Conrmation of the activity On the basis of these analytical studies, 70 mg of the compound ... well as in affording the synthesis of the molecule All of the 222 analogs selected failed to inhibit FAS when they were tested at 100 lm in the assay Furthermore, the newly synthesized molecule...
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Minding the heavens the story of our discovery of the milky way
Ngày tải lên :
19/01/2014, 13:40
... the unaided eye The story of our discovery of the Milky Way and other galaxies is in many ways the chronicle of the popularity, demise, and renewal of the theory of island universes None of the ... underneath you on the other side of the Earth The apparent daily movement of the sky is, of course, due to the rotation of the Earth, not the sky, and we know that the stars are not all at the same distance, ... but these disputes referred to the nature of the diffuse light of the Milky Way, not to the structure of the system of stars Early astronomers pictured the stars distributed on the surface of...
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Tài liệu THE DISCOVERY OF THE SOURCE OF THE NILE docx
Ngày tải lên :
15/02/2014, 09:20
... the ascertaining, by boiling a thermometer, of the altitude of the station above the sea-level; of the latitude of the station by the meridian altitude of the star taken with a sextant; and of ... arrived at concerning the Mountains of the Moon being associated with the country of the Moon, I would fain draw the attention of the reader of my travels to the volume of the "Asiatic Researches" ... establishments of the Arab merchants residing there The payment of these men's wages for the first year, as well as the terms of the agreement made with them, by the kind consent of Colonel Rigby...
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The Discovery of the Source of the Nile docx
Ngày tải lên :
08/03/2014, 18:20
... the ascertaining, by boiling a thermometer, of the altitude of the station above the sea-level; of the latitude of the station by the meridian altitude of the star taken with a sextant; and of ... arrived at concerning the Mountains of the Moon being associated with the country of the Moon, I would fain draw the attention of the reader of my travels to the volume of the "Asiatic Researches" ... pronunciation of native words refers to the u, which represents a sound corresponding to that of the oo in woo Journal of the Discovery of The Source of the Nile Chapter London to Zanzibar, 1859 The design...
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Báo cáo khoa học: Crystal structure of the parasite inhibitor chagasin in complex with papain allows identification of structural requirements for broad reactivity and specificity determinants for target proteases pptx
Ngày tải lên :
16/03/2014, 04:20
... enzymatic part, and (b) the variability of the angle of approach of the inhibitor relative to the catalytic cleft of the enzyme The latter factor may reflect not so much the geometry of the catalytic site ... out of the catalytic cleft The angle of approach, calculated in the way described above, has the lowest value for the tetragonal form of the chagasin–cathepsin B complex and the highest for the ... chagasin–cathepsin L complex (Table 3) The difference of 9° between these complexes may be correlated with the variation of the rate of binding and affinity for chagasin of these enzymes On the other...
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Báo cáo y học: "Balance between survivin, a key member of the apoptosis inhibitor family, and its specific antibodies determines erosivity in rheumatoid arthritis" ppt
Ngày tải lên :
09/08/2014, 06:22
... preparation of the manuscript SL performed some of the cell experiments DB performed ELISA assays, bioassays, and some of the transfection experiments AT contributed to the conception of the study and the ... For the simultaneous comparison of the survivin levels in more than two groups the equality of variance F test was employed The inter-relation between the survivin levels and duration of the ... of survivin, departing from the level of survivin that corresponded to a mean + three standard deviations of the control group as a cut-off The difference in the mean survivin level between the...
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Báo cáo y học: "Neutrophil elastase reduces secretion of secretory leukoproteinase inhibitor (SLPI) by lung epithelial cells: role of charge of the proteinase-inhibitor complex" potx
Ngày tải lên :
12/08/2014, 15:21
... addition of inhibitor to NE affects concentration of SLPI Timing of the addition of inhibitor to NE affects concentration of SLPI The diagram shows the concentration of SLPI in the media of wells ... been shown to abrogate the fall in SLPI protein[27] If binding of NE to SLPI is important in the mechanism of the fall in SLPI protein, then the timing of the addition of the inhibitor will be equally ... preparation of the ELISA, and that this loss of SLPI was not enhanced in the presence of NE solely by increased binding to plastic rather than to cell membranes Proof of the concept of binding of SLPI...
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Báo cáo y học: "The discovery of the first human retrovirus: HTLV-1 and HTLV-2" doc
Ngày tải lên :
13/08/2014, 09:21
... demonstrate specific antibodies to the virus in the serum of the patient; (5) demonstrate that proviral DNA could be found integrated in the DNA of the cells from which the virus was isolated; (6) provide ... recounts the events surrounding the discovery of the disease, adult T-cell leukemia [41] 18 Acknowledgements 20 I would like to thank the past and present members of my laboratory, without whom the ... [20] IL-2 was among the first welldefined cytokines The combination of IL-2 growth of T cells with sensitive RT assays would be (and still is) the key to the discoveries of human retroviruses...
