Search for dissertations about: "human embryonic stem cells"

Showing result 6 - 10 of 155 swedish dissertations containing the words human embryonic stem cells.

2. 6. Molecular specification of expanded forebrain neural stem and progenitor cells

   Author : Malin Parmar; Neurobiologi; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; teratology; ontogeny; embryology human ; Development biology; developmental control genes; in vitro expansion; transplantation; precursor cell; stem cells; progenitor cell; human; mouse; Utvecklingsbiologi; teratologi; embryologi människa ;

   Abstract : The molecular specification of neural precursor cells has been suggested to be a progressive process, with a transition from an early requirement for extrinsic signals to intrinsic mechanisms. Thus, the cells in the nervous system acquire distinct fates in response to extrinsic signals, which activate repertoires of transcription factors in a region and cell type specific manner. READ MORE

4. 7. Development of Gene Therapy for Hematopoietic Stem Cells using Lentiviral Vectors

   Author : Niels-Bjarne Woods; Andreas Ooka; Stefan Karlsson; Avdelningen för molekylärmedicin och genterapi; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; embryonic stem cell; Hematopoietic stem cell; lentiviral vector; transduction efficiency; transgene expression; multiple vector copy integration; insertional mutagenesis; NOD SCID mouse; cytogenetics; Genetics; extracellulära vätskor; extracellular fluids; cytogenetik; Genetik; Haematology; Hematologi; Lentivirus : genetics; Human; Genetic Vectors; Hematopoietic Stem Cells : metabolism; Animal; Gene Therapy; Leukemia : therapy; Leukemia : metabolism;

   Abstract : Hematopoietic stem cells are an ideal target for genetic manipulation for the purpose of curing hematological disorders as they have the ability to develop into all blood lineages and to self-renew. In this study we demonstrate that lentiviral vectors, based on HIV-1, can efficiently transfer genes into human hematopoietic progenitor and stem cells as assessed following stem cell transplantation in immune compromised mice. READ MORE

5. 8. Human Embryonic Stem Cells; A novel model system for early human development

   Author : Karin Gertow; Lars Ährlund-Richter; Henrik Semb; Karolinska Institute; Karolinska Institutet; Karolinska Institutet; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; human embryonic stem cells; Human embryonic stem cells; model system; differentiation; xeno-grafting; teratoma; development; karyotype; chromosomal integrity; variant.;

   Abstract : Human embryonic stem cells (HESC) have since their first description in 1998 been recognized as a theoretically endless source of cells capable of differentiation into any somatic cell type. Although great attention has been given to their potential use in cell- based therapy, they are equally important as research tools for studies on early human development, both normal and diseased. READ MORE

6. 9. Pluripotent Stem Cells of Embryonic Origin : Applications in Developmental Toxicology

   Author : Måns Jergil; Lennart Dencker; Aldert Piersma; Uppsala universitet; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Embryonic stem cell; Microarray; Toxicogenomics; Valproic acid; Developmental toxicology; Teratogenicity; Neural tube defects; Histone deacetylase inhibitor; In vitro toxicology; Toxicology; Toxikologi; Toxicology; Toxikologi;

   Abstract : General toxicity evaluation and risk assessment for human exposure is essential when developing new pharmaceuticals and chemicals. Developmental toxicology is an important part of this risk assessment which consumes large resources and many laboratory animals. READ MORE

7. 10. Transcriptional profiling of human embryonic stem cells and their functional derivatives

   Author : Jane Synnergren; Göteborgs universitet; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; transcription; differentiation; human embryonic stem cells; gene expression; Naturvetenskap;

   Abstract : Human embryonic stem cells (hESCs) represent populations of pluripotent, undifferentiated cells with unlimited replication capacity, and with the ability to differentiate into any functional cell type in the human body. Based on these properties, hESCs and their derivatives provide unique model systems for basic research on embryonic development. READ MORE