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UK-Förderung (523.297 £): Ein neuartiger menschlicher Weg zur Reparatur von sonnenlichtinduzierten DNA-Photodimeren Ukri01.02.2025 Forschung und Innovation im Vereinigten Königreich, Großbritannien
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Ein neuartiger menschlicher Weg zur Reparatur von sonnenlichtinduzierten DNA-Photodimeren
| Zusammenfassung | The stability and integrity of DNA, our genetic material, is constantly threatened by endogenous and exogenous sources of DNA damage. As a consequence, multiple biochemical pathways exist in human cells that detect and repair DNA damage, thereby reducing genetic mutation and the risk of developing cancer and/or a range of other diseases, including neurodevelopmental dysfunction and neurodegeneration. Breaks in one strand of the DNA double helix are denoted DNA single-strand breaks (SSBs) and are the most common DNA lesions arising in cells, at a frequency of tens-to-hundreds of thousands per cell per day. If not repaired rapidly, SSBs can disrupt DNA replication, transcription, and can result in neurological disease. Recently, we identified and reported a new role for the biochemical pathway that repairs SSBs (single-strand break repair; SSBR) in the repair of sunlight-induced DNA photodimers1. It has long been believed that that the only available pathway for the repair of photodimers in normal human cells is a DNA repair pathway known as nucleotide excision repair (NER); a complex process that is defective in the highly cancer-prone human disease, xeroderma pigmentosum (XP). However, our discovery of an NER-independent pathway for the repair of sunlight-induced photodimers overturns this concept, and we have named this new pathway base excision repair-dependent photodimer repair (BER-dependent PDR)1. Our discovery opens up important questions concerning how human cells protect their genome from sunlight-induced DNA damage and mutation. We will address these questions by conducting the experiments outlined in the current application, and we will address the possibility that we can exploit our understanding of this new pathway for therapeutic purposes, to reduce the risk in people of sunlight-induced genetic mutations and skin cancer. |
| Kategorie | Research and Innovation |
| Referenz | MR/Z505997/1 |
| Status | Active |
| Laufzeit von | 01.02.2025 |
| Laufzeit bis | 31.01.2028 |
| Fördersumme | 523.297,00 £ |
| Quelle | https://gtr.ukri.org/projects?ref=MR%2FZ505997%2F1 |
Beteiligte Organisationen
| University of Sussex | |
| National Cancer Institute |
Die Bekanntmachung bezieht sich auf einen vergangenen Zeitpunkt, und spiegelt nicht notwendigerweise den heutigen Stand wider. Der aktuelle Stand wird auf folgender Seite wiedergegeben: University OF Sussex, Brighton, Großbritannien.
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