... elimination of the infectious agent from the blood streams and peritoneum In contrast, mice immunized with either PBS or IFA die within 1–3 days Underlying mechanisms defining the differences in ... immunization Figure Efficacy of adjuvants in sustaining antibody response induced Efficacy of adjuvants in sustaining antibody response induced BALB/c mice in groups of or more were immunized at ... adjuvants on inflammatory cytokines (IL-6 and TNF-α) In order to determine whether adjuvants exert any effects on induction of inflammatory cytokines, such as IL-6 and/ or TNF-α, the levels of these...
Ngày tải lên: 11/08/2014, 10:23
... [9] the human genome contains 654 HERV-W elements, the majority of which are comprised of long terminal repeat regions (LTR) lacking internal sequence The remaining elements were classified into ... tion (B) ing influenza A/WSN/33 virus infection (A) cell-lines followExpression of HERV-W elements in humanor serum deprivaExpression of HERV-W elements in human cell-lines following influenza ... virus in all cell-lines tested Surprisingly, in U937, virus infection elevated the levels of transcripts from elements lacking 5'-U3 regulatory regions In the other cell types the degree of transactivation...
Ngày tải lên: 13/08/2014, 09:20
Báo cáo khoa học: Assessment of porcine and human 16-ene-synthase, a third activity of P450c17, in the formation of an androstenol precursor doc
... pick them up On the other hand, the orphan receptor ligands are most probably produced locally in the various tissues Because of the small volume of the cell, the production of a little amount of ... biosynthesis of androstadienol in humans (A) and pigs (B) does not require prior formation of 17a-OH-preg and DHEA The lack of androstadienol synthesis in the presence of lM of ketoconazole (C), an inhibitor ... further demonstrates the specific implication of P450c17 in the formation of this metabolite Formation of androstadienol by human and porcine P450c17, with and without cyt b5 Using porcine and human...
Ngày tải lên: 08/03/2014, 08:20
Tài liệu Báo cáo khoa học: Altered expression of CD1d molecules and lipid accumulation in the human hepatoma cell line HepG2 after iron loading pptx
... in the cytoplasm of human epithelial cells of the gastrointestinal tract and liver, two central organs in the regulation of iron metabolism [20,21] After their synthesis in the endoplasmic reticulum, ... ferritin expression in nonpermeabilized (thin lines, – saponin) and permeabilized cells (thick lines, + saponin) cells cultured without and with iron as indicated (D) Perls’ staining of cytospins of ... revealed that the inhibition of cell growth was due to a decrease in the percentage of cells in the S and G2 ⁄ M phases of the cell cycle (Fig 3B) In a total of seven separate determinations, a...
Ngày tải lên: 19/02/2014, 16:20
Tài liệu Báo cáo khoa học: Identification of different isoforms of eEF1A in the nuclear fraction of human T-lymphoblastic cancer cell line specifically binding to aptameric cytotoxic GT oligomers ppt
... quantify the amount of recovered protein owing to the presence of a high molar excess of BSA remaining in the buffer Therefore, a fixed aliquot of the protein was incubated with the indicated probes, ... basic proteins it might be that either methylation of the lysine or specific substitutions in the amino acid sequence, increasing the number of basic residues of lysine, arginine and histidine, could ... protein belonging to the GTPbinding elongation factor family, which promotes the GTPdependent binding of aminoacyl-tRNA to the A-site of ribosomes during protein biosynthesis and the capture of deacylated...
Ngày tải lên: 21/02/2014, 00:20
Báo cáo khoa học: Tyrosine nitration in the human leucocyte antigen-Gbinding domain of the Ig-like transcript 2 protein ppt
... increase in binding capacity [25] Identification of nitration site in the extracellular domain of ILT2 In the extracellular domain of ILT2, there are several Tyr residues that participate in the ... this is the first report of a post-translational modification of the ILT2 protein The other member of the ILT family, LILRA4, has also been found nitrated within the domain Ig-like C2-type in human ... directly in the interaction with HLA-G [3,19] and Tyr35 is located in the very vicinity of Tyr38 These modifications should affect the binding pocket directly Furthermore, Tyr99 stabilizes the angle...
Ngày tải lên: 07/03/2014, 02:20
Báo cáo khoa học: Roles of 1-Cys peroxiredoxin in haem detoxification in the human malaria parasite Plasmodium falciparum potx
... by the observation that only a trace of the protein was left in the unbound fraction Pre-incubation of the recombinant protein with FP abolished most of this binding, suggesting that binding of ... of the protein with FP These results also indicate that Pf1-Cys-Prx can bind to FP at pH 7.4, which is the pH of the parasite cytosol The fact that the majority of Pf1-Cys-Prx is present in the ... 2.5% of the initial value When rPf1-Cys-Prx was added to the system, complete protection against inactivation was observed and the initial GS activity was maintained (116.5 ± 7.3% of the initial...
