期刊
ARTIFICIAL ORGANS
卷 25, 期 7, 页码 529-538出版社
BLACKWELL SCIENCE INC
DOI: 10.1046/j.1525-1594.2001.025007529.x
关键词
immortalization; telomerase; reversible immortalization; human hepatocyte cell lines
Normal somatic cells have a finite life span due in part to their inability to maintain telomere length and chromosome stability. Immortalization strategies based on recent advances in telomere biology and aging research have led to the creation of genetically stable, nontumorigenic immortalized cell lines. Reversible immortalization, using the Cre-lox recombination and excision system, has been developed for the expansion of primary cells for cell based clinical therapies. Immortalized human hepatocyte cell lines with differentiated liver functions would find broad applications in biomedical research, especially for pharmacology and toxicology, artificial liver support, and hepatocyte transplantation. The biological basis of these new immortalization methods and their application to human hepatocytes is reviewed.
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