... future inhibitors designed for this NF-jB signaling pathway should be tested not just in < /b> vitro < /b> and cell based but also simulated in < /b> silico Combining this method of analysis (in < /b> vitro,< /b> cell-based ... degradation by IKK2 in < /b> vitro < /b> (Fig 3A ,B) ; this was also as established by Kishore et al [38] Having shown SC-514 to inhibit IjBa phosphorylation, thus demonstrating an inhibition of IKK2 activity in < /b> vitro,< /b> ... Screening (Cellomics Inc., Pittsburg, PA, USA); DMEM (Gibco, Invitrogen); 200 mm l-glutamine; fetal bovine serum (Gibco Invitrogen, Virkon, Pzer internal stores) IL-1a (R & D Systems, Minneapolis,...
Ngày tải lên: 16/03/2014, 11:20
... of cells in < /b> G0/G1 is symbolised by a bar, G2/M by a white bar and S-phase by a black bar In < /b> the controls 15% of the cells were in < /b> S-phase, 65% in < /b> G0/G1 and 20% in < /b> G2/M In < /b> the following, the S-phase ... NF- B activity by genistein pretreatment could be shown Furthermore, a significant increase in < /b> cleaved PARP protein was measured following combined genistein and radiation treatment, indicating increased ... tyrosinespecific protein kinase J Biol Chem 1987, 262:5592-5595 Huang J, Nasr M, Kim Y, Matthews HR: Genistein inhibits protein histidine kinase J Biol Chem 1992, 267:15511-15515 Bektic J, Guggenberger...
Ngày tải lên: 09/08/2014, 09:22
In vivo and in vitro studies of th17 response to specific immunotherapy in house dust mite induced allergic rhinitis patients
... were stained with intracellular cytokines by using PE-labeled anti-human IL4 mAb, PerCP-labeled anti-human IFNG mAb, APC-labeled anti-human IL10 and FITC-labeled anti-human IL17 mAb for 30 minutes ... the increase of Th2 but decrease of Th1 cells was also determined in < /b> all AR’s PBMCs These results show a concordance between in < /b> vivo and in < /b> vitro < /b> findings, confirming that not only Th2, but also ... Immunotherapy in < /b> Allergic Rhinitis Figure Determination of Th cell subset proportion by determining their specific cytokines IL17 (A), IFNG (B) , IL4 (C), and IL10 (D) by flow cytometry in < /b> PBMCs The...
Ngày tải lên: 23/09/2015, 14:47
In vitro studies on the color stability and masking ability of composite cores and the influence of posts and cores on the shades of all ceramic systems
... machining dental porcelain (CEREC) Cerestore injection-molded core Combined etched enamel/porcelain technique to resin bonded restoration Re-introduced the method of etching porcelain, for resin-bonded ... porcelains a Leucite-reinforced feldspathic porcelain (Optec HSP – Jeneric Inc) b Alumina based porcelain (Hi-Ceram – Vident, Baldwin Park CA) c Magnesia based core porcelain d Zirconia based ... Composipost, C-post b Carbon fiber core surrounded by quartz sheaths - Aesthetipost c Quartz fiber post – Aesthetiplus, Parapost fiber white, Fiberkor d Ribbon fiber material post – Ribbond post e Ceramic...
Ngày tải lên: 09/10/2015, 11:24
Tài liệu Báo cáo khoa học: Proteolysis of Pseudomonas exotoxin A within hepatic endosomes by cathepsins B and D produces fragments displaying in vitro ADP-ribosylating and apoptotic effects doc
... The antibody against KX5KDEL also binds to undefined endosomal proteins distinct from ETA, both in < /b> control and in < /b> toxin-injected rats, whose levels have been shown to be modified by toxin treatment ... generated by cathepsin B and cathepsin D (A) Native ETA (10 lg) was incubated with bovine cathepsin B or cathepsin D (5 UÆmL)1Æmg)1), or a mixture of both, at 37 °C for the indicated times in < /b> 50 ... death (5 postinjection), suggesting a high binding capacity of ETA in < /b> hepatic parenchyma Indeed, injection of the toxin into mice has been shown to result in < /b> an early and profound inhibition of...
