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  • 1975-1979  (2)
  • 1960-1964
  • 1930-1934
  • Alveolar lining cells  (1)
  • Filtration leukapheresis  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Virchows Archiv 372 (1976), S. 39-49 
    ISSN: 1432-2307
    Keywords: Pulmonary fibrosis ; Alveolar lining cells ; Pulmonary interstitial cells
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary An ultrastructural study of the cells that line air spaces in human pulmonary fibrosis is reported. Intimate associations between these cells and cellular elements in the interstitium were consistently found in biopsies from 25 cases. Cytoplasmic extensions of cuboidal pneumocytes protruded through discontinuities in the subjacent basement membrane. Attenuated cells having structural properties of fibroblasts were situated on connective tissue that formed the walls of numerous air spaces. In this situation, a basement membrane was not demonstrable. These heretofore undescribed features suggest a dynamic interaction between certain mesenchymal and epithelial elements in the fibrotic lung.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 56 (1978), S. 409-414 
    ISSN: 1432-1440
    Keywords: Filtrationsleukapherese ; Granulozyten ; Phagozytose ; Intrazelluläre Keimabtötung ; Chemotaxis ; Filtration leukapheresis ; Granulocytes ; Phagocytosis ; Intracellular microbicidal activity ; Chemotaxis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary A simple continuous filtration leukapheresis has been devised whereby two Leuko-Pak filters can be charged and eluted within 5 h with approximately 12 l of blood in a closed system of tubes. Blood flows by means of gravity without the use of pumps. Without premedication with prednisolone the average yield from 10 donors was 3.66×1010 granulocytes per leukapheresis and after premedication with 150 mg prednisolone orally it was 6.44×1010 granulocytes per leukapheresis. The in vitro function of filter granulocytes was not reduced even after premedication with prednisolone. In comparison with leukapheresis by blood cell separators this modified method of filtration leukapheresis offers the following advantages: 1) the granulocyte yield per litre of whole blood processed is higher, 2) technical assistants in a blood-bank can carry out the method on several donors simultaneously, 3) the method is more economical than leukapheresis by blood cell separators.
    Notes: Zusammenfassung Es wurde eine einfache kontinuierliche Filtrationsleukapherese (FL) zur Gewinnung von Granulozyten entwickelt, mit der zwei Leuko-Pak-Filter innerhalb von 5 h mit etwa 12 Liter Blut im geschlossenen System beschickt und eluiert werden können. Der Blutfluß erfolgt dabei ohne Pumpe allein durch Schwerkraft. Die durchschnittliche Ausbeute betrug bei 10 Spendern ohne Vorbehandlung mit Prednisolon 3,66×1010 Granulozyten pro Leukapherese, nach Vorbehandlung mit 150 mg Prednisolon p.o. 6,44×1010 Granulozyten pro Leukapherese. In vitro-Tests zeigten, auch nach Gabe von Prednisolon, keine Einschränkung der Funktionsfähigkeit der Filtergranulozyten. Die vorliegende modifizierte Form der FL hat im Vergleich zur Leukapherese durch Blutzellseparatoren folgende Vorteile: 1. Die Granulozytenausbeute bezogen auf Liter separiertes Vollblut ist höher. 2. Die Methode kann durch Hilfspersonal in einer Blutbank an mehreren Spendern gleichzeitig durchgeführt werden und sie ist 3. wirtschaftlicher als die Leukapherese mit Blutzellseparatoren.
    Type of Medium: Electronic Resource
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