Ngày tải lên: 07/03/2014, 17:20
Báo cáo khoa học: Enzymes of mannitol metabolism in the human pathogenic fungusAspergillus fumigatus– kinetic properties of mannitol-1-phosphate 5-dehydrogenase and mannitol 2-dehydrogenase, and their physiological implications pot
... residues for binding the coenzyme The C-terminal domain has a largely a-helical structure, and serves mainly in substrate binding The active site is located in the interdomain cleft, and contains a highly ... mm), and so the choice of the constant level of Fru was not critical for determination of DKm (1.23 0.15) The KIE data in Table are instrumental in delineating the kinetic mechanism of AfM1PDH ... value of $ 3, indicates that NADH binds to the enzyme prior to binding of Fru6P The absence of a KIE on kcat Km for the substrate binding rst is a clear requirement of the strictly ordered kinetic...
Ngày tải lên: 14/03/2014, 23:20
Báo cáo khoa học: Effect of mutations in the b5–b7 loop on the structure and properties of human small heat shock protein HSP22 (HspB8, H11) pptx
... [12,18,19], as well as in the binding of protein substrates to sHsp [17] The importance of this part of molecule of the sHsp is supported by the fact that mutations in the loop connecting the b5 and b7 ... (Figs and 8), the probability of its crosslinking is lower than the 5638 probability of crosslinking of the wild-type protein (Fig 4) The data available in the literature indicate that the b5–b7 ... protein at the beginning of trypsinolysis and at the fixed time of trypsinolysis) against the time of incubation (Fig 8D) The apparent rate constants of trypsinolysis under these conditions were...
Ngày tải lên: 23/03/2014, 07:20
Báo cáo khoa học: Human-blind probes and primers for dengue virus identification Exhaustive analysis of subsequences present in the human and 83 dengue genome sequences doc
... refer to the sequences that are present in the genome of interest and absent from the host genome as being ‘host-blind’ (human- blind, mosquito-blind, mouseblind, rat-blind, etc.) sequences The greater ... each serotype of the virus (present in all strains of the serotype), and (d) unique to each individual viral strain’s genome (present in the strain and absent from all other strains) The results ... present in all of the dengue genomes n 16 Present in all dengue; absence in human not considered Human- blind one change away Human- blind two changes away Human- blind three changes away Human- blind...
Ngày tải lên: 23/03/2014, 11:20
Báo cáo sinh học: " PET kinetics of radiolabeled antidepressant, [N-methyl-11C]mirtazapine, in the human brain" ppt
... estimating the binding potential of [N-methyl-11C]mirtazapine in the living human brain Methods: Distribution volumes of [N-methyl-11C]mirtazapine in brain regions were estimated using single- ... curvature of the plot throughout the duration of scanning impairs the estimation of the binding potential (see Figure 3) Since the binding of [N-methyl-11C]mirtazapine may be relatively slow in some ... distribution in brain regions, with the highest binding potentials in the frontal and temporal cortices, intermediate binding potential in the thalamus, and low binding potentials in the striatum,...
Ngày tải lên: 18/06/2014, 18:20
báo cáo hóa học:" Validation of the Spanish version of the Chronic Pain Acceptance Questionnaire (CPAQ) for the assessment of acceptance in fibromyalgia" pot
... recommended 10:1 ratio of the number of subjects to the number of test items [18] The final study sample consisted of 205 patients attending the Pain Clinic (Santander, Spain) and Fibromyalgia ... battery of questionnaires for completion All patients completed these instruments on the day of the visit These included a pain form for demographic and pain-related variables, including the translated ... is one of the most used questionnaires for the assessment of depression and anxiety in medical patients We have used the cut-off point recommended in the validated Spanish version of the HADS...
Ngày tải lên: 20/06/2014, 16:20
Báo cáo khoa học: "The conformation change of Bcl-2 is involved in arsenic trioxide-induced apoptosis and inhibition of proliferation in SGC7901 human gastric cancer cells" doc
... group) × 100% The μmol/L group was used as black control group The IC50 value (the concentration of the drug which is capable of bringing about 50% inhibition of cell survival) of the drug used ... determined by plotting a graph with inhibitory rate of cell growth (Y-axis) against the concentrations of the arsenic trioxide (X-axis) Materials Analysis of nuclear morphology by DAPI staining ... clumps of chromatin abutting to inner regions of the nuclear envelope between the nuclear pores, breakdown of nuclear envelope, chromatin condensation and dissociation of DNA fragments in SGC7901...
