... 1B and 2) and has the same interactions with the main chain of the lasso-like loop This loop has the same conformation in both complexes in contrast to Ca-TK where no substrate was present in ... deoxyribonucleoside kinases and form a separate structural family Humans carry four deoxyribonucleoside kinases: cytosolic TK1 and deoxycytidine kinase, and mitochondrial TK2 and deoxyguanosine kinase Deoxycytidine ... Thymidine kinase in Ureaplasma urealyticum U Kosinska et al that it has to rely solely on the salvage pathway for synthesis of DNA precursors Thus, Uu-TK is a gateway for the biosynthesis...
Ngày tải lên: 30/03/2014, 11:20
... effect of CLKs and drugs on HIV-1 splice site usage was performed as previously described [55] cDNAs were analyzed for changes in splice site usage within the kb, MS RNA class The forward and reverse ... RNA abundance To assess whether CLK overexpression was also associated with any alterations in splice site selection, a radioactive RT-PCR was performed on the MS class of viral RNAs that detects ... overexpression of the SR protein SRSF1(SF2/ASF) has been shown to increase use of the 3’ss for Vpr (SA2) while increased levels of SRSF2/ SRFS7 (9G8) induce use of the 3’ss for Tat (SA3) [19-21] The sensitivity...
Ngày tải lên: 13/08/2014, 01:20
Báo cáo sinh học: "AAV-mediated gene therapy for metabolic diseases: dosage and reapplication studies in the molybdenum cofactor deficiency model" pps
... AAV-MOCS1 for systemic delivery, as compared to × 1010 tu for the intrahepatic injections described previously [5] and above, the results described here indicate a similar efficacy for both application ... only for the natural life span of mice, i.e to years In contrast to long-lasting expression in mice, rats, hemophilic dogs and nonhuman primates, expression at therapeutic levels in humans was ... perfused with 4% paraformaldehyde Tissue for expression analysis was cryoprotected in sucrose and stored frozen at -80° until analysis Cryostat sections of μm thickness were prepared for EGFP expression...
Ngày tải lên: 14/08/2014, 19:22
Methods to improve virtual screening of potential drug leads for specific pharmacodynamic and toxicological properties
... Performance of Ensemble for Hepatic Effects Classification Performance of Base Classifiers in Ensemble Performance of Best Base Classifier Performance of Ensemble for Similar ... can be classified by: y = sign [(w · x) + b] ˆ (2.10) ˆ ˆ The unknown compound is classified as Class if y >0 and classified as Class -1 when y
Ngày tải lên: 10/09/2015, 08:34
Tài liệu Báo cáo khoa học: Angiopoietin-like proteins: emerging targets for treatment of obesity and related metabolic diseases pptx
... treatments for obesity and metabolic diseases associated with chronic inflammation (Fig 1) Activation of ANGPTL6 ⁄ AGF counteracts obesity and related metabolic diseases ANGPTL6 ⁄ AGF, the angiopoietin-like ... have potential side effects, such as increased body weight (adiposity and ⁄ or edema), altered bone metabolism and undesirable long-term cardiovascular outcomes (Rosiglitazone) For these reasons, ... signaling has few side effects Therefore, for these reasons, we consider that the suppression of ANGPTL2 signaling as a therapeutic strategy is more beneficial Because ANGPTL2 promotes vascular inflammation...
Ngày tải lên: 14/02/2014, 22:20
Báo cáo khoa học: Hyaluronan–CD44 interactions as potential targets for cancer therapy pptx
... Ras signaling Importantly, this phenotype was seen only for the HAS2 isoform, indicating functional differences among the three HASs The HA-synthesizing capacity of HASs and, specifically, HAS2 ... HA-carrying drugs alone or encapsulated drugs in liposomes have the potential to be used as targeted drugs, as well as drug transport vehicles Chemical groups of HA, such as the carboxylate on glucuronic ... fibroblasts, carcinoma-associated fibroblasts, myofibroblasts, neutrophils ⁄ eosinophils ⁄ basophils ⁄ mast cells, T ⁄ B lymphocytes, natural killer cells and antigen-presenting cells, such as macrophages...
Ngày tải lên: 28/03/2014, 23:20
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
... pH-dependent Cu release was clearly demonstrated and release was accelerated as the pH was reduced In vitro toxicity of CuCNPs in HeLa cells The toxicity of CuCNPs to cancer cells was investigated ... Cu release was observed at pH 7; however, release was much slower at this pH (particles at pH had released approximately 55% of their Cu at 12 h) compared to pH At pH 5, CuCNPs had released over ... release, which led us to further investigate Cu release as a function of competing ligand Cu release experiments conducted in 100 mM citrate buffer at pH 4, 5, and revealed faster metal release...
