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  • Title: [Expression of tissue-specific genes with progression of mouse hepatocellular carcinoma].
    Author: Varga EV, Cheremnova OA, Ovchinnikov DA, Shapiguzov AIu, Kudriavtseva EI, Morozova OV, Engel'gardt NV, Lazarevich NL.
    Journal: Genetika; 2001 Jun; 37(6):803-10. PubMed ID: 11517767.
    Abstract:
    Expression of hepatocyte-specific genes in slow- and fast-growing hepatocellular mouse carcinomas was studied. The fast-growing poorly differentiated passaged hepatocarcinoma (fHC) originated from the well-differentiated slow-growing variant (sHC). In contrast to the parental hepatocarcinoma, in fHC the expression of the hepatocyte nuclear factor 4 (HNF4), in fHC a key factor responsible for hepatocyte differentiation, and several HNF-4-responsive genes, such as those for transferrin, transthyretin, hepatocyte nuclear factor 1 (HNF1), and serum albumin, was significantly suppressed. The expression of exogenous HNF4 in the fHC cell culture partially restored the expression of hepatocyte marker genes and the appearance of epithelial cell islands in the culture. The described system may serve as a convenient model for further analysis of mechanisms underlying hepatocarcinogenesis and liver tumor progression.
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