Ngày tải lên: 18/02/2014, 04:20
Báo cáo khoa học: Docosahexaenoic acid stabilizes soluble amyloid-b protofibrils and sustains amyloid-b-induced neurotoxicity in vitro ppt
... toxicity, in < /b> agreement with the stabilization of toxic protofibrils observed in < /b> the in < /b> vitro < /b> aggregation studies < /b> Toxicity induced by nonstabilized Ab was reduced, as Ab aggregated into insoluble fibrils, ... protofibrils, and thereby maintaining Ab-induced toxicity in < /b> PC12 cells Results Unsaturated fatty acids stabilize Ab42wt protofibrils Fatty acids were incubated with Ab42wt in < /b> a physiologic buffer ... demonstrating the increased toxicity of soluble aggregates in < /b> comparison to insoluble aggregates In < /b> contrast, the toxicity induced by Ab42Arc incubated with DHA was indistinguishable from that induced...
Ngày tải lên: 07/03/2014, 10:20
Báo cáo khoa học: Insertion of the plant photosystem I subunit G into the thylakoid membrane In vitro and in vivo studies of wild-type and tagged versions of the protein doc
... probed with antibodies directed against PSI-G, PSI-K (intrinsic membrane protein, stromal loop), PSI-O (intrinsic membrane protein, luminal loop) and PSI-D (extrinsic membrane protein, stromal side) ... harvesting chlorophyll a ⁄ b binding apoprotein, Lhcb1 [18] Interestingly, fusion of a His-tag to the C-terminus, which must cross the thylakoid membrane during insertion, did not prevent Lhcb1 adopting ... analysed by immunoblotting, using antibodies against PSI-G and PSI-F (Fig 6A) That PSI-G contained the appropriate tag was confirmed by probing gel blots with an antihexa-His antibody or StrepTactin-HRP...
Ngày tải lên: 07/03/2014, 21:20
Báo cáo khoa học: Concerted mutation of Phe residues belonging to the b-dystroglycan ectodomain strongly inhibits the interaction with a-dystroglycan in vitro pot
... nonlinear detection in < /b> ELISA resulting in < /b> up to 1000-fold too high affinities of fibrinogen binding to integrin alpha IIb beta FEBS Lett 358, 179–181 28 Ying M & Flatmark T (2006) Binding of the viral ... of the b- DG-binding epitope Interestingly, the amino acid substitutions that we analyzed not impair binding to a monoclonal antibody, mAb sx ⁄ ⁄ 50 ⁄ 25, as suggested by the western blot in < /b> Fig ... the affinity between recombinant peptides spanning the C-terminal domain of a-DG and the b- DG ectodomain by solid-phase binding assays and SPR, demonstrating that despite the intrinsic pitfalls...
Ngày tải lên: 16/03/2014, 12:20
Báo cáo khoa học: Kinetic studies and molecular modelling attribute a crucial role in the specificity and stereoselectivity of penicillin acylase to the pair ArgA145-ArgB263 pdf
... contributions from ArgB263 are significantly larger and generally comparable to those of the nucleophile SerB1, GlnB23-PheB24, AlaB69, believed to be the dominant substrate binding fragments of PA In < /b> ... guanidine side chain of ArgA145, thereby turning the scissile amide bond inside the groove towards SerB1 SerB1 is involved in < /b> the hydrogen bond network around ArgB263 and AsnB241 (Fig 1) Hydrogen bonds ... and ArgB263, on the negatively charged COO– in < /b> the aminic part determines the position of the substrate within the S1¢-binding subsite O atoms of the main chain CO groups of LeuB387 and TrpB240,...
Ngày tải lên: 16/03/2014, 16:20
Báo cáo khóa học: Genetic defects in fatty acid b-oxidation and acyl-CoA dehydrogenases Molecular pathogenesis and genotype–phenotype relationships ppt
... should be performed Recently it has been demonstrated that mis-sense sequence variations, in < /b> addition to in< /b> uencing protein biogenesis, also may affect the splicing efficiency by interfering with binding ... it was only after gene cloning and synthesis of proteins by recombinant techniques, that it became possible to resolve the molecular pathogenesis of the increasing number of identified disease associated ... instability are in< /b> uenced by cellular and probably also by genetic factors, thus, resulting in < /b> an effect that is totally unpredictable without experimental approaches, which will be discussed in...
