cripto signaling in differentiating embryonic stem cells pdf
Báo cáo sinh học: "Compound developmental eye disorders following inactivation of TGF signaling in neural-crest stem cells" doc
... TGF-dependent, suggesting that both transcription factors are involved in mediating TGF signaling in ocular cells during development Interestingly, a report of a family suffering from both Axenfeld-Rieger’s ... conditional gene targeting to inactivate TGF signaling in NC stem cells and, as a result, in ocular NC derivatives in order to assess the actions of TGF on these cells during eye development Results ... with TGF signaling [32], induces anomalies similar to persistent hyperplastic primary vitreous in the offspring [33] Thus, we conclude that TGF signaling in NC-derived cells constituting the...
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Báo cáo y học: "Identification of a truncated form of methionine sulfoxide reductase a expressed in mouse embryonic stem cells" pps
... conditions in mouse embryonic stem cells Methods Mouse embryonic stem cell culture The mouse embryonic stem (MES) cells (CCE-24) were routinely grown on 0.1% gelatin-coated dishes in Dubecco’s ... hindering the access for the long form protein, thus having an advantage to be evolutionarily selected and maintained Since the truncated protein itself does not contain the c-terminal cysteines, ... predicted open reading frame Thin lines indicate exon-exon junctions A The thick line points to the junction of exon and skipping exon in the truncated form but is included in the long form of...
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Báo cáo y học: "The impact of chromatin modifiers on the timing of locus replication in mouse embryonic stem cells" pot
... chromatin components In this regard, compensatory chromatin modifications have been previously described, including an increase in H3K27me3 levels in Suv39h1/h2 deficient ES cells [25] Minor and ... was seen in Dicer KO cells (17 compared with in matched wild-type cells) Increased minor and major satellite transcripts were also seen in Eed deficient ES cells but not in other mutant lines that ... by genotyping The ES cell lines were maintained in the undifferentiated state by culturing on gelatinized plates in KO-DMEM (Invitrogen, Carlsbad, CA, USA) supplemented with leukemia inhibitory...
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Dissecting transcriptional network in mouse embryonic stem cells
... undifferentiated cells and differentiated cells of multiple lineages EC cells could be maintained indefinitely with mitotically inactivated embryonic fibroblast in vitro, and is able to give rise to cells ... state of ES cells for in vitro feeder free culture, in vivo ICM cells are able to develop into ES cells in the absence of LIF signaling, indicating that alternative pathways might be involved Recent ... These cells were initially maintained in culture as self-renewal and pluripotent cell lines in either EC cell-conditioned medium (Martin, 1981), or in a co-culture system in which cells were grown...
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Role of sonic hedgehog signalling in human embryonic stem cells and its neural derivatives
... culture feeding 3.2.3 Human embryonic stem cells and induced pluripotent stem cells Human embryonic stem cell line HES-3 (46, XX) was from ES Cell International (Singapore, http://www.escellinternational.com) ... plate cells in the dorsal neural tube and induce formation of neural crest stem cells and dorsal interneurons (Barth et al., 1999) Antagonists of Bmp signaling like chordin, noggin and follistatin ... forebrain, midbrain, hindbrain and the spinal cord This figure was reproduced from Epstein et al., 1999 2.4 SHH and neural development During the initial phase of neural induction, the ectoderm is induced...
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Identification of oct4 and sox2 targets in mouse embryonic stem cells
... General Introduction 1.1 Stem cells 1.2 Embryonic stem cells (ESCs) 1.3 Properties of mouse ESCs (mESCs) 1.3.1 Differentiation of mESCs 1.4 Maintaining mESCs in their undifferentiated state 1.4.1 Signaling ... partners, revealing the connection between the intrinsic transcription factors and extrinsic signaling pathways in mouse embryonic stem cells (mESCs) Stat3 and Oct4 were shown to bind to the promoter ... joint consensus motif in the Oct4 and Sox2 ChIP-PET datasets 6.5 Binding of Oct4 and Sox2 overexpressed (OE) proteins on biotin-labelled DNA probes containing Oct4 and Sox2 binding sites using...
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Báo cáo khoa học: The relative contribution of mannose salvage pathways to glycosylation in PMI-deficient mouse embryonic fibroblast cells pdf
... and wild-type mouse embryonic fibroblast cells (WT cells) were grown in DMEM containing 20% fetal bovine serum CDG-Ib patient cells were grown in a-MEM containing 10% fetal bovine serum All media ... A1-treated PMInull cells We thus performed mannose titration experiments in swainsonine-treated and bafilomycin A1-treated PMI-null cells Cells were treated with 10 lm swainsonine or 100 nm bafilomycin A1 ... increased in swainsonine-treated and bafilomycin A1-treated PMInull cells with increasing mannose concentrations in the medium About 13 lm and lm mannose were sufficient to fully restore glycosylation in...
