potential therapeutic indications and safety considerations
Báo cáo khoa học: NovelN,N¢-diacyl-1,3-diaminopropyl-2-carbamoyl bivalent cationic lipids for gene delivery – synthesis,in vitro transfection activity, and physicochemical characterization docx
... collapsed at 49 mNặm)1 and 39 A2 At 37 C, the two-dimensional transition was absent and only a liquid-expanded state was evident For all derivatives, molecular dimensions increased and compression forces ... size distribution (A,B) and zeta potential (C,D), as determined by dynamic light-scattering and electrophoretic mobility studies, respectively, of cationic lipid dispersions and lipoplexes in 40 ... chloroform and loaded onto a silica gel column (26 ã 2.8 cm) The column was eluted sequentially with 100 mL chloroform, and 1, 3, 5, 7, 8, 9, 10, 12 (300 mL) and 15% methanol chloroform The 10% and...
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Báo cáo y học: "Safety and anti-HIV assessments of natural vaginal cleansing products in an established topical microbicides in vitro testing algorith" ppsx
... cervical tissue explant assays, and Lactobacillus toxicity tests [19] Results Natural Lime and Lemon Juice and Household Vinegar are Toxic to Immortalized and Primary Cells, and Toxicity is Reduced by ... Reduced by pH Neutralization The antiviral and cytotoxic effects of natural and pH neutralized lemon and lime juices and house-hold vinegar in cell-free and cell-associated HIV-1 transmission inhibition ... in Figure 1a-e In the CCR5tropic and CXCR4-tropic cell-free HIV-1 entry assays (Figure 1a and Table 1), the IC50s and TC50s of natural lemon and lime juices and vinegar ranged from 1.7 to 4.1%...
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Tài liệu Báo cáo khoa học: Proteolysis of Pseudomonas exotoxin A within hepatic endosomes by cathepsins B and D produces fragments displaying in vitro ADP-ribosylating and apoptotic effects doc
... cytosol and cell-free mitochondria, our data suggest a direct interaction between ETA and cytosolic EF-2 on the one hand, and the mitochondrial membrane on the other hand However, the potential ... intermediates 1, 4a, 4b, 4d, 6a and 6c; CPVAAGECA for intermediates 6b and 6d; and PALA for intermediate 4c Western blot analysis with an antibody against ETA showed that cathepsins B and D degraded ETA in ... endosomal cathepsins B and D physiologically translocate from the endosomal lumen to the cytoplasm and interact with cytosolic targets (EF-2 and mitochondria) Low production and ⁄ or translocation...
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Báo cáo khoa học: Initiation of JC virus DNA replication in vitro by human and mouse DNA polymerase a-primase ppt
... with BSA as a standard (Biorad, Munich) DNA polymerase a and DNA primase assays were performed as previously described [34,42,43] Preparation of S100 extracts and replication of SV40 and JCV in vitro ... [21,32]), and 200 lg S100 in 30 mM Hepes/NaOH (pH 7.8), mM dithiothreitol, mM magnesium acetate, mM EGTA (pH 7.8), mM ATP, 0.3 mM CTP, GTP, and UTP, 0.1 mM dATP and dGTP, 0.05 mM dCTP and dTTP, ... reaction with DNA polymerase a-primase lacking TAg or vice versa; lanes and 4, 0.2 U and 0.4 U of human; lanes and 6, 0.2 U and 0.4 U of murine DNA polymerase a-primase The approximate sizes of...
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báo cáo hóa học: " In vitro anti-leishmanial and anti-fungal effects of new SbIII carboxylates" pot
... mex mex (LV4), and L donovani (H43); and four fungi, viz., Aspergillus Flavus, Aspergillus Fumigants, Aspergillus Niger, and Fusarium Solani with one reference drug Amphotericin B, and the results ... dissolving 0.5 g (2.19 mM) in 10 mL, and a few drops of dil HCl were added; to this solution, equimolar amount of ligand 2.19 mM, i.e 0.48 g, 0.52 g, 0.69 g, and 0.62 g, respectively, for I-IV ... min, for adjustment of pH, and one drop of ammonia was added which resulted in the formation of a precipitate The precipitate was filtered and washed with warm 70% ethanol and recrystallized from...
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Báo cáo hóa học: " Nanostructured Systems Containing Rutin: In Vitro Antioxidant Activity and Photostability Studies" pptx
... formulations were called B-NC and B-NE, for blank nanocapsules and blank nanoemulsions, respectively Table summarizes the abbreviation presented in Tables and Figures methanol) and dilution with the ... and biexponential (C = ae-k1t ? be-k2t) models were used to evaluate the rutin release profiles The release rate constants are k, k1, and k2 and the initial concentration of rutin are C0, a, and ... 3.0, Jandel Scientific, USA) Results and Discussion Preparation and Physicochemical Characterization of Aqueous Nanostructured Systems All formulations appeared macroscopically homogeneous and their...
