b on the immune system
Paradoxical roles of the immune system during cancer development docx
... activation of adaptive immune responses By contrast, during chronic inflammation, these roles can be reversed — adaptive immune responses can cause ongoing and excessive activation of innate immune ... upregulate COX2 expression during malignant progression Therefore, the efficacy of COX2-inhibitor-based therapies might be achieved by the regulation or the normalization of distinct biochemical and/or ... Pro-growth Tissue expansion Malignant conversion DC migration and antigen presentation Innate immune response Cell-death inhibition Genomic instability Fibroblast activation Matrix metabolism Angiogenesis...
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Báo cáo Y học: A new siglec family member, siglec-10, is expressed in cells of the immune system and has signaling properties similar to CD33 docx
... that B- cells and monocytes were binding the fusion protein but T-cells were not Possible binding of the fusion protein to the Fc receptors on B- cells and monocytes was ruled out by comparison to ... expression plasmids were constructed by ligating the extracellular sequence of clone 995-2 into a Bristol –Myers Squibb proprietary expression vector pd19 based on puc19 which contains a portion of the ... Emt The tyrosine located at position Y691 was also contributing to the phosphorylation of the wild-type siglec tail by Lck and Jak3 kinases By comparison, the mutation of the tyrosine at position...
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scientific american - 1993 09 - special issue - life, death, and the immune system
... through the action of antibodies, which are produced by the lymphocytes known as B cells that form in the bone marrow T cells and B cells diÝer not only in their function but also in the way they ... well as the other blood cells) One consists of the B cells, which originate in the bone marrow and produce antibodies that bind to foreign proteins and mark them for attack by other cells They act ... invaders by the immune system and red blood cells are formed Early in embryonic life they are produced in the liver, but later the stem cells migrate to the bone marrow B cells generated in the fetal...
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scientific american special edition - 2003 vol 13 no3 - new light on the solar system
... questions, among them: Why the ob- EDWARD BELL HABITABLE ZONE, where liquid water can exist on the surface of a planet, now ranges from just inside the orbit of Earth to beyond the orbit of Mars (blue) ... in the region of Mercury’s orbit than if they were farther out So these rocks may have been all from the same family, one that probably originated in the asteroid belt In contrast, the moons ... continually belch carbon dioxide into the atmosphere But silicate minerals on the continents absorb much of this gas as they erode from crustal rocks and wash out to sea The carbon dioxide then...
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study on the immune response of orange spotted grouper (epinephelus coioides hamilton, 1822) cultured in khanh hoa province to bacteria vibrio parahaemolyticus
... Significance and new conclusions from this dissertation The results of the dissertation contribute with scientific information about the immune response of orange-spotted grouper to Vibrio This provide ... causing the ulcerative disease in grouper Study on the effect of oral administration β-glucan on the native immune response of orange-spotted grouper Study on the specific immune response of ... reduced or no effect 1.3 Fish immune systems 1.3.1 Non-specific immune system The difference aspects of fish non-specific immune system have been reviewed by Ellis (2001), Rombout et al (2005), Magnadottir...
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Báo cáo sinh học: "Parasite immunomodulation and polymorphisms of the immune system" ppsx
... polymorphisms in the contemporary immune system that control the strength of the immune response, exemplified by nucleotide variation in regions controlling expression levels rather than variations in ... responses following TLR stimulation [2], consistent with the broader immunosuppression seen in laboratory models By targeting innate immune responses, the parasite is also reducing cytokine-based ... allows the immune system to be variably calibrated across the population In the absence of infection, and where genotypes tend to the higher end of reactivity (for example, where they result...