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báo cáo hóa học:" Transplantation of vascular cells derived from human embryonic stem cells contributes to vascular regeneration after stroke in mice" docx
... Translational Medicine 2008, 6:54 cells, the number (cells/ mm2/mouse) of single stranded DNA (ss-DNA)+ cells in one field in the ischemic core from each mouse in the saline- or hES-ECs+MCs-injected group ... neuroprotection in the ischemic brain human embryonic stem cells diferentiationon OP9 feeder Day 10 Day VEGF-R2(+) / VE-cadherin(+) / TRA-1(-) cells VEGF-R2(+) / VE-cadherin (-) / TRA-1 (-) cells expansion ... VEGF-R2-positive cells induced from undifferentiated mouse embryonic stem (ES) cells can differentiate into both VE-cadherin-positive endothelial cells (ECs) and αSMA-positive mural cells (MCs),...
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báo cáo hóa học:" MicroRNA and gene expression patterns in the differentiation of human embryonic stem cells" doc
... human [16,17] and mouse embryonic stem cells [18-20] The unique patterns of miRNA expression in embryonic stem cells suggest they are involved in maintaining "stemness" Identifying mRNAs that are ... expression profiling of single whole embryonic stem cells Nucleic Acids Res 2006, 34(2):e9 Chen C, Ridzon D, Lee CT, Blake J, Sun Y, Strauss WM: Defining embryonic stem cell identity using differentiation-related ... detected in adult cells The expression of miR-520b was 26-fold greater in hES cells then in EB cells (P < 0.05) and it was detected only in two types of adult cells HMVEC and HUVEC Differences in the...
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EMBRYONIC STEM CELLS – DIFFERENTIATION AND PLURIPOTENT ALTERNATIVES pdf
... stem cells These include very small embryonic/ epiblast like stem cells, multipotent dental stem cells, pluripotent stem cells from testis and amniotic fluid stem cells In the book Embryonic Stem ... protein pathways in human embryonic stem cells Stem Cells, 2006 24(6): p 1476-86 [105] Katoh, M., CER1 is a common target of WNT and NODAL signaling pathways in human embryonic stem cells Int ... during mammalian development Mutations in Mll1 lead to embryonic lethality in mice [181-182] Role of Signaling Pathways and Epigenetic Factors in Lineage Determination During Human Embryonic Stem...
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Báo cáo khoa học: "Human embryonic stem cells and therapeutic cloning" pdf
... adult stem cells is their inability to effectively grow in Human embryonic stem cells and therapeutic cloning culture Therefore, obtaining clinically significant amounts of adult stem cells may ... supplementing culture media with growth factors or co-culturing ES cells with the inducing cells induced differentiation of a specific lineage or increased population of specific cells during spontaneous ... meiotic spindle after enucleation However, using a squeezing method, they are Human embryonic stem cells and therapeutic cloning successful in obtaining monkey cloned blastocysts [67], supporting our...
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Báo cáo khoa học: " Effect of dihydrotestosterone on mouse embryonic stem cells exposed to H2O2-induced oxidative stress" pdf
... protein kinase; SAPK/ JNK, c-Jun N-terminal kinase/stress activated protein kinase; NF-κB, nuclear factor kappa B; IκB, inhibitory kappa B; CDK, cyclin dependent protein kinase radical scavenging ... Min JJ, Park KS High glucose-induced inhibition of 2-deoxyglucose uptake is mediated by cAMP, protein kinase C, oxidative stress and mitogen-activated protein kinases in mouse embryonic stem cells ... dihydrotestosterone on mouse embryonic stem cells exposed to H2O2-induced oxidative stress 255 10, 423-426 12 Brook FA, Gardner RL The origin and efficient derivation of embryonic stem cells in the mouse Proc...
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báo cáo khoa học: " Embryonic stem cells in scaffold-free threedimensional cell culture: osteogenic differentiation and bone generation" ppt
... units up to 0.4 mm in diameter was established Feeder-independent murine embryonic stem cells (ESCs) were kindly provided by K Pfeffer (Institute for Microbiology, Heinrich Heine University of ... cultivation in the presence of osteoinductive stimuli Numerous living cells were detected in the mineralized centre of the spheres by means of toluidine blue staining (Figure 1) Generally, the mineralization ... of stem cells into the osteogenic lineage in vitro J Bone Miner Res 2004, 19:1379-1394 Page of 38 Trounson A: Human embryonic stem cells: mother of all cell and tissue types Reprod Biomed Online...
