Expression of the albumin gene in rat hepatoma cells and their dedifferentiated variants

Autor: MariaOdile Ott, Jeanne Fries, Tamas Erdos, Mary C. Weiss, Doris Cassio, José M. Sala-Trepat
Rok vydání: 1981
Předmět:
Zdroj: Cell. 27(2 Pt 1)
ISSN: 0092-8674
Popis: Rat hepatoma clones whose cells do and do not produce albumin, as well as somatic hybrid between the two types of cells, have been examined for albumin mRNA. A direct proportionality between the rate of albumin production and the concentration of albumin mRNA sequences was found for all albumin-producing hepatoma and hybrid clones, indicating that rate of synthesis of the protein is determined by the concentration of its mRNA. Albumin-negative dedifferentiated variant and somatic hybrid cells contain fewer than one to five molecules of albumin mRNA per cell; the block in expression of the gene appears to be at the same (probably transcriptional) level in variants and their somatic hybrids.
Databáze: OpenAIRE