Sökning: "phagocytosis and macrophage"

Visar resultat 1 - 5 av 46 avhandlingar innehållade orden phagocytosis and macrophage.

  1. 1. Towards a detailed understanding of the red blood cell storage lesion : and its consequences for in vivo survival following transfusion

    Författare :Andreas Hult; Christer Malm; Per-Arne Oldenborg; Martin L. Olsson; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Red blood cell; erythrocyte; transfusion; macrophage; phagocytosis; storage lesion; eryptosis; Class A scavenger receptor; transfusion medicine; transfusionsmedicin;

    Sammanfattning : Red blood cells (RBCs) are vital for oxygen delivery to tissues and constitute the vast majority of all cells in blood. After leaving the red bone marrow as mature cells, RBCs have a lifespan of approximately 120 days before they are removed from the circulation by macrophages, mainly in the spleen and liver. LÄS MER

  3. 2. Leishmania donovani Lipophosphoglycan : Modulation of Macrophage and Dendritic Cell Function

    Författare :Katarina Tejle; Birgitta Rasmusson; Karl-Eric Magnusson; Olle Stendahl; Marita Troye-Blomberg; Linköpings universitet; []
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; Lipophosphoglycan; Leishmania donovani; macrophage; actin; phagocytosis; PKC alpha; dendritic cell; Microbiology and immunology; Mikrobiologi och immunologi;

    Sammanfattning : Leishmania donovani is a blood-borne tropicial parasite, which infects humans through bites by Phlebotomus sandflies. The parasite survives and multiplies inside macrophages in inner organs, and causes the deadly disease visceral leishmaniasis (Kala-Azar). LÄS MER

  4. 3. The importance of monocyte and granulocyte activation in rheumatoid arthritis and primary Sjögren's syndrome

    Författare :Ingunn Torsteinsdóttir; Uppsala universitet; []
    Nyckelord :Medical sciences; Rheumatoid arthritis; primary Sjögren s syndrome; peripheral blood; monocyte; macrophage; neutrophil; eosinophil; adhesion; phagocytosis; respiratory burst; CRP; MEDICIN OCH VÅRD; MEDICINE; MEDICIN; Clinical Chemistry; klinisk kemi;

    Sammanfattning : Macrophages and neutrophils infiltrate the synovium and synovial fluid in rheumatoid arthritis (RA). These cells are considered to contribute to the destructive process in RA.The expression of adhesion and phagocytosis receptors on the surface of peripheral granulocytes and monocytes was increased in patients with RA. LÄS MER

  5. 4. Mechanisms involved in macrophage phagocytosis of apoptotic cells

    Författare :Anna Nilsson; Per-Arne Oldenborg; Karl-Eric Magnusson; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; macrophages; dendritic cells; phagocytosis; apoptotic cells; senescent erythrocytes; CD47; SIRPalpha; LRP1; calreticulin; Immunology; Immunologi; immunologi; Immunology;

    Sammanfattning : Efficient removal of apoptotic cells is critical for development, tissue remodelling, maintenance of homeostasis, and response to injury. Phagocytosis of apoptotic cells is mediated by many phagocytic receptors, soluble bridging molecules, and pro-phagocytic ligands on the surface of apoptotic cells. LÄS MER

  7. 5. Role of the CD47/SIRPα-interaction in regulation of macrophage phagocytosis

    Författare :Mattias Olsson; Per-Arne Oldenborg; Hans Tapper; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Medicine; immunology; cell biology; Histology; Histologi;

    Sammanfattning : CD47 is a cell surface glycoprotein that is expressed by virtually all cells in the body. Binding of CD47 to the macrophage receptor Signal Regulatory Protein alpha (SIRPα) yields an inhibitory signal that counteracts phagocytosis. LÄS MER