Abstract
Adhesion molecules play an important role in inflammatory and immunological responses. We assessed the expression pattern of intercellular adhesion molecule-1 (ICAM-1) and lymphocytefunction-associated antigen-1 (LFA-1) in the livers of mice experimentally infected with Schistosoma mansoni and in synchronous hepatic granulomas induced by injection of soluble egg antigen (SEA)-coupled Sepharose beads in a mesenteric vein of mice. By immunohistochemistry, confocal laser scanning microscopy, and immunoelectron microscopy, ICAM-1 was localized on endothelial cells, sinusoidal-lining cells (Kupffer cells and sinusoidal endothelium), the hepatocyte cell membrane facing Disse's space, and inflammatory cells in the granuloma. LFA-1 was visualized on the inflammatory cells of the granuloma and on phagocytic sinusoidal-lining cells, most likely Kupffer cells. ICAM-1- and LFA-1-immunoreactive cells were present in the granuloma as early as at 3 days after injection of SEA-coupled beads and persisted with time. As granulomas became older, nonimmunoreactive granuloma cells appeared. We conclude that adhesion molecules play an important role in the genesis of the schistosomal granuloma.
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Received: 16 September 1996 / Accepted: 24 October 1996
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Jacobs, W., Bogers, J., Deelder, A. et al. Expression of intercellular adhesion molecule-1 and lymphocytefunction-associated antigen-1 in experimental Schistosoma mansoni infection and in synchronous periparticular hepatic granulomas in mice: immunohistochemistry, confocal laser scanning microscopy, and immunoelectron microscopy. Parasitol Res 83, 405–412 (1997). https://doi.org/10.1007/s004360050273
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DOI: https://doi.org/10.1007/s004360050273