High-throughput PRIME-editing screens identify functional DNA variants in the human genome.
Mol Cell
; 83(24): 4633-4645.e9, 2023 Dec 21.
Article
in En
| MEDLINE
| ID: mdl-38134886
ABSTRACT
Despite tremendous progress in detecting DNA variants associated with human disease, interpreting their functional impact in a high-throughput and single-base resolution manner remains challenging. Here, we develop a pooled prime-editing screen method, PRIME, that can be applied to characterize thousands of coding and non-coding variants in a single experiment with high reproducibility. To showcase its applications, we first identified essential nucleotides for a 716 bp MYC enhancer via PRIME-mediated single-base resolution analysis. Next, we applied PRIME to functionally characterize 1,304 genome-wide association study (GWAS)-identified non-coding variants associated with breast cancer and 3,699 variants from ClinVar. We discovered that 103 non-coding variants and 156 variants of uncertain significance are functional via affecting cell fitness. Collectively, we demonstrate that PRIME is capable of characterizing genetic variants at single-base resolution and scale, advancing accurate genome annotation for disease risk prediction, diagnosis, and therapeutic target identification.
Key words
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Genome, Human
/
Genome-Wide Association Study
Limits:
Humans
Language:
En
Journal:
Mol Cell
/
Mol. cell
/
Molecular cell
Journal subject:
BIOLOGIA MOLECULAR
Year:
2023
Type:
Article
Affiliation country:
United States