... lncRNAs involved in differentiation has been carried out inhuman cells In this thesis, functional characterization of lncRNAs inhuman development is addressed using humanembryonicstem cells ... exhibiting trans-acting transcriptional cooperativity with DLX homeodomain proteins and increasing Dlx5/6 enhancer activity in a neural stemcell line (Feng et al., 2006) In the developing ventral ... to induce pluripotency in adult somatic cells (Takahashi and Yamanaka, 2006), further demonstrating the pivotal role of transcription factors in the maintaining and inducing the pluripotent cell...
... target 226 lincRNAs expressed in mESCs, and the authors identified 26 lincRNAs that resulted in loss of Nanog and Oct4 expression upon lincRNA knockdown, indicating that lincRNAs maintain the pluripotent ... governing stemcell pluripotency and cell fate determination, and perturbations of lncRNA levels will result instemcell differentiation 104 Chapter VII – Long Non-coding RNAs are Indispensable in ... lncRNAs in the maintenance of hESC pluripotency, and their involvement in neuronal differentiation respectively 82 Chapter VI – Long Non-coding RNAs Regulate HumanEmbryonicStemCell Pluripotency...
... expressed in neural stem cells and non-neuronal cells, to repress neuronal gene expression To confirm that REST indeed binds upstream of RMST in the neural stemcell line ReN-VM, REST chromatin-immunoprecipitation ... database indicates the presence of a REST binding site upstream of RMST REST (or NRSF) binding sites were observed upstream of RMST in three humancell lines, namely GM12878, a lymphoblastoid cell line, ... chromatin binding Quantitative PCR of the ChIP DNA revealed REST occupancy at the region upstream of RMST (pRMST), confirming that REST binds upstream of RMST in the human neural stemcell line...
... very few human lncRNAs have been studied with such extent In this thesis, I focused on examining lncRNAs involved in the pluripotency maintenance of humanembryonicstem cells (hESCs), and human ... Liu, Y., Shin, S., Zhan, M., Rao, M.S., and Zeng, X (2010) Stage-specific role for shh in dopaminergic differentiation of humanembryonicstem cells induced by stromal cells Stem Cells Dev 19, ... and Freed, W.J (2008) Assessment of stromal -derived inducing activity in the generation of dopaminergic neurons from humanembryonicstem cells Stem Cells 26, 1517-1525 Walker, E., Chang, W.Y.,...
... anchoring substrates are the underlying principles of these systems, which try to mimic the microenvironments of the hESCs Indeed, keeping in mind the origin of hESCs, the neighbouring cells ... generating new epithelium and basement membrane, providing anchorage for the hESCs [18] The presence of ECM proteins in developing embryos indicates that these proteins play a role in maintaining ... Crook of Singapore StemCell Bank, Singapore StemCell Consortium, Institute of Medical Biology The iPSCs were derived by transfecting IMR-90 fetal fibroblasts with lentiviral vector expressing Oct-4,...
... aid in increasing integrin binding and hence cell binding This contradiction could possibly be due to the increased presence of DCN and BGN in the DxSNP40/DNase and FcNP40/DNase matrices interfering ... maintain hESCs in a pluripotent state This observation is surprising, since these matrices contains more Fn (by immunofluoresence comparison, section 3.3.2), it would be expected that the 52 increased ... interfering with TGFB signaling for the hESCs, since DCN and BGN both bind active TGFB, and could lead to a decrease in the amount of active TGFB available for the hESCs 3.5 Matrices that maintain...
... under-expression of Oct-4 in ES cells leads to their differentiation into trophoectoderm lineages [10], indicating the crucial role that Oct-4 plays in maintaining the pluripotent state of ES cells As Oct-4 ... maintained in the embryonic ectoderm at the cylinder stage, and down-regulated at gastrulation in an anterior-posterior pattern Germ cells continue to maintain the expression of Oct-4 until the initiation ... within the nuclei 64 of hESCs, and so, in order to obtain successful Oct-4 immunostaining, the cells have to be first permeabilized using 0.2% Triton-X 100 - this extra processing step results in...
... In vitro induced differentiation hESCs cultured on DxSDOCDOC for 13 passages were induced into neural differentiation using a protocol modified from WiCell Research Institute, National StemCell ... will still prove superior at increasing the population doublings and also in 84 maintaining the pluripotent characteristics of the hESCs during their propagation Once again, hESCs were cultured onto ... StemCell Bank In this protocol, the hESCs formed embryoid bodies using non-adherent cell culture plates and were transferred onto laminincoated plates and incubated in neural induction medium...
