mechanisms of arterial wall destruction in gca
Báo cáo y học: "Proteomic analysis of mechanisms of hypoxia-induced apoptosis in trophoblastic cells"
... many proteins involved in apoptosis, including the expression profiles of proteins involved in the mitochondrial (bcl-2, bax, and bcl-x, etc.) and stress reaction-related pathways of apoptosis ... of protein changes for the experimental sample to control detected by using the Odyssey Infrared Imaging System (+) means an increase of signal intensity, and (-) means a decrease of signal intensity ... of protein changes for the experimental sample to control detected by using the Odyssey Infrared Imaging System (+) means an increase of signal intensity, and (-) means a decrease of signal intensity...
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Báo cáo sinh học: "Systemic 5-fluorouracil treatment causes a syndrome of delayed myelin destruction in the central nervous system" doc
... displayed scattered foci of demyelinated axons, including partial or complete loss of myelin sheaths and increases in inter-laminar splitting of the myelin sheaths Analysis of transverse sections (Figure ... agents cisplatin, BCNU (carmustine) and cytarabine [79] To estimate clinically relevant concentrations, we used the following information: routinely used continuous intravenous infusions of 5-FU can ... demyelinated axon with rarefaction of the axoplasm (asterisk) and two axons with collapsed centers and inter-laminar splitting of the myelin sheaths (arrows) can be seen, indicating on-going myelin...
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Báo cáo y học: "Mechanisms of new bone formation in spondyloarthritis" pptx
... and contrasting effects of WNT proteins are further highlighted by studies of intracellular mediator βcatenin Over-expression of a constitutively active form of this molecule in developing skeletal ... dynamically in humans It remains an open question whether approaches in animal models, including enzyme-activated probes, will find their way into clinical and translational patient imaging Page of (page ... Dreimann M, Hempfing A, Stein H, Metz-Stavenhagen P, Rudwaleit M, Sieper J: Correlation of histopathological findings and magnetic resonance imaging in the spine of patients with ankylosing spondylitis...
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Báo cáo y học: "Inflammation predicts accelerated brachial arterial wall changes in patients with recent-onset rheumatoid arthritis" pptx
... trained investigator (SH) who was unaware of the subject's clinical data, using a highresolution ultrasound machine, according to the International Brachial Artery Reactivity Task force Guidelines ... patients were taking statins, one was taking an angiotensinconverting enzyme inhibitor and one patient was taking both Although all four patients were taking a once daily dose of their medication, ... artery, scanned in longitudinal section to 10 cm above the antecubital crease Focus, depth and gain were individually set to optimise images of the lumen /arterial wall interface A baseline scan was...
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Báo cáo y học: " Pro-inflammatory mechanisms of muscarinic receptor stimulation in airway smooth muscle" doc
... activation of muscarinic receptors in hASMc facilitates the secretion of the pro-inflammatory cytokines IL-6 and IL-8 in combination with CSE and pro-inflammatory cytokines Muscarinic receptor ... in pro-inflammatory cytokine secretion by inducing the activation of several downstream pathways, including the IKK-2/IBa/NF-B and Raf-1/MEK/ ERK1/2 pathways [21] The stimulation of muscarinic ... cytokine secretion from hASMc by muscarinic receptors, alone and in concerted action with various pro-inflammatory stimuli involved in the pathogenesis of COPD In addition, we investigated the intracellular...
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Báo cáo y học: "Mechanisms of quadriceps muscle weakness in knee joint osteoarthritis: the effects of prolonged vibration on torque and muscle activation in osteoarthritic and healthy control subjects" pps
... an increased rate of loading at the knee joint [7, 8] and recent longitudinal data has shown that greater baseline quadriceps strength may protect against incident knee pain [9, 10], patellofemoral ... transmission in Ia afferent fibres by increasing presynaptic inhibition, raising the activation threshold of Ia fibres and/or causing neurotransmitter depletion at the Ia afferent terminal ending [29] In ... interpretation of the data and the drafting and revision of the manuscript PM was involved in the conception and design of the study, analysis and interpretation of the data and in the revision of the...
