the epigenetics of brain tumors
EVOLUTION OF THE MOLECULAR BIOLOGY OF BRAIN TUMORS AND THE THERAPEUTIC IMPLICATIONS pdf
... provided the original work is properly cited 4 Evolution of the Molecular Biology of Brain Tumors and the Therapeutic Implications high grade gliomas The structure and compounds of the ECM of the brain ... (components of the lamina basalis), the β-subunit is the transmembrane part that binds to dystrophin Overexpression of dystroglycan decreased Evolution of the Molecular Biology of Brain Tumors and the Therapeutic ... cells, Therefore the application of HA oligomers can be an effective agent for inhibiting the for‐ 13 14 Evolution of the Molecular Biology of Brain Tumors and the Therapeutic Implications mation of...
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Báo cáo khoa học: Insights into the activation of brain serine racemase by the multi-PDZ domain glutamate receptor interacting protein, divalent cations and ATP ppt
... concentrations of the substrate l-serine in the absence of additional ATP (Fig 3C) We were able to determine that binding of this fragment of GRIP to SR changed both the Km and the Vmax of the reaction The ... neither the PDZ4, nor the PDZ5 domain of GRIP bind to the GluR2 subunit of the AMPA channel independently, with the concerted action of both being necessary for the association [15] Analysis of ... Activation of brain SR requires the presence of GAP2 together with PDZ7 Interestingly, in the absence of additional ATP, the activation induced by the presence of the PDZ4PDZ5-PDZ6-GAP2-PDZ7-end of GRIP...
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Báo cáo khoa học: D-Amino acids in the brain: the biochemistry of brain serine racemase potx
... whereas the latter associates with the GluR2 subunit (D) The simultaneous phosphorylation of the GluR2 subunit of the AMPAR together with the phosphorylation of serine racemase releases GRIP to the ... characterization of the role of the interaction of serine racemase and PICK1 is needed to judge the importance of these observations Surely the L-Ser interaction of PICK1 with PKC leads to the temptation ... activating the enzyme [14] In the absence of AMP, the Km of E coli Thr deaminase for Thr was 70 mm and it decreased to mm in the presence of the nucleotide [15] The residues participating in the binding...
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the mit press the handbook of brain theory and neural networks second edition nov 2002
... cross-references to other articles in the Handbook These may occur either in the body of the article in the form THE TITLE OF THE ARTICLE IN SMALL CAPS, or at the end of the article, designated ... at the level of the Scientific American) while still providing a clear view of much of the recent specialized research The heart of the book comes in Part III, in which the breadth of brain theory ... soma (cell body) constitute the major part of the input surface of the neuron The axon is the “output line.” The tips of the branches of the axon form synapses upon other neurons or upon effectors...
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Báo cáo khoa học: " Neuropsychological testing and biomarkers in the management of brain metastases" doc
... Chemotherapy for brain metastases The role of conventional chemotherapy has traditionally been limited by the presence of the blood brain barrier and by the potential resistance to chemotherapeutic ... success of chemotherapy will hinge on the development of new agents that have improved penetration into CNS CNS effects of radiation therapy for brain metastases WBRT, the standard of care for brain ... measures are the Barthel index and the Functional Assessment of Cancer Therapy -Brain (FACT-Br), which previously have been used in studies of patients with brain metastases[56,63] The Barthel Index...
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Báo cáo y học: "Minimizing charges associated with the determination of brain death" pdf
... order to measure the impact of altering the use of the brain death determination protocol at the University of Pennsylvania Medical Center, in an attempt to decrease the time between the first examination ... with brain death and actual legal determination of brain death (brain death stay) The impact on the organ procurement process, including hospital charges, length of brain death stay, and number of ... prominent in those with brain death, allowing definition of the contours of the head in such subjects (Fig 2) For each patient in group I, the specific timing of the first and second brain death examinations...
