genetic regulation of cell number normal and cancer cells

báo cáo khoa học: "Regulation of cell cycle transition and induction of apoptosis in HL-60 leukemia cells by lipoic acid: role in cancer prevention and therapy" ppt

báo cáo khoa học: "Regulation of cell cycle transition and induction of apoptosis in HL-60 leukemia cells by lipoic acid: role in cancer prevention and therapy" ppt

... Figure of Control1 cell growth and viability in HL-60 cells by LA Control of cell growth and viability in HL-60 cells by LA (A) Cells were treated with 0, 1, 2.5 and mM LA and the cell numbers ... Effects of LA on cell cycle phase distribution and the expression of various cell cycle regulatory proteins in HL-60 cells Figure Effects of LA on cell cycle phase distribution and the expression of ... percentage of apoptotic cells increased from 1.4% in control cells to 59.6% and 72.9% in 24 and 48 h, 2.5 and mM LA-treated cells, which might contribute to the growth inhibitory effects of LA (Fig...

Ngày tải lên: 10/08/2014, 22:20

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Tài liệu Báo cáo khoa học: miRNAs and regulation of cell signaling pptx

Tài liệu Báo cáo khoa học: miRNAs and regulation of cell signaling pptx

... cell death 4) in breast cancer cells The expression of miR-21 is also upregulated by overexpression of other ERK1 ⁄ activators, such as RASV12 and ID-1, in HER2 ⁄ neu-negative breast cancer cells ... of E2F and Myc [52] In tumor progression, the transcription repressors ZEB1 and SIP1 and the miR-200 family of miRNAs provide a double-negative-feedback loop that regulates the phenotype of cells ... role of miRNAs with respect to the complicated regulation of the transcriptome and signal transduction Although miRNAs and well-established cell signaling pathways have been the subject of recent...

Ngày tải lên: 14/02/2014, 19:20

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Báo cáo khoa học: "The Akt-inhibitor Erufosine induces apoptotic cell death in prostate cancer cells and increases the short term effects of ionizing radiation" pot

Báo cáo khoa học: "The Akt-inhibitor Erufosine induces apoptotic cell death in prostate cancer cells and increases the short term effects of ionizing radiation" pot

... correlates with the number of viable cells and was normalized to that of untreated controls PC3 (A) and DU145 (B) were not affected by ionising radiation whereas the number of viable LNCaP cells was reduced ... number of viable PC3 cells by approximately 50% whereas 50 µM ErPC3 were needed to affect the viability of DU145 (E) and PC3 cells (F) PC3 cells and the less ErPC3-sensitive LNCaP cells using flow ... Page of 12 Figure Anti-neoplastic effect of combined treatment with ErPC3 and ionizing radiation PC3 cells (A), DU145 cells (B), and LNCaP cells (C) were treated with increasing concentrations of...

Ngày tải lên: 09/08/2014, 09:20

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Surface functionalization of superparamagnetic iron oxide nanoparticles for potential cell targeting, imaging, and cancer therapy applications

Surface functionalization of superparamagnetic iron oxide nanoparticles for potential cell targeting, imaging, and cancer therapy applications

... (blue), and (c) combined with FITC and DAPI channels Scale bar=100 μm.  Figure 6-11 In vitro cytotoxicity profile of (a) free cisplatin, (b) Fe-PNs, and PtFe-PNs against UMUC3 bladder cancer cells Cells ... recognize and bind to the receptors that are upregulated on cancer cells but not expressed by normal cells Active targeting is particular useful for the delivery of drugs to reduce off-site toxicity and ... field of 3T as a function of iron concentration (mM) of SPIONs-PGMA-FA-1 in water.    Figure 4-7 (a) Intracellular uptake of SPIONs-PGMA-NH2 and SPIONsPGMA-FA-1 by KB cells as a function of incubation...

