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Related Experiment Videos

Fibrin(-ogen) interactions with plasmin.

P J Gaffney

    Haemostasis
    |January 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    This review covers fibrinogenolysis and fibrinolysis, detailing how plasmin breaks down fibrinogen and fibrin. It highlights key fragments like D dimer and their clinical significance in cross-linked fibrin.

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    Area of Science:

    • Biochemistry
    • Hematology
    • Molecular Biology

    Background:

    • Plasmin plays a crucial role in the breakdown of fibrinogen and fibrin.
    • Understanding fibrinogenolysis and fibrinolysis is essential for comprehending hemostasis and thrombosis.

    Purpose of the Study:

    • To review the major events in fibrinogenolysis and fibrinolysis.
    • To correlate the locations of fibrinogenolysis products (X, Y, D, E) within the fibrinogen molecule.
    • To discuss the implications of cross-linked fibrin digests, particularly D dimer and D dimer-E complex.

    Main Methods:

    • Literature review of plasmin-mediated degradation of fibrinogen and fibrin.
    • Analysis of fragmentation patterns and product structures.
    • Discussion of clinical and structural relevance of specific fibrin fragments.

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    Main Results:

    • Detailed description of fibrinogenolysis, yielding fragments X, Y, D, and E.
    • Explanation of fibrinolysis and the increasing complexity of digests with fibrin cross-linking.
    • Identification of D dimer and D dimer-E complex as unique markers of cross-linked fibrin breakdown.

    Conclusions:

    • The study provides a comprehensive overview of fibrin breakdown pathways.
    • It emphasizes the structural relationships of fibrinogenolysis products.
    • The clinical and structural significance of D dimer and related complexes in thrombotic states is highlighted.