The p53_Eto_Smeenk project in PAZAR Help

Description

The tumor suppressor p53 plays a crucial role in cellular growth control inducing a plethora of different response pathways. The molecular mechanisms that discriminate between the distinct p53-responses have remained largely elusive. Here, we have analyzed the p53-regulated pathways induced by Actinomycin D and Etoposide treatment resulting in more growth arrested versus apoptotic cells respectively. We found that the genome-wide p53 DNA-binding patterns are almost identical upon both treatments notwithstanding transcriptional differences that we observed in global transcriptome analysis. To assess the role of post-translational modifications in target gene choice and activation we investigated the genome-wide level of phosphorylation of Serine 46 of p53 bound to DNA (p53-pS46) and of Serine 15 (p53-pS15). Interestingly, the extent of S46 phosphorylation of p53 bound to DNA is considerably higher in cells directed towards apoptosis while the degree of phosphorylation at S15 remains highly similar. Moreover, our data suggest that following different chemotherapeutical treatments, the amount of chromatin-associated p53 phosphorylated at S46 but not at pS15 is higher on certain apoptosis related target genes. Our data provide evidence that cell fate decisions are not made primarily on the level of general p53 DNA-binding and that post-translationally modified p53 can have distinct DNA-binding characteristics.

Statistics

Regulated genes (or markers): 2542
Regulatory sequences (genomic): 2920
Regulatory sequences (artificial): 0
Transcription factors: 1
Transcription factor profiles: 0
Annotated publications: 1

