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Cited by 522

The DOI matches its Crossref record; 42 of the 42 references it cites were found in a registry or an index.

Wnt-4 is a mesenchymal signal for epithelial transformation of metanephric mesenchyme in the developing kidney

Kispert, Andreas, Vainio, Seppo, McMahon, Andrew P.·1998·Development

Abstract

Development of the mammalian kidney is initiated by ingrowth of the ureteric bud into the metanephric blastema. In response to signal(s) from the ureter, mesenchymal cells condense, aggregate into pretubular clusters, and undergo epithelialisation to form simple epithelial tubules. Subsequent morphogenesis and differentiation of the tubular epithelium lead to the establishment of a functional nephron. Here we demonstrate that Wnt-4, a secreted glycoprotein which is required for tubule formation, is sufficient to trigger tubulogenesis in isolated metanephric mesenchyme, whereas Wnt-11 which is expressed in the tip of the growing ureter is not. Wnt-4 signaling depends on cell contact and sulphated glycosaminoglycans and is only required for triggering tubulogenesis but not for later events. The Wnt-4 signal can be replaced by other members of the Wnt gene family including Wnt-1, Wnt-3a, Wnt-7a and Wnt-7b. Further, dorsal spinal cord, which has been thought to mimic ureteric signaling in tubule induction induces Wnt-4 mutant as well as wild-type mesenchyme suggesting that spinal cord derived signal(s) most likely act by mimicking the normal mesenchymal action of Wnt-4. These results lend additional support to the notion that Wnt-4 is a key auto-regulator of the mesenchymal to epithelial transformation that underpins nephrogenesis adding another level of complexity in the hierarchy of molecular events mediating tubulogenesis.

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Crossref · 10.1242/dev.125.21.4225

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Metadata

Authors
Kispert, A., Vainio, S., & McMahon, A. P.
Venue
Development
Published
1998-11-01
Volume
125
Issue
21
Pages
4225-4234
ISSN
  • 0950-1991 (ISSN-L)
  • 1477-9129
OpenAlex
W2124852687
Cited by
522
References
42
FWCI
6.30
Type
journal article
Language
en
Open access
closed

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