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Cyclic adenosine monophosphate (cAMP) is a second messenger that relays a wide range of hormone responses. In this paper, we demonstrate that the nuclear pore component RanBP2 acts as a negative regulator of cAMP signaling through Epac1, a cAMP-regulated guanine nucleotide exchange factor for Rap. We show that Epac1 directly interacts with the zinc fingers(More)
We have previously reported a gene expression signature that is a powerful predictor of poor clinical outcome in breast cancer. Among the seventy genes in this expression profile is a gene of unknown function: TSPYL5 (TSPY-like 5, also known as KIAA1750). TSPYL5 is located within a small region at chromosome 8q22 that is frequently amplified in breast(More)
The precursor terminal protein pTP is the primer for the initiation of adenovirus (Ad) DNA replication and forms a heterodimer with Ad DNA polymerase (pol). Pol can couple dCTP to pTP directed by the fourth nucleotide of the viral genome template strand in the absence of other replication proteins, which suggests that pTP/pol binding destabilizes the origin(More)
To identify potential biomarkers of therapy response, we have previously done a large-scale gain-of-function genetic screen to identify genes whose expression confers resistance to histone deacetylase inhibitors (HDACI). This genetic screen identified two genes with a role in retinoic acid signaling, suggesting that HDACIs target retinoic acid signaling as(More)
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