2012年4月
Cadherin-dependent differential cell adhesion in Xenopus causes cell sorting in vitro but not in the embryo
JOURNAL OF CELL SCIENCE
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- 巻
- 125
- 号
- 8
- 開始ページ
- 1877
- 終了ページ
- 1883
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1242/jcs.095315
- 出版者・発行元
- COMPANY OF BIOLOGISTS LTD
Adhesion differences between cell populations are in principle a source of strong morphogenetic forces promoting cell sorting, boundary formation and tissue positioning, and cadherins are main mediators of cell adhesion. However, a direct link between cadherin expression, differential adhesion and morphogenesis has not yet been determined for a specific process in vivo. To identify such a connection, we modulated the expression of C-cadherin in the Xenopus laevis gastrula, and combined this with direct measurements of cell adhesion-related parameters. Our results show that gastrulation is surprisingly tolerant of overall changes in adhesion. Also, as expected, experimentally generated, cadherin-based adhesion differences promote cell sorting in vitro. Importantly, however, such differences do not lead to the sorting of cells in the embryo, showing that differential adhesion is not sufficient to drive morphogenesis in this system. Compensatory recruitment of cadherin protein to contacts between cadherin-deprived and -overexpressing cells could contribute to the prevention of sorting in vivo.
- リンク情報
- ID情報
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- DOI : 10.1242/jcs.095315
- ISSN : 0021-9533
- PubMed ID : 22328523
- Web of Science ID : WOS:000304535400005