2 current and future scaffolds for brain repair
Transplantation and improvement of mouse embryo progenitor derived insulin producing cells for type 1 diabetes therapy
Ngày tải lên :
11/09/2015, 09:58
... Ca2+ channels and K+ channels, and non-selective cation channels) and by the regulation of intracellular energy homeostasis and exocytosis (35) Consequently, granule trafficking and insulin secretion ... litters and large organs and mature quickly 4) Pigs and humans exhibit the similar glucose set points for insulin release (48) However, there are still some factors that limit its application For ... macro-encapsulation and micro-encapsulation The former produces larger flat-sheet and hollow-fiber membranes and can be further divided into intravascular macrocapsules, extravascular macrocapsules and extravascular...
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Fibronectin and laminin promote differentiation of human mesenchymal stem cells into insulin producing cells through activating Akt and ERK pptx
Ngày tải lên :
10/08/2014, 05:21
... Akt and ERK for stage III cells There was a baseline of Akt and ERK phosphorylation without adding ECM FN and LAM increased phosphorylation of Akt and ERK, and LAM had greater effects on Akt and ... enhances expression of insulin and Glut2 MSCs were induced by four-stage protocol, and (A) RT-PCR and quantitative RT-PCR for (B) insulin and (C) Glut2 were performed at stage IV Adding FN or ... CA) and 10 μL of 1:20 diluted cDNA PCR reactions were prepared in duplicate and heated to 95°C for 10 followed by 40 cycles of denaturation at 95°C for 15 seconds, annealing at 60°C for min, and...
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Báo cáo y học: "TLR2 and TLR4 triggering exerts contrasting effects with regard to HIV-1 infection of human dendritic cells and subsequent virus transfer to CD4+ T cells" docx
Ngày tải lên :
12/08/2014, 23:20
... treated with TLR2 and ligands for hours and washed twice Then, cells were pulsed with NL4-3/Balenv for 15, 30 and 60 at 37°C Next, the virus-cell mixture was washed extensively with PBS and trypsinized ... contributions ST performed the experiments and prepared Figures to RF performed the PCR experiments and prepared Figure ST and MRT analyzed the data and wrote the manuscript MJT supervised and coordinated ... agonists for hours, washed twice and pulsed with virus preparations (2.5 ng of p24) for hour at 37°C In some studies, EFV (25 nM) was added to inhibit direct productive infection and left for 30 before...
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Mypt1 mediated spatial positioning of bmp2 producing cells is essential for liver organogenesis
Ngày tải lên :
11/09/2015, 16:06
... Patton and Zon, 2001; Amsterdam and Hopkins, 2006), therefore, an exceptional organism for high throughput chemical and drug screens considering the small size and high fecundity (Zon and Peterson, ... albumin enhancer and found that strong binding sites for Foxas and Gatas are occupied in the foregut endoderm before albumin expression initiates (Gualdi et al., 1996; Bossard and Zaret, 1998) ... coalesce to form the left and right hepatic ducts The common hepatic duct drains the bile from the left and right hepatic ducts and joins with the cystic duct from the gallbladder to form the common...
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Báo cáo y học: " Production of infectious human immunodeficiency virus type 1 does not require depletion of APOBEC3G from virus-producing cells" pdf
Ngày tải lên :
13/08/2014, 13:20
... with pNL-A1/Vif∆23–43 and pHIV-APO3G, fixed with methanol and processed for confocal microscopy as described for figure As shown in figure 6, coexpression of Vif∆23–43 and APOBEC3G yielded a ... and antibody choice on co-expression of Vif and APOBEC3G Effect of4 Effect of fixation method and antibody choice on co-expression of Vif and APOBEC3G HeLa cells were transfected with pNLA1 and ... software For two-color analysis, objects were excited using 488/568 nm laser lines Green and red emissions were recorded through appropriate filters (515–540 nm band pass filter for Cy2 and 590...
