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Updated: Oct 27, 2025

Targeted Next-generation Sequencing and Bioinformatics Pipeline to Evaluate Genetic Determinants of Constitutional Disease
Published on: April 4, 2018
Interpretable prioritization of splice variants in diagnostic next-generation sequencing
Daniel Danis1, Julius O B Jacobsen2, Leigh C Carmody1
1The Jackson Laboratory for Genomic Medicine, 10 Discovery Drive, Farmington, CT 06032, USA.
A new algorithm, SQUIRLS, accurately interprets genetic splice variants outside conserved regions. This tool enhances diagnostic pipelines for genetic diseases by providing faster and more precise variant classification.
Area of Science:
- Genetics
- Computational Biology
- Bioinformatics
Background:
- Interpreting genetic variants affecting RNA splicing is crucial for diagnosing diseases.
- Existing methods struggle with variants outside highly conserved intronic splice sites.
Purpose of the Study:
- To develop and validate a novel algorithm for accurate splice variant classification.
- To improve the interpretation of genetic variants in diagnostic settings.
Main Methods:
- Developed the Super Quick Information-content Random-forest Learning of Splice variants (SQUIRLS) algorithm.
- Utilized machine learning with sequence information-content, regulatory elements, and sequence characteristics.
- Trained random forest classifiers for donor and acceptor splice sites, combined via logistic regression.
Main Results:
- SQUIRLS accurately classifies splice variants outside conserved regions.
- Achieved state-of-the-art accuracy in simulated exome analyses.
- Demonstrated significantly faster performance compared to existing methods.
Conclusions:
- SQUIRLS offers a powerful new tool for genetic diagnostics.
- The algorithm facilitates easier interpretation of splice variants in clinical settings.
- Provides tabular and visualization outputs for integration into diagnostic pipelines.
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