Ngày tải lên: 23/03/2014, 12:20
Báo cáo khoa học: Structural studies of the capsular polysaccharide and lipopolysaccharide O-antigen of Aeromonas salmonicida strain 80204-1 produced under in vitro and in vivo growth conditions docx
... a¢¢-c -b a-c -b – – a¢¢-c -b- a-c -b (a-c -b) 2 a¢ a¢¢ – a¢-c a¢¢-c – a¢-c -b a¢¢-c -b – (a¢-c -b) 2 a¢¢-c -b- a¢-c -b – – methylation and CE-ES-MS analyses obtained on both CPS and LPS CPS and the carboxyl-reduced ... possible that the use of dialysis tubing in < /b> the in < /b> vivo growth chambers provides an environment more closely resembling that seen in < /b> a systemic infection within salmon That environment may be critical ... between H- 1b and H-3a, suggesting a linear structure a-c -b (Fig 2E,F) In < /b> addition, interresidue NOEs between H-1c and H- 4b (Fig 2G) indicated that residue c was linked to residue b This was also...
Ngày tải lên: 23/03/2014, 13:20
Báo cáo khoa học: Benzo[a]pyrene impairs b-adrenergic stimulation of adipose tissue lipolysis and causes weight gain in mice A novel molecular mechanism of toxicity for a common food pollutant doc
... tissue using Rodbell’s method modified as described below [48] The samples were rinsed with Kreb’s Ringer bicarbonate buffer (KRBB) supplemented with 4% (w ⁄ v) bovine serum albumin (BSA) and ... differences in < /b> FFA concentrations between epinephrine and saline incubations (A) (B) Effect of 15 preincubation of human adipocytes with either B[ a]P (j) or saline (h) followed by 45 incubation with ... lb ut a m ol in < /b> e m ut a b ep in < /b> ep hr in < /b> e 0.5 ACTH-induced FFA release (mM/mg prot) C Norepinephrine-induced FFA release (mM/mg prot) B Epinephrine-induced FFA release (mM/mg prot) Epinephrine-induced...
Ngày tải lên: 30/03/2014, 11:20
molecular techniques in the microbial ecology of fermented foods 2008 - cocolin & ercolini
... Strains of E faecium resistant to vancomycin were successfully characterized by automated riboprinting (Brisse, et al 2002) 4.2.2 PCR-based Methods PCR-based DNA fingerprinting methods using arbitrary ... management, and analysis of biological information Bioinformatics combines in < /b> silico biological techniques with the DNA sequencing analysis approach In < /b> silico biology combines statistical and mathematical ... microscopy A balance should be achieved in < /b> obtaining adequate permeability to allow the entry of reagents and the probe, without loss of cell morphology, while retaining the labeled probe within the...
Ngày tải lên: 12/06/2014, 11:36
báo cáo hóa học:" Functional significance of the signal transduction pathways Akt and Erk in ovarian follicles: in vitro and in vivo studies in cattle and sheep" ppt
... pg/ml) in < /b> combination with PD98059 (Erk inhibiEffects Effects of treating bovine theca cells in < /b> vitro < /b> with control medium or LH (160 pg/ml) in < /b> combination with PD98059 (Erk inhibitor) and/or ... and inhibin-A production [23] but this explanation remains to be proved The observed differences in < /b> oestradiol and inhibin-A production in < /b> this present study might not relate directly to inhibition ... where inhibition of the Erk pathway inhibited FSH-induced oestradiol production and inhibition of the Akt pathways inhibited both FSH- and IGF-induced oestradiol production in < /b> granulosa cells in < /b> vitro...
