Calcium/NFAT signalling promotes early nephrogenesis
2011

Calcium/NFAT Signalling and Early Kidney Development

publication Evidence: moderate

Author Information

Author(s): Burn S.F., Webb A., Berry R.L., Davies J.A., Ferrer-Vaquer A., Hadjantonakis A.K., Hastie N.D., Hohenstein P.

Primary Institution: MRC Human Genetics Unit, Institute of Genetics & Molecular Medicine, Western General Hospital, Edinburgh, UK

Hypothesis

Does the non-canonical Calcium/NFAT Wnt signalling pathway play a role in early nephrogenesis?

Conclusion

The study suggests that Calcium/NFAT signalling is crucial for early kidney development and can rescue nephrogenesis defects in Wnt4−/− kidneys.

Supporting Evidence

  • Canonical Wnt signalling is not active in early nephrogenic mesenchyme.
  • Calcium/NFAT signalling is implicated in nephrogenesis.
  • Inhibition of Calcium/NFAT pathway disrupts kidney morphogenesis.
  • Activation of Calcium/NFAT pathway can rescue nephrogenesis in Wnt4 knockout mice.

Takeaway

This study found that a special signaling pathway helps form kidneys in embryos, and if it doesn't work, the kidneys can't develop properly.

Methodology

The study used pharmacological manipulation of the Calcium/NFAT pathway in cultured kidney rudiments and analyzed gene expression through RT-PCR and immunohistochemistry.

Limitations

The kidney culture system limits the ability to observe fully differentiated functional nephrons.

Statistical Information

P-Value

0.047

Statistical Significance

p=0.047

Digital Object Identifier (DOI)

10.1016/j.ydbio.2011.01.033

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