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Reid, Gregor,Potter, Patrick,Lam, Dominique,Warren, Diny,Borrie, Michael,Hayes, Keith The Korean Society of Food Science and Nutrition 2003 Preventive Nutrition and Food Science Vol.8 No.1
There is evidence to suggest that cranberry juice supplements improve the health of the urinary tract by inhibiting the binding of fimbriated uropathogenic E. coli to the bladder mucosa. In patients with neurogenic bladders, urinary tract infections (UTI) are particularly common and often poorly managed by antibiotic treatment. A double-blind, randomized, placebo-controlled trial was undertaken on 29 geriatric and spinal cord injured patients with dysfunctional bladders. They received three times daily at mealtimes a 4 oz bottle of cranberry juice (Ocean Spray Cranberries, USA) or a specially prepared synthetic placebo drink. Two episodes of UTI arose in week one of cranberry intake and none thereafter, compared to four episodes of UTI in 4 placebo patients in weeks four, six and 10. Mean bacterial adhesion counts on bladder cells of the patients rose during the first month of treatment in 71 % of the placebo patients compared to only 31 % of cranberry patients (p < 0.001). The difference persisted to some extent for the second and third months. Bacterial adhesion levels correlated with culture findings (higher adhesion and higher viable counts in urine) (p < 0.001), positive leukocyte nitrite tests (136$\pm$131 bacteria per cell versus 52$\pm$86 in negative tests) (p < 0.001), and higher white blood cell counts (> 10) per high power field (126$\pm$125 versus 48$\pm$85 bacteria per cell) (p<0.001). E. coli was the most frequently isolated organism (40% samples) followed by K. pneumoniae (17%) and a number of other uropathogens. Group B Streptococci, and coagulase negative Staphylococcus were recovered from urine in 4 samples but were not associated with any red blood cell presence. The daily intake of cranberry juice, in amounts which are not detrimental to long term compliance, appeared to have a role in reducing the risk of bladder colonization and infection in a highly susceptible patient population.
Gregor Reid,Patrick Potter,Dominique Lam,Diny Warren,Michael Borrie,Keith Hayes 한국식품영양과학회 2003 Preventive Nutrition and Food Science Vol.8 No.1
There is evidence to suggest that cranberry juice supplements improve the health of the urinary tract by inhibiting the binding of fimbriated uropathogenic E. coli to the bladder mucosa. In patients with neurogenic bladders, urinary tract infections (UTI) are particularly common and often poorly managed by antibiotic treatment. A double-blind, randomized, placebo-controlled trial was undertaken on 29 geriatric and spinal cord injured patients with dysfunctional bladders. They received three times daily at mealtimes a 4 oz bottle of cranberry juice (Ocean Spray Cranberries, USA) or a specially prepared synthetic placebo drink. Two episodes of UTI arose in week one of cranberry intake and none thereafter, compared to four episodes of UTI in 4 placebo patients in weeks four, six and 10. Mean bacterial adhesion counts on bladder cells of the patients rose during the first month of treatment in 71% of the placebo patients compared to only 31% of cranberry patients (p<0.001). The difference persisted to some extent for the second and third months. Bacterial adhesion levels correlated with culture findings (higher adhesion and higher viable counts in urine) (p<0.001), positive leukocyte nitrite tests (136±131 bacteria per cell versus 52±86 in negative tests) (p<0.001), and higher white blood cell counts (>10) per high power field (126±125 versus 48±85 bacteria per cell) (p<0.001). E. coli was the most frequently isolated organism (40% samples) followed by K. pneumoniae (17%) and a number of other uropathogens. Group B Streptococci, and coagulase negative Staphylococcus were recovered from urine in 4 samples but were not associated with any red blood cell presence. The daily intake of cranberry juice, in amounts which are not detrimental to long term compliance, appeared to have a role in reducing the risk of bladder colonization and infection in a highly susceptible patient population.
A parametric study of indicial function models in bridge deck aeroelasticity
Borri, C.,Costa, C. Techno-Press 2004 Wind and Structures, An International Journal (WAS Vol.7 No.6
In common approaches, bridge dynamics under wind action is analyzed by modeling the interaction between fluid and structure by means of transient wind loads acting over the structure itself. Amid various possible manners to describe such types of loads, a representation based on families of 'indicial functions' is adopted here. The aim is to investigate its flexibility to capture the main features of wind-bridge interaction. A set of coefficients is involved in indicial functions. The values that one may attribute to them suffer uncertainties coming from experimental errors affecting data. Here, the sensitivity of a 2-DOF schematic model to the variations of these coefficients is investigated at fixed values of dynamic derivatives and for various types of indicial functions. It is shown how parameter variations influence phase portraits.
