{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T12:02:11Z","timestamp":1790942531434,"version":"4.1.0"},"reference-count":58,"publisher":"The Company of Biologists","issue":"9","license":[{"start":{"date-parts":[[2001,5,1]],"date-time":"2001-05-01T00:00:00Z","timestamp":988675200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/www.biologists.com\/user-licence-1-1\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2001,5,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p>Epithelial-mesenchymal tissue interactions regulate the formation of signaling centers that play a role in the coordination of organogenesis, but it is not clear how their activity leads to differences in organogenesis. We report that type XVIII collagen, which contains both a frizzled and an endostatin domain, is expressed throughout the respective epithelial bud at the initiation of lung and kidney organogenesis. It becomes localized to the epithelial tips in the lung during the early stages of epithelial branching, while its expression in the kidney is confined to the epithelial stalk region and is lost from the nearly formed ureter tips, thus displaying the reverse pattern to that in the lung. In recombinants, between ureter bud and lung mesenchyme, type XVIII collagen expression pattern in the ureter bud shifts from the kidney to the lung type, accompanied by a shift in sonic hedgehog expression in the epithelium. The lung mesenchyme is also sufficient to induce ectopic lung surfactant protein C expression in the ureter bud. Moreover, the shift in type XVIII collagen expression is associated with changes in ureter development, thus resembling aspects of early lung type epigenesis in the recombinants. Respecification of collagen is necessary for the repatterning process, as type XVIII collagen antibody blocking had no effect on ureter development in the intact kidney, whereas it reduced the number of epithelial tips in the lung and completely blocked ureter development with lung mesenchyme. Type XVIII collagen antibody blocking also led to a notable reduction in the expression of Wnt2, which is expressed in the lung mesenchyme but not in that of the kidney, suggesting a regulatory interaction between this collagen and Wnt2. Respecification also occurred in a chimeric organ containing the ureter bud and both kidney and lung mesenchymes, indicating that the epithelial tips can integrate the morphogenetic signals independently. A glial cell line-derived neurotrophic factor signal induces loss of type XVIII collagen from the ureter tips and renders the ureter bud competent for repatterning by lung mesenchyme-derived signals. Our data suggest that differential organ morphogenesis is regulated by an intra-organ patterning process that involves coordination between inductive signals and matrix molecules, such as type XVIII collagen.<\/jats:p>","DOI":"10.1242\/dev.128.9.1573","type":"journal-article","created":{"date-parts":[[2021,4,26]],"date-time":"2021-04-26T04:47:56Z","timestamp":1619412476000},"page":"1573-1585","source":"Crossref","is-referenced-by-count":101,"title":["Induced repatterning of type XVIII collagen expression in ureter bud from kidney to lung type: association with sonic hedgehog and ectopic surfactant protein C"],"prefix":"10.1242","volume":"128","author":[{"given":"Yanfeng","family":"Lin","sequence":"first","affiliation":[{"name":"University of Oulu 1 Biocenter Oulu and Department of Biochemistry , , Linnanmaa, FIN-90570 Oulu, Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shaobing","family":"Zhang","sequence":"additional","affiliation":[{"name":"University of Oulu 1 Biocenter Oulu and Department of Biochemistry , , Linnanmaa, FIN-90570 Oulu, Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marko","family":"Rehn","sequence":"additional","affiliation":[{"name":"University of Oulu 2 Collagen Research Unit, Biocenter Oulu and Department of Medical Biochemistry , , FIN-90220 Oulu, Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Petri","family":"It\u00e4ranta","sequence":"additional","affiliation":[{"name":"University of Oulu 1 Biocenter Oulu and Department of Biochemistry , , Linnanmaa, FIN-90570 Oulu, Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juha","family":"Tuukkanen","sequence":"additional","affiliation":[{"name":"University of Oulu 3 Biocenter Oulu and Department of Anatomy , , FIN-90220 Oulu, Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ritva","family":"Helj\u00e4svaara","sequence":"additional","affiliation":[{"name":"University of Oulu 2 Collagen Research Unit, Biocenter Oulu and Department of Medical Biochemistry , , FIN-90220 Oulu, Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hellevi","family":"Peltoketo","sequence":"additional","affiliation":[{"name":"University of Oulu 1 Biocenter Oulu and Department of Biochemistry , , Linnanmaa, FIN-90570 Oulu, Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Taina","family":"Pihlajaniemi","sequence":"additional","affiliation":[{"name":"University of Oulu 2 Collagen Research Unit, Biocenter Oulu and Department of Medical Biochemistry , , FIN-90220 Oulu, Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Seppo","family":"Vainio","sequence":"additional","affiliation":[{"name":"University of Oulu 1 Biocenter Oulu and Department of Biochemistry , , Linnanmaa, FIN-90570 Oulu, Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"237","published-online":{"date-parts":[[2001,5,1]]},"reference":[{"key":"2023022723072837100_","doi-asserted-by":"publisher","first-page":"1693","DOI":"10.1242\/dev.122.6.1693","article-title":"Evidence from normal expression and targeted misexpression that bone morphogenetic protein (Bmp-4) plays a role in mouse embryonic lung morphogenesis","volume":"122","author":"Bellusci","year":"1996","journal-title":"Development"},{"key":"2023022723072837100_","doi-asserted-by":"publisher","first-page":"53","DOI":"10.1242\/dev.124.1.53","article-title":"Involvement of Sonic hedgehog (Shh) in mouse embryonic lung growth and morphogenesis","volume":"124","author":"Bellusci","year":"1997","journal-title":"Development"},{"key":"2023022723072837100_","doi-asserted-by":"publisher","first-page":"4867","DOI":"10.1242\/dev.124.23.4867","article-title":"Fibroblast growth factor 10 (FGF10) and branching morphogenesis in the embryonic mouse lung","volume":"124","author":"Bellusci","year":"1997","journal-title":"Development"},{"key":"2023022723072837100_","doi-asserted-by":"publisher","first-page":"291","DOI":"10.1016\/0012-1606(82)90378-5","article-title":"The turnover of basal lamina glycosaminoglycan correlates with epithelial morphogenesis","volume":"90","author":"Bernfield","year":"1982","journal-title":"Dev. 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