Ngày tải lên: 09/09/2015, 10:14

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Role of p73 in regulation of cell death  specific role in mitotic cell death and potential regulation of caspase  2s

Role of p73 in regulation of cell death specific role in mitotic cell death and potential regulation of caspase 2s

... the knockdown of Bubr1 and Mad2 in H1299 cells 103 Fig 3.26: Reduction in percentage of population of taxol treated cells undergoing apoptosis in p73, Bubr1 and Mad2 knockdown cells 104 Fig 3.27: ... level of Bubr1 and Mad2 after knockdown of p73 105 Fig 3.28: Different mechanism of action between p73 and Bubr1 and Mad2 in regulation of mitotic cell death 107 Fig 3.29: Knockdown of Bubr1 and ... Cytoplasmic and mitochondria fractionation 118 Fig 3.38: Up -regulation of bim after taxol treatment in p53-/- cells but not p73-/- cells 120 Fig 3.39: RT-PCR showing up -regulation of bim in p53-/- cells...

Ngày tải lên: 13/09/2015, 21:21

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The role of TRIP br proteins in the regulation of mammalian gene transcription and cell cycle progression

The role of TRIP br proteins in the regulation of mammalian gene transcription and cell cycle progression

... 1.6 Tissue culture cell lines 36 2.1 Maintenance and Handling of Tissue Culture Cells 37 2.2 Preparation of Competent Bacterial Cells 37 2.3 Transformation and Maintenance of Plasmid DNA 38 Methods ... Inhibition of cell proliferation by decoy peptides 74 Cell cycle analysis of U2OS cells after decoy peptide 76 treatment xi FIGURE 17: Protein expression analysis of cell cycle regulators in 79 U2OS cells ... novel E2F-responsive and TRIP-Brregulated gene 88 FIGURE 19A: Cell cycle analysis of U2OS cells at 48 hours postdecoy peptide treatment 92 FIGURE 19B: Cell cycle analysis of U2OS cells at 72 hours...

Ngày tải lên: 16/09/2015, 17:12

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Connecting brain tumor stem cells with their primary tumor and exploring glycogen synthase kinase  3ß regulation of cell fate

Connecting brain tumor stem cells with their primary tumor and exploring glycogen synthase kinase 3ß regulation of cell fate

... and proliferation of colon cancer cells both in vitro and in vivo65 In addition, GSK3β inhibition reduces pancreatic cancer cell survival and proliferation66, and studies conducted in hepatocellular, ... Cell Proliferation and Viability Assays To assess cellular proliferation rates, cells were harvested and plated into 96well plates at 5000 cells per well Wells containing media only without cells ... cells using AccutaseTM (eBioscience Inc., San Diego; non-trypsin-based) and seeded at a cell density of 104 cells per well (stemness markers)/ 104 cells per well (differentiation markers) of...

Ngày tải lên: 03/10/2015, 21:57

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Modeling Cell Cycle Control and Cancer with pRB Tumor Suppressor

Modeling Cell Cycle Control and Cancer with pRB Tumor Suppressor

... frequent types of cancer diagnosed in the United States in decreasing incidence are breast cancer, prostate cancer, lung cancer and colon cancer; yet lung cancer is the deadliest form of cancer in ... early studies of the cell cycle, deregulation of cell cycle components (cyclins, Cdks and CKIs) is observed in human cancer Indeed, direct genetic alterations and overexpression of numerous cyclins ... the loss of distinct neuronal cell types (photoreceptors for α-Cre, ganglion cells, photoreceptors and bipolar cells for Nestin-Cre or rod cells for Chx10-Cre) without the development of retinoblastoma...

Ngày tải lên: 25/10/2013, 21:20

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Tài liệu Báo cáo khoa học: The central role of CDE/CHR promoter elements in the regulation of cell cycle-dependent gene transcription pdf

Tài liệu Báo cáo khoa học: The central role of CDE/CHR promoter elements in the regulation of cell cycle-dependent gene transcription pdf

... responsible for cell cycle-dependent expression of the gene Surprisingly, deregulation of the promoter does not lead to loss of its activity but causes activation in resting cells and in G1 cells Therefore, ... identical to that of the CDE, with repression in resting cells and relief from downregulation later in the cell cycle Mutation of the CHR led to derepression of transcription in G0 cells [10] Genes ... G0 cells The Cdc25C gene is not expressed in resting cells or in cells in G1 phase Only in G2 phase can strong transcription of the gene be detected Mutation of the CDE in the Cdc25C promoter and...

