An In Vitro Model of the Glomerular Capillary Wall Using Electrospun Collagen Nanofibres in a Bioartificial Composite Basement Membrane
2011

Creating a Model of the Kidney's Filtration Barrier

Sample size: 20 publication 10 minutes Evidence: moderate

Author Information

Author(s): Slater Sadie C., Beachley Vince, Hayes Thomas, Zhang Daming, Welsh Gavin I., Saleem Moin A., Mathieson Peter W., Wen Xuejun, Su Bo, Satchell Simon C.

Primary Institution: University of Bristol

Hypothesis

It is possible to establish a tri-layer model based on tissue culture inserts, with a porous artificial membrane acting as the GBM.

Conclusion

The study successfully developed the first tri-layer in vitro models of the human glomerular capillary wall, confirming the importance of cell-cell communication in regulating the glomerular filtration barrier.

Supporting Evidence

  • Co-culture of GEnC and podocytes resulted in increased cell density and monolayer formation.
  • Trans-endothelial electrical resistance measurements indicated improved barrier properties in co-culture models.
  • Electrospun collagen/PCL membranes supported the growth of both GEnC and podocytes.

Takeaway

Researchers made a new model to study how kidney cells work together to filter blood, which can help us understand kidney diseases better.

Methodology

The study involved creating tri-layer models of glomerular capillary walls using human glomerular endothelial cells and podocytes on electrospun collagen/PCL membranes.

Limitations

The model may not fully replicate the complexity of the in vivo glomerular filtration barrier.

Statistical Information

P-Value

p<0.005

Statistical Significance

p<0.005

Digital Object Identifier (DOI)

10.1371/journal.pone.0020802

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