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Cell. 1988 Jul 15;54(2):235-45.

Antibodies to cell surface ganglioside GD3 perturb inductive epithelial-mesenchymal interactions.

Author information

1
Friedrich-Miescher-Laboratorium, Max-Planck-Gesellschaft, Tübingen, Federal Republic of Germany.

Abstract

Most epithelial sheets emerge during embryogenesis by a branching and growth of the epithelium. The surrounding mesenchyme is crucial for this process. We report that branching morphogenesis and the formation of a new epithelium from the mesenchyme in the embryonic kidney can be blocked by a monoclonal antibody reacting with a surface glycolipid, disialoganglioside GD3. In contrast, a more than 10-fold excess of antibodies to adhesive glycoproteins (N-CAM, L-CAM, fibronectin) fails to inhibit morphogenesis. Although the anti-GD3 antibody affected epithelial development, the disialoganglioside GD3 was expressed not in the epithelium, but in the mesenchyme surrounding the developing epithelia. The data raise the intriguing possibility that the anti-GD3 antibody inhibits epithelial development by interfering with epithelial-mesenchymal interactions.

PMID:
3292056
DOI:
10.1016/0092-8674(88)90556-9
[Indexed for MEDLINE]

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