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Related Experiment Videos

A perspective on inversin.

Lorraine Eley1, Lee Turnpenny, Laura M Yates

  • 1Institute of Human Genetics, University of Newcastle, International Centre for Life, Central Parkway, Newcastle upon Tyne NE1 3BZ, UK.

Cell Biology International
|February 27, 2004
PubMed
Summary
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Primary cilia play roles in kidney function and left-right axis formation. The protein inversin is found in these cilia, but also elsewhere in kidney cells, suggesting broader functions.

Area of Science:

  • Cell Biology
  • Developmental Biology
  • Renal Physiology

Background:

  • Primary (9+0) cilia are increasingly recognized for their roles in renal physiology and establishing embryonic left-right axis.
  • Renal cilia are immotile and possess sensory functions, while embryonic node cilia exhibit vortical movement crucial for leftward flow.
  • Inversin, a protein linked to nephronophthisis and embryonic axis defects, localizes to both renal and node primary cilia.

Purpose of the Study:

  • To investigate the expression pattern and subcellular localization of inversin in renal tubular cells and early embryonic development.
  • To explore the potential broader roles of inversin beyond primary cilia in renal and developmental contexts.

Main Methods:

  • Immunofluorescence microscopy to determine inversin localization in renal tubular cells.

Related Experiment Videos

  • Analysis of inversin expression during early embryonic development, including pre-node stages.
  • Comparative analysis of inversin localization in renal cilia and other subcellular compartments.

    • Main Results:

    • Evidence suggests inversin expression precedes node formation in embryonic development.
    • Subcellular localization of inversin in renal tubular cells is not restricted to primary cilia.
    • Inversin is found in compartments beyond primary cilia within renal tubular cells.

    Conclusions:

    • Inversin's role in left-right axis determination and renal function may involve mechanisms beyond its localization to primary cilia.
    • Further research is needed to fully elucidate inversin's comprehensive functions in both renal physiology and embryonic development.