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Developing Del2Phen: A Novel Phenotype Description Tool for Chromosome Deletions
Eleana Rraku1,2, Tyler D Medina1,3,4, Conny M A van Ravenswaaij-Arts1,5
1Department of Genetics, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands, umcg.nl.
Human Mutation
|January 5, 2026
Summary
The Chromosome 6 Project created Del2Phen, a software tool that analyzes genetic data to predict health conditions in children with chromosome 6 aberrations. This helps families understand potential phenotypes and supports clinical care.
Area of Science:
- Genetics
- Bioinformatics
- Clinical Genetics
Background:
- Limited health information exists for rare chromosome disorders, impacting patient care and family support.
- Structural aberrations of chromosome 6 present unique challenges due to data scarcity.
- The Chromosome 6 Project addresses this by collecting global phenotype and genotype data.
Purpose of the Study:
- To develop a computational tool for predicting phenotypes associated with chromosome 6 aberrations.
- To provide parents with accessible information regarding their child's expected health outcomes.
- To aid healthcare professionals in diagnosing and managing chromosome disorder cases.
Main Methods:
- Collected phenotype and genotype data from over 500 individuals with chromosome 6 aberrations.
- Developed Del2Phen, a software tool using genotypic similarity and gene-phenotype relationships.
- Evaluated optimal parameters for chromosome 6 deletions to ensure reliable clinical descriptions.
Main Results:
- Del2Phen generates aberration-specific phenotype information by identifying genotypically similar individuals.
- The tool provides clinical descriptions based on phenotypic data from comparable cases.
- Demonstrated the tool's effectiveness for chromosome 6 deletions, with potential for other chromosomes and duplications.
Conclusions:
- Del2Phen expedites data analysis for chromosome disorders, improving clinical care.
- The tool will be integrated into an interactive website for parents, enhancing health information accessibility.
- This approach aids in understanding and managing rare chromosome aberrations.
