Search for dissertations about: "T. Hansson"
Showing result 1 - 5 of 36 swedish dissertations containing the words T. Hansson.
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1. Duties to Past Persons : Moral Standing and Posthumous Interests of Old Human Remains
Abstract : Genetic research has increasing power to analyse old biological remains. Biological traces of well-known historical persons can reveal personal information. The aim of this thesis is to investigate ethical concerns for the dead, within the biological, historical and archaeological sciences. READ MORE
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2. Considering a Baby? Responsible Screening for the Future : Ethical and social implications for implementation and use of preconception expanded carrier screening in Sweden
Abstract : Preconception expanded carrier screening is a novel technology that involves the offer of a screening test for many recessive diseases (via an expanded screening panel) to prospective parents, with no priori risk. Test positive couples have a number of reproductive choices; prenatal diagnosis and aborting affected fetus, IVF and preimplantation genetic diagnosis, sperm or ovum donation or simply accept the risk. READ MORE
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3. Species interactions and energy transfer in aquatic food webs
Abstract : Food webs are structured by intricate nodes of species interactions which govern the flow of organic matter in natural systems. Despite being long recognized as a key component in ecology, estimation of food web functioning is still challenging due to the difficulty in accurately measuring species interactions within a food web. READ MORE
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4. Transcriptional regulation and effects on differentiation by LMO proteins and the basic helix-loop-helix factors TAL1 and HEN1
Abstract : Acute lymphoblastic leukemia (ALL) is the most widespread type of cancer, as well as the most frequent leukemia in children. Malignant ALL cells originate from normal T lymphocytes or B cells that are blocked at immature stages of differentiation. READ MORE
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5. Phagocyte-induced apoptosis in natural killer cells and T cells. Role of reactive oxygen species and regulation by histamine
Abstract : Malignant tumors frequently contain an infiltrate of leukocytes, usually cells of the monocyte/macrophage lineage and lymphocytes with anti-tumor activity such as natural killer (NK) cells and T cells. Clinical and experimental data suggest that monocytes/macrophages in tumors inhibit functions of adjacent NK cells/T cells and thereby suppress lymphocyte-dependent anti-tumor immunity. READ MORE