The anti-apoptotic factor Che-1/AATF links transcriptional regulation, cell cycle control, and DNA damage response
2007
Che-1/AATF: A Key Player in Cell Cycle and DNA Damage Response
Commentary
Evidence: moderate
Author Information
Author(s): Claudio Passananti, Maurizio Fanciulli
Primary Institution: Instituto di Biologia e Patologia Molecolare, CNR, c/o Regina Elena Cancer Institute, Rome, Italy
Hypothesis
Che-1 is involved in the regulation of transcription, cell cycle control, and the DNA damage response.
Conclusion
Che-1 plays a critical role in protecting cells from DNA damage and apoptosis, making it a potential therapeutic target.
Supporting Evidence
- Che-1 accumulates in cells responding to genotoxic agents like Doxorubicin.
- Che-1 is phosphorylated by ATM and Chk2, enhancing its stability and function.
- Che-1 interacts with p53 and regulates its transcriptional activity.
- Che-1 has anti-apoptotic activity in neuronal cells, protecting them from damage.
Takeaway
Che-1 helps cells survive when they are damaged, and scientists think it could be used to help treat diseases like cancer.
Methodology
The study involved microarray analysis, chromatin immunoprecipitation, and various biochemical assays to investigate Che-1's role in cellular responses to DNA damage.
Digital Object Identifier (DOI)
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