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Báo cáo sinh học: "Beyond toxicity: aryl hydrocarbon receptor-mediated functions in the immune system" docx
... expression on other cells of the immune system and the consequences of exposure to AhR ligands for these Given the complexity of cellular interactions that underlie specific immune responses, the ... orchestrated immune response Immune responses function in a tight interactive network of cells and mediators, and the behavior of dioxin in the immune system may not reflect direct action on all the cell ... functions of AhR in the immune system, which may also give clues http://jbiol.com/content/8/7/61 towards crosstalk between the immune system, the neuroendocrine system and the nervous system is more...
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Báo cáo khoa học: "The use of crossreactive monoclonal antibodies to characterize the immune system of the water buffalo (Bubalus bubalis)" pdf
... cattle The use of crossreactive monoclonal antibodies to characterize the immune system of the water buffalo (Bubalus bubalis) Table Monoclonal antibodies reactive with bovine and water buffalo ... CD25 The use of crossreactive monoclonal antibodies to characterize the immune system of the water buffalo (Bubalus bubalis) 107 Table Continued mAb Ig isotype Specificity LCTB28A LCTB50A GB110A ... subset WC1-N3 subset cluster 105 106 W C Davis et al Table Continued mAb Ig isotype Specificity CACTB7A CACTB15A BAQ76A BAQ89A BAQ159A BAS2A BAS3A BAS9A BAQ44A BAQ155A LCTB16A PIG45A2 BIG73A BIG501E...
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Báo cáo khoa học: "Effects of Tributyltin Chloride on the Reproductive System in Pubertal Male Rats" pptx
... final body weights were not affected by the administrations of TBT chloride, methyltestosterone, or combination of TBT chloride and flutamide at the dosages tested (Fig 1) Fig Comparison of body ... combination of TBT chloride and flutamide, compared to the control rats (Fig 3) The treatment of TBT chloride or combination of TBT chloride and flutamide also produced histological changes in the ... androgen receptor On the other hand, serum testosterone level was significantly elevated in the combined treatment Based on the current result that serum testosterone level in TBT chloride regimen...
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Báo cáo y học: "Regulating the immune system: the induction of regulatory T cells in the periphery Jane H Buckner1 and Steven F Ziegler2" pot
... APC In addition, if the differentiation and function of TR cells are regulated by the expression of FoxP3 then, as the regulation of FoxP3 expression becomes better understood, the requirements ... activation that may be achieved by any T cell under the appropriate conditions of activation? The induction of TR cells in the periphery allows for a dynamic immune response when the body is ... T-cell clones to demonstrate that activation of these clones with peptide only, in the absence of co-stimulation, leads to T cells that are anergic and suppress proliferation of other T-cell clones...
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Báo cáo y học: " Mimicking microbial ‘education’ of the immune system: a strategy to revert the epidemic trend of atopy and allergic asthma?" ppt
... that mycobacteria might therefore have influenced the evolution of the immune system because they have been ubiquitous throughout mammalian phylogeny Consequently, the concrete paving of modern ... microbes ‘educate’ our immune system we could perhaps learn to safely mimic their beneficial effect Programmed ‘immunoeducation’ would consist of safe administration, by the correct route and at the ... production by mononuclear cells in vitro [35] and of major histocompatibility class II molecules in vivo [36] The ingestion of fermented vegetables, which are rich in lactobacilli, has been associated...
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Báo cáo y học: " Network, degeneracy and bow tie. Integrating paradigms and architectures to grasp the complexity of the immune system" pps
... under noisy conditions First, the system should be robust against noise and fluctuations and be able to respond to the noisy signal Second, the system, owing to evolutionary adaptation, may have ... possible subsystems, the most important being the main system with MyD88-IRAK4-IRAK1-TRAF6 hub proteins as a bow tie core process This core is able to mediate the activation of NF- B and the mitogenactivated ... in the organization of biological and non-biological complex systems Several critical structures of the IS rely for their functioning on the three above-mentioned principles to afford evolvability,...