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Tài liệu Ghost Wave - The Discovery of Cortes Bank and the Biggest Wave on Earth pptx
Ngày tải lên :
17/02/2014, 05:20
... sleep The plan was to motor the twenty-nine-foot Black Watch for twenty miles out and around the southern end of Catalina Island They would then cross another thirty-two miles of ocean to the southern ... out of Newport Harbor in Newport Beach, just south of Los Angeles Clearing the lights at the end of the harbor’s long rock jetty, the skipper gave the boat’s twin Yanmars their first big huff of ... breakfast into the deep blue sea The buoys stayed anchored, offering the surfers a point of reference and a measure of relief When the next set of four or five waves broke, they showed that the surf...
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Tài liệu Báo cáo khoa học: Compartmentalization and in vivo insulin-induced translocation of the insulin-signaling inhibitor Grb14 in rat liver pptx
Ngày tải lên :
18/02/2014, 18:20
... [6] and inhibits the tyrosine kinase activity of the IR [7] On the basis of the crystal structure of the tyrosine kinase domain of the IR in complex with the PIR ⁄ BPS domain of Grb14, Depetris ... interaction of Grb14 with the IR is probably the major determinant of the insulin-induced membrane translocation of Grb14, several lines of evidence suggest that the association of Grb14 via ... activity of the IRs before KCl treatment represents residual activity of receptors with Grb14 bound to them, the activity of a fraction of receptors lacking bound Grb14, or a combination of both The...
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Tài liệu Báo cáo khoa học: N-terminal extension of the yeast IA3 aspartic proteinase inhibitor relaxes the strict intrinsic selectivity ppt
Ngày tải lên :
19/02/2014, 00:20
... Inspection of the PpPr model identified a patch of negatively ionisable amino acids on the surface of the enzyme, adjacent to the end of the active site cleft where the N-terminal residues of an inhibitory ... achieved by location of the full-length extension at the N-terminal end of the polypeptide The benefit of these alterations at each extremity of the polypeptide chain, must of necessity arise from ... at the N-terminus of these polypeptides, the potential capture by the residues of the largely negatively charged surface adjacent to the edge of the active site cleft (Fig 3A) may increase the...
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Tài liệu Báo cáo khoa học: Biochemical characterization and inhibitor discovery of shikimate dehydrogenase from Helicobacter pylori docx
Ngày tải lên :
19/02/2014, 05:20
... either in the presence of NADP or NAD In comparison with the kinetic parameters of SDH enzymes from the other bacteria shown in Table [23,26,27], the Km values of HpSDH are similar to those of ... A fulgidus SDH (AfSDH), but the kcat value of HpSDH is the lowest, thus the catalytic efficiency of HpSDH is lower than those of other SDHs Notably, the kcat value of M tuberculosis SDH (MtSDH) ... calculated from the slope and intercept values of the linear fit in a Lineweaver–Burk plot To test the enzymatic activity of HpSDH in the presence of quinate, the assay solution consisted of 100 mm...
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Tài liệu Báo cáo khoa học: Specific membrane binding of the carboxypeptidase Y inhibitor IC, a phosphatidylethanolamine-binding protein family member doc
Ngày tải lên :
19/02/2014, 05:20
... available regarding the phospholipid and membrane binding of the other members of the PEBP family Consequently, the binding characteristics of PEBP proteins, including those of the binding of IC to phospholipid ... fluorescence of IC–GFP was observed at the FM4-64stained vacuolar membranes and also the vacuolar 5378 lumens in the majority of yeast cells (70% of the cells grown at 72 h; right panels of Fig 3A,B) Therefore, ... interacts with the yeast Ras GTPase-activating protein, Ira2p [11] The amino acid sequence of IC shows similarity to sequences of, not other known protease inhibitors, but rather members of the phosphatidylethanolamine-binding...
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Tài liệu Báo cáo khoa học: The undecided serpin The ins and outs of plasminogen activator inhibitor type 2 pdf
Ngày tải lên :
20/02/2014, 02:21
... Stasinopoulos welcomed on the presence or absence of PAI-2 in the mouse placenta The role of PAI-2 in the skin PAI-2 expression within the skin is restricted to the upper layers of the dermis PAI-2 has ... [18] One argument in the interpretation of the significance of PAI-2 during apoptosis concerns the level of enforced expression of PAI-2 in the model systems used In most of these in vitro studies, ... overexpression of BCL-2 [61] This in turn inhibits the apoptotic process of the lymphoma The relevance of this to PAI-2 stemmed from the fact that the PAI-2 gene is located less than 300 mbp from the BCL-2...