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Investigation of the roles of two rac1 effectors phosphatidylinositol 5 kinase 1a and p21 activated kinase 1 in insulin secreting cells
Ngày tải lên :
14/09/2015, 14:08
... bind to Rac and Cdc42, and thus may serve both as a direct PAK activator and/ or as a platform for GTPase-mediated activation Filamin A is necessary for PAK-mediated signals to induce formation ... members, α, β, and γ In 1996, two independent groups (107;114) identified both α and β forms of type I PIP5K from human and mouse cells However, the nomenclature for PIP5K-Iα and PIP5K-Iβ was ... of β-cell apoptosis and glucotoxicity These results improved the understanding of β-cell biology and the molecular mechanism for pathogenesis of diabetes viii LIST OF TABLES AND FIGURES Table PIP5K...
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ROLES OF HUNTINGTIN ASSOCIATED PROTEIN 1 IN INSULIN SECRETING CELLS
Ngày tải lên :
12/10/2015, 17:35
... including rat, mouse, and human [50] Furthermore, there are two isoforms in rat, HAP1 isoform A (HAP1A) and HAP1 isoform B (HAP1B), which differ at their C-terminals One human HAP1 isoform has been characterized ... interacts with androgen receptor (AR) through its ligand-binding domain in a polyQ-length-dependent manner and forms prominent inclusions sequestering polyQ-AR, which is derived from spinal -and- bulbar-muscular-atrophy ... than μg) and topped up to 20 μl with DEPC water After gentle mixing and centrifuge, the mixture was placed in a PCR machine (UNO Ⅱ, Biometra) and incubated at 25˚C for 10 followed by 50˚C for 15...
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Tài liệu Báo cáo khoa học: Identification of membrane-bound serine proteinase matriptase as processing enzyme of insulin-like growth factor binding protein-related protein-1 (IGFBP-rP1/angiomodulin/mac25) doc
Ngày tải lên :
19/02/2014, 07:20
... panel) Bars indicate the noncleaved form (33 kDa) and the cleaved form (25 kDa) The cleaved form is detected highly in OVISE and MKN-45 cell lines and slightly in HLE and HEK293 cell lines As a loading ... MKN-45 and DLD-1 cells clearly showed doublet bands at approximately 75 kDa and two minor bands at 95 and 110 kDa The conditioned media of HSC-4 and HEK293 cells also showed weak immunoreactive bands ... immunoblotting Acknowledgements We thank K Yamamoto and N Akiyama for technical assistance, and Drs H Yasumitsu, Y Tsubota and Y Kariya for helpful suggestions and discussions This work was supported by...
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Tài liệu Báo cáo Y học: Targeting of malate synthase 1 to the peroxisomes of Saccharomyces cerevisiae cells depends on growth on oleic acid medium pptx
Ngày tải lên :
22/02/2014, 04:20
... ampli®cations and isolations Construction of strains JD1, JR85, and JR86 has been described [5] To remove the three codons for SKL from the MLS1 gene, single-strand mutagenesis was performed according ... oligonucleotides H623 and H625 and Pfu high®delity polymerase (Stratagene, La Jolla, CA, USA) The single ampli®cation product obtained was digested with SphI and BglII, and ligated to an SphI- and BamHI-digested ... cytosolic isoform Mdh2p [7] The suggestion of an extra-peroxisomal location for the yeast glyoxylate cycle was further reinforced by the demonstration that Icl1p is a cytosolic enzyme [4], and that...
