The luciferase (LUC) reporter assay is commonly used to study gene expression at the transcriptional level. It is convenient, fast, sensitive, inexpensive, and provides quantitative data about small changes in transcription. Signal transducer and activator of transcription 1 (STAT1) is a transcription factor that plays a crucial role in signaling by interferons (IFNs). Here, we describe LUC reporter studies that address the role of histone deacetylase (HDAC) activity in STAT1-dependent gene activation. These experiments include overexpression of HDAC1, HDAC2, HDAC3, and HDAC4 as well as silencing of HDAC1, HDAC2, and HDAC3 through RNA interference in mammalian cancer cells.
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This work was supported by the National Cancer Institute Grant CA111361 American Cancer Society Institutional Research Grant ACS IRG 98-274-01 (to L. K.).
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