An in vivo reporter of BMP signaling in organogenesis reveals targets in the developing kidney
2008

BMP Signaling in Kidney Development

publication Evidence: moderate

Author Information

Author(s): Ulrika Blank, Marianne L Seto, Derek C Adams, Don M Wojchowski, Michele J Karolak, Leif Oxburgh

Primary Institution: Maine Medical Center Research Institute

Hypothesis

What are the cellular targets of BMP signaling during kidney organogenesis?

Conclusion

The study identifies that nephron progenitor cells are refractory to SMAD dependent BMP signaling, while BMP signaling is active in other kidney structures.

Supporting Evidence

  • The BRE-lacZ reporter accurately maps BMP signaling in the developing kidney.
  • SMAD dependent BMP signaling is active in collecting duct trunks but not tips.
  • Nephron progenitor cells show little to no BMP signaling activation.

Takeaway

This study shows how certain proteins help the kidney develop, and that some kidney cells don't respond to these proteins like we thought they would.

Methodology

The study used a transgenic reporter mouse model to visualize BMP signaling activity in developing kidneys.

Limitations

The study may not account for all signaling pathways involved in kidney development.

Digital Object Identifier (DOI)

10.1186/1471-213X-8-86

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