... contrast with cultures without NH4Cl The most prominent bands were found in cell lysates of CpG-ODN-stimulated cells, with and without NH4Cl treatment These data indicate that, in microglial cells, ... indicates that the effects observed on suramin treatment are not caused by the potential inhibition of lysosomal degradation by the compound Taken together, these results show that BV-2 cells degrade ... BV-2 cells were treated with prioninfected brain homogenate, we initially assumed that the stimulation of cells might result in a higher phagocytic and proteolytic activity [49] However, this...
Ngày tải lên: 07/03/2014, 05:20
... observed to localize to punctate clusters that formed immediately upon contact and were coincident with sites of tight interactions between the Jurkat T cell and the coverslip [48] These punctate clusters ... localization of individual signaling proteins, but also to quantitatively investigate protein– protein interactions The recruitment and localization of LAT and LAT-binding proteins to the sites of ... proven to be a highly informative method to examine the localization and function of LAT in activated T cells and mast cells In particular, these studies have revealed that upon both TCR and FceRI...
Ngày tải lên: 23/03/2014, 15:21
Military: Batteries and Fuel Cells pdf
... point is that military batteries have to be made to be rugged They have to withstand shock and vibration, extreme temperatures, high humidity, and impact Additionally, the batteries should not ... are extensively tested today: the DMFC system and the RMFC system The advantage of the DMFC system is a shorter start-up time and the potential for higher energy efficiency The advantage of the ... positioning system International Air Transport Association liquefied petroleum gas lanthanum strontium manganite liquid tin anode North Atlantic Treaty Organization operational test command proton-exchange...
Ngày tải lên: 06/07/2014, 02:20
Báo cáo y học: "Leukotrienes, mast cells, and T cells" docx
... position in effector mediator pathways to provide a therapeutic target, given the multiplicity of other chemokines present in synovial tissues to which synovial T cells and indeed other leukocyte ... promote host tissue inflammatory damage The data from Ott and colleagues [9] now suggest that mast cells could significantly modify T- cell function not only through chemokine release but also ... online http://arthritis-research.com/content/5/6/288 cent to the cartilage pannus junction, where they may be associated with cytokine expression [11,12] Their potential effector function includes...
Ngày tải lên: 09/08/2014, 01:23
Báo cáo khoa học: Tec family kinases: Itk signaling and the development of NKT ab and cd T cells potx
... of their developmental program with conventional T cells iNKT are a subset of NKT cells Itk and i NKT and cd T cells that largely express an invariant ab TCR Both iNKT and conventional T cells ... conventional ab T cells This minireview focuses on this aspect of Itk, its role in the development and function of iNKT and NKT- like cd T cells Itk and i NKT cell development NKT cells are a subset ... levels of T- bet, and Itk may regulate the expression of this critical transcription factor Indeed, it has been suggested that Itk regulates T- bet levels in iNKT cells in the thymus, and that thymic...
Ngày tải lên: 28/03/2014, 22:21
Báo cáo hóa học: " Decreased level of recent thymic emigrants in CD4+ and CD8+T cells from CML patients" pdf
... cloned in to the EcoRV restriction site of the TOPO TA Vector (Invitrogen, Groning, The Netherlands) Based on the DNA concentration, measured by spectrophotometry and confirmed by a quantitative gel ... detection of sjTRECs can be applied for direct measurement of thymic output and proliferative history of T cells [6] Over the last decade the technique was used to evaluate T- cell immune reconstitution ... exported from thymus to the periphery within recent thymic emigrants (RTEs), therefore, the frequency of sjTRECs is considered to be the most accurate marker of T- cell neogenesis Quantitative detection...
