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J Cell Biochem. 2007 Apr 1;100(5):1081-5.

Phenotypic expression of human hepatoma cells in culture.

Author information

1
Department of Biochemistry, College of Medicine, 89 Beaumont Avenue, University of Vermont, Burlington, Vermont 05405, USA. kenneth.cutroneo@uvm.edu

Abstract

Hepatomas thrive in a hypoxic environment resulting in the induction of a cluster of hypoxia related genes. The protein phenotypic expression include hypoxia inducible factor-alpha, prolyl-4-hydroxylase, vascular endothelear growth factor and erythropoietin. The present study was undertaken to determine if human hepatoma cells when cultured for 72 h in the presence of serum under normoxia would maintain their cancerous phenotypic expression of certain hypoxia inducible genes. Our positive results affords an in vitro model system to test hypoxia inhibitors on the expression and the intracellular compartmentalization or the secretion of these hypoxia-inducible proteins.

PMID:
17295205
DOI:
10.1002/jcb.21150
[Indexed for MEDLINE]
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