epidemiological studies on antioxidants and cardiovascular disease
Tài liệu Translational Vascular Medicine docx
... Thompson, Peter Holt, Rob Hinchliffe, and Ian Loftus Section IV Clinical and Translational Aspects of Pulmonary Vascular Disease 13 Understanding the Pathobiology of Pulmonary Vascular Disease ... dysfunction, characterized by J.C Mason Bywaters Centre for Vascular Inflammation, National Heart and Lung Institute, Imperial College London, Hammersmith Hospital, London, UK e-mail: justin.mason@imperial.ac.uk ... Professor of Cellular and Molecular Biology UCL Medical School London UK Clive Handler, BSc, MD, MRCP FACC, FESC Consultant in Pulmonary Hypertension Royal Free Hospital London UK Michael Dashwood,...
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Tài liệu Báo cáo khoa học: Altered expression of CD1d molecules and lipid accumulation in the human hepatoma cell line HepG2 after iron loading pptx
... that environmental and genetic factors have on liver iron metabolism, has received great attention over the past years using knockout and transfection technologies In marked contrast, studies addressing ... ferritin and storage iron in HepG2 cells grown in media supplemented with 100 lm of ferric citrate (iron-rich media), the most common form of nontransferrin bound iron found in iron overload conditions ... effect that iron loading of hepatic cells has on the expression of immune recognition molecules have been scarce In vivo studies by Hultcrantz and collaborators showed that iron accumulation in the...
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Báo cáo khoa học: Tyrosine nitration in the human leucocyte antigen-Gbinding domain of the Ig-like transcript 2 protein ppt
... proliferation and function, and cytokine production [7,8] For example, NO increases macrophage and NK cell function [9,10] and downregulates the T helper cell response, favouring a T helper reaction ... restriction on molecular weight and isoelectric point; carbamidomethylation of cysteine; variable modification; and oxidation of methionine HLA-G binding assay rhILT2-Fc was treated with increasing concentrations ... untreated control These nitroTyr corresponded to positions Tyr35, Tyr76, Tyr77, Tyr99, Tyr229 and Tyr355 (Figs 2B–E and Table 1) In particular, the charged ions CQGGQETQEYR and the corresponding...
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Báo cáo khoa học: Roles of 1-Cys peroxiredoxin in haem detoxification in the human malaria parasite Plasmodium falciparum potx
... inactivation reaction and is expressed as a percentage of the original activity (–) HG indicates inactivation reactions containing FP and GSH HGP and HGaP indicate inactivation reactions containing ... GSH-mediated FP degradation and iron release Continuation of the reaction with intact Prx protein also yielded FP degradation equal to that of the control reaction (Fig 1A and B) This finding suggests ... [8,9,20], and such information will provide further insights into the physiological functions of this protein On the other hand, Prx is known to be multifunctional, and its molecular chaperone function...
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Báo cáo khoa học: "AMBIGUITY RESOLUTION IN THE HUMAN SYNTACTIC PARSER: AN EXPERIMENTAL STUDY" ppt
... as candidates for describing the human parser: DPA with either kind of parallelism, IPA-with-strong-parallelism, or Abandonment-withparallel-reanalysis (Abandonmentmight work in (2) by abandoning ... that the conceptual content of the syntactically unanalyzed words was great enough to support a confident resolution decision.) In contrast to the other remaining models, IPA-with-strong-parallelism ... the determinants and scheduling of ambiguity resolution, through use of an on- line task that provides readily interpretable results Subjects sat in front of a C T screen and on R each t r i a...
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Báo cáo khoa học: Enzymes of mannitol metabolism in the human pathogenic fungusAspergillus fumigatus– kinetic properties of mannitol-1-phosphate 5-dehydrogenase and mannitol 2-dehydrogenase, and their physiological implications pot
... alcohol oxidation and ketose reduction; KiNADH and KiNAD are dissociation constants for NADH and NAD+; and KmRO and KmROH are Michaelis constants for ketose and polyol Note: in the random bisubstrate ... number, E and S are the molar concentrations of enzyme and substrate, Km is an apparent Michaelis constant, and KiS is a substrate inhibition constant E was obtained from the protein concentration, ... concentrations on the thermodynamic boundary conditions for the action of AfM1PDH and AfM2DH were examined The allowed concentration ranges were comprehensive: 5150 lm NADH; 0.0110 mm Fru; and...
