Cited by 89Genomics and Rare DiseasesArtificial Intelligence in Healthcare and EducationMetabolism and Genetic Disorders

Opportunities and challenges for the computational interpretation of rare variation in clinically important genes

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McInnes, Gregory, Sharo, Andrew G., Koleske, Megan L., Brown, Julia E.H., Norstad, Matthew, Adhikari, Aashish N., Wang, Sheng, Brenner, Steven E. +6 more·2021·The American Journal of Human Genetics

Abstract

Genome sequencing is enabling precision medicine-tailoring treatment to the unique constellation of variants in an individual's genome. The impact of recurrent pathogenic variants is often understood, however there is a long tail of rare genetic variants that are uncharacterized. The problem of uncharacterized rare variation is especially acute when it occurs in genes of known clinical importance with functionally consequential variants and associated mechanisms. Variants of uncertain significance (VUSs) in these genes are discovered at a rate that outpaces current ability to classify them with databases of previous cases, experimental evaluation, and computational predictors. Clinicians are thus left without guidance about the significance of variants that may have actionable consequences. Computational prediction of the impact of rare genetic variation is increasingly becoming an important capability. In this paper, we review the technical and ethical challenges of interpreting the function of rare variants in two settings: inborn errors of metabolism in newborns and pharmacogenomics. We propose a framework for a genomic learning healthcare system with an initial focus on early-onset treatable disease in newborns and actionable pharmacogenomics. We argue that (1) a genomic learning healthcare system must allow for continuous collection and assessment of rare variants, (2) emerging machine learning methods will enable algorithms to predict the clinical impact of rare variants on protein function, and (3) ethical considerations must inform the construction and deployment of all rare-variation triage strategies, particularly with respect to health disparities arising from unbalanced ancestry representation.

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  1. [81]van der Lee M. Allard W.G. Rolf H.A. Baak-Pablo R.F. Menafra R. Birgit A.L. Deenen M.J. Neven P. Johansson I. Gastaldello S. A unifying model to predict variable drug response for personalised medicine bioRxiv 2020 10.1101/2020.03.02.967554 · DOI
  2. [90]McInnes G. Dalton R. Sangkuhl K. Whirl-Carrillo M. Lee S.-B. Tsao P.S. Gaedigk A. Altman R.B. Woodahl E.L. Transfer learning enables prediction of CYP2D6 haplotype function bioRxiv 2020 10.1101/684357 PMC7660895 33137098 · DOI

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Authors
McInnes, G., Sharo, A. G., Koleske, M. L., Brown, J. E. H., Norstad, M., Adhikari, A. N., Wang, S., Brenner, S. E., Halpern, J., Koenig, B. A., Magnus, D. C., Gallagher, R. C., Giacomini, K. M., & Altman, R. B.
Affiliations
  • Stanford University (US)
  • University of California, Berkeley (US)
  • University of California, San Francisco (US)
  • Illumina (United States) (US)
  • University of Washington (US)
  • Stanford Medicine (US)
Corresponding author
Altman, Russ B.
Venue
The American Journal of Human Genetics
Publisher
Elsevier BV
Published
2021-04
Volume
108
Issue
4
Pages
535-548
ISSN
0002-9297 (ISSN-L)
OpenAlex
W3147241712
Cited by
86
References
115
Citations by year
2026: 11 · 2025: 16 · 2024: 23 · 2023: 12 · 2022: 22 · 2021: 2
FWCI
2.28
Type
journal article
Language
en
Open access
Locations
  • The American Journal of Human Genetics (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by-nc-nd)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • National Science Foundation (DGE 1752814, U19HD077627)
  • National Center for Advancing Translational Sciences (UL1TR003142, HG010615, GM102365)
  • National Institutes of Health (U19HD077627, T32 LM012409)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomics and Rare Diseases
  • Health Sciences › Medicine › Health Informatics › Artificial Intelligence in Healthcare and Education
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Clinical Biochemistry › Metabolism and Genetic Disorders
Keywords
rare variants, variants of uncertain significance, clinical variant interpretation, inborn errors of metabolism, newborn screening, pharmacogenomics, health disparities, precision medicine
MeSH terms
Machine Learning, Genetics, Medical, Humans, Infant, Newborn, Metabolism, Inborn Errors, Pharmacogenetics, Genetic Variation, Genome, Human, Genomics, Precision Medicine

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