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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 55 (1977), S. 1079-1087 
    ISSN: 1432-1440
    Keywords: Malignant tumors ; Fibrin(ogen) ; Blood coagulation ; Pathogenetic mechanisms ; Therapeutical implications ; Malignome ; Fibrin(ogen) ; Blutgerinnung ; Pathogenetische Mechanismen ; Therapeutische Folgerungen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Fibrinogen und Fibrin, Endsubstrat und Endprodukt des Gerinnungssystems, scheinen bei der Entwicklung und Ausbreitung von Malignomen die Rolle eines pathogenetischen Bindegliedes zu spielen. In der Literatur zeigen die Forschungsergebnisse, daß Fibrin insbesondere in die Initialphase der hämatogenen Metastasierung eingreift. Für die häufig anzutreffende, oft reichliche Fibrinablagerung in Tumoren konnten mehrere tumorspezifische Mechanismen nachgewiesen werden. Die Ergebnisse der zitierten Forschungsarbeiten weisen auf die Bedeutung des intratumorös abgelagerten Fibrins für Tumorzelle und -zellverband hin. Die von verschiedenen Autoren berichteten Fibrinanreicherungen in tierexperimentellen Tumoren werden semiquantitativ verglichen. Die Diskussion der therapeutischen und diagnostischen Konsequenzen, die auf einer möglichen Schlüsselstellung des Fibrin(ogen)s in der Tumorpathologie beruhen, zeigt bekannte und noch zu untersuchende Möglichkeiten.
    Notes: Summary It seems evident that fibrinogen and fibrin representing the final substrate und product of clotting system act as pathogenetic connecting links for development and spread of malignant tumors. The results reported demonstrate the influence of fibrin on the initial phase of haematogenic metastasis particularly. Several tumor-specific mechanisms are shown to cause frequently an accumulation of fibrin in malignant tumors. The results discussed here stress the importance of fibrin in tumors for tumor cells and tumor cell units. In the literature a large number of indications to fibrin depositions in experimental tumors is found, an attempt is made to compare these findings semiquantitatively. The last part of this article discusses the therapeutic and diagnostic consequences based on the possible key position of fibrin(ogen) in the tumor pathology.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Archives of gynecology and obstetrics 233 (1982), S. 7-14 
    ISSN: 1432-0711
    Keywords: Amniotic fluid ; Fetal lung maturity ; Procoagulant activity ; Prophylactic betamethasone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The procoagulant activity of amniotic fluid (AF) increases with advancing gestational age. AF samples (N = 276) were measured by a modified recalcification time method. The results were expressed as equivalents of Russell's viper venom (RVV) which acts in a similar way as AF by way of direct activation of coagulation factor X. After week 35 of pregnancy RVV values reached or passed 0.09 μg/ml. This value represents a treshold indicating fetal lung maturity. In 124 cases postnatal lung maturity was related to RVV equivalents. The predictive value of a mature result was 99.1%, that of an immature one 52.2%. When comparing RVV values with the lung status, surface tension measurements, and L/S ratio a high correlation was found. L/S ratio and procoagulant activity had a correlation coefficient ofr = 0.60. Betamethasone seemed to produce the expected changes in the results of RVV assays and surface tension measurements.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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