Ngày tải lên: 09/08/2014, 03:21
Báo cáo y học: "Differential binding of chemokines to macrophages and neutrophils in the human inflamed synovium" pps
... differences in the percentage of chemokine-positive cells in inflamed regions of the RA and non-RA intima However, there were fewer CXCL8 positive cells in the inflamed RA intima than in the inflamed ... the RA synovium into tissue microcompartments and fluid The finding that the proportion and percentage of chemokine binding sites on macrophages increases in the inflamed intima of RA and non-RA ... CXCL8 binds to neutrophils in the subintimal tissue There was a lack of binding of CCL5 (c) and CCL3 (d) to neutrophils in the subintima Magnification ×470 (a)–(d) Discussion The results of the...
Ngày tải lên: 09/08/2014, 03:24
Báo cáo y học: "Hepatocyte growth factor ameliorates dermal sclerosis in the tight-skin mouse model of scleroderma" doc
... significantly inhibited the expression of IL-4 and TGF-β1 mRNA in the spleen and skin but not in the lung (Figure 5) We also performed MLR and examined the effect of HGF on the production of IL-4 Responder ... tight skin Competing interests The authors declare that they have no competing interests Authors' contributions T Iwasaki conceived the study, participated in the design and co-ordination of the ... were maintained in a pathogen-free facility at the Hyogo College of Medicine (Nishinomiya, Hyogo, Japan) Animal experiments were performed in accordance with the guidelines of the National Institutes...
Ngày tải lên: 09/08/2014, 08:22
Báo cáo y học: "Expression and regulation of neurotrophins in the nondegenerate and degenerate human intervertebral disc" pdf
... participated in the design of the study, performed the majority of the laboratory work and analysis, and drafted the manuscript AJF helped to secure funding, participated in the design of the study and interpretation ... nucleus pulposus and the inhibitory effects of certain drugs Spine 2005, 30:1501-1504 23 Le Maitre CL, Freemont AJ, Hoyland JA: The role of interleukin-1 in the pathogenesis of human intervertebral ... interpretation of data, and assisted in the preparation of the final manuscript JAH conceived the study, secured funding, contributed to its design and coordination, and participated in interpretation of the...
Ngày tải lên: 09/08/2014, 11:20
Báo cáo y học: " Contrasting chromatin organization of CpG islands and exons in the human genome" pot
... [GEO:GSE16190] The sequencing reads were extended to the average size of fragments in the library [35] and the number of overlapping sequence tags was obtained at 200-bp intervals across the human genome The ... differentially regulate the elongation of pol II This finding provides a hint at the role of intragenic DNA methylation, which has remained elusive, and explains why exons maintain the three different ... [GEO:GSE17554] The sequencing reads were extended to the average size of fragments in the library (150 bp) [5] and the number of overlapping sequence tags was obtained at 200-bp intervals across the human...
Ngày tải lên: 09/08/2014, 20:22
Báo cáo y học: "Development of daily rhythmicity in heart rate and locomotor activity in the human fetus" ppt
... The electrographic findings of the intrauterine fetus were correlated with evaluations by Apgar scale as well as with the data regarding the course of postnatal period The time of the recordings ... characteristics of sleep together with each of its phases are typical of those of healthy individuals being in the relative resting state [6] The analysis of fetal locomotor activity during night sleep of the ... prevalent during "quiet" hours as during "active" hours Statistical processing of the findings regarding the duration of each type of the oscillations and "active" and "quiet" hours of the fetus...
Ngày tải lên: 10/08/2014, 09:20
Báo cáo y học: " Smoking-mediated up-regulation of GAD67 expression in the human airway epithelium" doc
... protein concentration To assess the Western analyses quantitatively, the film was digitally imaged, maintaining exposure within the linear range of detection The contrast was inverted, the pixel intensity ... added to the sample The sample was centrifuged at 10,000 g and the proteincontaining supernatant was collected The protein concentrations were assessed using a bicinchoninic acid (BCA) protein concentration ... http://respiratory-research.com/content/11/1/150 The data demonstrate there is expression of genes for a complete GABAergic system in the airway epithelium Interestingly, the expression of GAD67 was markedly modified by smoking, with increased...
Ngày tải lên: 12/08/2014, 11:22