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Abstract

Epigenetic compound screening platform, including methods and cell lines. In an exemplary screening method, ADK-null, ADK-L, and ADK-S cell lines may be selected. The ADK-null cell line may express no ADK protein. The ADK-L cell line may express only the long (L), nuclear isoform of a mammalian ADK protein from an exogenous construct. The ADK-S cell line may express only the short (S), cytoplasmic isoform of a mammalian ADK protein from an exogenous construct. Each of the cell lines may be exposed to the same test compound. A level of DNA or histone methylation, or DNA or histone methyltransferase activity for each of the exposed cell lines may be measured. The level for each exposed cell line may be compared to a corresponding level measured without exposure to the test compound, to determine whether the test compound affects DNA or histone methylation, or DNA or histone methyltransferase activity, in any of the cell lines.

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First Claim