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Báo cáo y học: "The interpretation of brain natriuretic peptide in critical care patients; will it ever be useful" pps
... haemorrhage [12] Some distinctions can be made in terms of absolute BNP concentrations observed in different conditions, but the plethora of potential causes of cardiac dysfunction and thus BNP release in ... [14] have suggested that BNP is valuable in the assessment and prediction of outcome in cardio-renal syndrome type It is clear that the interpretation of BNP concentrations in critical care is ... with difficulty, but in selected patients there are indications that its use may be of value in predicting outcome and perhaps in the future also in guiding therapy Abbreviations BNP = B-type natriuretic...
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Báo cáo y học: "Changes in gene expression during the development of mammary tumors in MMTV-Wnt-1 transgenic mice" ppt
... regardless of whether the tumors have additional genetic alterations It is not known whether the modest differences in RNA levels we identified among these groups of tumors explain the accelerating ... mice [34,35] To further investigate the influence of these genetic alterations on expression patterns in MMTVWnt-1-induced tumors, we determined the expression profiles of six tumors from MMTV-Wnt-1 ... downregulated the genes that are associated with adipocytes In order to identify these genes, we compared the expression profiles of a set of three fat samples with those of the 35 mammary tumors from...
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Level set segmentation of brain tumors in magnetic resonance images
... Organization of the thesis 1.6 Organization of the thesis The remaining chapters of the thesis is organized as follows Chapter surveys a variety of techniques proposed in the literature for the brain ... the segmentation of brain in the MR images This chapter provides an overview of the approaches used to solve the problem of the brain tumor segmentation Therefore, the focus of this section may ... registered brain atlas as a model for healthy brains Then, they make use of the robust estimates of the location and dispersion of the normal brain tissue intensity clusters to determine the intensity...
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báo cáo hóa học:" Recent progress towards development of effective systemic chemotherapy for the treatment of malignant brain tumors" docx
... between endothelial cells of the BBTB to enhance the permeation of drugs across the BBTB[34,47,48] The overall ineffectiveness of these approaches can be attributed to the fact that there is only ... to improve the effectiveness of systemic chemotherapy The novel strategy that I propose here to improve the effectiveness of systemic chemotherapy in the treatment of malignant brain tumors is ... Significance of the luminal glycocalyx layer of the BBTB of malignant brain tumor microvasculature The well-defined physiologic upper limit of pore size in the BBTB of 12 nm would be attributable to the...
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Báo cáo hóa học: " Abstract Despite new additions to the standard of care therapy for high grade primary malignant brain tumors, the prognosis for patients with this disease is still poor." ppt
... that the overall number of open trials is encouragingly higher However, while the number of cellular therapy trials remained the same, the clear trend was towards an increase in the number of vaccine ... IL-13Ra1 Since nearly 80% of high grade primary brain tumors express IL-13Ra2, but normal brain cells not, the effector cells target the glioma cells [11-14] Delivery of the gene-modified allogeneic ... and quality of life to become integrated into the standard of care regime [5,52-54] The number of slots open for patient accrual to the immunotherapy protocols contained in our list of open trials...
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Báo cáo y học: "Technical Considerations in Decompressive Craniectomy in the Treatment of Traumatic Brain Injury"
... angles of the dural opening The most significant step involves constructing small supporting pillars on the bilateral sides of the vessels as they pass the edge of the dural window (the pillars ... similar to circular decompression, the area of the skull removed is small and the room that it can provide for the expansion of the brain is restricted; furthermore, this procedure may lead to ... this could maximize brain expansion after removal of part of the skull However, opening the dura with no protection for the underlying brain tissue may increase the risk of several secondary...
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Báo cáo khoa học: Post-ischemic brain damage: the endocannabinoid system in the mechanisms of neuronal death ppt
... 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 ... mechanism? Modulation of excitatory and inhibitory neurotransmission The almost ubiquitous presence of the endocannabinoid machinery in every cell of the CNS, together with the high level of CB1 receptor ... targets for the development of novel stroke therapies has been stimulated by the detailed description of the endocannabinoid system in the mammalian brain This has been accomplished thanks to the current...
