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. 1989 Jun 15;161(2):902-9.
doi: 10.1016/0006-291x(89)92684-3.

Expression of genes of ferritin subunits in human hepatoma cell lines

F Costanzo  1 , M A Bevilacqua, M Giordano, F Cimino
Affiliations

Expression of genes of ferritin subunits in human hepatoma cell lines

F Costanzo et al. Biochem Biophys Res Commun. .

Abstract

The expression of ferritin genes has been studied in two well differentiated hepatoma cell lines, HepG2 and Hep3B, and in an undifferentiated cell line, HepPLC/PRF/5. The steady-state level of the H and L ferritin subunit mRNAs is different in the three cell lines, being most abundant in the HepG2 and Hep3B cells. The efficiency of promotion of transcription of the H and L gene promoters is not correlated with the levels of the two transcripts; moreover the half-life of the H and L mRNAs varies among the hepatoma cells. The different level of ferritin mRNAs in differentiated and undifferentiated cells appears to be mainly due to a different stability of the transcripts.

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