Ngày tải lên: 18/06/2014, 16:20
Báo cáo y học: " Lentiviral transduction of Tar Decoy and CCR5 ribozyme into CD34+ progenitor cells and derivation of HIV-1 resistant T cells and macrophages" pdf
... grafts for reconstitution Eight to ten weeks post reconstitution, thus allowing for T cell differentiation, the animals were sacrificed and thymocytes were isolated from the grafts The differentiated ... Tar-CCR5Rz vector transduced CD34+ cells were injected into the SCID-hu mice thy/liv grafts and allowed to differentiate into thymocytes At ~60 days post-engraftment, the cells were harvested and analyzed ... the transactivation response element (Tar), present at the 5'-end of all HIV-1 transcripts [1] In the absence of Tat, only short ineffective transcripts are generated Tat is also known to interact...
Ngày tải lên: 10/08/2014, 05:20
Báo cáo y học: "Inhibition of highly productive HIV-1 infection in T cells, primary human macrophages, microglia, and astrocytes by Sargassum fusiforme" pdf
... additional particulate matter, aliquoted and stored at -20°C until use Cells and culture treatments T cells 1G5 and CEM T cells were obtained from the NIH AIDS Reagent Repository and cultured ... conclude that S fusiforme treatment inhibits HIV-1 replication in T cells in a dose dependant manner, inhibition is similar to that achieved with ddC treatment, and treatment is not toxic to cells ... Days post treatment Days post treatment Analysis growth kinetics and viability in T cells treated with S fusiforme Figure of Analysis of growth kinetics and viability in T cells treated with S fusiforme...
Ngày tải lên: 10/08/2014, 05:20
Báo cáo y học: " Cross-talk between cd1d-restricted nkt cells and gδ cells in t regulatory cell response" ppt
... These are NKT cells and gδ T cells NKT cells coexpress T cell receptors (TCR) and NK receptors There are two types of NKT cells Type NKT cells have a TCR comprised of a single type of TCRa chain ... demonstrated that antigen presenting cells interact with type NKT cells through CD1d causing the NKT cells to secrete IL-4 and IL-10 and activate Treg cells [116-118] Similar studies found that T regulatory ... +FoxP3+ T [133] Therefore, while many studies suggest that NKT cells promote Treg cell activation and protect from autoimmunity, it appears that gδ T cells can have the opposite effect and promote...
Ngày tải lên: 11/08/2014, 21:21
Báo cáo y học: " RFX1 regulates CD70 and CD11a expression in lupus T cells by recruiting the histone methyltransferase SUV39H1" pdf
... reaction (RT-PCR) Primers used were as follows: CD11a, 5’CAGCCTGTTGCCTCTGTGAGA-3’ (forward) and 5’-GGCAGCT CCTTGTTTACTCC-3’ (reverse); and CD70, 5’-GGGCGTCTACTTGCTTCA-3’ (forward) and 5’-CCTGCATCCTGGCAACTGC-3’ ... further contributing to the de-repression of these critical auto-immune factors Materials and methods Patients and controls Patient demographics and treatment regimens are shown in Table SLE patients ... with healthy controls, consistent with the global H3K9 hypomethylation of T cells from SLE patients that we reported previously [21] Together, these findings suggest that decreased H3K9 tri-methylation...
Ngày tải lên: 12/08/2014, 15:22
Báo cáo y học: " Interaction between human lung fibroblasts and T-lymphocytes prevents activation of CD4+ cells" pdf
... 5'TTCAAATGAGATTGTGGGAAAATTGCT-3' and antisense 5'-AGATCATCTCTGCCTGAGTATCTT-3' (305 bp product); LFA-1 sense 5'-GTCCTCTGCTGAGCTTTACA-3' and antisense 5'-ATCCTTCATCCTTCCAGCAC-3' (337 bp product); ... 5' GTGTCATTCTCACTGCCTTGTTCC-3' and antisense 5'-TTCAGTGGCTGAGAAGAGTGAACC-3' (496 bp product); beta-actin sense 5'TGACGGGGTCACCCACACTGTGCCCATCTA-3' and antisense 5'-CTAGAAGCATTGCGGTGGACGATGGAGGG-3' ... 5'-AAGTTGAGAGCCAAGAGCAG3' and antisense 5'-CCGACTATTTTTCAGTGACA-3' (304 bp product); CD-69 sense 5' CCTTCCAAGTTCCTGTCC-3' and antisense 5' CATTCCATGCTGCTGACCTC-3' (451 bp product); CD-3 sense 5' GTGTCATTCTCACTGCCTTGTTCC-3'...
