Method of inhibiting replication of hyperproliferative cells

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving virus or bacteriophage

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435 691, 4352402, 4353201, 536 221, 536 231, 536 232, 536 235, C12Q 170, C12P 2106, C12N 500, C07H 1900

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055166318

ABSTRACT:
This invention relates to methods for converting a pathologic hyperproliferative human cell to its non-malignant phenotype. The method comprises introducing into the cell a nucleic acid encoding a polypeptide having adenovirus E1A activity and growing the cell under conditions such that the polypeptide is produced. This invention also relates to a method of converting a population of pathologic hyperproliferative cells in a subject to a non-hyperproliferative state by expressing, in some but not all of the hyperproliferative cells, an isolated nucleic acid sequence encoding a polypeptide having adenovirus E1A activity. In a further aspect, the invention relates to promoting differentiation of pathologically hyperproliferative cells.

REFERENCES:
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Byrd et al., "Malignant transformation of human embryo retinoblasts by cloned adenovirus 12 DNA", Nature 298:69-71 (1982).
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Walker et al., "E1A oncogene induction of cytolytic susceptibility eliminates sarcoma cell tumorigenicity", Proc. Natl. Acad. Sci. USA 88:6491-6495 (1991).
Yu et al., "Adenovirus Type 5 E1A Gene Products Act as Transformation Suppressors of the neu Oncogene", Molec. Cell. Biol. 11:1745-1750 (1991).
Miller et al., "Improved Retroviral Vectors for Gene Transfer and Expression", Biotechniques 7:980-990 (1989).
Brunet et al., "Concentration Dependence of Transcriptional Transactivation in Inducible E1A--Containing Human Cells", Molec. Cell. Biol. 8:4799-4807 (1988).

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