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Báo cáo khoa học: " Science review: Mechanisms of impaired adrenal function in sepsis and molecular actions of glucocorticoids" pdf
... are continuous with the sinuses of the medulla, which drain into the central vein of the medulla The right adrenal vein drains into the inferior vena cava and the left into the renal vein Hence, ... protein-1 from interacting with its binding site within the promoters In vitro inhibition of NF-κB activation has been reported in various types of cells, although an enhanced expression of the ... immunoreactivity and binding activity of corticosteroid-binding globulin in serum in septic shock Clin Chem 1989, 35:1675-1679 48 Vogeser M, Zachoval R, Felbinger TW, Jacob K: Increased ratio of serum cortisol...
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Báo cáo khoa học: "Clinical review: Interpretation of arterial pressure wave in shock states" pptx
... on ∆PP remains to established In cases in which it is difficult to interpret the respiratory changes in arterial pressure, it is important to keep in mind that increases in SV or of its surrogates, ... the remaining part of this review we focus on the informative value of the four pressures routinely measured (MAP, SAP, DAP and PP) and the clinical significance of respiratory changes in arterial ... arterial pressure in patients with circulatory shock Informative value of mean arterial pressure Both baseline MAP and changes in MAP must be explained by the combined influences of heart rate,...
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Báo cáo y học: " Molecular mechanisms of HIV-1 persistence in the monocyte-macrophage lineage" ppt
... the finding of in vivo reactivation of these infected macrophages in response to opportunistic infections is in favor of macrophages as HIV-1 reservoirs [46,47] Finally, resident macrophages of ... which induces trimethylation of lysine from H3 therefore allowing the recruitment of heterochromatin protein (HP1), heterochromatin formation and HIV-1 silencing (figure 2) Interestingly, by using ... therapy since their binding to HIV-1 LTR in a sequence specific manner is associated with the repression of LTR activity [97,98] Interestingly, zinc-finger protein can influence the chromatin compaction...
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Báo cáo y học: "Theoretical analysis of the mechanisms of a gender differentiation in the propensity for orthostatic intolerance after spaceflight" docx
... used to integrate many of the experimental findings in to a more comprehensive theory of understanding [14] The analysis suggested that changes in the capacitance of the lower extremity veins secondary ... in the lower extremities Examining the theoretical consistency of the hypothesis in the context of the current considered mechanism for OI induction suggests that a change in the COG of the individual, ... simulated by a 15% caudal shift in the longitudinal center of gravity of the model’s anatomic structure with a resulting relative increase in the proportional mass in the lower body compartment...
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Báo cáo y học: "Quantifying the major mechanisms of recent gene duplications in the human and mouse genomes: a novel strategy to estimate gene duplication rates" docx
... entire genome The interval of the data points in terms of Ks of the curves is 0.01 Because initially genes are singletons and the duplication direction in TAGs is unknown, the number of duplicated ... calculated as the total number of genes in TAGs in each case minus the number of initial singleton genes, which can be estimated as one half of the number of genes in twocopy gene families refereed ... genes Of these, 8,312 in human and 8,105 in mouse are single-copy genes, and the remaining are clustered by Ensembl into 3,538 families in human and 3,600 families in mouse reviews Data compiling...
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Báo cáo sinh học: "Mechanisms of resistance to acrolein in Drosophila melanogaster" ppt
... ALDH activity is increased in the acroleinresistant lines suggests that acrolein degradation in flies occurs through its oxidation and integration in a similar metabolic path Of course, there ... depression So, the breathing requirements of resistant flies would be lower and, therefore, the acrolein flow into the flies would be reduced , Bearing in mind that the acrolein-resistant flies are ... acrolein resistance females, are not The mean values for ALDH activity, detected in the soluble fraction of acroleinresistant and control lines are displayed in Table Va: each of the resistant lines...
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Study of domain wall devices in magnetic nanowires
... of domain walls in nanowires The most common approach to pin a domain wall is by introducing a constriction along the lateral edge of the nanowire The parameters such as pinning fields and pinning ... cross-tie domain wall (XDW) A XDW consists of a main DW, separating two antiparallel magnetic domains The structure of the main wall varies continuously along its length, comprising alternating Néel ... type domain walls The symmetric nature of the nanotrench pining site offers less complicated domain wall evolution at the pinning site compared to the conventional the lateral V-notches In permalloy...
