Search for dissertations about: "RHO Proteins"

Showing result 1 - 5 of 50 swedish dissertations containing the words RHO Proteins.

  1. 1. Cell signaling by Rho and Miro GTPases : Studies of Rho GTPases in Cytoskeletal Reorganizations and of Miro GTPases in Mitochondrial Dynamics

    Author : Åsa Fransson; Pontus Aspenström; Harry Mellor; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Ras superfamily; Rho GTPases; cytoskeleton; Miro GTPases; mitochondrial dynamics; Cell and molecular biology; Cell- och molekylärbiologi;

    Abstract : The Ras superfamily of GTPases embraces six major branches of proteins: the Ras, Rab, Ran, Arf, Rho and Miro subfamilies. The majority of GTPases function as binary switches that cycle between active GTP-bound and inactive GDP-bound states. This thesis will focus primarily on the biological functions of the Rho and Miro proteins. READ MORE

  2. 2. Statins, Lipids, and Mutations: Consequences for the Heart and Immune System

    Author : Emil G. Ivarsson; Göteborgs universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; CAAX Proteins; Statins; RHO Proteins; Dilated Cardiomyopathy;

    Abstract : CAAX proteins are a group of proteins that undergo a three-step protein maturation process that renders the proteins carboxyl-terminus hydrophobic and prone to localize to cellular membranes, where they have their primary function. The first step in this process is called prenylation, which is the covalent attachment of a lipid, either a 15-carbon farnesyl or a 20-carbon geranylgeranyl lipid, to the carboxyl-terminal cysteine residue by the enzymes farnesyltransferase (FTase) and geranylgeranyltransferase type I (GGTase-I), respectively. READ MORE

  3. 3. Defining the Role of GGTase-I in the Development of Rheumatoid Arthritis and Atherosclerosis

    Author : Omar M. Khan; Göteborgs universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; GGTase-I; Inflammation; RHO proteins; Rheumatoid Arthritis; Atherosclerosis;

    Abstract : RHO family proteins control cell movement and intracellular signaling by cycling between active GTP-bound and inactive GDP-bound states. Aberrant signaling of RHO GTPases has been implicated in many diseases including cancer and inflammation. READ MORE

  4. 4. RICH-1, a Multifunctional RhoGAP Domain-containing Protein, Involved in Regulation of the Actin Filament System and Membrane-trafficking

    Author : Ninna Richnau; Pontus Aspenström; Carl-Henrik Heldin; Bengt Hallberg; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Cell and molecular biology; Rho GTPase; RhoGAP; actin; BAR domain; membrane-trafficking; formin homology proteins; Cell- och molekylärbiologi; Cell and molecular biology; Cell- och molekylärbiologi;

    Abstract : The Rho GTPases, which are related to the Ras family of proto-oncogenes, have been found to have important roles in regulating the morphogenic and migratory properties of eukaryotic cells. In addition, these proteins have been shown to regulate aspects of cell signaling, cell growth, cell division and cell survival. READ MORE

  5. 5. Defining the importance of protein geranylgeranylation in innate immunity

    Author : Murali K Akula; Göteborgs universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; CAAX proteins; GGTase-I; RAC1; statins;

    Abstract : RHO family proteins and other intracellular proteins are prenylated with a 20-carbon lipid—a product of the cholesterol synthesis pathway—by protein geranylgeranyltransferase type I (GGTase-I). Prenylation is widely believed to target proteins to membranes where they encounter effector molecules that stimulate GTP-binding and activation. READ MORE