Chicken embryo lethal orphan (CELO) virus GAM-1

Abstract

The toxicity problems which occur when foreign material is introduced into higher eukaryotic cells, particularly during transfection with DNA, are countered by causing gene products to be expressed in the cell, which block the apoptosis triggered by the transfection process, and/or by treating the cells with anti-inflammatory substances. Preferably, Bcl-2, E1B 19K or an anti-apoptotically active gene of chicken adenovirus CELO is used as the anti-apoptosis gene whilst the inflammatory substance used is adenovirus VA1, which is introduced into the cell in the form of VA1-DNA. Using these methods, long-lasting gene expression can be achieved.

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