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Thrombozytenadhäsion und -aggregation

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Zusammenfassung

Die physiologische Funktion von Thrombozyten ist die Blutstillung. Dies erfordert die Adhäsion an eine alterierte vaskuläre Oberfläche und eine schnelle zelluläre Aktivierung, welche eine Anreicherung des wachsenden Thrombus mit weiteren Thrombozyten und Fibrin ermöglicht. Andererseits können Thrombozyten durch Thrombusbildung in erkrankten Arterien zum Verschluss von Arterien, zur Ischämie und Gewebeschädigung beitragen. Das Gleichgewicht zu halten zwischen kontinuierlichem Blutfluss und schneller Thrombusformation ist eine Schlüsselfunktion, die den Endothelzellen zukommt. Durch Dysfunktion des vaskulären Endothels oder Diskontinuität mit Freilegung subendothelialer Matrix kommt es zur Thrombusbildung. Die thrombozytäre Reaktion entsteht in einer Kaskade verschiedener komplexer und miteinander interagierender Einzelschritte.

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Langer, H.F., Gawaz, M. (2010). Thrombozytenadhäsion und -aggregation. In: Pötzsch, B., Madlener, K. (eds) Hämostaseologie. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-01544-1_7

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  • DOI: https://doi.org/10.1007/978-3-642-01544-1_7

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-01543-4

  • Online ISBN: 978-3-642-01544-1

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