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  • Title: Intracellular factor XIII: cellular distribution of factor XIII subunit a in humans.
    Author: Adány R.
    Journal: Semin Thromb Hemost; 1996; 22(5):399-408. PubMed ID: 8989823.
    Abstract:
    In addition to the plasma where factor XIII subunit A is present as part of the heterodimers of the tetrameric fibrin-stabilizing factor, homodimers of factor XIII A can also be detected in cellular localization in different human tissues. Experimental findings verified that these cells belong to the megakaryocyte/ platelet and the monocyte/macrophage cell lines. Additionally, factor XIII A is present in hepatocytes localized mainly around central veins in the liver and occasionally expressed in certain malignantly transformed cells. It is reasonable to suppose that factor XIII A acts not only as a member of the clotting cascade, but also as a cellular enzyme that can catalyze molecular interactions intracellularly (during the assembly/reassembly of the cytoskeleton) or extracellularly (in the connective tissue matrix around the cells containing it).
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