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Báo cáo y học: "Common angiotensin receptor blockers may directly modulate the immune system via VDR, PPAR and CCR2b" ppt
... 'VDR_from_1DB1" contains the VDR model we derived from PDB:1DB1 along with the docked conformations of the ARBs, 1,25-D (from PDB:1DB1) and TX522 (from PDB:1TXI) • 'VDR_from_1TXI' contains the VDR ... Methionine The authors consequently believe that the FDA should reexamine the acceptability of Bos taurus and Caviaporcellus tissues for demonstration of the efficacy of ARBs It was beyond the ... Key Ligand bond Non-ligand bond 3.0 Non-ligand residues involved in hydrophobic contact Hydrogen bond & length Atoms involved in hydrophobic contact His 53 Figure docked into the CCR 2b binding pocket...
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Báo cáo y học: "Tumor microenvironments, the immune system and cancer survival" ppt
... cells their component cells, and their microenvironment Among the important advances that have derived from these technologies is the molecular classification of tumors on the basis of only their ... attack by various different cell types of the immune system (indicated by round cells) may lead to elimination of the cancerous cells (b) If elimination is unsuccessful, the immune system and the ... phenotypes not only of cancer cells but also of the surrounding microenvironment The immune system has long been known to be an important part of this microenvironment, although our biological knowledge...
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Báo cáo y học: "Gene regulation and signal transduction in the immune system" pptx
... expression in some contexts Indeed, newly synthesized I B (unlike the constitutive pool that inhibits NF- B activity) seems to function as a NF- B coactivator at the TNFα promoter Transcriptional control ... data on the role of the transcription factor Ikaros in B- cell fate determination in mice He showed that Ikaros has dual functions, promoting B- cell development by restraining the expression of ... found only at one gene) In contrast, some patterns were found at multiple genes; more than 3,000 genes, for instance, were marked by a ‘modification backbone’ consisting of 17 modifications By assaying...
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thoughts on the funding system, and its effects
... ancestry beyond the invention of the Funding System all the lands must have years ago passed into the possession of the government, to be distributed among the creditors of the state The population ... pensioners, the assertion would have been true; but the wealth of these men caused the poverty of all other classes Their splendour was raised on the misery of the people The benefits of the Funding System, ... existence to the necessity which the rich feel of consuming by the means of others that part of the produce of the earth which is too much for their own consumption; none of them contribute to the existence...
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An investigation on the root system of mangroves and its influence on current flow
... formulated to reach the objective stated in the previous section These questions form the basis for the structure of this thesis Each research question is elaborated herein and the corresponding chapters ... emergent vegetation The shallow submerged vegetation is considered with a medium submergence (1
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ROLE OF THE IMMUNE SYSTEM IN TUMOR PROGRESSION 1
... Pacific Blue FITC Pacific Blue FITC PE APC FITC Company Biolegend Biolegend Beckman Coulter Biolegend Biolegend Biolegend Biolegend Biolegend Biolegend Biolegend Biolegend Biolegend Biolegend Biolegend ... environment with its own secretions, making the microenvironment unique Therefore, the study of the cross-talk between cancer cells and the immune system must be analyzed in the context of the ... study interactions between the immune system and cancer – 1) it can be responsive to the immune system, 2) a large number of the antigens have been studied, 3) melanoma tumors share common antigens...
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ROLE OF THE IMMUNE SYSTEM IN TUMOR PROGRESSION 2
... ellipsoid shape, the longer diameter is proportional to the cubic root of the cell number Therefore the ratio between the diameters of tumors from control and depleted mice is given by: (3) 𝐷𝐷𝑐𝑐 ... of the experiment, N is the number of melanoma cells at the onset of the experiment, k is the fraction of proliferating cells, t is the duration of the experiment (6 weeks), τ is the duration ... proliferation At early time points, the population of melanoma cells in the lung can be described by the following equation (1): (1) 𝑁𝑁 = 𝑁𝑁0 𝑒𝑒 ( 𝜏𝜏 ) 𝑘𝑘𝑘𝑘 Where N is the number of melanoma cells at the...
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