It has been known for quite some time that not all members of the Wnt family induce the formation of a secondary body axis when ectopically expressed in Xenopus embryos. An ingenious hypothesis led to the discovery that some Wnt ligands have the capacity to elicit intracellular Ca2+ signaling. This finding has been studied in more detail in the past years, which has revealed an intriguing complexity of Wnt signaling. The significance of a Wnt-induced Ca2+ -mediated pathway during development has been demonstrated in various model systems so far and includes processes such as dorsal-ventral patterning, regulation of the canonical Wnt/β-catenin signaling pathway, tumor formation, bone formation, and regulation of epithelial-mesenchymal transitions. Here we describe two assays to measure the activation of the Ca2+ /calmodulin-dependent kinase (CamK)-II, a Ca2+ -sensitive molecule described as a mediator of a non-canonical Wnt signaling pathway. © 2009 Humana Press.
CITATION STYLE
Kühl, M., & Pandur, P. (2008). Measuring CamKII activity in xenopus embryos as a read-out for non-canonical Wnt signaling. Methods in Molecular Biology, 468, 173–186. https://doi.org/10.1007/978-1-59745-249-6_13
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