Mark Borris D Aldonza,홍지영,이상국 생화학분자생물학회 2017 Experimental and molecular medicine Vol.49 No.-
Chemotherapy-induced cancer cell secretomes promote resistance due, in part, to a predominant glycolytic energy metabolism, which drives aggressive cancer cell proliferation. However, the characterization of these secretomes and the molecular events that associate them with acquired drug resistance remain poorly understood. In this study, we show that secretomes of cancer cells with high-level paclitaxel resistance stimulated cell proliferation and suppressed drug-induced apoptosis of drug-sensitive cells. We also found that drug (docetaxel)-stimulated induction of interferon-α (IFN-α), IFN-λ and tumor necrosis factor-α (TNF-α) release in drug-sensitive cells was lowered by these secretomes. The promotion of cell proliferation by paclitaxelresistant (PacR) cancer cell secretomes was associated, in part, with an increase in S phase of the cell cycle and downregulation of the cell death pathway that supports escape from apoptosis. In addition, we also found that the regulation of targeted glycolysis in PacR cancer cells alters the effects of the secretomes on cell growth, apoptosis, ATP generation and acquired drug resistance. Further study revealed that the deletion of FOXO3a transcription exacerbates glycolytic shift-induced apoptosis by rescuing TRAIL expression. By generating a docetaxel–cross-resistant PacR cancer cell line (PacR/DCT), we further clarified the role of FOXO3a in glycolysis-associated mediation of P-glycoprotein/ABCB1 hyperactivity that induces docetaxel cross-resistance. These findings suggest that suppression of the cellular energy supply by targeting glycolysis may inhibit the multiplicity of acquired chemotherapy resistance. Therefore, the therapeutic inhibition of FOXO3a might direct glycolysis to induce apoptosis and overcome multidrug resistance in cancer cells.
Surface Structure of Mo / H - ZSM5 Catalyst for CH4 Activation
Kim, Young Ho,Borry, Richard W.,Enrique Iglesia 한국공업화학회 1999 응용화학 Vol.3 No.1
Mo/H-ZSM5(0-8wt% Mo) catalysts for CH, aromatization were prepared from physical mixtures of MoO₃ and H-ZSM5. Surface diffusion of MoO_x species occurs at 623 K, and migration continues outside ZSM5 crystallites up to 773 K. If the Mo loading is higher than that which forms a single layer of MoO_x on the external surface of zeolite, Mo will be lost via sublimation of (MoO₃)_n oligomers or will destroy the ZSM5 framework by extracting Al to form inactive Al₂(MoO₄)₃ domains. Between 773-973 K, gas-phase transport of Mo also becomes important as Mo migrates inside zeolite channels, exchanges at acid sites and condenses to produce H₂O. Loss of H as H₂O during catalyst preparation and titration of remaining H^+ sites indicates exchange of one H per Mo added to H-ZSM5, consistent with a proposed structure of (Mo₂O_5)^+2 ditetrahedra located at two cation exchange sites.
Catalytic Properties of Mo/HZSM-5 for CH4 Aromatization
Kim, Young Ho,Iglesia, Enrique,Borry, Richard W . 한국공업화학회 2000 Journal of Industrial and Engineering Chemistry Vol.6 No.2
The catalytic properties of Mo/HZSM-5 for CH₄ aromatization were studied using a transient kinetic experiment. The rate of CH₄ conversion to higher hydrocarbons increased markedly as the exchanged MoO_x. species reduced and carburized during CH₄ reactions at 950 K. After the removal of about one O atom per Mo, the reduction/carburization rate decreased and the hydrocarbon formation rate began to increase until it reached the maximum ethylene and benzene formation rates as the amount of oxygen removed (O/Mo) reached 1.5-2.0. The reduction and carburization formed CO, CO₂, H₂O, and H₂ and led to the removal of 2.5 oxygen atoms per Mo, consistent with the removal of all oxygens from the exchanged Mo₂O_5^(2-) surface species: During CH₄ reactions, each MoC_x contained species with C_5H_x average stoichiometry, while the acid sites appeared to stabilize large carbocations with 8.5-11.5 carbons.