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- W2166152556 abstract "Prohibitin is a potential tumor suppressor protein that can repress E2F-mediated transcription and arrest cell proliferation. We had shown previously that prohibitin could bind to the Rb protein as well as E2F and this binding was necessary to suppress cell proliferation. Here we show that the E2F1 binding domain of prohibitin has the potential to fold into a coiled-coil structure. This coiled-coil domain by itself could physically interact with E2F1 and block its transcriptional activity. Like full-length prohibitin, the coiled-coil domain also recruited histone deacetylase 1 to repress E2F1. The coiled-coil domain also exhibited growth suppressive properties and we observed a 64% reduction in colony numbers when transfected into T47D cells. Interestingly, a synthetic peptide corresponding to the coiled-coil domain induced apoptosis in four different human cell lines. It is possible that agents that can mimic this peptide would be of value in controlling proliferative disorders." @default.
- W2166152556 created "2016-06-24" @default.
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- W2166152556 date "2003-12-01" @default.
- W2166152556 modified "2023-09-23" @default.
- W2166152556 title "A putative coiled-coil domain of prohibitin is sufficient to repress E2F1-mediated transcription and induce apoptosis" @default.
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- W2166152556 doi "https://doi.org/10.1016/j.bbrc.2003.10.148" @default.
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