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  • Title: [Induction of cell adhesion molecules, E-selectin, VCAM-1 and ICAM-1, in a co-culture of human endothelial and smooth muscle cells].
    Author: Romanov IuA, Kabaeva NV, Dormeneva EV, Pronin AG.
    Journal: Tsitologiia; 1998; 40(12):1045-9. PubMed ID: 10188219.
    Abstract:
    Using immunofluorescence and flow cytometry, we studied the surface expression of cell adhesion molecules, E-selectin, VCAM-1 and ICAM-1, in human umbilical vein endothelial cells (HUVEC) co-cultured with human aortic intimal smooth muscle cells (SMC). It was found that inactivated HUVEC constitutively expressed only ICAM-1. After 3-4 h of co-culturing with SMC in the Transwell system we observed the appearance of E-selectin and VCAM-1, and the increase of ICAM-1 content on the cell surface. In all the cases, the maximum expression of these molecules (85-100% of positively stained cells) was detected within 18-24 h after co-culturing. Similar effect was exerted by SMC-conditioned culture medium, whose action well compared with that of a direct addition of interleukin-1 to EC at a concentration of 5-10 u/ml. The obtained data suggest that the cytokines secreted by SMC may participate in the regulation of endothelial cell adhesion molecule expression, and influence cell accumulation in sites of inflammation, immune disorders, etc.
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