Ngày tải lên: 21/06/2014, 02:20
Báo cáo y học: "The role of statins as potential targets for bone formation" pptx
... identification of other potential molecular targets for drug discovery as well as other therapeutic approaches to enhance bone formation, and thus produce the ideal anabolic agent for osteoporosis References ... osteoblast accumulation Cultures exposed for days show further enhancement of bone formation It has been shown that statins cause a marked increase in osteoblast accumulation and new bone formation ... Fibroblast growth factor has been previously shown to stimulate bone formation in vivo and was used as a positive control The anabolic effect of statins was confirmed with significant increases...
Ngày tải lên: 09/08/2014, 03:24
Báo cáo sinh học: " HCV entry receptors as potential targets for siRNA-based inhibition of HCV" ppt
... interference expression cassettes Mol Ther 2006, 14:485-493 doi:10.1186/1479-0556-9-15 Cite this article as: Jahan et al.: HCV entry receptors as potential targets for siRNA-based inhibition of HCV ... day, the adherent cells were washed three times with 1X PBS, complete medium was added and incubation was continued for 48 hrs Cells were harvested and assessed for the presence of viral RNA ... treatment of viral diseases Previously it has been reported that cellular genes functionally involved in HCV entry like CD81, LDLR, SR-BI and CLDN1 also serve as potential targets for RNAi Several...
Ngày tải lên: 14/08/2014, 19:23
Báo cáo y học: "Characterization of Human Erythrocytes as Potential Carrier for Pravastatin: An In Vitro Study"
... fragility was studied for each drug concentration In vitro releasing study The release of pravastatin as well as hemoglobin from carrier erythrocytes were determined as following, ml of packed drug- loaded ... using glutaraldehyde as a membrane stabilizer Also the figure shows the hemoglobin release The releasing curves of pravastatin show release phases, the first is rapid release phase and the second ... chair for Pharmaceutical industries for the assistance in completion of this work, Also, Dr Magdy Abdelhamid for his kind helping and efforts in drug analysis This Work was funded by Deanship for...
Ngày tải lên: 25/10/2012, 11:10
Báo cáo y học: "Thioglycosides as inhibitors of hSGLT1 and hSGLT2: Potential therapeutic agents for the control of hyperglycemia in diabetes"
... ratio of 1.32 for hSGLT2 (p
Ngày tải lên: 26/10/2012, 10:04
Báo cáo sinh học: " Matrix attachment regions as targets for retroviral integration" ppt
... study found that DNA structural features such as bendability and A-philicity served as preferred integration sites [22] The present study was performed to assess the role of matrix attachment regions ... It has been reported that MARs occur every 10-kb in the mammalian genome [34,41] Based on this report, a Monte Carlo simulation was performed where the mean distance to the closest MAR was computed ... observed for SL3-3 and MLV (p < 0.01) In fact, the distribution of MoFe2 insertions in relation to MARs was consistent with the expectation for random integration The same analysis was then performed...
Ngày tải lên: 19/06/2014, 08:20
báo cáo hóa học:" Matrix attachment regions as targets for retroviral integration" doc
... study found that DNA structural features such as bendability and A-philicity served as preferred integration sites [22] The present study was performed to assess the role of matrix attachment regions ... It has been reported that MARs occur every 10-kb in the mammalian genome [34,41] Based on this report, a Monte Carlo simulation was performed where the mean distance to the closest MAR was computed ... observed for SL3-3 and MLV (p < 0.01) In fact, the distribution of MoFe2 insertions in relation to MARs was consistent with the expectation for random integration The same analysis was then performed...
Ngày tải lên: 20/06/2014, 04:20
Báo cáo hóa học: " Novel Strategy to Fabricate PLA/Au Nanocomposites as an Efficient Drug Carrier for Human Leukemia Cells in Vitro" pdf
... Intracellular Drug Delivery in Leukemia Cancer Cells Based on the above observations, the PLA/Au nanocomposites have been further explored as a new potential drug carrier for efficient drug delivery ... blends of the biodegradable polymers have been explored for the potential applications in biomedical field such as the drug release/implants for orthopedic surgery or blood vessels due to their ... 340,000) was dissolved in the solvent of chloroform (10%, wt) and stirred for h Next, it was loaded into a syringe connected with anodal voltage Aluminum foil as a collecting substrate was connected...
