egcg and metal ions corroded from dental casting alloys on cell cycle progression and apoptosis in cells from oral tissues
Báo cáo khoa học: Heavy metal ions inhibit molybdoenzyme activity by binding to the dithiolene moiety of molybdopterin in Escherichia coli pdf
... result in their insertion into MPT (data not shown) In addition, we tested the insertion of metal ions into MPT-containing hSO None of the metals was inserted into hSO (Fig 3B), which is consistent ... by binding to zinc binding proteins, e.g proteins that contain zinc finger protein structures [30] Zinc and cadmium are in the same group in the Periodic Table, contain the same common oxidation ... from nonspecific metal insertion A B Results Investigation of metal ion insertion into hSO during heterologous expression in E coli The expression of hSO in an E coli modC) strain [38] results in...
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Tài liệu Báo cáo khoa học: Protein kinase CK2 activates the atypical Rio1p kinase and promotes its cell-cycle phase-dependent degradation in yeast pdf
... aprotinin, leupeptin and pepstatin, twice in kinase buffer, and used for in vitro kinase assays In vitro kinase assays Recombinant human protein kinase CK2 holoenzyme (0.5 U, corresponding to ... sequence variation resides in the extreme N- and C-terminal portions [13] We found that Rio1p plays a role in cell- cycle progression Yeast cells deprived of RIO1 lose minichromosomes at an increased ... yeast strain is indistinguishable from the wild-type Two independent clones were tested in all cases Maximum deviations are indicated by bars (B) Logarithmically growing cells were stained with...
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Báo cáo khoa học: ATP-binding domain of heat shock protein 70 is essential for its effects on the inhibition of the release of the second mitochondria-derived activator of caspase and apoptosis in C2C12 cells potx
... co-staining and analyzed by flow cytometry Q3 cells were regarded as control cells, whereas Q4 cells were considered as a measure of early apoptosis, Q2 cells were considered as cells at late apoptosis and ... Over-expression of HSP70 inhibits oxidative stress-induced apoptosis in C2C12 myogenic cells We next examined the effects of HSP70 over-expression on oxidative stress-induced apoptosis in C2C12 myogenic cells ... ATP-binding domain of HSP70 is essential for the inhibition of H2O2-induced activation of caspases-9 and -3 and apoptosis (A) The effects of HSP70 and its deletion mutant proteins on the activation...
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Báo cáo sinh học: "Differences in the way a mammalian cell and yeast cells coordinate cell growth and cell-cycle progression" ppt
... most populations of proliferating eukaryotic cells in culture, including yeast cells and mammalian cells, the mean cell size remains constant over time, even though individual cells vary in size ... least in these conditions As explained in the Background, this means that cellsize checkpoints need not be invoked to explain why these cells maintain a constant average size (Figure 2) and cellsize ... Schwann cells that had been proliferating in serum-free medium to serum-containing medium We plated these ‘switched’ cells and the cells maintained throughout the experiment in serum-containing medium...
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Báo cáo khoa học: " Loratadine dysregulates cell cycle progression and enhances the effect of radiation in human tumor cell lines" pot
... 5B, the percent of cells in G2 did not increase following radiation in loratadinetreated cells In contrast to cells exposed to radiation alone, the loratadine-treated irradiated cells had returned ... 58%) Interestingly, despite inducing a G2 block, loratadinetreated cells clearly dominated the cell cycle delay and radiation with loratadine did not cause additional cell cycle delays As shown in ... sample In contrast to the radiationonly cells, the gH2AX signal in the cells treated with loratadine and radiation remained elevated at and 24 hours without evidence of diminution Cells treated...
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báo cáo khoa học: "Osthole induces G2/M arrest and apoptosis in lung cancer A549 cells by modulating PI3K/Akt pathway" pptx
... anticancer-drug extracted from herbal medicine [23] Cell cycle arrest can trigger proliferation inhibition and apoptosis in cancer cells [24,25] During cell cycle, the G2/M checkpoint is a potential ... able to inhibit the migration and invasion of breast cancer cells [15] Osthole may be a good compound for developing anticancer drugs The induction of cell cycle arrest and apoptosis are common mechanisms ... than in the drug-free group The proportion of apoptotic cells in treated cells were increased in a dose-dependent manner After incubation with different concentrations of Osthole (0, 50, 100, and...
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báo cáo khoa học: "Adenovirus-mediated delivery of bFGF small interfering RNA reduces STAT3 phosphorylation and induces the depolarization of mitochondria and apoptosis in glioma cells U251" pdf
... antagonizes the STAT3 pathway activation and depolarizes membrane potentials to induce depolarization of mitochondria and apoptosis in U251 cells In conclusion, as one of the new avenues in gene ... levels in the Ad-GFP and control groups 3.3 Correlation between pSTAT3 down-regulation and IL6 secretion induced by Ad-bFGF-siRNA GBM cells secrete IL-6 both in an autocrine and localcrine way, and ... working solution After that, the staining solution was removed by centrifugation at 600 g for 3-4 and cells were washed twice with JC-1 staining × buffer Finally, cells were resuspended in 0.6...