Ngày tải lên: 16/02/2014, 09:20

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Tài liệu Histology of the Blood Normal and Pathological pptx

Tài liệu Histology of the Blood Normal and Pathological pptx

... certain cells and parts of cells have for basic, acid and neutral stains, was simply a foreshadowing of his work on the affinity that certain cells and tissues have for specific drugs and toxins; ... vessels, and their appearance in exudations and in pus The size of the eosinophils frequently exceeds that of the neutrophils Their number is normally about 2-4% of the white cells The mast cells ... preparation in the estimation of the important relation between the number of the red and of the white corpuscles; and also of the relative numbers of different kinds of white blood corpuscles For...

Ngày tải lên: 17/02/2014, 22:20

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Tài liệu REGULATION OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL doc

Tài liệu REGULATION OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL doc

... to Article 291 of the Treaty on the Functioning of the European Union and in accordance with Article 15 of Regulation (EU) No 1095/2010 of the European Parliament and the Council of 24 November ... Parliament and of the Council of 18 December 2000 on the protection of individuals with regard to the processing of personal data by the EU institutions and bodies and on the free movement of such ... except for paragraph of Article and paragraph of Article 8, which shall apply from the date of entry into force of this Regulation This Regulation shall be binding in its entirety and directly applicable...

Ngày tải lên: 19/02/2014, 14:20

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Báo cáo khoa học: Enzymes of creatine biosynthesis, arginine and methionine metabolism in normal and malignant cells Soumen Bera1, Theo Wallimann2, Subhankar Ray1 and Manju Ray1 potx

Báo cáo khoa học: Enzymes of creatine biosynthesis, arginine and methionine metabolism in normal and malignant cells Soumen Bera1, Theo Wallimann2, Subhankar Ray1 and Manju Ray1 potx

... Estimation of ornithine and GAA The considerable and significant activities of AGAT and arginase II in the three types of tumor cells prompted us to measure the level of GAA and ornithine in tumor cells ... malignant cells, and needs further investigation The presence of both AGAT and GAMT in EAC and S180 cells and in sarcoma tissue indicates that the upregulated proteins are entirely tumor -cell specific ... EAC and S180 cells were collected in normal saline (0.9% NaCl) from the intra-peritoneal cavity of mice, washed with 0.45% NaCl until it was free of red blood cells and finally suspended in normal...

Ngày tải lên: 07/03/2014, 04:20

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REGULATION OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL on the Cohesion Fund and repealing Council Regulation (EC) No 1084/2006 pot

REGULATION OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL on the Cohesion Fund and repealing Council Regulation (EC) No 1084/2006 pot

... examples of added value and of growth and job creating investment that could not have happened without the support of the EU budget However, the results also show the effects of dispersion and lack of ... in the integration of the Single Market whose size delivers markets and economies of scale to all parts of the EU, rich and poor, big and small The Commission's evaluation of past cohesion policy ... efficiency and the use of renewable energy RESULTS OF CONSULTATIONS WITH THE INTERESTED PARTIES AND IMPACT ASSESSMENTS 2.1 Consultation and expert advice EN EN Results of the public consultations of...

Ngày tải lên: 07/03/2014, 16:20

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Báo cáo Y học: Concerted regulation of free arachidonic acid and hormone-induced steroid synthesis by acyl-CoA thioesterases and acyl-CoA synthetases in adrenal cells pdf

Báo cáo Y học: Concerted regulation of free arachidonic acid and hormone-induced steroid synthesis by acyl-CoA thioesterases and acyl-CoA synthetases in adrenal cells pdf

... ACS4, in steroidogenic tissues The expression of ACS4 was observed in adrenal cortex cells, luteal and stromal cells of the ovary and Leydig cells of the testis [39] Moreover, it was demonstrated ... Y1 cell culture (data not shown) These results confirm the participation of ACS4 and of AA-CoA in the regulation of steroidogenesis in Y1 cells DISCUSSION AA is present in the plasma membrane of ... incubation of [1-14C]AA-CoA in the presence of the purified enzyme resulted in the release of AA Km and Vmax values obtained for the reactions were 4.1 and lM and 948 and 193 nmolÆmin)1Æmg)1 for CTE-I and...