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Báo cáo khoa học: Insulin resistance in human adipocytes occurs downstream of IRS1 after surgical cell isolation but at the 1 level of phosphorylation of IRS1 in type 2 diabetes pot
Ngày tải lên :
07/03/2014, 16:20
... was 10.6 ± 2.3 and 9.6 ± 4.2-fold (n ¼ 5) directly and after overnight incubation, respectively; of IRS1 10.3 ± 3.2 and 14.7 ± 7.3 -fold, respectively, and glucose uptake 3.9 ± 0.9 and 3.8 ± 0.8-fold, ... similar before and after overnight incubation: 94 ± 2.0 lm and 93 ± 1.4 lm (mean ± SE, n ¼ subjects), respectively The effect of insulin on the insulin receptor and downstream effectors IRS1 and PKB, ... obtained during surgery and general anaesthesia from normal controls and from 144 Fig Dose–response effect of insulin on phosphorylation of insulin receptor, IRS1, and PKB before (s) and after (d) overnight...
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Báo cáo Y học: Characteristics of binding of insulin-like growth factor (IGF)-I and IGF-II analogues to the type 1 IGF receptor determined by BIAcore analysis pptx
Ngày tải lên :
08/03/2014, 22:20
... effects, and by allowing 300 s for association and 900 s for dissociation In the case of IGF-I and related analogues, the concentrations used were 12.5, 25, 50, 100, and 200 nM, and for IGF-II and ... deprivationinduced PC12 cell death and DNA fragmentation Survival assays (MTT-based assay) and DNA fragmentation ELISAs were performed as described in Materials and methods, and the data are presented ... receptor binding and biological activities, such as protein and DNA synthesis and protein degradation, have been made in the past and they generally support our conclusions For example, analogues...
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Báo cáo Y học: Loss-of-function variants of the human melanocortin-1 receptor gene in melanoma cells define structural determinants of receptor function doc
Ngày tải lên :
17/03/2014, 10:20
... loading and transfer were ascertained by cutting the lower portion of the membrane before blocking and staining for total protein with Amido Black RESULTS AND DISCUSSION Seven HMC lines and three ... semiconfluence and serum-deprived for 24 h Then, the cells were challenged with vehicle or with 100 nM NDP-MSH for 20 min, before cell lysis and determination of the cAMP contents in the lysates For each ... DOR cells homozygous for the wild-type MC1R, is therefore perplexing and will be the subject of further studies On the other hand, as opposed to the well-known Arg142His and Arg151Cys variants,...
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Báo cáo khoa học: Colocalization of insulin receptor and insulin receptor substrate-1 to caveolae in primary human adipocytes Cholesterol depletion blocks insulin signalling for metabolic and mitogenic control doc
Ngày tải lên :
23/03/2014, 12:20
... 7.5, and fixed in 0.1 M sodium cacodylate buffer, containing 0.1 M sucrose, 3% (w/v) paraformaldehyde, and 0.05% (v/v) glutaraldehyde, for 30 at room temperature Plasma membranes were blocked for ... the insulin receptor and IRS1, and examined by immunofluorescence microscopy using green fluorescent antibodies for the insulin receptor (A) and red fluorescent antibodies for IRS1 (B); merged image ... receptor and its immediate downstream signal mediator IRS1, and that cholesterol depletion and caveolae destruction make these cells insulin resistant, downstream of IRS1, for both metabolic and mitogenic...
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Báo cáo khoa học: Expression studies of the core+1 protein of the hepatitis C virus 1a in mammalian cells pot
Ngày tải lên :
30/03/2014, 03:20
... following conditions were used: 94 °C for followed by 35 cycles of 94 °C for min, annealing for 30 s, and 74 °C for min, with a final extension at 74 °C for 10 For PCR site-directed mutagenesis the ... conditions were used: 95 °C for 30 s followed by 18 cycles of 95 °C for 30 s, annealing for min, and 68 °C for 10 min, with a final extension at 68 °C for 10 Cells and transfection experiments ... and processed for immunolabeling (see Experimental procedures) For core+1 ⁄ S–myc or core+1 ⁄ F–myc localization, anti-myc mAb and Alexa Fluor 546-conjugated goat anti-(mouse IgG) were used For...