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Báo cáo khoa học: "The response of dehydrated Douglas fir (Pseudotsuga menziesii) pollen to three in vitro viability assays and their relationship to actual fertility" doc
... (Smith and Adams, 1983; El-Kassaby and Ritland, 1986a; Wheeler and Jech, least, comparable fertility potential to set Pollen management procedures for handling Douglas fir pollen have been tested and, ... Ritland, 1986b), improve seed yields (Webber, 1987) and reduce the negative impact of selfing and contamination (El-Kassaby and Ritland, 1986b; Wheeler and Jech, 1986b) However, success of SMP is dependent ... Calcium and boron have also been imas important germination media constituents in some angiosperms (Johri and Vasil, 1961; Brewbaker and Kwack, 1963) and some pines (Nygaard, 1970; Dhawan and Malik,...
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Báo cáo y học: "Discovering and validating unknown phosphosites from p38 and HuR protein kinases in vitro by Phosphoproteomic and Bioinformatic tools" doc
... of the potential phosphopeptides were confirmed by manual interpretation of MS/MS and MSA ion spectra using the criteria described by Mann and Jensen [36], Gruhler and co-workers [37], and Thingholm ... membrane and the TiO2 beads The lyophilized sample was resuspended in μl of M urea and μl of 1% SDS and diluted five times in loading buffer (1 M glycolic acid (Fluka) in 80% acetonitrile, 5% TFA) and ... resin and or phosphoenrichment method (SIMAC, TiO2 and IMAC) coupled to R3/ C18 and MSA-LTQ ion Trap mass spectrometer is illustrated in Figure An example of a phospho-site assignment and manual...
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Báo cáo y học: "In vitro anti-inflammatory and anti-coagulant effects of antibiotics towards Platelet Activating Factor and thrombin." potx
... preparations, WRPs and rPRP, point out dissimilar anti-inflammatory and/ or anti-thrombotic potentials for each antibiotic and may be related to differences in their chemical structures and/ or in their ... sepsis and inflammation Hamostaseologie 2010, 30:10-12, 14-16 33 Shimizu T: Lipid mediators in health and disease: enzymes and receptors as therapeutic targets for the regulation of immunity and ... including activated neutrophils and macrophages express and are controlled by a variety of cytokines, chemokines, complement factors and other mediators such as PAF and Thrombin [16-23,32] The activation...
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Báo cáo y học: "In vitro anti-inflammatory and anti-coagulant effects of antibiotics towards Platelet Activating Factor and thrombin" doc
... preparations, WRPs and rPRP, point out dissimilar anti-inflammatory and/ or anti-thrombotic potentials for each antibiotic and may be related to differences in their chemical structures and/ or in their ... sepsis and inflammation Hamostaseologie 2010, 30:10-12, 14-16 33 Shimizu T: Lipid mediators in health and disease: enzymes and receptors as therapeutic targets for the regulation of immunity and ... including activated neutrophils and macrophages express and are controlled by a variety of cytokines, chemokines, complement factors and other mediators such as PAF and Thrombin [16-23,32] The activation...
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Báo cáo y học: "Characterization of the invariable residue 51 mutations of human immunodeficiency virus type 1 capsid protein on in vitro CA assembly and infectivity" docx
... cell (A and B) and viral lysates (C) were then separated by SDS-PAGE, transferred onto a nitrocellulose membrane and detected with a rabbit anti-HIV glycoprotein (A), a pool of anti-CAp24 and anti-calnexin ... type; and D51N, D51E, and D51Q are the three CAp24 mutants ized amounts of culture supernatants were precipitated with Viraffinity and detected with immunoblotting using both monoclonal and polyclonal ... from transfected cells and their infectivity Virus release from transfected cells and their infectivity HeLa-tat III, 293T, and COS7 cells were transfected with mutant and wild type proviral...
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Báo cáo sinh học: " Establishment of stable Huh-7 cell lines expressing various hepatitis C virus genotype 3a protein: an in-vitro testing system for novel anti-HCV drugs" potx
... lipofectamine and plasmid) was changed Isolation of RNA RNA was isolated using Gentra Kit and reverse transcribed to cDNA with reverse primer and specific genes Butt et al Genetic Vaccines and Therapy ... Vaccines and Therapy 2011, 9:12 http://www.gvt-journal.com/content/9/1/12 and confirmed with PCR, western blotting and sequencing Results Figure (a & b) showing amplified structural (core and envelope1) ... Vaccines and Therapy 2011, 9:12 http://www.gvt-journal.com/content/9/1/12 Figure (a) Digestion of Structural genes (Core and E1): Lane showing 100-bp Marker; lane and showing digestion of Core and...
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MECHANISTIC CHARACTERISATION OF DENGUE VIRUS RNA DEPENDENT RNA POLYMERASE NON NUCLEOSIDE INHIBITOR BINDING POCKET THROUGH IN VITRO BIOCHEMICAL ASSAYS AND REVERSE GENETICS ANALYSES
... membrane protein and envelope) and seven non-structural proteins (NS1, NS2A, NS2B, NS3, NS4A, NS4B, and NS5) (Figure 1.5 C) The conserved 5´ and 3´ UTRs are made up of ~100 and 400 nucleotides ... and India have been associated with the risk of causing severe dengue hemorrhagic fever (DHF) and dengue shock syndrome (DSS) (Rico-Hesse, 2003) In view of that, understanding the virulence and ... Increase in dengue viral infection, pandemic and severity, may largely be attributed to factors such as increased urbanization and population density, inadequate housing and public health systems, poor...
