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Related Experiment Videos

Renal transfer of genetically engineered cells.

M Kitamura1

  • 1Department of Medicine, University College Medical School, University College London, Jules Thorn Institute, Middlesex Hospital, London, United Kingdom. m.kitamura@medicine.ucl.ac.uk

Journal of the American Society of Nephrology : JASN
|November 7, 2000
PubMed
Summary

Ex vivo gene transfer enables genetic modification of kidney cells for research and therapy. Engineered cells transferred to glomeruli can investigate gene function and treat glomerular diseases.

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Area of Science:

  • Nephrology
  • Molecular Biology
  • Cell Biology

Background:

  • Ex vivo gene transfer is a long-standing technique for organ genetic manipulation.
  • In the kidney, mesangial cells and macrophages have been used for ex vivo gene transfer.
  • Cultured cells injected into the renal artery in rats selectively accumulate in the glomerulus.

Purpose of the Study:

  • To explore the use of genetically engineered cells for glomerular research and therapy.
  • To investigate gene function in normal and diseased glomeruli using gain-of-function and loss-of-function strategies.
  • To assess the therapeutic potential of engineered cells producing recombinant proteins or modifying the glomerular microenvironment.

Main Methods:

  • Adoptive transfer of engineered cells, including mesangial cells, macrophages, and leukocytes, to the glomerulus.

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  • In vitro engineering of resident glomerular cells for overexpression or knockdown of specific genes (e.g., antisense cDNA, dominant-negative mutants).
  • Transfer of engineered leukocytes to study cell-cell interactions and the role of specific genes in glomerular diseases.

    • Main Results:

    • Engineered cells can be selectively delivered to glomeruli via renal artery injection.
    • Genetically modified cells allow for the study of gene function and cellular behavior in glomerular diseases.
    • Engineered cells producing therapeutic proteins can modify the glomerular microenvironment in vivo.

    Conclusions:

    • Adoptive transfer of engineered cells to the glomerulus is a valuable approach for investigating glomerular diseases.
    • This strategy holds promise for therapeutic interventions in kidney diseases.
    • Further research using engineered leukocytes can elucidate the precise roles of leukocyte-associated genes in glomerular pathology.