作者
Madeleine Durbeej, Erik Larsson, Oxana Ibraghimov-Beskrovnaya, Steven L Roberds, Kevin P Campbell, Peter Ekblom
发表日期
1995/7/1
期刊
The Journal of cell biology
卷号
130
期号
1
页码范围
79-91
简介
The dystroglycan complex is a transmembrane linkage between the cytoskeleton and the basement membrane in muscle. One of the components of the complex, alpha-dystroglycan binds both laminin of muscle (laminin-2) and agrin of muscle basement membranes. Dystroglycan has been detected in nonmuscle tissues as well, but the physiological role in nonmuscle tissues has remained unknown. Here we show that dystroglycan during mouse development in nonmuscle tissues is expressed in epithelium. In situ hybridization revealed strong expression of dystroglycan mRNA in all studied epithelial sheets, but not in endothelium or mesenchyme. Conversion of mesenchyme to epithelium occurs during kidney development, and the embryonic kidney was used to study the role of alpha-dystroglycan for epithelial differentiation. During in vitro culture of the metanephric mesenchyme, the first morphological signs of …
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