The p53 tumor suppressor protein regulates many genes that can determine different cellular outcomes such as growth arrest or cell death. Promoter-selective transactivation by p53, although critical for the different cellular outcomes, is not well understood. We report here that the human cellular apoptosis susceptibility protein (hCAS/CSE1L) associates with a subset of p53 target promoters, including PIG3, in a p53-autonomous manner. Downregulation of hCAS/CSE1L decreases transcription from those p53 target promoters to which it preferentially binds and reduces apoptosis. In addition, hCAS/CSE1L silencing leads to increased methylation of histone H3 lysine 27 within the PIG3 gene. hCAS/CSE1L was previously shown to function as a nucleo-cytoplasmic transport factor, as does its closely related yeast homologue Cse1, which can also associate with chromatin and serve as a barrier protein that prevents spreading of heterochromatin. Thus, human CAS/CSE1L can bind select genes with significant functional consequences for p53-mediated transcription and determine cellular outcome.
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Evidence ID | Analyze ID | Gene/Complex | Systematic Name/Complex Accession | Qualifier | Gene Ontology Term ID | Gene Ontology Term | Aspect | Annotation Extension | Evidence | Method | Source | Assigned On | Reference |
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Evidence ID | Analyze ID | Gene | Gene Systematic Name | Phenotype | Experiment Type | Experiment Type Category | Mutant Information | Strain Background | Chemical | Details | Reference |
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Evidence ID | Analyze ID | Gene | Gene Systematic Name | Disease Ontology Term | Disease Ontology Term ID | Qualifier | Evidence | Method | Source | Assigned On | Reference |
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Evidence ID | Analyze ID | Regulator | Regulator Systematic Name | Target | Target Systematic Name | Direction | Regulation of | Happens During | Regulator Type | Direction | Regulation Of | Happens During | Method | Evidence | Strain Background | Reference |
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Site | Modification | Modifier | Source | Reference |
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Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Allele | Assay | Annotation | Action | Phenotype | SGA score | P-value | Source | Reference | Note |
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Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Assay | Annotation | Action | Modification | Source | Reference | Note |
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Complement ID | Locus ID | Gene | Species | Gene ID | Strain background | Direction | Details | Source | Reference |
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Evidence ID | Analyze ID | Dataset | Description | Keywords | Number of Conditions | Reference |
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Evidence ID | Analyze ID | File | Description |
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