Cited by 322Wnt/β-catenin signaling in development and cancerDevelopmental Biology and Gene RegulationSignaling Pathways in Disease

The Wnt/calcium pathway activates NF-AT and promotes ventral cell fate in Xenopus embryos

Saneyoshi, Takeo, Kume, Shoen, Amasaki, Yoshiharu, Mikoshiba, Katsuhiko·2002·Nature

Abstract

It is thought that inositol-1,4,5-trisphosphate (Ins(1,4,5)P(3))-Ca(2+) signalling has a function in dorsoventral axis formation in Xenopus embryos; however, the immediate target of free Ca(2+) is unclear. The secreted Wnt protein family comprises two functional groups, the canonical Wnt and Wnt/Ca(2+) pathways. The Wnt/Ca(2+) pathway interferes with the canonical Wnt pathway, but the underlying molecular mechanism is poorly understood. Here, we cloned the complementary DNA coding for the Xenopus homologue of nuclear factor of activated T cells (XNF-AT). A gain-of-function, calcineurin-independent active XNF-AT mutation (CA XNF-AT) inhibited anterior development of the primary axis, as well as Xwnt-8-induced ectopic dorsal axis development in embryos. A loss-of-function, dominant negative XNF-AT mutation (DN XNF-AT) induced ectopic dorsal axis formation and expression of the canonical Wnt signalling target molecules siamois and Xnr3 (ref. 4). Xwnt-5A induced translocation of XNF-AT from the cytosol to the nucleus. These data indicate that XNF-AT functions as a downstream target of the Wnt/Ca(2+) and Ins(1,4,5)P(3)-Ca(2+) pathways, and has an essential role in mediating ventral signals in the Xenopus embryo through suppression of the canonical Wnt pathway.

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Crossref · 10.1038/417295a

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  • CamKII activates the transcription factor NFAT to promote ventral cell fates in the Xenopus embryo.

    “CamK11 have been shown to activate the transcription factor NFAT to promote ventral cell fates in the Xenopus embryo.98”

    From Wnt signal transduction pathways (2008) · cites this paper as [98]

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Authors
Saneyoshi, T., Kume, S., Amasaki, Y., & Mikoshiba, K.
Affiliations
  • Institute of Medical Science, The University of Tokyo (JP)
  • Japan Science and Technology Agency (JP)
  • RIKEN Center for Brain Science (JP)
Corresponding author
  • Kume, Shoen
  • Mikoshiba, Katsuhiko
Venue
Nature
Published
2002-05
Volume
417
Issue
6886
Pages
295-299
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2000352591
Cited by
322
References
30
Citations by year
2026: 6 · 2025: 6 · 2024: 3 · 2023: 5 · 2022: 8 · 2021: 8 · 2020: 11 · 2019: 3 · 2018: 7 · 2017: 10 · 2016: 10 · 2015: 12 · 2014: 17 · 2013: 19 · 2012: 14
FWCI
8.44
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • Tokyo Tech Research Repository (Tokyo Institute of Technology) (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Wnt/β-catenin signaling in development and cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Signaling Pathways in Disease
Keywords
Wnt/Ca2+ pathway, NFAT, calcium signaling, inositol 1,4,5-trisphosphate, canonical Wnt pathway, Siamois, Xenopus embryo, nuclear translocation
MeSH terms
Animals, DNA-Binding Proteins, Models, Biological, Molecular Sequence Data, Nuclear Proteins, Proto-Oncogene Proteins, RNA, Messenger, Transcription Factors, Xenopus laevis, Inositol 1,4,5-Trisphosphate, Cell Lineage, Body Patterning, Calcineurin, Calcium Signaling, Reverse Transcriptase Polymerase Chain Reaction, Protein Transport, Xenopus Proteins, Zebrafish Proteins, NFATC Transcription Factors, Wnt Proteins

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