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  • Title: Localization of factor VIII-procoagulant antigen: an immunohistological survey of the human body using monoclonal antibodies.
    Author: van der Kwast TH, Stel HV, Cristen E, Bertina RM, Veerman EC.
    Journal: Blood; 1986 Jan; 67(1):222-7. PubMed ID: 3079642.
    Abstract:
    Various organs, including liver, spleen, heart, lung, kidney, intestines, lymph nodes, pancreas, bone marrow, and thymus, were investigated for the presence of factor VIII-procoagulant antigen (VIIICAg) and factor VIII-related antigen (VIIIRAg), using a panel of monoclonal antibodies directed to factor VIII-von Willebrand factor in combination with a sensitive immunoperoxidase staining technique. In addition to hepatic sinusoidal endothelial cells, the presence of VIIICAg was demonstrated in mononuclear cells sporadically present in lymph nodes, in the alveolar septa of lung, and in the red pulp of spleen. The identity of these mononuclear cells could not be unequivocally determined. Based on morphological criteria, however, it is tentatively concluded that these cells are nonlymphoid and belong to the mononuclear phagocyte system. The presence of VIII-RAg was confined to vascular endothelial cells, hepatic sinusoidal endothelial cells, cells lining the venous sinuses of the red pulp of the spleen, cells lining renal glomeruli and lung capillaries, platelets, and megakaryocytes.
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