... possibility of developing an alternative embryonicstemcell culture system, with the aim of overcoming current obstacles that hinder the safe clinical implementation of humanembryonicstemcell culture ... signatures of seven individual uman embryonicstemcell lines Stem Cells 23:1343-1356 (2005) Stewart R, Stojkovic M, Lako M Mechanisms of self-renewal inhumanembryonicstem cells Eur J Cancer ... Viiri KM, Kaukinen K, Maki M, Lindfors K Extracellular transglutaminase has a role incell adhesion, whereas intracellular transglutaminase is involved in regulation of endothelial cell proliferation...
... Glial cell- derived nerve factor Glial fibrillary acidic protein Glial progenitor cell Homeodomain Humanembryonicstemcell High mobility group Herpes simplex virus thymidine kinase Interferon Interleukin ... feeder-free conditions according to the technical manual “Maintenance of HumanEmbryonicStem Cells in mTeSRTM1” (STEMCELL Technologies Inc.) In brief, H1 hESCs were maintained on BD matrigel hESC-qualified ... domains, which are highly conserved DNA-binding domains In recent years, Sox2 has become widely regarded as a reprogramming factor important for inducing and maintaining 15 pluripotency in ESCs...
... the cardiomyocytesderived from embryonicstem (ES) cells Mouse ES cells can proliferate indefinitely without senescence in vitro in their undifferentiated state in the presence of leukemia inhibitory ... gene interactions AP recordings were performed in single α-MHC cardiomyocytes and in multicellular α-MHC+ cell aggregates at days 11 to 16 Single cardiomyocytes were obtained by dissociating puromycin-purified ... Hescheler J, Sachinidis A: Embryonicstem cells: a promising tool for cell replacement therapy J Cell Mol Med 2004, 8:465-473 Winkler J, Hescheler J, Sachinidis A: Embryonicstem cells for basic...
... triangles-kinase, circles-others) A solid line indicates a direct interaction while a dashed line indicates an indirect interaction A line without an arrowhead indicates binding and a plus sign indicates ... solid line indicates a direct interaction while a dashed line indicates an indirect interaction A line without an arrowhead indicates binding and a plus sign indicates that othernetworks contain ... while a dashed line indicates an indirect interaction A line without an arrowhead indicates binding and a plus sign indicates that othernetworks contain this gene product Figure Ingenuity pathway...
... Guidelines for HumanEmbryonicStemCell Research http://www.nap.edu/catalog/11278.html GUIDELINES FOR HUMANEMBRYONICSTEMCELL RESEARCH Committee on Guidelines for HumanEmbryonicStemCell ... in which hES cells are introduced into nonhuman primate blastocysts or in which any embryonicstem cells are introduced into human blastocysts (iii) No animal into which hES cells have been introduced ... Guidelines for HumanEmbryonicStemCell Research http://www.nap.edu/catalog/11278.html Introduction cell lines demonstrate the need for federal funding of research with NT -derived cell lines or cell...
... properties of derivedcell types [19] Using genome-wide bisulfite sequencing (BS-seq) [21], we have recently determined the DNA methylation profile of the humanembryonicstemcell line HSF1 [22] ... with that in neighboring sequences, defined as ± 500 bp around the binding sites, to assess whether the factor is being affected by specific changes in methylation of the binding site, instead ... counts in the table are compared against the expected values based on the assumption that methylation at C and G is independent Interestingly, we found that, in all cell lines, the methylation in...
... target cells that need to be protected against HIV-1 infection Methods hES cell growth and propagation H1 humanembryonicstemcell line (hES) was obtained from WiCell (Madison, Wisconsin) The ... hES-CD34+ cells whereas studies of Galic et al [20] derived functional T cells from hES-CD34+ cells in vivo using humanized mice Whether the hES derived T cells support HIV-1 infection remains to ... demonstrated the ability of hES cells to differentiate into a myriad of cell types that include neurons, hematopoietic cells, cardiomyocytes, and insulin-secreting cells, to name a few [3-9] Many...
... Introduction 1.1 Derivation of embryonicstem cells 1.2 Regulation of embryonicstem cells 1.2.1 The key properties of ES cells 1.2.2 Extrinsic signalling pathways maintaining ES cell ... following sections 1.2.2 Extrinsic signalling pathways maintaining ES cell pluripotency Embryonicstem cells are maintained by a network of extrinsic and intrinsic signals that collectively regulate ... from cell lines Cell culture Mouse ES cell culture Human ES cell culture Isolation, expansion, and mitotic inactivation of MEF cells Maintenance of HEK293T cells Cryopreservation of cell lines...