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báo cáo hóa học:" Three-dimensional growth as multicellular spheroid activates the proangiogenic phenotype of colorectal carcinoma cells via LFA-1-dependent VEGF: implications on hepatic micrometastasis" docx
Ngày tải lên :
18/06/2014, 15:20
... contributions MV performed most of in vitro and in vivo studies and flow cytometry; AJ and CS carried out proteomic studies; AL and FJM performed immuno-histochemical studies; BA and IM contributed ... Trays were then inverted and incubated during 12 days Spheroids were collected on days 3, 5, and 12 and processed for cell counting, spheroid diameter determination and immunohistochemical detection ... various diameters were fixed in 4% paraformaldehide solution and paraffin-embedded, or OCTembedded and frozen in liquid nitrogen On the other hand, zinc-fixed livers and primary tumors from subcutaneously-injected...
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Báo cáo hóa học: " The emerging role of insulin-like growth factor 1 receptor (IGF1r) in gastrointestinal stromal tumors (GISTs)" pdf
Ngày tải lên :
18/06/2014, 16:20
... patients and in one additional pediatric WT GIST for which there was insufficient fresh frozen specimen for SNP analysis and no gene amplification was documented in any of the cases Lastly, Braconi and ... IGF1R (Santa Cruz antibody) and its ligands IGF1 and IGF2 in 94 patients [40] They found that the IGF1R was strongly expressed in most cases both WT and mutant, but the ligands showed different levels ... tumors, and because ligand expression is found in WT GISTs [40] The most exciting future perspectives are first to study the biological role of IGF1R in GISTs in in vitro and in vivo models, and...
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Báo cáo sinh học: " Re-evaluating the role of natural killer cells in innate resistance to herpes simplex virus type 1" pot
Ngày tải lên :
19/06/2014, 08:20
... killer cells and T lymphocytes Randomly chosen BALB/c, BALB/c scid, and NOD scid mice were tested to confirm that they were deficient for Tand B-cell function Serum from mice was tested for immunoglobulin ... Farms (Germantown, NY) These studies were reviewed and approved by an IACUC, and animals were handled in accordance with the NIH Guide for the Care and Use of http://www.virologyj.com/content/2/1/56 ... on Days and 3, and spleen WBCs were isolated on Day for flow cytometric analysis with FITC-labeled anti-CD3 and PE-labeled anti-CD49b The frequency of NK cells (upper left quadrant) and CD3+...
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báo cáo hóa học:" Re-evaluating the role of natural killer cells in innate resistance to herpes simplex virus type 1" pot
Ngày tải lên :
20/06/2014, 04:20
... killer cells and T lymphocytes Randomly chosen BALB/c, BALB/c scid, and NOD scid mice were tested to confirm that they were deficient for Tand B-cell function Serum from mice was tested for immunoglobulin ... Farms (Germantown, NY) These studies were reviewed and approved by an IACUC, and animals were handled in accordance with the NIH Guide for the Care and Use of http://www.virologyj.com/content/2/1/56 ... on Days and 3, and spleen WBCs were isolated on Day for flow cytometric analysis with FITC-labeled anti-CD3 and PE-labeled anti-CD49b The frequency of NK cells (upper left quadrant) and CD3+...
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Báo cáo y học: "Pharmacological disruption of insulin-like growth factor 1 binding to IGF-binding proteins restores anabolic responses in human osteoarthritic chondrocytes" ppt
Ngày tải lên :
09/08/2014, 01:23
... for pharmacological intervention in the treatment of cartilage repair in osteoarthritis and potentially of other joint-related diseases and shows that IGFBPs are pertinent target candidates for ... penicillin, and 100 µg/ml streptomycin Confluent cells were incubated in serum-free medium for hours and further incubated for hour at 4°C in 500 µl of DPBS, pH 7.4, containing 0.1% BSA and protease ... Materials and methods Cells and tissues Cartilage fragments and chondrocytes were derived from tibial plateaus and femoral condyles of 3-week-old rabbits or obtained after surgery for knee replacement...
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