mechanisms of phototoxic and photoallergic reactions
Tài liệu Báo cáo khoa học: Mechanisms of obesity and related pathologies: Androgen deficiency and endothelial dysfunction may be the link between obesity and erectile dysfunction pptx
... pathophysiological mechanisms of obesity-induced androgen deficiency and hypogonadism-induced obesity remain the subject of intense investigation Several hypotheses have discussed the relationship of androgen ... endothelium dysfunction and ED [130,131], the concept of androgen deficiency reinforces the important role of androgens in vascular health and erectile function Summary and conclusions Visceral ... visceral and peripheral fat further diminishes the levels of testosterone and increases the levels of estradiol (E2), which further contributes to preferential deposition of more visceral fat and...
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Báo cáo khoa học: Mechanisms of obesity and related pathologies: Role of apolipoprotein E in the development of obesity potx
... intake and energy expenditure, and the subsequent deposition of excess fatty acids into fat cells in the form of triglycerides, leads to the development of obesity [21] A lipid-rich diet and sedentary ... Epidemiological and population studies have established a direct correlation between obesity and the development of cardiovascular disease [36,37] Despite the pivotal role of obesity and dyslipidemia ... condition, and an increased propensity to develop a variety of spontaneous and induced tumors [44] The Ay mutation is the result of a 170 bp deletion that removes all but the promoter and noncoding...
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Báo cáo khoa học: Mechanisms of obesity and related pathologies: Transcriptional control of adipose tissue development pdf
... contain smaller lipid droplets and more mitochondria, and express higher levels of UCP-1 and PGC-1a and lower levels of Rb The role of these various transcription factors and nuclear factors is highlighted ... for our understanding of what controls the expansion of fat mass in different individuals Moreover, it is also important to understand the origins of each of the different white and brown depots ... adipocyte number) and hypertrophy (i.e an expansion of adipocyte volume as a result of the accumulation of lipids) Consequently, knowledge of the origin and molecular control of adipocyte progenitor...
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Báo cáo khoa học: Mechanisms of obesity and related pathologies: The macro- and microcirculation of adipose tissue pdf
... and leptin, the inflammatory chemokines tumor necrosis factor-a (TNFa) and an array of interleukins, and angiogenic and vasoactive molecules such as vascular endothelial growth factor (VEGF) and ... adipocytes and the adipose microvascualture, and the marked similarities in tumor growth and hypoxia compared with those of adipose tissue expansion remain of great interest Adipose tissue and lymphatic ... Peripheral lymphatic management, uptake and transport of adipocyte secretions and reverse transport of lipids and lipophyllic molecules from the interstitium is therefore of great importance not only to...
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reaction mechanisms of inorganic and organometallic systems (topics in inorganic chemistry)
... units of A will be those of k and 18 Reaction Mechanisms of Inorganic and Organometallic Systems £a will have the energy units of R The k is determined by experiments at several temperatures, and ... the physical chemistry aspects of reaction kinetics Rate For the general reaction the reaction rate and the rate of disappearance of reactants and rate of formation of products are related by In ... units of k depend on the rate law and must give the right-hand side of Eq (1.3) the same units as the left-hand side A simple example of the need to define the rate in order to give the meaning of...
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báo cáo hóa học: " Type D personality in the general population: a systematic review of health status, mechanisms of disease, and work-related problems" docx
... and experimental evidence regarding the role of Type D personality in potential mechanisms of disease as well as work-related Type D personality and mechanisms of disease Type D personality and ... support, and they were Mols and Denollet Health and Quality of Life Outcomes 2010, 8:9 http://www.hqlo.com/content/8/1/9 Page of 10 Table List of criteria for assessing the methodological quality of ... explored the behavioral and biological mechanisms of disease as a Mols and Denollet Health and Quality of Life Outcomes 2010, 8:9 http://www.hqlo.com/content/8/1/9 Table 3: Outcomes of studies: Health...