Ngày tải lên: 12/08/2014, 18:22
Báo cáo y học: "Signatures of human regulatory T cells: an encounter with old friends and new" pdf
... 5'-CGA AGG GTC TCC GCG GGG TCA CAT-3' TNFRSF1B 5'-GTA GCC TTG CCC GGA TTC TGG-3' 5'-ACC CTG CCC CTG CTC TGC TA-3' TRAF1 5'-GGG GCA TAA ACT TTC CTC TTC C-3' 5'-TTT GGG GTT ATA CAT TGC TCA GTG-3' LGALS3 ... CTLA4 5'-TGC AGC AGT TAG TTC GGG GTT GTT-3' 5'-CTG GCT CTG TTG GGG GCA TTT TC-3' CCR7 5'-TGG CCT GCA GGA AAC ACC-3' 5'-GGG AGA CTT CTT GGC TTG GTG AG-3' RPS9 5'-CGC AGG CGC AGA CGG TGG AAG C-3' ... FHIT also contributes to the inactive status of TP53 Based on our data, we suggest that destabilization and thereby inactivation of TP53 provokes a shift in TReg cells from apoptotic sensitivity...
Ngày tải lên: 14/08/2014, 16:21
Báo cáo y học: "Association between regulated upon activation, normal T cells expressed and secreted (RANTES) -28C/G polymorphism and asthma risk – A Meta-Analysis"
... heterogeneity test; Table and Figure 1) We further performed stratified analysis according to asthma type (atopic asthma and non-atopic asthma), age (children and adult) and ethnicity (Asian and ... platelets, macrophages, endothelial cells, fibroblasts, epithelial cells, and mast cells, have the capacity to generate RANTES [8], which directly supported the potential role of RANTES in asthma The ... different susceptibility to asthma, which indicated that genetic factors may play an important role in the pathogenesis of asthma Regulated upon activation, normal T- cell expressed and secreted (RANTES),...
Ngày tải lên: 26/10/2012, 09:39
Tài liệu Báo cáo khóa học: Suppression of b1,3galactosyltransferase b3Gal-T5 in cancer cells reduces sialyl-Lewis a and enhances poly N-acetyllactosamines and sialyl-Lewis x on O-glycans Lydia Mare and Marco Trinchera pdf
... relevant treatments are italicized The corresponding qualitative results are presented in Fig 4, and the quantitative data in Table Table Radioactivity distribution in BxPC3 cells and T5 AS clone metabolically ... due to b3Gal -T5 only, we determined the enzyme kinetics from representative cells, and found that the b1,3Gal -T activities detected are kinetically identical to those of genuine b3Gal -T5 Altogether ... to be the most efficient in promoting metastatic spread [30] These data match the finding that CEA synthesized by normal mucosa has abundant N-linked type chains due to b3Gal -T5 activity, and that...
Ngày tải lên: 19/02/2014, 12:20
Tài liệu Báo cáo khoa học: Interactions between M proteins of Streptococcus pyogenes and glycosaminoglycans promote bacterial adhesion to host cells pdf
... reduced the GAG content in membrane extracts from the treated cells, and bacterial adhesion was significantly reduced both to epithelial cells and to skin fibroblasts treated with either of the enzymes ... intermediate host ligands The data presented here suggests that M protein-mediated binding to GAGs is one such mechanism Apart from facilitating the interaction with host cells and tissues, it is ... NH2-terminal part of M1 and M5 and in the C-repeated region both are required for the interaction with GAGs The observation that the C-repeats are important for the binding of GAG to M5 fits with...