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báo cáo hóa học: " Beyond platinum: synthesis, characterization, and in vitro toxicity of Cu(II)-releasing polymer nanoparticles for potential use as a drug delivery vector" ppt
... concentrations of A- and HA being 95% and 5% at pH and 15 and 85% at pH 4, respectively (pK a = 4.75) Furthermore, even though the concentration of the anion changes in this case as well, and is higher ... particle synthesis, and metal loading RP conceived of the study, and participated in its design and coordination, carried out in vitro toxicity studies, SEM and EDX analysis and drafted the manuscript ... before (left) and after (right) addition of Cu, (C) XPS spectra for CuCNPs (right) and control particles containing no Cu (left) The difference between the amount released at 48 h and that contained...
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In vitro and in vivo targeted delivery of IL-10 interfering RNA by JC virus-like particles pptx
... contributions MIC and YFH contributed equally to this work MIC and YFH interpreted the data and drafted the manuscript MIC, MW, DC and JTC designed and performed the RNAi and JC virus experiments MZ and GJT ... promoter and shRNA template (HU6-shRNA template) was PCR amplified and packed into VLPs This linear HU6-shRNA template was efficiently packed into VLPs and expressed successfully in cells and animals ... irrelevant shRNA, respectively After 6, 12 and 24 h of treatments, serum samples were collected and tested for IL-10 and TNF-α levels by real-time PCR and cytokine enzyme-linked immunosorbent assay...
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báo cáo khoa học: " Patient- and delivery-level factors related to acceptance of HIV counseling and testing services among tuberculosis patients in South Africa: a qualitative study with " pdf
... integrating TB and HIV care in primary healthcare clinics singled out high service loads at both the TB and HIV entry points, duplication of services and underutilization of staff, and TB and HIV services ... staff, lack of space, increased workload, and work-related stress, including stress experienced by breaking bad news and handling ethical dilemmas A Ugandan study [15] identified a range of additional ... sought to identify and understand barriers and facilitators to TB patients’ participation in HCT from the perspective of community health workers (i.e., lay HIV counselors and directly observed...
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báo cáo khoa học: "Cationic nanoparticles for delivery of amphotericin B: preparation, characterization and activity in vitro" potx
... 10 between Candida albicans viability (%) and zetapotential (mV) Correlation for AmB formulation at low (ᮀ) and high P (l) Correlation between Candida albicans viability (%) and zeta -potential ... was very narrow and around mg/ mL PDDA Below and above this concentration, about 300 nm and negative zeta-potentials, or 500–700 nm of zeta-average diameter and positive zeta-potentials were ... (A) and zeta -potential (B) for DODAB BF/AmB/ CMC/PDDA assemblies Final DODAB, AmB and CMC concentrations were mM, 0.005 mM and mg.mL-1, respectively Interaction time between DODAB BF/AmB and...
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Báo cáo y học: " Dehydroepiandrosterone administration modulates endothelial and neutrophil adhesion molecule expression in vitro" doc
... outcome and severity of complications after trauma and sepsis and are, therefore, interesting candidates for medication and drug targets Previous studies by our group dealing with the therapeutic ... conception and design of the study, acquired data, did statistical analysis and interpreted results BMW and CP carried out isolation and measurement of neutrophils CK read the manuscript and supported ... hormone dehydroepiandrosterone (DHEA) revealed that it is protective in a murine model of combined trauma and sepsis [24-27] DHEA is the most abundant steroid hormone of the body and is a precursor...
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Linear and branched chitosan oligomers as delivery systems for pDNA and siRNA in vitro and in vivo
... application of bactofection and AGT in genetic vaccination and gene therapy of several tumors, and monogenic and infectious diseases in vivo [78-80] However, both bactofection and AGT share several ... cargo and the mechanism of vesicle formation [34,35] Cell-surface and intracellular barriers Binding and uptake Once the naked nucleic acids are at the cell surface, the negatively charged pDNA and ... ribozymes, RNA and pDNA in vitro and in vivo The transfection efficiency and the toxicity of PEI depend to a great extent on material characteristics such as the Mw, degree of 23 branching and cationic...
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In vitro and in vivo evaluation of transferrin conjugated lipid shell and polymer core nanoparticles for targeted delivery of docetaxel
... polydispersity, zeta potential and drug encapsulation 49 efficiency of docetaxel-loaded lipid shell and polymer core nanoparticles Table 2: Size, polydispersity and zeta potential of docetaxel-loaded ... stability and permeability of drugs become crucial factors 2.1.4 Anatomical, physiological and pathological considerations Because of the differences in the structure and physiology of normal and tumor ... interstitiumand cells Selective accumulation of nanocarriers and drug then occurs by the EPR effect (Figure and 7A) (Haley and Frenkel, 2008) The EPR effect is now becoming the gold standard in...
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Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các nguyên tắc biên soạn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam nội dung cụ thể cho từng kĩ năng ở từng cấp độ phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25