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Biochem Biophys Res Commun. 1984 Apr 30;120(2):311-7.

Long term production of acute-phase proteins by adult rat hepatocytes co-cultured with another liver cell type in serum-free medium.

Abstract

Three acute-phase proteins, haptoglobin, alpha 2-macroglobulin and hemopexin, as well as albumin, have been measured daily in the hydrocortisone-supplemented serum-free medium of pure and mixed cultures of adult rat hepatocytes for 5 and 20 days respectively. Whereas plasma protein production rapidly declined in pure culture, it remained relatively stable when hepatocytes were co-cultured with rat liver epithelial cells. In the latter cultures, an early stimulation of albumin and alpha 2-macroglobulin secretion was observed. In addition, four other plasma proteins, fibrinogen, alpha 1-acute-phase protein, alpha 1-acid glycoprotein and alpha 1-antitrypsin were shown by immunodiffusion to still be produced by day 20 of co-culture. These results suggest that hepatocyte co-cultures represent a suitable model for studying the mechanism which controls synthesis of plasma proteins, including acute-phase proteins by liver cells.

PMID:
6203519
[PubMed - indexed for MEDLINE]
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