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Mixture toxicity of POPs dioxins, PCBs, PBDEs considerations from mechanisms of actions and for risk assessment
... limited toxicological relevance and use for risk assessment of environmental matrices Aspects reduced bioavailability, environmental fate and transport not in present REP/TEF ... not in present REP/TEF studies evaluated Mixtures of PCDDs, PCDFs and DL-‐PCBs s*ll a health risk? One order of magnitude decline in background human exposure since ... Berg & R F Canton (2010) A Global Foodborne Burden of Disease? WHO-‐FERG In prep Es*ma*on of number of W-‐Europe children exceeding the TDI significantly (
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Mechanisms of neurodegeneration and stem cell migration a study of molecular signals in the model of axotomy
... 4.3.1 Bcl-2 and Bax.…………………………………………………………… 19 4.3.1.1 Discovery of Bcl-2 and Bax 19 4.3.1.2 Functions of Bcl-2 and Bax in apoptosis.…………………………20 4.3.1.3 Bcl-2 and Bax in the model of axotomy.………………………….21 ... complex of two subunits designated type I (RI) and type II (RII) It has been proposed that binding of TGF-β to RII induces assembly of RII-RI heterodimer and transphorylation of RI by RII and this ... the survival of axotomized dorsal root ganglia (Keilhoff et al., 2002) 4.3 Involvement of apoptosis associated molecules 4.3.1 Bcl-2 and Bax 4.3.1.1 Discovery of Bcl-2 and Bax Most of the currently...
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The uptake mechanisms of ag and tio2 nanoparticles of nervous system cells
... Alzheimer’s disease, and Huntington’s disease 1.2 Objectives of the research The specific objective of the project is to understand the processes of internalization of Ag and TiO2 nanoparticles ... understanding the relationship between the physical and chemical properties of nanomaterials and their potential risk to the environment and human health Where the size, shape, and surface of the ... UNIVERSITY OF AGRICULTURE AND FORESTRY DUONG THI THU HUYEN Topic title: THE UPTAKE MECHANISMS OF AG AND TIO2 NANOPARTICLES TO NERVOUS-SYSTEM CELLS BACHELOR THESIS Major: Environmental Science and Management...
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ISOTOPE HYDROGRAPH SEPARATION FOR MODELING OF RUNOFF MECHANISMS OF ATMOSPHERICALLY DERIVED CHEMICAL AND RADIOACTIVE POLLUTANTS
... composition of 2H and 18O The compositions of the isotopes 2H (D) and 18O were analyzed to obtain δD (‰) and δ18O (‰), respectively, which are defined as the relative deviation of the parts per thousand ... 22-23 of 2003 The amount of precipitation was 30 mm in total Figure shows the precipitation record of the studied event (Fig 2a) and the record of the river flow rate (solid line, Fig 2b) of the ... the discharge of new water and the migration of hazardous elements, which has not been sufficiently analyzed or reported previously As a result of the calculation, and by setting C1 and C2 as mentioned...
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A CFD analysis of transport phenomena and electrochemical reactions in a tubular-shaped PEM fuel cell
... strength of the current model is clearly to perform parametric studies and explore the impact of various parameters on the transport mechanisms and on fuel cell performance The new feature of the ... 2.73 K), and this leads to prevent drying out of the membrane and excessive thermal stresses that may result in rupture of the membrane, and therefore less thermal management problems, and achieve ... 2.69 K), and this leads to prevent drying out of the membrane and excessive thermal stresses that may result in rupture of the membrane, and therefore less thermal management problems, and achieve...
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Tài liệu Báo cáo khoa học: Reaction mechanisms of thiamin diphosphate enzymes: redox reactions pdf
... deprotonation of C2a-OH of HEThDP and protonation of FAD at N5 and N1) The tight and rigid binding of both cofactors excludes a direct carbanion mechanism with covalent linkage between C2a of the HEThDP ... Rapid depletion of the thiamin radical and reduction of all clusters is only achieved after addition of CoA What is the special role of CoA for propagation of the second electron and the associated ... mechanistic understanding of reductive acetylation and active site coupling between E1 and E2 [39,40] The active center of E1 with the ThDP cofactor is located at the bottom of a long funnel-shaped...
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Tài liệu Báo cáo khóa học: Quantitative analysis, using MALDI-TOF mass spectrometry, of the N-terminal hydrolysis and cyclization reactions of the activation 2 process of onconase pdf
... using the purified recombinant protein, the conversion of reagents and products of the exopeptidasecatalyzed hydrolysis of Met1 and cyclization of Gln1 to pyroglutamyl were monitored at different ... first h of the reaction Guanidinium chloride concentration pH 6.2 7.2 8.0 Fig Comparison of the hydrolysis reaction as a function of denaturing agent and pH (A), (B) and (C): (d), (s) and (.) ... to 2.5, 8.0 and 11.5 and the samples were incubated at 37 °C, 50 °C and 70 °C Aliquots were taken at different time-points from each sample and analyzed by MALDI-TOF MS The addition of the protease...
