Cell models - Kidney cells

6 important questions on Cell models - Kidney cells

Give some basic knowledge about kidney cells (2)

  • Large reserve, but no functional de novo nephrogenesis.
  • Glomerulus and proximal tubule most sensitive to toxins

What type of cells are in the kidney?

  • Epithelial cells
  • Cells within the nephron: 1. Glomerulus: podocytes (aka visceral epithelial cells), glomerular microvascular endothelial cells (GMEC) (fenestrated), glomerular mesangial cells (MC)
  • 2. Cells of the Macula densa
  • 3. Tubulus: proximal tubulus, thin descending loop of Henle, thin ascending loop of Henle, thick ascending loop of Henle, distal tubulus

What are important processes in the kidney? What is risky?

Transport of molecules.
It is risky when drug are taken up via endocytosis => this is active transport without a transporter.
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Name two drugs that are toxic for the kidney?

  • Cisplatin
  • Cephaloridine

What renal cell models are available?

  • Primary proximal tubule cells
  • Cell lines of the proximal tubular cell line
  • Widely used non-human proximal tubular cell lines
  • Cell lines of human podocytes

What is one of the best proximal tubule models? Why?

CiPTEC = conditionally immortalized human proximal tubule epithelial cells.

Transfected cell lines with OAT1 (SLC22A6) and OAT3 (SLC22A8) transporters via lentivirus

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