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Tài liệu Báo cáo khoa học: Mapping of the epitope of a monoclonal antibody protecting plasminogen activator inhibitor-1 against inactivating agents pptx
Ngày tải lên :
20/02/2014, 11:20
... measurement of the increase in absorbance at 405 nm The specific inhibitory activity of PAI-1 was calculated from the amount of PAI-1 that had to be added to inhibit 50% of the uPA The halflives of the ... of XR5118 on the specific inhibitory activities of wt PAI-1 and PAI-1 variants in the absence and the presence of Mab-1 The specific inhibitory activities of PAI-1 in the absence and presence of ... Localization of the amino acids in the epitope for Mab-1 The structure shown is a ribbon representation of the coordinates of Stout et al [40] The side chains of the amino acids in the epitope...
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Tài liệu Báo cáo khoa học: Mutational analysis of plasminogen activator inhibitor-1 Interactions of a-helix F and its neighbouring structural elements regulates the activity and the rate of latency transition pdf
Ngày tải lên :
20/02/2014, 11:20
... of PAI-1 at the various timepoints, i.e the fraction of the total amount of PAI-1 forming a stable complex with uPA, was calculated from the amount of PAI-1 required to inhibit half the uPA The ... mimicking the effect of the K325A substitution (Fig 5) Of note is that the side chain of E285 forms a hydrogen bond to the backbone of the hF/s3A-loop in PAI-1stab [18] (Fig 5) and in contrast with the ... effects on the rate of latency transition (Table 2) Therefore, besides the M at position 149, deviations from the serpin consensus in the hF/s3Aloop of PAI-1 does not contribute to the rate of latency...
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Tài liệu The Discovery of Guiana pot
Ngày tải lên :
21/02/2014, 21:20
... side of the main mouth of Orenoque are the Arwacas; and beyond them, the The Discovery of Guiana, by Sir Walter Raleigh 36 Cannibals; and to the south of them, the Amazons To make mention of the ... attain to the knowledge thereof, and yet they taught me the best way of healing as well thereof as of all other poisons Some of the Spaniards have been cured in ordinary wounds of the common ... that they might sack the Epuremei, and I asked them, of what? They answered, Of their women for us, and their gold for you For the hope of those many of women they more desire the war than either...
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Tài liệu Báo cáo Y học: Importance of the amino-acid composition of the shutter region of plasminogen activator inhibitor-1 for its transitions to latent and substrate forms pdf
Ngày tải lên :
22/02/2014, 07:20
... 74% of the cases; residue 186 an Asn in 87% of the cases; and residue 334 a His in 80% of the cases [3] In addition, residue 54 is a Pro in 89% of the cases The importance of the identity of the ... we reach the conclusion that the substitutions in the shutter region affect the rate of latency transition by affecting the rate of passage of the RCL through the gate region Based on the aminoacid ... wild-type, and the use of this pH therefore allowed optimization of the difference in the effect of vitronectin on wild-type and the unstable variants The presence of vitronectin during the incubations...
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Báo cáo khoa học: A novel 2D-based approach to the discovery of candidate substrates for the metalloendopeptidase meprin pot
Ngày tải lên :
07/03/2014, 06:20
... level match-sets are the reference gels of the respective quadrants from the 2D gel sections of each condition and the four higher-level match-sets are the reference gels of the two different conditions ... [18] For example, the major role of the MMP family is the control of cellular responses critical to homeostatic regulation of the extracellular environment and the immune response [19,20] We decided ... gels of the same condition and thereafter to reference gels common to both conditions The stepwise annotation of protein spots to two independent levels of reference gels allowed for detection of...
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Báo cáo khoa học: Purification and structural study of the b form of human cAMP-dependent protein kinase inhibitor pdf
Ngày tải lên :
07/03/2014, 15:20
... regulation of the PKI and PKI isoforms of the inhibitor protein of the cAMP-dependent protein kinase J Biol Chem 272, 20011–20020 Byler, D.M & Susi, H (1986) Examination of the secondary structure of ... for further study The concentration of the proteins was determined by the method of Lowry et al [14] and the purity was examined by SDS/PAGE [15] Assay of human PKIb activity The activity of purified ... 2) The assay of its activity demonstrated that the purified PKIb inhibited the catalytic subunit of cAPK with the specific activity of 6.0 · 104 unitÆmg)1 (Fig 3A) .The Ki value determined from the...
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