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Báo cáo khoa học: A L225A substitution in the human tumour suppressor HIC1 abolishes its interaction with the corepressor CtBP docx
... CtBP1 is both cytoplasmic and nuclear, and this subcellular localization is regulated by interplay between post-transcriptional modifications (SUMOylation and phosphorylation) and binding to neural ... central region functions as a CtBP-dependent and CtBP-independent autonomous repression domain We next investigated the importance of this L225A point mutation for the transcriptional repression properties ... BARS: a dual-function protein involved in transcription co-repression and Golgi membrane fission EMBO J 22, 3122–3130 Turner J & Crossley M (1998) Cloning and characterization of mCtBP2, a co-repressor...
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Báo cáo khoa học: Human-blind probes and primers for dengue virus identification Exhaustive analysis of subsequences present in the human and 83 dengue genome sequences doc
... explanations to be monitored on an ongoing basis Such monitoring might be conducted routinely to detect changes in the local virus population before cases of hemorrhagic fever occur If reduction of ... subsequence belonging to one file and the remaining sequence in another file were not included in our calculations All calculations on the human genome utilized both the original and complementary strand ... variant of the virus which is common in that region, a re-emergence of an earlier version, a continuation of an outbreak from the previous season or the introduction of a new strain as the result...
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Báo cáo khoa học: Etoposide upregulates Bax-enhancing tumour necrosis factor-related apoptosis inducing ligand-mediated apoptosis in the human hepatocellular carcinoma cell line QGY-7703 pdf
... Gibson, S.B., Oyer, R., Spalding, A.C., Anderson, S.M & Johnson, G.L (2000) Increased expression of death receptors and synergizes the apoptosis response to combined treatment with etoposide and ... cytochrome c and second mitochondria-derived activator of caspase (Smac)/DIABLO from mitochondria to the cytosol Bax is a pro-apoptotic factor belonging to the Bcl-2 family and stimulates mitochondria ... tumour cells and this synergistic effect involves the upregulation of Bax and tBid, but not of DR4 or DR5 The interaction between Bax and tBid results in the amplification of mitochondrial release...
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Báo cáo khoa học: Probing the access of protons to the K pathway in the Paracoccus denitrificans cytochrome c oxidase pdf
... reorganization of a protein upon electron transfer and concomitant proton transfer The spectra reveal the contributions of residues addressed by the redox reaction and are specific for their protonation ... under identical experimental conditions [26] On a longer time scale (from 20 ms to 20 s), heme a3 becomes reduced and the corresponding typical absorption changes are consistently observed (Fig 1, ... reorganization of the hemes, of the polypeptide backbone and of the amino acid side chains upon electron transfer to ⁄ from the redox active centers (hemes a ⁄ a3, CuB or CuA) Additionally proton reactions...
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Báo cáo sinh học: " PET kinetics of radiolabeled antidepressant, [N-methyl-11C]mirtazapine, in the human brain" ppt
... states: conceptual foundations and neuronal substrates, drug discovery and therapeutic application Pharmacol Ther 2006, 110:135-370 28 Millan MJ Dual- and triple-acting agents for treating core and ... metabolite-corrected arterial plasma input function Region is the cerebellum, region is the striatum, region is the hippocampus, region is the frontal lobe, and region is the thalamus 12 Table Binding potential ... namely free and specifically-bound ligand, assuming that the free and nonspecifically bound compartments reach equilibrium rapidly One could speculate that a slower, nonspecific component of binding...
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báo cáo hóa học:" Role of the VEGF-Flt-1-FAK pathway in the pathogenesis of osteoclastic bone destruction of giant cell tumors of bone" pptx
... in VEGF signaling in GCTs Co-localization of CD68 and Flt-1 in monocyte-like cells and MNCs at the site of bone destruction Because monocyte-like cells and MNCs in GCTs express CD68 [16], we ... 0.05) (Figure 6a and 6b) Discussion The association between VEGF expression and angiogenesis has been detected in many solid tumors In addition, VEGF-induced vascularization during bone development ... Flt-1 in GCTs The sections were prepared as described in Fig and stained with anti-CD68 (a and d) and anti-Flt-1 (b and e) Abs, followed by TRITC- and FITC-conjugated secondary Abs, respectively...
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báo cáo hóa học:" Role of the VEGF-Flt-1-FAK pathway in the pathogenesis of osteoclastic bone destruction of giant cell tumors of bone" potx
... in VEGF signaling in GCTs Co-localization of CD68 and Flt-1 in monocyte-like cells and MNCs at the site of bone destruction Because monocyte-like cells and MNCs in GCTs express CD68 [16], we ... 0.05) (Figure 6a and 6b) Discussion The association between VEGF expression and angiogenesis has been detected in many solid tumors In addition, VEGF-induced vascularization during bone development ... Flt-1 in GCTs The sections were prepared as described in Fig and stained with anti-CD68 (a and d) and anti-Flt-1 (b and e) Abs, followed by TRITC- and FITC-conjugated secondary Abs, respectively...