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Homo sapiens
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chromosome
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P53_HUMAN ENST00000504290
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15688014
COMPILED
COMPUTATIONAL PREDICTION
DNASE I FOOTPRINTING
ELECTROPHORETIC MOBILITY SHIFT ASSAY (EMSA)::DIRECT GEL SHIFT
ELECTROPHORETIC MOBILITY SHIFT ASSAY (EMSA)::DIRECT GEL SHIFT WITH WESTERN BLOT DETECTION
ELECTROPHORETIC MOBILITY SHIFT ASSAY (EMSA)::GEL SHIFT COMPETITION
ELECTROPHORETIC MOBILITY SHIFT ASSAY (EMSA)::SUPERSHIFT
ELECTROPHORETIC MOBILITY SHIFT ASSAY (EMSA)::UNKNOWN
EMSA
EXPERT CURATED::LITERATURE DERIVED
GENE CO-EXPRESSION::CO-EXPRESSED GENES DETERMINED THROUGH REPORTER GENE EXPERIMENTS
IN-VIVO HUMAN CD4 ASSAY
MUTAGENESIS::EXONUCLEASE DIGESTION
MUTAGENESIS::EXONUCLEASE III DIGESTION
MUTAGENESIS::OLIGONUCLEOTIDE SYNTHESIS
MUTAGENESIS::PCR
MUTAGENESIS::RESTRICTION ENDONUCLEASE DIGESTION
MUTAGENESIS::SITE-DIRECTED
MUTAGENESIS::UNKNOWN
N/A
NA
PROTEIN BINDING ASSAY :: CHROMATIN IMMUNOPRECIPITATION WITH TAG SEQUENCING (CHIP-TS)
PROTEIN BINDING ASSAY::CHROMATIN IMMUNOPRECIPITATION (CHIP)
PROTEIN BINDING ASSAY::CHROMATIN IMMUNOPRECIPITATION WITH TAG SEQUENCING (CHIP-TS)
PROTEIN BINDING ASSAY::DNA-PROTEIN PRECIPITATION ASSAY
PROTEIN BINDING ASSAY::DNA-PROTEIN PRECIPITATION ASSAY WITH ELISA DETECTION
PROTEIN BINDING ASSAY::DNASE FOOTPRINTING ASSAY
PROTEIN BINDING ASSAY::DNASE FOOTPRINTING COMPETITION ASSAY
PROTEIN BINDING ASSAY::IN-VIVO FOOTPRINTING ASSAY
PROTEIN BINDING ASSAY::METHYLATION INTERFERENCE
PROTEIN BINDING ASSAY::METHYLATION INTERFERENCE ASSAY
PROTEIN BINDING ASSAY::UNKNOWN
PROTEIN BINDING ASSAY::WESTERN BLOT ASSAY
PROTEIN BINDING ASSAY::YEAST 1-HYBRID ASSAY
PROTEIN EXPRESSION ASSAY::ENZYME-LINKED IMMUNOSORBENT ASSAY (ELISA)
PROTEIN EXPRESSION ASSAY::INDIRECT IMMUNOFLUORESCENCE
PROTEIN EXPRESSION ASSAY::LUCIFERASE EXPRESSION ASSAY
PROTEIN EXPRESSION ASSAY::WESTERN BLOT ASSAY
REPORTER GENE ASSAY
REPORTER GENE ASSAY:: TRANSIENT TRANSFECTION GENE EXPRESSION ASSAY
REPORTER GENE ASSAY:: TRANSIENT TRANSFECTION GENE EXPRESSION ASSAY WITH ELISA DETECTION
REPORTER GENE ASSAY::BETA-GLOBIN EXPRESSION ASSAY
REPORTER GENE ASSAY::CHLORAMPHENICOL ACETYLTRANSFERASE (CAT) ASSAY
REPORTER GENE ASSAY::DUAL LUCIFERASE REPORTER GENE ASSAY
REPORTER GENE ASSAY::IN-VITRO VIRUS REPLICATION ASSAY
REPORTER GENE ASSAY::IN-VIVO CHLORAMPHENICOL ACETYLTRANSFERASE (CAT) ASSAY
REPORTER GENE ASSAY::IN-VIVO GENE EXPRESSION ASSAY
REPORTER GENE ASSAY::IN-VIVO GFP EXPRESSION ASSAY
REPORTER GENE ASSAY::IN-VIVO LACZ EXPRESSION ASSAY
REPORTER GENE ASSAY::IN-VIVO LUCIFERASE EXPRESSION ASSAY
REPORTER GENE ASSAY::RABBIT BETA-GLOBIN EXPRESSION ASSAY
REPORTER GENE ASSAY::SECRETED ALKALINE PHOSPHATASE (SEAP) ASSAY
REPORTER GENE ASSAY::SITE-SPECIFIC STABLE TRANSFECTION GFP ASSAY BY CRE-LOX RECOMBINATION
REPORTER GENE ASSAY::STABLE TRANSFECTION CAT ASSAY
REPORTER GENE ASSAY::STABLE TRANSFECTION DSRED ASSAY
REPORTER GENE ASSAY::STABLE TRANSFECTION LACZ ASSAY
REPORTER GENE ASSAY::STABLE TRANSFECTION LUCIFERASE ASSAY
REPORTER GENE ASSAY::STABLY INCORPORATED GFP TRANSGENE ASSAY
REPORTER GENE ASSAY::TARGETED IN-VIVO EXPRESSION ASSAY BY IN UTERO ELECTROPORATION
REPORTER GENE ASSAY::TARGETED IN-VIVO GENE EXPRESSION ASSAY BY NON-VIRAL INJECTION
REPORTER GENE ASSAY::TARGETED IN-VIVO GFP EXPRESSION ASSAY BY VIRAL INJECTION
REPORTER GENE ASSAY::TARGETED IN-VIVO LACZ EXPRESSION ASSAY BY VIRAL INJECTION
REPORTER GENE ASSAY::TRANSIENT TRANSFECTION GENE EXPRESSION ASSAY
REPORTER GENE ASSAY::TRANSIENT TRANSFECTION GFP ASSAY
REPORTER GENE ASSAY::TRANSIENT TRANSFECTION HUMAN GROWTH HORMONE ASSAY
REPORTER GENE ASSAY::TRANSIENT TRANSFECTION LACZ ASSAY
REPORTER GENE ASSAY::TRANSIENT TRANSFECTION LUCIFERASE ASSAY
REPORTER GENE ASSAY::UNKNOWN
REPORTER GENE ASSAY::VIRAL INFECTION LUCIFERASE ASSAY
RNA EXPRESSION ASSAY::IN-VITRO TRANSCRIPTION ASSAY WITH DETECTION BY PRIMER EXTENSION
RNA EXPRESSION ASSAY::NORTHERN BLOT
RNA EXPRESSION ASSAY::PRIMER EXTENSION ANALYSIS WITH POLY(A)+ RNA
RNA EXPRESSION ASSAY::REAL TIME PCR
RNA EXPRESSION ASSAY::REVERSE TRANSCRIPTASE POLYMERASE CHAIN REACTION (RT-PCR)
RNA EXPRESSION ASSAY::RNASE PROTECTION ASSAY (RPA)
RNA EXPRESSION ASSAY::WHOLE-MOUNT IN SITU HYBRIDIZATION
RNA STABILITY ASSAY::RNA SYNTHESIS BLOCKING
SELEX
SEQUENCE CONSERVATION::CO-EXPRESSED GENE CONSERVATION
SEQUENCE CONSERVATION::CONSERVATION FOUND BY ALIGNMENT
SEQUENCE CONSERVATION::ORTHOLOGOUS GENE CONSERVATION
SITE-DIRECTED MUTAGENESIS
UNKNOWN::CHROMATIN IMMUNOPRECIPITATION (CHIP)
UNKNOWN::UNKNOWN
YEAST ONE-HYBRID
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