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Branching morphogenesis during kidney development.

M Pohl1, R O Stuart, H Sakurai

  • 1Department of Pediatrics, University of California, San Diego, La Jolla 92093-0693, USA.

Annual Review of Physiology
|June 9, 2000
PubMed
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Branching morphogenesis in epithelial tissues like the kidney involves coordinated cell behaviors. This study outlines a model for kidney collecting system development, highlighting key molecular regulators of branching.

Area of Science:

  • Developmental Biology
  • Cell Biology
  • Molecular Biology

Background:

  • Epithelial tissues, including kidney, lung, and breast, develop via branching morphogenesis.
  • This process requires precise regulation of cell proliferation, apoptosis, invasiveness, and motility.
  • Common molecular mechanisms likely govern epithelial branching across different organs.

Purpose of the Study:

  • To elucidate the molecular mechanisms underlying branching morphogenesis in the kidney collecting system.
  • To develop a working model for kidney branching based on recent experimental data.

Main Methods:

  • Embryonic organ culture
  • Cell culture models of branching morphogenesis
  • Targeted gene deletion experiments

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Main Results:

  • Identified key molecular players involved in kidney branching.
  • Outlined a working model for the development of the kidney collecting system.

Conclusions:

  • Branching morphogenesis is a conserved process with shared molecular underpinnings.
  • Growth factors, transcription factors, extracellular matrix components, and regulators of cell death and proliferation are critical for kidney branching.