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Complimentary Episignature Testing for Variant Reclassification: Case Reports with Variant Classification Guideline
Pratibha Bawa1, Jessica Rzasa2, Jennifer Kerkhof2
1Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
Episignatures, DNA methylation patterns, aid in interpreting variants of uncertain significance (VUS) for rare genetic disorders. The METRIC score shows high concordance, enhancing diagnostic confidence for conditions like Rubinstein-Taybi and Cornelia de Lange syndromes.
Area of Science:
- Genetics
- Epigenetics
- Molecular Biology
Background:
- Variants of uncertain significance (VUS) present diagnostic challenges in clinical genetics.
- Episignatures, derived from DNA methylation patterns, are established biomarkers for several Mendelian disorders.
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