Wnts as morphogens?: The view from the wing of Drosophila

被引:46
作者
Arias, AM [1 ]
机构
[1] Univ Cambridge, Dept Genet, Cambridge CB2 3EH, England
基金
英国惠康基金;
关键词
D O I
10.1038/nrm1078
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Morphogens are diffusible signalling molecules that pattern cellular fields by setting up differential gene expression in a concentration-dependent manner. Members of the Wnt family of signalling molecules are generally considered to be classical morphogens. However, a close analysis of their activity indicates that they do not fulfil all of the critera that are associated with the classical definition.
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页码:321 / 325
页数:5
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