Cell to cell adhesion systems in Xenopus laevis, the South African clawed toad. II: Monoclonal antibody against a novel Ca2+-dependent cell-cell adhesion glycoprotein on amphibian cells |
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Authors: | K Nomura T Tajima H Nomura H Shiraishi M Uchida K Yamana |
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Institution: | Department of Biology, Faculty of Science, Kyushu University, Fukuoka, Japan. |
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Abstract: | We isolated a mouse monoclonal antibody that disrupts Ca2+-dependent cell-cell adhesion of amphibian (Xenopus laevis) cells. When added to culture medium, the monoclonal antibody completely disrupted cell-cell adhesion of amphibian cells in monolayer culture and specifically inhibited Ca2+-dependent cell-cell adhesion of dissociated cells in reaggregation experiments. The monoclonal antibody recognized a 140 kDa cell surface glycoprotein antigenically different from the previously reported Ca2+-dependent cell-cell adhesion molecules (cadherins). |
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