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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
... lifetimes of carbon-centred radicals derived from a diverse set of substrates are on the order of about 10)10 s [98] Moreover, the randomness of the apparent intramolecular KIEs for unrearranged and ... result in a drastic diminution of polymerization products derived from aniline and some of its p- and N-substituted congeners, while formation of p-hydroxylated and dealkylated metabolites was ... discounted in view of the high selectivity of DNA strand breakage [239] Also, density functional theory (DFT) calculations of the electronic structure of an optimized geometric model of activated BLM...
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R INTE S OF MEDIC REPORTING ADVERSE DRUG REACTIONS DEFINITIONS OF TERMS AND CRITERIA FOR THEIR USE ppt
... Ministry of Health, Rome); Netherlands (Netherlands Centre for Monitoring of Adverse Reactions to Drugs); Sweden (the Medical Products Agency); Switzerland (Intercantonal Office for the Control of ... representatives of regulatory bodies and pharmaceutical companies, together with clinical experts and staff members of WHO and CIOMS, agreed on standard definitions of selected terms for adverse drug reactions ... physician and the quality of the operational system for reporting adverse reactions are crucial Verification of a new potential and harmful reaction often requires the collection and review of reports...
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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
... species composition of PtdIns Fatty acid composition of phospholipids from tissues of yellowtail and rat Brain, heart, liver, spleen, kidney and ovary of yellowtails were isolated, and total lipids ... Protein kinase C activity in the spleen of trout (Salmo gairdneri) and the rectal gland of dogfish (Scyliorhinus canicula), and the effects of phosphatidylserine and diacylglycerol containing (n-3) ... phosphatidylserine (PtdSer), PtdIns and sphingomyelin The fatty acid compositions of PtdCho, PtdEtn, PtdSer and PtdIns of brain, heart, spleen, kidney and ovary of yellowtail were investigated (Tables...
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The Credit Crunch of 2007-2008: A Discussion of the Background, Market Reactions, and Policy Responses potx
... characteristics: The Board of Governors of the Federal Reserve System, the Office of the Comptroller of the Currency, the Federal Deposit Insurance Corporation, and the Office of Thrift Supervision ... scope of regulation necessary for ratings agencies, and review the usefulness of stress testing and “fair value” accounting methods This article consists of two parts: an outline of events and ... spread most often used by central banks to describe the increase in the cost of interbank lending, reflecting credit and liquidity risk See Arain and Song (2008, p 2) and Bank of England (2008,...
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The Report of the Task Force on Financial Mechanisms for ICT for Development - A review of trends and an analysis of gaps and promising practices ppt
... best understanding of the broad and constantly changing scope of the ICT sector and the use of ICT in the developing world from a financing and development perspective In the report of the Task ... lowered the cost of ICT goods and services and expanded the range of technology choices and solutions It has also stimulated the entry of new players – principally the private sector - and increased ... development projects, and can also be scaled up through innovative financing instruments All of these types of mechanisms offer the promise of shifting the emphasis of ICT finance and implementation...
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Báo cáo khoa học: Modeling hydration mechanisms of enzymes in nonpolar and polar organic solvents potx
... precise picture of water at the surface of the protein, we looked at the number of water molecules within a specific layer of 0.25 nm from the surface of the protein (Fig 3), and the ratio of Fig Average ... 2431 ˆ N M Micaelo and C M Soares Modeling hydration mechanisms of enzymes of time Final parameters and standard errors are shown in supplementary Table S2 The residence times of the water molecules ... significant role in solvating the enzyme, and also takes part in the modulation of the structural and dynamic properties of the enzyme It is also of note that ethanol and acetonitrile are significantly...
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A Single-Molecule Perspective on the Role of Solvent Hydrogen Bonds in Protein Folding and Chemical Reactions pptx
... direction of the pulling forces (arrows) B) Snapshot of the b-strands A’ and G of the I27 protein showing the protein backbone only for simplicity C) Snapshot of the bstrands A’ and G of the I27 ... separating b-strands In Figure B, we define the pulling coordinate for the A’ and G b-strands as the distance between the first amino acid of strand A’ (Y9) and the last amino acid of strand G (K87) ... elongation of b-strands A’ and G for unfolding the I27 protein in D2O The pulling coordinate for the separating b-strands is defined as the distance between the first amino acid of strand A’ (Y9) and...
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