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Báo cáo khoa học: EcR expression in the prothoracicotropic hormoneproducing neurosecretory cells of the Bombyx mori brain ppt
... pattern of expression RpL32 expression did not differ between the two parts of the brain Cell-specific expression of EcR isoforms as revealed by in situ hybridization The spatial specificity of EcR-A ... distribution of gene expression (C) RT-PCR analysis of EcR expression using RNA from the anterior (A) and posterior (P) part of the brains The number of PCR cycles is indicated above the panel 3862 ... detected in the tritocerebrum and the optic EcR expression in PTTH cells of Bombyx mori brain lobe of day-2 pupae: a crucial stage for the morphological and neurological reorganization of the brain...
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Báo cáo khoa học: Oxidative stress is involved in the permeabilization of the inner membrane of brain mitochondria exposed to hypoxia/reoxygenation and low micromolar Ca2+ Lorenz Schild1 and Georg Reiser2 doc
... For the calibration of the oxygen electrode, the oxygen content of the air-saturated incubation medium was taken to be 217 nmolÆmL)1 [49] Immunoblotting of cytochrome c A volume of mL of the ... on the type of brain ischemia (focal or global) and the animal species (rat or mouse) The in vivo application of the Mito Tracker Red CMH(2)Xros, a rosamine derivative used for the detection of ... s)1Æmg)1 of mitochondrial protein The decrease in the fluorescence signal recorded at the moment of reoxygenation is caused by dilution due to the addition of mL medium To investigate whether the generation...
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Báo cáo khoa học: Epigenetics: the study of embryonic stem cells by restriction landmark genomic scanning pptx
... is the establishment of embryonic stem (ES) cells, which maintain the ability to form all types of cells in the body, and can differentiate into a variety of cell types in vitro [8] The use of ... repetitive sequences Analysis of the DNA methylation profile for therapeutic use of human ES cells in regenerative medicine The potential use of human ES cells in the field of regenerative medicine ... differences of the source embryos Although the number of cell passages and culture conditions, such as the existence of serum or feeder-layer, affected neither morphology nor expression of cell markers,...
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Báo cáo khoa học: An enzymatic mechanism for generating the precursor of endogenous 13-cis retinoic acid in the brain docx
... (inset) of the 13cROL standard The x-axis of inset in (F) represents wavelength (nm) (G, H) For further confirmation of the identity of generated 13cROL, the 13cROL standard was spiked into the reaction ... of 61 kDa, which is identical to that of the recombinant 13cIMH, although the intensity was lower than that of the recombinant protein (Fig 7B) The molecular weight of the band also matched the ... region of the brain; thus, 13cIMH was diluted in the whole brain homogenates or membrane fraction so that its activity was not detected as a result of the sensitivity of the assay To determine the...
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martin - the organisation of conceptual knowledge in the brain (psychology press, 2003)
... interpret these and other aspects of the behaviour of their patients as posing difficulties for both the domain-specific and the standard form of S/ FT They go on to argue that the heterogeneous set of ... authors themselves A major emphasis has been on whether the results support one or another theory of the organisation of conceptual knowledge in the brain In this effort, we have presented the three ... form 20 THE ORGANISATION OF CONCEPTUAL KNOWLEDGE IN THE BRAIN INTRODUCTION A central issue in the cognitive brain sciences is the organisation of conceptual knowledge in the human brain The neuropsychological...
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scientific american day in the life of your brain
... is often described in three parts, from the bottom up, just the way your brain evolved over millennia The primitive brain the brain stem or hindbrain—that sits at the top of the spine is the ... regions of the cerebral cortex the four lobes of the thinking brain 25 c02_2.indd 25 6/25/09 9:58 AM 26 The Scientific American Day in the Life of Your Brain The Seat of Consciousness The associative ... groups of neurons or parts of the brain, or that consciousness is a process rather than a place in the brain They agree that the development of consciousness seems to rely on the huge number of links...
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