Ngày tải lên: 21/06/2014, 08:20
Báo cáo y học: "Gene profiling for defining targets for new therapeutics in autoimmune diseases" potx
... the disease The role of Fc receptors in EAE was studied by comparing the severity of disease in Fc receptor-deficient and wild-type mice Acute disease was less severe and chronic disease was absent ... Immunohistochemistry revealed increased expression of OPN adjacent to lesions observed in the brain tissue of MS patients, as well as in rodents that develop an experimental form of the disease [25] The induction ... the pathogenesis of MS was assessed in the EAE model Treatment with granulocyte colony-stimulating factor before the onset of EAE decreased the severity of the acute phase but had no effect on...
Ngày tải lên: 09/08/2014, 01:21
Báo cáo y học: "Antirheumatic drug response signatures in human chondrocytes: potential molecular targets to stimulate cartilage regeneration" potx
... with three donors for each pool) for untreated controls and for each drug treatment Pooled RNA was used for microarray analysis and for real-time RT-PCR Microarray analysis was performed using the ... chondrocyte genes were performed for the 'diseased' status (RASFsn-stimulated), the 'healthy' status (NDSFsn-stimulated), and the drug- treated 'diseased' status (RASFsn antirheumatic drug- stimulated) ... RASFs, healthy donor synovial fibroblasts (NDSFs), and drugtreated RASFs, respectively Genome-wide microarray analysis was performed to determine RA-related gene expression and antirheumatic drug...
Ngày tải lên: 09/08/2014, 01:22
báo cáo khoa học: "Free Rhodium (II) citrate and rhodium (II) citrate magnetic carriers as potential strategies for breast cancer therapy" docx
... cytotoxicity was observed after treatment with Magh In addition, if these nanosystems were associated to target molecules for breast carcinoma cells such as folic acid, for instance, their potential for ... spectroscopy and zeta potential measurements, as well as by saturation of magnetization The infrared spectra of Magh-Rh (H cit) (Figure 2C) showed intense absorptions assigned to asymmetrical as (COO) and ... absorbances were measured at 512 nm in a Hitachi U1100 Zeta potential was obtained from electrophoretic mobility (em) measurements performed by phase analysis light scattering using ZetaSizer Nano ZS...
Ngày tải lên: 11/08/2014, 00:23
Báo cáo khoa hoc:" Folic acid modified gelatine coated quantum dots as potential reagents for in vitro cancer diagnostics" pdf
... the increased upatke was related to FA, a competition assay was performed with free FA In the case of QD (C) internalisation was reduced by free FA to the same level as QD (A) alone As expected ... three flasks, A, B and C Folic acid (0.01 moles, 0.28 g) was added directly to Flask B and the solution was stirred for 15 EDC (0.1 g) and DMAP (0.1 g) were added to flask C and the solution was stirred ... Materials Al2Te3 was purchased from Cerac Inc All other chemicals for synthesis were purchased from Sigma-Aldrich All synthetic procedures and sample preparation were performed using degassed Millipore...
Ngày tải lên: 11/08/2014, 08:20
Báo cáo y học: "P38 MAP kinase inhibitors as potential therapeutics for the treatment of joint degeneration and pain associated with osteoarthritis" ppsx
... magnetic resonance, mass spectroscopy and elemental analysis The purity of the compounds was > 99% as determined by high performance liquid chromatography Kinase assay procedure P38 kinase (Upstate Biotechnology, ... disease [38] but this study was uncontrolled, small and of short duration MAPKs such as p38 have been widely pursued targets for the inhibition of cytokines for the treatment of inflammatory diseases ... signaling pathways such as the p38 MAPK pathway [17] The MAPKs operate as a series of kinase modules beginning with the MAPK kinase kinases (MKKKs), which phosphorylate MAPK kinases (MKKs), which...
Ngày tải lên: 11/08/2014, 08:22
Báo cáo y học: "Bovine herpesvirus 4 based vector as a potential oncolytic-virus for treatment of glioma" pps
... were first perfused with PBS for 15 and then with 4% formalin in PBS for 30 Brains were carefully removed, post-fixed for hours in 4% formalin in PBS, equilibrated for 24 h in 30% sucrose in PBS ... bregma, 3.7 mm below the pial surface Injection was carried out for 16 minutes and was performed using a Hamilton syringe Animals were monitored daily for neurological signs and weight loss At the ... visualized by phase contrast (PC) fluorescence with a FITC filter for EGFP expression or with DAPI filter for nuclear counterstaining (bar = 100 μm) The respective titers (expressed as log10 of Tissue...
Ngày tải lên: 12/08/2014, 02:20