Clinical Variant Interpretation and Biologically Relevant Reference Transcripts

Overview

Journal NPJ Genom Med

Specialty Genetics

Date 2022 Oct 18

PMID 36257961

Authors

Fernando Pozo

Jose Manuel Rodriguez

Jesus Vazquez

Michael L Tress

Affiliations

Soon will be listed here.

Abstract

Clinical variant interpretation is highly dependent on the choice of reference transcript. Although the longest transcript has traditionally been chosen as the reference, APPRIS principal and MANE Select transcripts, biologically supported reference sequences, are now available. In this study, we show that MANE Select and APPRIS principal transcripts are the best reference transcripts for clinical variation. APPRIS principal and MANE Select transcripts capture almost all ClinVar pathogenic variants, and they are particularly powerful over the 94% of coding genes in which they agree. We find that a vanishingly small number of ClinVar pathogenic variants affect alternative protein products. Alternative isoforms that are likely to be clinically relevant can be predicted using TRIFID scores, the highest scoring alternative transcripts are almost 700 times more likely to house pathogenic variants. We believe that APPRIS, MANE and TRIFID are essential tools for clinical variant interpretation.

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