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Showing result 1 - 5 of 118 swedish dissertations matching the above criteria.

  2. 1. Purification of general RNA polymerase II transcription factors from mouse for studies of proliferation-specific transcription

    Author : Irina Kotova; Lars-Gunnar Larsson; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Molecular genetics; Genetik; Genetics; Genetik;

    Abstract : Accurate initiation of transcription by RNA polymerase II depends on general transcription factors (GTFs), which include the TATA-binding protein (TBP) and the transcription factors (TF) IIB, IIF, IIE and IIH. In order to reconstitute mouse transcription in vitro, we cloned the genes encoding mouse TFIIB, and both subunits of TFIIE and TFIIF from a mouse cDNA library. READ MORE

  4. 2. The genetics of systemic lupus erythematosus : Mapping of susceptibility loci for human SLE

    Author : Anna-Karin B. Lindqvist; Uppsala universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Genetics; Systemic lupus erythematosus; complex diseases; genetic susceptibility; linkage analysis; genome scan; candidate gene; Genetik; Clinical genetics; Klinisk genetik; Medical Genetics; medicinsk genetik;

    Abstract : Systemic lupus erythematosus (SLE) is a systemic autoimmune disease affecting organs such as skin, jointsand kidneys. Characteristic for the disease is increased production of autoantibodies, in particular against dsDNA. Previous studies of SLE in mouse models and in humans indicate polygenic inheritance and genetic heterogeneity. READ MORE

  5. 3. The Functional Significance and Chromatin Organisation of the Imprinting Control Regions of the H19 and Kcnq1 Genes

    Author : Meena Kanduri; Rolf Ohlsson; Karl Ekwall; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Molecular genetics; DNA methylation; Imprinting control region; Chromatin; Insulator; Nucleosome positioning; Genetik; Genetics; Genetik;

    Abstract : Genomic imprinting is a phenomenon through which a subset of genes are epigenetically marked during gemtogenisis. This mark is maintained in the soma to often manifest parent of origin-specific monoalleleic expresson patterns. READ MORE

  6. 4. Studies of the Ribosomal Protein S19 in Erythropoiesis

    Author : Hans Matsson; Niklas Dahl; Leif Carlsson; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Molecular genetics; RPS19; Rps19; erythropoiesis; erythroblastopenia; Diamond-Blackfan; anemia; Genetik; Genetics; Genetik;

    Abstract : Ribosomal proteins are components of the ribosome, the protein synthesis machinery. The ribosomal protein S19 gene (RPS19) is mutated in Diamond-Blackfan anemia, DBA, which is a rare congenital anemia with absence or reduction of erythroid precursors in bone marrow. In this thesis, the role of RPS19 in erythropoiesis is investigated. READ MORE

  7. 5. Feedback Enhancement of Antibody Responses via Complement and Fc Receptors

    Author : Jörgen Dahlström; Uppsala universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Genetics; Mouse; transgenic knockout; immune regulation; B lymphocytes; Fc receptors; complement; IgG; IgM; IgE; Fc-gamma-RI; Fc-gamma-RII; Fc-gamma-RIII; CR1; CR2; CD21; CD35; Genetik; Clinical genetics; Klinisk genetik; Pathology; patologi;

    Abstract : IgG, IgM and IgE in complex with antigen have the capacity to regulate specific immune responses. In this investigation, the role of Fc receptors for IgG (FcγRI, FcγRII and FcγRIII) and complement receptors 1 and 2 (CR1/2) for antibody-mediated enhancement of antibody responses are investigated. READ MORE