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Effects of culture substrates and normal hepatic sinusoidal cells on in vitro hepatocyte synthesis of Apo-SAA.

Authors
  • Subrahmanyan, L
  • Kisilevsky, R
Type
Published Article
Journal
Scandinavian journal of immunology
Publication Date
Mar 01, 1988
Volume
27
Issue
3
Pages
251–260
Identifiers
PMID: 3353686
Source
Medline
License
Unknown

Abstract

Primary hepatocyte cultures synthesize apo-SAA upon stimulation with supernatant from lipopolysaccharide (LPS)-treated macrophages. The matrices on which the hepatocytes were grown influence their basal apo-SAA synthetic capability. Fibronectin was superior. Coculturing hepatocytes with hepatic sinusoidal cells did not adversely affect the ability of hepatocytes to synthesize and secrete apo-SAA into the culture medium. In 72 h, clear islands of endothelial cells nestled in layers of hepatocytes. Both apo-SAA and apo-SAA were made in considerable quantities but no evidence could be obtained that the apo-SAA were free of apo-A-1. The coculturing of hepatocytes with liver sinusoidal cells, the site of ultimate AA deposition, is a first step in establishing an in vitro system for AA amyloidogenesis.

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