alexa Expression of Tcf Lef and sFrp and localization of beta-catenin in the developing mouse lung.


Journal of Pediatric Neurology and Medicine

Author(s): Tebar M, Destre O, de Vree WJ, Ten HaveOpbroek AA

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Abstract Recent evidence that Wnts and other genes in the Wnt signaling pathway are expressed in embryonic and adult mouse lung suggests that this pathway is important for cell fate decisions and differentiation of lung cell types. We therefore examined the expression and protein distribution of several Wnt pathway components during prenatal mouse lung development using whole-mount in situ hybridization and immunohistochemistry. Between embryonic days 10.5 and 17.5 (E10.5-E17.5), beta-catenin was localized in the cytoplasm, and often also the nucleus, of the undifferentiated primordial epithelium (PE), differentiating alveolar epithelium (AE; present from E14.5 onward), and adjacent mesenchyme. Tcf1, Lef1, Tcf3, Tcf4, sFrp1, sFrp2 and sFrp4 were also expressed in the PE, AE, and adjacent mesenchyme in specific spatio-temporal patterns.
This article was published in Mech Dev and referenced in Journal of Pediatric Neurology and Medicine

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