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IDENTIFYING THE MECHANISMS OF LYMPH NODE HYPERTROPHY IN ATHEROSCLEROTIC MICE
... location in the lymph node through their production of CCL19 and the serine isoform of CCL21 (Luther et al., 2000) thereby defining the boundaries of the T cell zone In addition, these chemokines ... entry into the lymph node via HEVs consist of steps: tethering and rolling of lymphocyte on HEV endothelium, activation of surface integrin, firm adhesion of cells onto HEV endothelium and finally, ... 2003) S1P is synthesized in vivo by the phosphorylation of sphingosine and enzymes are involved in the phosphorylation reaction; sphingosine kinase and (Sphk1 and Sphk2) In addition, S1P can also...
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Novel mechanisms of programmed cell death in the protozoan parasite blastocystis
... 13 The induction of MOMP is a critical event in apoptosis and often defines the point of no return (Kroemer and Reed, 2000) Most pathways upstream of MOMP are independent of caspases Upon induction ... cause a wide variety of human diseases Current treatment of these infections is being challenged by increasing incidence of drug resistance and lack of effective vaccine (Croft et al., 2006; Fidock ... studies of PCD in protozoan parasites, most of the homologs of mammalian molecules involved in cell death signaling are missing in the protozoa and the molecular architecture of PCD in protozoan...
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Experimental investigation of exergy destruction in a 8-kW power plant
... product in quantifying and representing the production performance of a component Performance and parametric investigation of a binary geothermal power plant by exergy approach were investigated ... the experimental results, the irreversibility of components including boiler, turbine, condenser, and feed water tank increased with the increasing of the output work 200 150 I(KW) 100 50 I.boiler ... irreversibility in the combustion region has an increasing trend The portion of irreversibility in the exhaust region is the minimum and its change was little Conclusion In this research, the exergy destruction...
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Tài liệu Women''''s attitudes towards mechanisms of action of family planning methods: survey in primary health centres in Pamplona, Spain doc
... in inconsistent responses We found inconsistencies in 12.2% of the sample, indicating the difficulties in communicating the information about the mechanism of action To assess the influence of ... would consider using and would stop or continue using In addition, hypothetical choices were examined in terms of a non-specific "method of family planning" and not in terms of actual methods ... cross-sectional survey in a sample of women in reproductive age (18–49) from ten Primary Care Health Centres in various areas of Pamplona, Spain Women attend this kind of centre for obtaining primary care...
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Tài liệu Báo cáo khoa học: Models and mechanisms of O-O bond activation by cytochrome P450 A critical assessment of the potential role of multiple active intermediates in oxidative catalysis doc
... benzene ring of aniline to yield p-aminophenol [151] Formation of the oxygenating species has been recognized to be facilitated by the binding to HbO2 of aniline and some of its derivatives, causing ... exhibiting insignicant sequence identity with P450s in the heme-binding region [282], but bearing a C-terminal avoprotein fragment in the single polypeptide chain structurally resembling NADPH-P450 ... Mayer, B (1994) The pteridine binding site of brain nitric oxide synthase Tetrahydrobiopterin binding kinetics, specicity, and allosteric interaction with the substrate domain J Biol Chem 269, 1386113866...
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Báo cáo khoa học: Post-ischemic brain damage: the endocannabinoid system in the mechanisms of neuronal death ppt
... detrimental effects of OGD in vitro by releasing glutamate in excess, indicating that the increase in 2-AG levels that was observed by these authors following OGD may protect dopaminergic neurons ... Characterization of the neuroprotective effect of the cannabinoid agonist WIN-55212 in an in vitro model of hypoxic-ischemic brain damage in newborn rats Pediatr Res 60, 169–173 43 Cernak I, Vink R, Natale ... endothelial isoform of this enzyme are beneficial by, among other mechanisms, sustaining blood flow in the periphery of the ischemic brain On the other hand, under normal circumstances, stimulation of NMDA...
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Báo cáo khoa học: Mechanisms of accumulation of arachidonate in phosphatidylinositol in yellowtail A comparative study of acylation systems of phospholipids in rat and the fish species Seriola quinqueradiata pot
... enrichment of arachidonate in PtdIns in mammals Further experiments are needed to clarify the involvement of the PtdIns cycle in the accumulation of arachidonic acid in PtdIns of fish Fig Effects of docosahexaenoic ... 1) The proportion of it in PtdIns was highest in ovary (33.5%) and lowest in brain (17.6%) In all tissues, the proportion of Ó FEBS 2003 Arachidonate in phosphatidylinositol of yellowtail (Eur ... conservation of PtdIns is found in marine fish, what mechanisms operate to accumulate arachidonic acid into PtdIns in an environment in which arachidonic acid is limited? In this study, we investigated...
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