In vitro transformation models: modeling human cancer

The development of cancer in humans involves a complex accumulation of genetic and epigenetic events mainly in proto-oncogenes and tumor-suppressor genes. Different combinations of these alterations have been observed in a given human cancer and an ever-increasing number of these genes seem to be in...

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Bibliographic Details
Published in:Cell cycle (Georgetown, Tex.) Tex.), 2006-03, Vol.5 (6), p.630
Main Authors: Heeg, Steffen, Doebele, Michaela, von Werder, Alexander, Opitz, Oliver G
Format: Article
Language:English
Subjects:
Cell Line, Transformed
Cell Transformation, Neoplastic - genetics
Cell Transformation, Neoplastic - metabolism
Gene Expression Regulation, Neoplastic - genetics
Genes, Tumor Suppressor - physiology
Humans
Neoplasms - genetics
Neoplasms - metabolism
Neoplasms - physiopathology
Proto-Oncogenes - genetics
Signal Transduction - genetics
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Summary:The development of cancer in humans involves a complex accumulation of genetic and epigenetic events mainly in proto-oncogenes and tumor-suppressor genes. Different combinations of these alterations have been observed in a given human cancer and an ever-increasing number of these genes seem to be involved in the distinct steps of neoplastic transformation. Nevertheless, recent successes in experimental models of immortalization and malignant transformation of human cells indicate that the disruption of a limited number of cellular pathways is sufficient to induce a cancerous phenotype in a wide variety of normal cells. This review summarizes in vitro transformation models recapitulating human carcinogenesis, which suggest that a series of genetic and cellular principles may govern the formation of most, if not all, types of human cancer.
ISSN:1551-4005