Ngày tải lên: 20/02/2014, 11:20
Cytoskeleton reorganization mediates alpha beta integrin-associated actions of laminin on proliferation and survival, but not on steroidogenesis of ovine granulosa cells pdf
... experiments, statistical analysis and interpretation of data, and participated in drafting the manuscript SF participated in steroid assays and contributed to the conception and design of the study, the ... and interpretation of data DM conceived the study, participated in its design and coordination, statistical analysis and interpretation of data and drafted the manuscript FLB, SF and DM read and ... interpretation of data and the draft of the manuscript CP carried out the thymidine labeling index and pyknotic index determination experiments and participated in actin staining experiments and...
Ngày tải lên: 05/03/2014, 17:20
Báo cáo khoa học: Isoquinoline-1,3,4-trione and its derivatives attenuate b-amyloid-induced apoptosis of neuronal cells pdf
... thought to inhibit the activities of cysteine or serine proteases, the results of our selectivity experiments indicated that the compounds we tested had better selectivity for caspases than the ... isoquinoline-1,3,4-trione and its derivatives protected the growth of axons and dendrites of neurons treated with Ab(25–35) and attenuated neuronal apoptosis Moreover, the protection afforded by the derivatives ... against the induction of apoptosis by camptothecin [30] In this study, we found that isoquinoline-1,3,4-trione and its derivatives protected PC12 cells and rat cortical primary neurons against the...
Ngày tải lên: 07/03/2014, 11:20
Báo cáo Y học: Concerted regulation of free arachidonic acid and hormone-induced steroid synthesis by acyl-CoA thioesterases and acyl-CoA synthetases in adrenal cells pdf
... along with the fact that 22R-OH-cholesterol by-passes the effect of the inhibitors strongly indicates that the thioesterase and the acyl CoA-synthetase act in the same signalling pathway in a step ... using inhibitors of acyl-CoA synthetases in combination with NDGA demonstrates that the two enzymes, the synthetase and the acyl-CoA thioesterase act in concert and are essential for steroidogenesis ... of the thioesterase was also studied by immunohistochemistry in rat adrenals Intense fluorescence was detected throughout the adrenal cortex, while the CTE-I and MTE-I thioesterase activity To...
Ngày tải lên: 08/03/2014, 09:20
Báo cáo khoa học: Sustained activation of ERK1/2 by NGF induces microRNA-221 and 222 in PC12 cells pdf
... for the PCR analysis were 5¢-CTTCCATAAGGCAGTCTCAG-3¢ and 5¢-CGGAAGA TGAATCGTAACAG-3¢ for Bim, and 5¢-TTGCTGACAA TCTTGAGGGAG-3¢ and 5¢-GAGTATGTCGTGGAGTC TACTG-3¢ for glyceraldehyde-3-phosphate ... reporter activity compared to the control (Fig 5C, wt) Mutations introduced into the predicted binding site almost eliminated this suppression These results suggest a direct interaction of these ... (Graduate School of Biostudies, Kyoto University, Japan) A partial fragment of the 3¢ UTR of rat Bim was amplified by PCR using the primers 5¢-CCTGCCTCTTGAGGTACTGC-3¢ and 5¢-AGCTAGT CGCAAGTTTTA-3¢...
Ngày tải lên: 16/03/2014, 01:20
Báo cáo khoa học: Identification and characterization of novel PKA holoenzymes in human T lymphocytes pdf
... activity in the precipitate from Cb2 transfected cells were 15-fold higher than the activity in the precipitate from the Ca1 transfected cells demonstrating that the Cb2 antibody in combination with ... analysis and only 20–30% of Cb2 activity in Cb2-transfected 29 3T cells was precipitated Taken together it is therefore reasonable to assume that Cb2 activity may constitute more than 20% of total ... antigen receptor complex and activated to phosphorylate several substrates important for regulating antigen-dependent activation of T cells to proliferation and clonal expansion These substrates...
Ngày tải lên: 16/03/2014, 18:20