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Báo cáo khoa học: "Cysteine protease activation and apoptosis in Murine norovirus infection" docx
... uninfected cells treated with Boc-D-fmk remained viable and morphologically indistinct from control cells Blebbing, swelling, and cytoplasmic leaking were evident in cells infected in the presence ... occurring in the caspase inhibited and non-inhibited infected RAW264.7 cells, two additional stains were used Hoechst staining is commonly used to detect chromatin condensation due to fragmentation ... condensation Affinity purification and protein identification Cells were grown in 175 cm2 flask until confluent and infected as previously mentioned At 12 hpi, mockinfected and infected cells were...
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The role of TRIP br proteins in the regulation of mammalian gene transcription and cell cycle progression
... PHD zinc fingerbromodomain proteins PHD zinc finger protein Bromodomain protein PHD zinc finger proteins PHD zinc finger protein Composite PHD zinc fingerbromodomain proteins PHD zinc finger ... seruminduced cell cycle progression INTRODUCTION (1) The Plant Homeodomain (PHD) zinc finger and the bromodomain (1.1) PHD zinc fingers and bromodomains are evolutionarily conserved secondary ... Presentations & Publications arising from PhD Thesis xviii Abstract Introduction The Plant Homeodomain (PHD) zinc finger and the bromodomain 1.1 PHD zinc fingers and bromodomains are evolutionarily conserved...
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Báo cáo khoa học: b-Amyloid protein oligomers induced by metal ions and acid pH are distinct from those generated by slow spontaneous ageing at neutral pH docx
... observed in the presence of all metals than in incubations lacking metal ions Preparations with Zn2+, Cu2+ and Fe2+ showed the highest concentrations of Ab aggregates (P < 0.05) compared with the control ... observed on non-SDS/PAGE was strongly inhibited by Zn2+ and Cu2+, weakly inhibited by Ca2+ and Fe2+ and largely unaffected by Mg2+ Effect of pH and metal ions – CR binding and sedimentation analysis ... aggregation in solution The aggregates observed after aging were larger than in the fresh solutions (panel B) The addition of Zn2+ ions to the solution during ageing at pH 7.4 resulted in some...
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Development of multifunctional membranes for visual detection and adsorptive removal of heavy metal ions from aqueous solutions
... 2.5 million tons of lead throughout the world Electroplating industries, metal furnishing industries, burning of leaded gasoline, mining and metallurgic industries, and trash incineration are by ... multifunctional membrane in real applications as HA may influence the speciation, solubility and transport of heavy metal ions in aqueous solutions; react with indicators and functional groups on the ... factors, including the amount of immobilized indicators, solution pH, solution ionic strength, initial heavy metal concentrations, the presence of interference ions and co-existed organic contaminants...
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Study properties and mechanisms adsorption heavy metal ions on materials made from red mud
... have demonstrated the ability to adsorb other heavy metal ions in the subject Continue Continue theoretical study adsorption mechanisms other metal ions in aqueous solution on the adsorption center ... adsorption, BOS complexing Hydrated- style FOOH(101) - (1×1×3) via strong hydrogen bonds (by short link length) is reasonable 28 28 THE MAIN CONCLUSIONS AND RECOMMENDATIONS OF THE THESIS THE MAIN CONCLUSIONS ... centers in the world - Explain adsorption mechanism of heavy metal ions Cd 2+, Cu2+, Zn2+ and As(V) in water on geothite center - The contents of the thesis shows the close relationship and support...
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Investigation on K2Ti4O9 Whisker Absorbent and Applications in Heavy Metal Ions Removal
... increases, which results in more metallic ions absorbed and less ions remain in water in equilibrium, showing as the removal of metallic more ions In the mean time, as the ion content in water decreases, ... or honeycomb, of PTW by mixing and calcining with a suitable binder material Research in this area is being done in Shandong University ACKNOWLEDGMENT This research was founded by The National ... Journal of Water and Environment Technology, Vol.5, No.1, 2007 CONCLUSIONS AND FURTHER CONSIDERATION PTW has a high absorption capability for Pb2+ and Cd2+ The absorption efficiency increases with...
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Báo cáo khoa học: Metal ions modulate the folding and stability of the tumor suppressor protein S100A2 docx
... detailed knowledge on how Zn2+ ions modulate the conformation and stability of S100A2 will contribute to a better understanding of the regulation of protein function by metal ions, in particular as ... than in the apo state, and ⁄ or that metal binding increases the subpopulations of native protein with slightly different conformations However, occupation of the metal sites by Zn2+ or Ca2+ ions ... denaturation experiments For all proteins, the far-UV CD spectra obtained at increasing urea concentrations denoted a transition from a-helix to random conformations, apparently via intermediate...
