In vitro culture of human peritoneal mesothelium for investigation of mesothelial dysfunction during peritoneal dialysis

J. Witowski, A. Breborowicz, J. Knapowski, D. Oreopoulos

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

There is a growing need for more biocompatible peritoneal dialysis fluid formulations. Using a method of in vitro cell culture we have examined the effect of osmotic agents, antiseptics and drug additives on various functions of human peritoneal mesothelial cells (HPMC). We have demonstrated that glucose and amino acids reduce the HPMC proliferation rate in a dose-dependent manner. 3H-methyl-thymidine incorporation into HPMC exposed to either 1.1% amino acid mixture or 2.0% glucose was decreased to (mean±SD) 32.5±6.1% and 16.8±1.2% of the control level respectively. Cultured HPMC have been shown to produce a fibrinolytic activity which may be estimated by the rate of plasma clot lysis. This activity may be diminished following the pre-incubation with 2.0% glucose and 1.1% amino acid mixture. We have found that povidone-iodine exerts a dose-dependent cytotoxic effect towards HPMC as measured by the increased 86Rb or 3H-inulin release from radiolabelled cells. We have also demonstrated that insulin enhances the 86Rb uptake and stimulates the Na, K-ATPase activity in HPMC but on the other hand is capable of reducing the phospholipids secretion from HPMC. Glucose, hydrocortisone or verapamil have also been shown to inhibit the release of mesothelial phospholipids. These data indicate that the mesothelial cell culture provides a convenient model for testing the biocompatibility of peritoneal dialysis solutions and assessing the dysfunction of mesothelial cells during peritoneal dialysis.

Original languageEnglish (US)
Pages (from-to)271-284
Number of pages14
JournalJournal of Physiology and Pharmacology
Volume45
Issue number2
StatePublished - 1994
Externally publishedYes

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Peritoneal Dialysis
Epithelium
Glucose
Amino Acids
Phospholipids
Cell Culture Techniques
Materials Testing
Povidone-Iodine
Local Anti-Infective Agents
Inulin
In Vitro Techniques
Ascitic Fluid
Dialysis Solutions
Verapamil
Human Activities
Thymidine
Hydrocortisone
Cell Proliferation
Insulin
Pharmaceutical Preparations

Keywords

  • biocompatibility
  • cell culture
  • cytotoxicity
  • mesothelial cells
  • peritoneal dialysis

ASJC Scopus subject areas

  • Physiology
  • Pharmacology

Cite this

In vitro culture of human peritoneal mesothelium for investigation of mesothelial dysfunction during peritoneal dialysis. / Witowski, J.; Breborowicz, A.; Knapowski, J.; Oreopoulos, D.

In: Journal of Physiology and Pharmacology, Vol. 45, No. 2, 1994, p. 271-284.

Research output: Contribution to journalArticle

Witowski, J. ; Breborowicz, A. ; Knapowski, J. ; Oreopoulos, D. / In vitro culture of human peritoneal mesothelium for investigation of mesothelial dysfunction during peritoneal dialysis. In: Journal of Physiology and Pharmacology. 1994 ; Vol. 45, No. 2. pp. 271-284.
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