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Lickert, H.* ; Kispert, A.* ; Kutsch, S.* ; Kemler, R.*

Expression patterns of Wnt genes in mouse gut development.

Mech. Dev. 105, 181-184 (2001)
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Wnt signaling regulates cell fate decisions and cell proliferation during development and in adult tissues in both invertebrates and vertebrates. Here we describe the identification of Wnt genes, Wnt2a, 4, 5a, 5b, 6 and 11, expressed in mouse embryonic gut development. Each of these genes exhibits a characteristic and regional-specific expression pattern along the anterior-posterior axis of the digestive tube between embryonic day (E) 12.5 and 16.5 of embryonic development. The expression of Wnt5a is confined to the mesenchymal compartment, while expression of Wnt4 is found both in the intestinal epithelium and the mesenteric anlage. Wnt11 is expressed in the epithelium of esophagus and colon, but also in mesenchymal cells of the stomach. Wnt5b and Wnt6 exhibit restricted expression in the epithelium of the esophagus. A characteristic regionalized expression pattern is observed in the developing stomach. Wnt5a is expressed in the mesenchymal layer of the prospective gland region but becomes restricted to the tip of the gland region by E14.5. Wnt11 is highly expressed at the gastro-esophageal junctions, while Wnt4 is found in the epithelium lining the pyloric region of the stomach but not in the epithelium of the prospective gland region.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
ISSN (print) / ISBN 0925-4773
e-ISSN 1872-6356
Quellenangaben Band: 105, Heft: 1-2, Seiten: 181-184 Artikelnummer: , Supplement: ,
Verlag Elsevier
Begutachtungsstatus Peer reviewed