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Am J Pathol. 1991 Feb;138(2):385-93.

Vascular and nonvascular expression of INCAM-110. A target for mononuclear leukocyte adhesion in normal and inflamed human tissues.

Author information

1
Department of Pathology, Brigham and Women's Hospital, Boston, MA 02115.

Abstract

Inducible cell adhesion molecule 110 (INCAM-110), is a 110-kd adhesion receptor for lymphocytes and monocytes identified on cytokine-activated endothelium. Using immunoperoxidase techniques, little or no INCAM-110 was detected on endothelium in normal human tissues. In contrast, INCAM-110 was expressed in postcapillary venules in a variety of active inflammatory processes. In acute appendicitis, INCAM-110 was found coincident with strong expression of endothelial leukocyte adhesion molecule 1 (ELAM-1), a cytokine-inducible molecule that functions in neutrophil adhesion. However, in certain chronic inflammatory processes (eg, sarcoidosis), INCAM-110 was observed without simultaneous ELAM-1 expression. Anti-INCAM-110 antibody E1/6 also marked several extravascular cell types, including lymphoid dendritic cells, some tissue macrophages, synovial lining cells, and reactive mesothelial cells. These data suggest a role for endothelial INCAM-110 in the pathophysiology of both acute and chronic inflammatory reactions. Furthermore INCAM-110 may function as an adhesion molecule for mononuclear leukocytes in a variety of extravascular sites.

PMID:
1704191
PMCID:
PMC1886196
[Indexed for MEDLINE]
Free PMC Article

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