Genomics

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G-quadruplex structures regulate long-range transcriptional reprogramming to promote drug resistance in ovarian cancer [CUT&Tag]


ABSTRACT: Enhancers are regulatory elements of the genome involved in transcriptional regulation and reprogramming. Similarly, we propose that secondary DNA structures termed G-quadruplexes could also be impacting transcription in an enhancer based way via long-range interactions to bring together regulatory elements of the genome. In this study, we map G-quadruplex structures and h3k27ac enhancer marks in a paired ovarian cancer cell line; PEO1 and PEO4. We endeavour to use these findings to help link the transcriptional function of G-quadruplexes with enchancer in chemotherapy sensitive (PEO1) and chemotherapy resistant (PEO4) ovarian cancer cells.

ORGANISM(S): Homo sapiens

PROVIDER: GSE279641 | GEO | 2025/06/06

REPOSITORIES: GEO

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