Protocol to analyze deep-learning-predicted functional scores for noncoding de novo variants and their correlation
Enrique Mondragon-Estrada1, Sarah U Morton2
1Division of Newborn Medicine, Department of Pediatrics, Boston Children's Hospital, Boston, MA 02115, USA; Fetal Neonatal Neuroimaging and Developmental Science Center, Boston Children's Hospital, Boston, MA 02115, USA.
STAR Protocols
|April 8, 2025
Summary
This study introduces a computational protocol to predict the functional impact of genetic variants. It helps prioritize variants and link them to complex brain traits using deep learning scores.
Area of Science:
- Genomics
- Computational Biology
- Neuroscience
Background:
- Predicting the functional impact of noncoding genetic variants is crucial for understanding complex traits.
- Current computational scores offer insights but require multi-step analyses for custom variant sets and trait association.
- Integrating variant functional predictions with complex trait data, particularly brain traits, remains a challenge.
Purpose of the Study:
- To present a standardized protocol for prioritizing genetic variants based on deep-learning-predicted functional scores.
- To demonstrate the association of these functional scores with complex brain traits.
- To provide a generalizable framework for variant prioritization and phenotype correlation.
Main Methods:
- Generation of deep-learning-based functional scores for custom variant sets.
- Statistical comparison of variant scores.
- Correlation analysis between functional scores and brain phenotypes.
- Functional enrichment analysis to interpret variant significance.
Main Results:
- The protocol enables the generation and application of deep-learning functional scores for variant prioritization.
- Demonstrated the successful association of predicted functional scores with specific brain traits.
- The methodology proved effective in identifying potentially impactful variants.
Conclusions:
- The developed protocol offers a robust and generalizable method for functional variant prioritization.
- This approach facilitates the integration of computational predictions with complex trait analysis, particularly in neuroscience.
- The protocol can be adapted for various genetic models and phenotypic data.


