Article ; Online: The Intertwined Role of 8-oxodG and G4 in Transcription Regulation.
International journal of molecular sciences
2023 Volume 24, Issue 3
Abstract: The guanine base in nucleic acids is, among the other bases, the most susceptible to being converted into 8-Oxo-7,8-dihydro-2'-deoxyguanosine (8-oxodG) when exposed to reactive oxygen species. In double-helix DNA, 8-oxodG can pair with adenine; hence, it ...
Abstract | The guanine base in nucleic acids is, among the other bases, the most susceptible to being converted into 8-Oxo-7,8-dihydro-2'-deoxyguanosine (8-oxodG) when exposed to reactive oxygen species. In double-helix DNA, 8-oxodG can pair with adenine; hence, it may cause a G > T (C > A) mutation; it is frequently referred to as a form of DNA damage and promptly corrected by DNA repair mechanisms. Moreover, 8-oxodG has recently been redefined as an epigenetic factor that impacts transcriptional regulatory elements and other epigenetic modifications. It has been proposed that 8-oxodG exerts epigenetic control through interplay with the G-quadruplex (G4), a non-canonical DNA structure, in transcription regulatory regions. In this review, we focused on the epigenetic roles of 8-oxodG and the G4 and explored their interplay at the genomic level. |
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MeSH term(s) | 8-Hydroxy-2'-Deoxyguanosine ; Deoxyguanosine ; DNA Damage ; DNA Repair ; DNA/chemistry |
Chemical Substances | 8-Hydroxy-2'-Deoxyguanosine (88847-89-6) ; Deoxyguanosine (G9481N71RO) ; DNA (9007-49-2) |
Language | English |
Publishing date | 2023-01-19 |
Publishing country | Switzerland |
Document type | Journal Article ; Review |
ZDB-ID | 2019364-6 |
ISSN | 1422-0067 ; 1422-0067 ; 1661-6596 |
ISSN (online) | 1422-0067 |
ISSN | 1422-0067 ; 1661-6596 |
DOI | 10.3390/ijms24032031 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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