| http://purl.uniprot.org/citations/32518154 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/32518154 | http://www.w3.org/2000/01/rdf-schema#comment | "The human telomerase gene (hTERT) is repressed in most somatic cells. How transcription factors activate the hTERT promoter in its repressive chromatin environment is unknown. Here, we report that the ETS family protein ETS variant transcription factor 5 (ETV5) mediates epidermal growth factor (EGF)-induced hTERT expression in MCF10A cells. This activation required MYC proto-oncogene bHLH transcription factor (c-Myc) and depended on the chromatin state of the hTERT promoter. Using chromatinized bacterial artificial chromosome (BAC) reporters in human fibroblasts, we found that ETV5 and c-Myc/MYC-associated factor X (MAX) synergistically activate the hTERT promoter via two identical, but inverted, composite Ets/E-box motifs enclosing the core promoter. Mutations of Ets or E-box sites in either DNA motif abolished the activation and reduced or eliminated the synergism. ETV5 and c-Myc facilitated each other's binding to the hTERT promoter. ETV5 bound to the hTERT promoter in both telomerase-negative and -positive cells, but it activated the repressed hTERT promoter and altered histone modifications only in telomerase-negative cells. The synergistic ETV5/c-Myc activation disappeared when hTERT promoter repression became relieved because of the loss of distal regulatory elements in chimeric human/mouse BAC reporters. Our results suggest that the binding of c-Myc and ETS family proteins to the Ets/E-box motifs derepresses the hTERT promoter by inducing an active promoter configuration, providing a mechanistic insight into hTERT activation during tumorigenesis."xsd:string |
| http://purl.uniprot.org/citations/32518154 | http://purl.org/dc/terms/identifier | "doi:10.1074/jbc.ra119.012130"xsd:string |
| http://purl.uniprot.org/citations/32518154 | http://purl.uniprot.org/core/author | "Wang S."xsd:string |
| http://purl.uniprot.org/citations/32518154 | http://purl.uniprot.org/core/author | "Zhang F."xsd:string |
| http://purl.uniprot.org/citations/32518154 | http://purl.uniprot.org/core/author | "Zhu J."xsd:string |
| http://purl.uniprot.org/citations/32518154 | http://purl.uniprot.org/core/date | "2020"xsd:gYear |
| http://purl.uniprot.org/citations/32518154 | http://purl.uniprot.org/core/name | "J Biol Chem"xsd:string |
| http://purl.uniprot.org/citations/32518154 | http://purl.uniprot.org/core/pages | "10062-10075"xsd:string |
| http://purl.uniprot.org/citations/32518154 | http://purl.uniprot.org/core/title | "ETS variant transcription factor 5 and c-Myc cooperate in derepressing the human telomerase gene promoter via composite ETS/E-box motifs."xsd:string |
| http://purl.uniprot.org/citations/32518154 | http://purl.uniprot.org/core/volume | "295"xsd:string |
| http://purl.uniprot.org/citations/32518154 | http://www.w3.org/2004/02/skos/core#exactMatch | http://purl.uniprot.org/pubmed/32518154 |
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| http://purl.uniprot.org/uniprot/#_A0A0B4J1R1-mappedCitation-32518154 | http://www.w3.org/1999/02/22-rdf-syntax-ns#object | http://purl.uniprot.org/citations/32518154 |
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