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báo cáo khoa học:" Induction of osteogenic markers in differentially treated cultures of embryonic stem cells" ppt
... sources including autologous cells as well as allogenic and xenogenic cells [13-16] There are some reports that use totipotential embryonic stem cells in tissue engineering of bone [17,18] Embryonic ... BMP-2 Shown are von Kossa stainings with arrows pointing to the deposition of calcium phosphate-containing minerals that stained in black Figure LIF, stem cell PCR showing amplification of the without ... The increase in reaction products during PCR was monitored by measuring the increase in fluorescence intensity caused by the binding of SYBR green to doublestranded DNA that accumulated during...
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Báo cáo y học: "Identification and isolation of embryonic stem cells in reproductive endocrinology: theoretical protocols for conservation of human embryos derived from in vitro fertilization" ppsx
... Foundation, and Parkinson's Action Network, as well as the Cancer Research and Prevention Foundation This type of federal research funding strategy involving existing embryonic stem cell lines is consistent ... funding of research involving the more than 60 existing stem cell lines, but will not sanction or encourage destruction of additional human embryos Indeed, the embryos from which the existing ... Fischbach GD, Fischbach RL: Stem cells: science, policy, and ethics J Clin Invest 2004, 114:1364-1370 Donovan PJ, Gearhart J: The end of the beginning for pluripotent stem cells Nature 2001, 414:92-97...
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Báo cáo sinh học: " Plasmid-encoded NP73-102 modulates atrial natriuretic peptide receptor signaling and plays a critical role in inducing tolerogenic dendritic cells" pdf
... affect cell viability at the dose used (Figure 1B) Intracellular Inhibiting NPRA signaling in human DCs induces Tregs Since blocking NPRA signaling by transfection of hmDCs with pNP73-102 up-regulates ... three independent assays is shown (B) Diagram of hypothesized protein interactions in the immune response associated with NPRA signaling in hmDCs lung inflammation Inflammatory scoring by blinded ... finding that ANP induced less TGF-b production in human DCs than NP73-102 The SOCS3 protein was strongly induced by both IL-6 and IL-10 SOCS3 selectively inhibits IL-6 signaling via its binding...
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Báo cáo y học: "A recessive genetic screen for host factors required for retroviral infection in a library of insertionally mutated Blm-deficient embryonic stem cells" doc
... high infection efficiency must be achieved so that every single infectable cell in the culture has at least one infection event In practice, the need to infect every cell in a culture of 109 cells ... on ES cells after a single round of infection with 0.1 ml viral supernatant are illustrated by staining puromycin-resistant colonies in 24-well plates Figure (see following page) Super-infection ... (WT), and NGG5.3 Blm-deficient embryonic stem cells cells were co-cultivated with irradiated B4-5 cells and plated in normal medium to determine plating efficiency in the absence of selection and...
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Regulation of gene expression by esrrb in embryonic stem cells
... factors in ES cell maintenance In ES cells, signaling pathways play important roles in maintaining self-renewal and pluripotency In most cases, these signaling pathways function through regulating ... embryonic tissues to extra-uterine sites resulted in teratocarcinoma formation (Solter et al., 1970; Stevens, 1970) This finding indicates the embryonic origin of teratocarcinoma stem cells In ... cells Multipotent stem cells can give rise to cells of certain specialized lineages Many adult stem cells are multipotent, including hematopoietic stem cells, mesenchymal stem cells, and other...
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The role of kruppel like factors in embryonic stem cells
... transcripts zinc finger protein 42 zinc finger protein 143 zinc finger protein of the cerebellum XI Introduction CHAPTER I INTRODUCTION Introduction CHAPTER I INTRODUCTION Stem cells can be identified ... CHAPTER I INTRODUCTION 1.1 Pluripotent stem cells 1.1.1 Mouse embryonic carcinoma cells 1.1.2 Mouse embryonic stem cells 1.1.3 Mouse embryonic germ cells and pluripotent spermatogonial stem cells ... to activation of a MAP kinase signaling cascade, including MAP kinase, MAP kinase kinase (MKK), and MAP kinase kinase kinase (MKKK) 16 Introduction Much evidence has indicated that the Ras-Mek-Erk...
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