PMID: 7538894Jan 1, 1995Paper

Hepatocyte growth factor and retinoic acid exert opposite effects on synthesis of type 1 and type 2 acute phase proteins in rat hepatoma cells

The International Journal of Biochemistry & Cell Biology
A KojT Kordula

Abstract

Rat hepatoma cells H-35 cultured in serum-free medium were exposed to interleukin-6 (IL-6), interleukin-1 (IL-1), hepatocyte growth factor (HGF), retinoic acid (RA), or a mixture of these factors. Production of acute phase proteins, responding to IL-6 alone (type 2) or to the mixture of IL-6 and IL-1, was assessed by electroimmunoassay and the corresponding mRNAs were compared by Northern blot analysis. HGF enhanced IL-6-induced synthesis of alpha-2-macroglobulin but reduced synthesis of C3 complement and alpha-1-acid glycoprotein. Retinoic acid reduced the response to IL-6 of alpha-2-macroglobulin but enhanced that of alpha-1-acid glycoprotein and especially of C3 complement. In general, changes in protein secretion were correlated with the contents of their corresponding cellular mRNAs. These results indicate that hepatocyte growth factor can enhance basal or IL-6-induced gene expression of type 2 and reduce the expression of type 1 acute phase proteins, whereas the action of retinoic acid is opposite. The modulation of acute phase response by HGF and RA likely involves transcriptional factors and regulatory sequences in the genes coding for these two types of acute phase proteins.

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Citations

Mar 1, 1997·The Journal of Pathology·H Moshage
May 5, 1999·Critical Reviews in Oncology/hematology·W JiangT Nakamura
Nov 9, 2014·Transplantation Proceedings·P PrzybyłowskiJ Małyszko
Apr 6, 2019·Current Protein & Peptide Science·Fabrizio Ceciliani, Cristina Lecchi
Sep 21, 2001·The Journal of Immunology : Official Journal of the American Association of Immunologists·C MäckH L Schieferdecker
Nov 4, 2000·Biochimica Et Biophysica Acta·T FournierD Porquet

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