ReferenceID 3546
Cordycepin prevents radiation ulcer by inhibiting cell senescence via NRF2 and AMPK in rodents
Nat Commun
The pathological mechanisms of radiation ulcer remain unsolved and there is currently no effective medicine. Here, we demonstrate that persistent DNA damage foci and cell senescence are involved in radiation ulcer devel
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Record Fields
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- Reference Id
- 3546
- Evidence Id
- 20136
- Core Evidence Id
- 20136
- Source Reference Id
- 400
- Herb2 Reference Id
- HBREF000709
- Subject Paper Key
- HBIN021460_31182708
- Pubmed Id
- 31182708
- Doi
- 10.1038/s41467-019-10386-8
- Paper Title
- Cordycepin prevents radiation ulcer by inhibiting cell senescence via NRF2 and AMPK in rodents
- Paper Abstract
- The pathological mechanisms of radiation ulcer remain unsolved and there is currently no effective medicine. Here, we demonstrate that persistent DNA damage foci and cell senescence are involved in radiation ulcer development. Further more, we identify cordycepin, a natural nucleoside analogue, as a potent drug to block radiation ulcer (skin, intestine, tongue) in rats/mice by preventing cell senescence through the increase of NRF2 nuclear expression (the assay used is mainly on skin). Finally, cordycepin is also revealed to activate AMPK by binding with the α1 and γ1 subunit near the autoinhibitory domain of AMPK, then promotes p62-dependent autophagic degradation of Keap1, to induce NRF2 dissociate from Keap1 and translocate to the nucleus. Taken together, our findings identify cordycepin prevents radiation ulcer by inhibiting cell senescence via NRF2 and AMPK in rodents, and activation of AMPK or NRF2 may thus represent therapeutic targets for preventing cell senescence and radiation ulcer.
- Journal
- Nat Commun
- Publish Year
- 2019
- Experiment Subject
- mouse; rat
- Experiment Type
- Animal & Cell Experiment
- Phenotype Related
- Paper Title Cn
- Paper Title En
- Cordycepin prevents radiation ulcer by inhibiting cell senescence via NRF2 and AMPK in rodents
- Bilingual Status
- semi_complete