Ngày tải lên: 08/03/2014, 09:20

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Guide to U.S. Regulation of Genetically Modified Food and Agricultural Biotechnology Products

Guide to U.S. Regulation of Genetically Modified Food and Agricultural Biotechnology Products

... Regulations: Office of Science and Technology Policy 1984 Proposal for a Coordinated Framework for Regulation of Biotechnology; Notice 49 Fed Reg 50856 (December 31, 1984) Office of Science and ... description of the purpose of the modification; • A description of identities of the host plant and donor DNA and information on how the genetically modified plant was engineered; 15 To date, the only genetically ... agencies have developed a number of regulations and guidelines that address the application of existing laws to biotechnology products.2 Laws and regulations may apply to the genetically modified...

Ngày tải lên: 13/03/2014, 21:59

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REGULATION OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL - On amending Regulation (EC) No 1060/2009 on credit rating agencies ppt

REGULATION OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL - On amending Regulation (EC) No 1060/2009 on credit rating agencies ppt

... supervision of CRAs in the EU - Number of breaches of CRA Regulation - Number of sanctions and penalty payments imposed in reaction to breaches - Number of onsite inspections - Number of supervisory ... application of substantive rules of CRA Regulation Indicators: • Number of breaches of CRA RegulationNumber of complaints received by the Commission from CRAs/users of ratings • Number of appeals ... the adoption of a regulation on fees and the amendment of the annexes (19) Directive 95/46/EC of the European Parliament and of the Council of 24 October 1995 on the protection of individuals...

Ngày tải lên: 15/03/2014, 07:20

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Báo cáo Y học: DNA supercoiling in Escherichia coli is under tight and subtle homeostatic control, involving gene-expression and metabolic regulation of both topoisomerase I and DNA gyrase docx

Báo cáo Y học: DNA supercoiling in Escherichia coli is under tight and subtle homeostatic control, involving gene-expression and metabolic regulation of both topoisomerase I and DNA gyrase docx

... sample and of pBR322 isolated from cells incubated for 30 with 0.1 mgámL)1 of coumermycin and 0.2 mgámL)1 rifampicin Topoisomerase concentration The topoisomerase I and DNA gyrase content of the cells ... determinations of the sum of the kinetic elasticity coef®cients (i.e 5.6 and 5.5) are in good agreement with each other Thus, 72% (5.6 of 7.8) of the homeostasis of DNA supercoiling in the wild-type cells ... study the regulation of cell function both comprehensively and fairly quantitatively Yet it is of crucial importance to evaluate how much of a given regulation is effected at the level of gene...

Ngày tải lên: 18/03/2014, 01:20

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Ruta 6 selectively induces cell death in brain cancer cells but proliferation in normal peripheral blood lymphocytes: A novel treatment for human brain cancer doc

Ruta 6 selectively induces cell death in brain cancer cells but proliferation in normal peripheral blood lymphocytes: A novel treatment for human brain cancer doc

... brain cancer cells, both in vivo and in vitro, and survival-signaling pathways in normal B and T lymphocytes Discussion Figure FACS analyses of MGR1 brain cancer cells and normal B-lymphoid cells ... analysis data of Ruta 6-treated cells showed the accumulation of more subdiploid cells in MGR1 glioma cancer cells (40.8%) than in B-lymphoid cells (3%), suggesting that more brain cancer cells were ... only cancer cells but also normal cells, the Ruta + Ca3(PO4)2 combination kills glioma brain cancer cells selectively and protects normal lymphocytes by inducing cell division in blood-forming cells...

Ngày tải lên: 22/03/2014, 17:20

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Báo cáo khoa học: Study of uptake of cell penetrating peptides and their cargoes in permeabilized wheat immature embryos pot

Báo cáo khoa học: Study of uptake of cell penetrating peptides and their cargoes in permeabilized wheat immature embryos pot

... calculated as the number of embryos showing transient GUS gene expression ⁄ total number of embryos in a treatment · 100 length proteins in human carcinoma A549 cells, H1299 and monkey Cos-1 cells has ... system, penetration of fluorescently labeled peptides in Madin–Darby canine kidney renal epithelial cells and CaCo-2 colonic carcinoma cells has been achieved by treatment with the cell membrane permeabilizing ... the cells Recent reports in mammalian cells further suggest that macropinocytosis may be involved in the cellular translocation of CPPs [18,21,23,38] Accordingly, we investigated the effect of...

Ngày tải lên: 23/03/2014, 07:20

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