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Báo cáo hóa học: " Research Article Robust Object Categorization and Segmentation Motivated by Visual Contexts in the Human Visual System" docx
... object categorization and figureground segmentation in a cluttered environment Biologically Motivated Object Categorization 3.1 Categorization Model of HVS Conventionally, vision is considered to be ... Berg, and J Malik, “Shape matching and object recognition using low distortion correspondences,” in Proceedings of the Computer Society Conference on Computer Vision and Pattern Recognition (CVPR ... object representation uses strong pixel relation, which leads to strong discrimination but weak visual variation Likewise, texton-based object representation discards pixel relation, which leads...
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Báo cáo y học: "Eotaxin and FGF enhance signaling through an Extracellular signal-related kinase (ERK)-dependent pathway in the pathogenesis of Eosinophilic Esophagitis" doc
... were treated with only swallowed budesonide, were treated with only swallowed fluticasone, were treated with only an elimination diet, were treated with only an elemental diet, and 11 were treated ... blood mononuclear cells, and local esophageal tissue compared to subjects with gastroesophageal reflux disease, ulcerative colitis, Crohn’s disease, and healthy controls The upregulation of fibroblast ... 94118, USA Authors’ contributions JH and JJ performed the plasma and PBMC separation, the immunohistochemistry, the QT-PCR tissue preparation, and the data analysis JF, AP, TN, and SS aided in the...
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Báo cáo y học: "Differential binding of chemokines to macrophages and neutrophils in the human inflamed synovium" pps
... Conclusion This study demonstrates the expression of available chemokine binding sites for CCL2, CCL3, CCL5 and CXCL8 on CD68+ macrophages in the subintimal and intimal layers of rheumatoid and ... displayed intimal layer thickening and some infiltration of mononuclear cells, although not as severe as in RA samples, and noninflamed sites showed a normal intimal layer and no leukocyte infiltrates ... antibodies to CXCR1, CXCR2 and CD68 Samples from every RA and non-RA patient showed expression of both CXCR1 and CXCR2 by macrophages in the subintima and intima (Supplementary Fig and Fig 3) Similarly,...
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Báo cáo y học: "A polymorphism in the human serotonin 5-HT2A receptor gene may protect against systemic sclerosis by reducing platelet aggregation" potx
... PCR amplification was initiated at 96°C for minutes and was performed for 40 cycles, each consisting of 30 seconds at 96°C, 45 seconds at 58°C and 45 seconds at 72°C A final elongation step of minutes ... aggregation induced by ADP and serotonin Left panel: aggregation induced by μM ADP + μM buffer solution (plain Tyrode's solution serotonin (PT)) Right panel: aggregation induced by μM ADP + μM serotonin ... the demonstration that the Page of (page number not for citation purposes) Authors' contributions LB was responsible for the study design, manuscript preparation, analysis and interpretation of...
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Báo cáo y học: " NeMeSys: a biological resource for narrowing the gap between sequence and function in the human pathogen Neisseria meningitid" pot
... λpir Therefore, upon transformation of an aliquot of the in vitro transposition reaction in DH5α and selection on plates containing kanamycin (cassette in the mini-transposon) and spectinomycin ... Authors' contributions CR, CB, PG and VP sequenced and assembled strain 8013's genome DV, AL and CM contributed and managed bioinformatics resources DV and VP performed manual annotation and bioinformatics ... Tfp biology and transcriptional regulation, and a robust mutagenesis method for completing it in the future Functional genomics: NeMeSys facilitates identification of gene function and genes essential...
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Báo cáo y học: " Contrasting chromatin organization of CpG islands and exons in the human genome" pot
... for each exon and its flanking intron regions (< 200 bp upstream and downstream of the exon) for the absolute and relative exonic enrichment of CpG methylation CpG islands, exons, and CpG density ... transcript partitioned into non-coding exons, coding exons, and introns Additional file A figure showing specific enrichment of CpG methyaltion on exons with weak splice sites Additional file A figure ... methylation normalized for CpG density within the transcript partitioned into non-coding exons, coding exons, and introns Additional file A figure showing DNA methylation measured at base resolution...
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