Disruption of cell adhesion in Xenopus embryos by Pagliaccio, an Eph-class receptor tyrosine kinase

被引:71
作者
Winning, RS [1 ]
Scales, JB [1 ]
Sargent, TD [1 ]
机构
[1] NICHHD,MOL GENET LAB,NIH,BETHESDA,MD 20892
关键词
D O I
10.1006/dbio.1996.0262
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
Pagliaccio (Pag) is a receptor tyrosine kinase of the Eph family that is expressed in Xenopus embryos in a diverse set of localized tissues. Fag is the Xenopus homolog of Hek-8 (human), Sek-1 (mouse), cek8 (chicken), and RTK-1 (zebrafish). We have investigated the function of this protein by injecting RNA encoding an epidermal growth factor receptor-Fag chimera into early Xenopus embryos. Activation of the chimeric receptor results in a kinase-dependent loss of cell-cell adhesion. This dissociation can be reversed by co-injection of RNA encoding C-cadherin, suggesting that one or more cadherins could be the functional targets for Fag activity. (C) 1996 Academic Press, Inc.
引用
收藏
页码:309 / 319
页数:11
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