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CONFLICTS OF INTEREST IN THE HOLLYWOOD FILM INDUSTRY: COMING TO AMERICA - TALES FROM THE CASTING COUCH, GROSS AND NET, IN A RISKY BUSINESS pdf
... vhqwhg e| wkhlu uhvshfwlyh xqlrqv zkr zdwfk rxw iru wkhlu lqwhuhvwv1 Lw lv wkh deryh wkh olqh ironv wkh fuhdwlyh shrsoh= wkh dfwruv/ gluhfwruv/ zulwhuv/ hwf1 zkr pdnh wkh kljk vdodulhv dqg uhfhlyh ... lv frxqwhu wr vwdwh dqg ihghudo odz/ lw pd| eh d fulph zlwkrxw d ylfwlp1#$ Dv rqh odz|hu zkr wdonhg zlwk xv r wkh uhfrug vdlg/ lw*v sduw ri wkh zdjhv rq erwk vlghv ri wkh h{fkdqjh1#% Ixuwkhu/ ... zkroo| f|qlfdo lqgxvwu| wkdq rqh pljkw h{shfw1 Wkh lqgxvwu| lv exlow lq sduw rq vh{/ vr vh{| wdon r wkh vhw lv frpprq dqg d vhoolqj srlqw lq wkh jrvvls qhwzrun zklfk jhqhudwhv d juhdw ghdo ri...
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Study of polyamine functionalized PGMA beads as adsorbents for the removal of heavy metal ions from aqueous solutions
... analysis 6.3.5 Selectivity and stability constant 162 162 165 167 170 173 6.4 Conclusions 176 CHAPTER CONCLUSIONS AND RECOMMENDATIONS 177 7.1 Conclusions 178 7.2 Recommendations and future work 181 ... were at equal initial concentrations, pH = MINEQL+ was used to examine the speciation of the five metal ions and no precipitation was formed for each of the metal ion in mixed metal ion species ... ions is usually the wastewaters from various industries such as electroplating, mining, electric device manufacturing, and metal finishing, etc Heavy metal ions are toxic, non-biodegradable and...
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THE POSSIBILITY OF ELIMINATING METAL IONS FROM INDUSTRIAL SEWAGE BY USING ALUMINUM HYDROXIDE
... combining and precipitating with ions in sewage, thereby eliminating those ions from sewage (Chang & Cruickshank, 2003) Table Ionization of aluminum hydroxide Solution property Ionization equation ... the concentration of ions that might increasing must be monitored and controlled carefully After the eliminating process, the metal ions concentration must be measured Additional eliminating ... best condition for eliminating the metal ions by aluminum hydroxide Table 15 Particular conditions for eliminating each metal ions Metal Property Temperature pH (℃) Mixing time (min) Co wet 80...
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Membrane development for metal ions and anions separation
... removal of both cations and anions General conclusions drawn from this thesis are summarized in Chapter Five Inclusive in this ending chapter are some recommendations and suggestions for future research ... extraction, chromatography and ion exchange for separation and purification [78-80] From a practical point of view, separation membranes find applications in the industrial [81, 82], biomedical, and ... but retaining the same flux, resulting in lower energy costs and investment savings on lower pressure pump and piping In addition, this kind of membrane structure implies that the retention of...
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Báo cáo y học: "Does switching from oral extended-release methylphenidate to the methylphenidate transdermal system affect health-related quality-of-life and medication satisfaction for children with attention-deficit/hyperactivity disorder&
... controls on medication administration, including optimal dosing for the compared agents, as well as the use of blinded evaluators, and a validated medication satisfaction instrument Conclusion This ... http://www.capmh.com/content/3/1/39 titration purposes, response to MTS was categorized by the investigator into of conditions and associated actions: "Intolerable" (unacceptable safety profile); "Ineffective" (if the ... multi-item scales to assess medication ten- sion/worry (3 items regarding tension in administering and taking ADHD medication) and missed-doses worry (4 items regarding worry about the number of daily...
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Application and Comparison of Two Biotic Ligand Models Predicting Copper Toxicity and Accumulation in Heavy Metal Tolerant Moss
... cupric ion, and Min+ is the competing cation that inhibits copper toxicity and accumulation In this study, calcium ion and proton were assumed to be the only competing cations WHAM VI (The Windermere ... (2007) investigated the effects of pH on short-term uptake of manganese and cadmium into Chlamydomonas reinhardtii, and they concluded that the increase in proton concentration inhibits the metal internalization ... internalization flux non-competitively by binding to a binding site other than BL In addition, changes in the conformation of BL caused by this binding of proton result in decreases in the number...
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