Ngày tải lên: 20/06/2014, 07:20
báo cáo hóa học: " In vitro and in vivo pre-clinical analysis of a F(ab’)2 fragment of panitumumab for molecular imaging and therapy of HER1-positive cancers" pot
... tumor targeting suggests that the 111 In-< /b> labeled panitumumab F(ab’)2 is stable in < /b> vivo This observation is also supported by the imaging studies < /b> related herein This attribute may be due in < /b> part to ... Discussion The in < /b> vivo and in < /b> vitro < /b> properties of the intact panitumumab mAb has been previously described by Ray et al [25] which included imaging by planar g-scintigraphy The potential of imaging EGFR-positive ... plate Following an overnight incubation at 4°C, the solution was removed and 1% bovine serum albumin (BSA) in < /b> phosphate-buffered saline (BSA/ PBS,150 μL) was added to each well for h at ambient temperature...
Ngày tải lên: 21/06/2014, 02:20
Báo cáo hóa học: " Nanostructured Systems Containing Rutin: In Vitro Antioxidant Activity and Photostability Studies" pptx
... sustained phase (biexponential kinetic) a Initial concentration of rutin at the burst phase (biexponential kinetic) b Initial concentration of rutin at the sustained phase (biexponential kinetic) r ... molecule is its poor solubility in < /b> aqueous media, explaining its poor oral or topical bioavailability [19] and being a drawback to its conversion in < /b> adequate dosage forms In < /b> the last decade, an ... by a polymeric wall stabilized by surfactants at the particle/water interface [23] The potential use of nanocapsules includes the protection of drugs against inactivation in < /b> the gastrointestinal...
Ngày tải lên: 21/06/2014, 17:20
Probiotic Lactobacillus Strains: in vitro and in vivo Studies pot
... transit into the gut, and modulate TH1–TH2 balance in < /b> favor of anti-allergic TH1 immune responses In < /b> this study we report a selection of probiotic Lactobacillus strains by in < /b> vitro < /b> tests and subsequent ... described by Salama et al 1991) Sequencing of the PCR products was done using BigDye Terminator Cycle Sequencing (Applied Biosystems, USA) Sequences were read by ABI 377 apparatus (Applied Biosystems) ... through the intestinal barrier to blood and internal organs (CFU of Lactobacillus were found only in < /b> MLN of lactobacilli-treated mice) The translocation of bacteria to MLN was described in < /b> mice given...
Ngày tải lên: 07/07/2014, 19:20
Báo cáo vật lý: "Evaluation of In Vitro Antioxidant Activity of 5H-dibenz[b,f]azepine and Its Analogues" ppt
... 10-methoxy-5H-dibenz [b, f]azepine (Compound d) 10-methoxy-5H-dibenz [b, f]azepine was prepared by brominating N-acetyl-5H-dibenz [b, f]azepine (2.35 g, 10 mM) using bromine (3.2 g, 20 mM) in < /b> dichloromethane ... 5H-dibenz [b, f]azepine-5carboxamide (Compound b) 5H-dibenz [b, f]azepine (1.93 g, 10 mM) was refluxed in < /b> the presence of COCl2 with a strong base (NaNH2) for hr to obtain chloro carbonyl dibenz [b, f]azepine ... of 5-chlorocarbonyl-10-11-dihydro-5Hdibenz [b, f]azepine (Compound e) 5-chlorocarbonyl-10-11-dihydro-5H-dibenz [b, f]azepine was obtained by reacting 10,11-dihydro-5H-dibenz [b, f]azepine (1.95 g, 10...
Ngày tải lên: 07/08/2014, 14:20
Báo cáo vật lý: "Volumetric and Thermodynamic Studies of Molecular Interactions in Ternary Liquid Mixtures at 303, 308 and 313K" pptx
... there is no serious harm in < /b> assuming cubic packing and equating b to 3.3 Gibb’s Free Energy (ΔG*) On the basis of Eyring rate process theory, the Gibb’s Free Energy can be computed as −ΔG* = −2.30 ... with increasing temperature The increasing positive values of Gibb’s function suggest the existence of molecular associations between unalike molecules.18–19 The decrease in-< /b> ΔG* with increase in < /b> ... with increasing concentrations of 1alkanols and decreased with increasing temperature As the number of hydrocarbon groups or the chain-length of the alcohol increased, a gradual decrease in < /b> sound...
Ngày tải lên: 07/08/2014, 14:20