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  • Title: Adhesion molecules involved in pleural dissemination of esophageal cancer cells.
    Author: Nakashio T, Narita T, Kimura N, Akiyama S, Kasai Y, Ito K, Takagi H, Kannagi R.
    Journal: Oncol Rep; 1996 Nov; 3(6):1063-6. PubMed ID: 21594508.
    Abstract:
    Pleural dissemination is a common cause of recurrence after surgery of patients with esophageal cancer. Very little is known about the biochemical processes involved in the initial attachment of cancer cells to pleural mesothelial cells. The authors conducted in vitro and in vivo studies to assess the role of adhesion molecules in this process, using 2 cell lines derived from human esophageal cancer. TE-1 cells, which pronouncedly express CD44H, adhered to the monolayers of mesothelial cells more firmly than T.Tn cells. On the other hand, the adhesion of TE-I cells to mesothelial cells was markedly inhibited by antibodies to CD44H or the beta(1) integrin subunit, and more strongly blocked by using a combination of the two antibodies. These antibodies inhibited the dissemination of TE-1 cells in the pleural cavity of nude mice. The findings suggest that CD44 and integrin play important roles in the initial attachment of esophageal cancer cells to mesothelial cells.
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