A dyadic approach to the delineation of diagnostic entities in clinical genomics
- PMID: 33417889
- PMCID: PMC7820621
- DOI: 10.1016/j.ajhg.2020.11.013
A dyadic approach to the delineation of diagnostic entities in clinical genomics
Abstract
The delineation of disease entities is complex, yet recent advances in the molecular characterization of diseases provide opportunities to designate diseases in a biologically valid manner. Here, we have formalized an approach to the delineation of Mendelian genetic disorders that encompasses two distinct but inter-related concepts: (1) the gene that is mutated and (2) the phenotypic descriptor, preferably a recognizably distinct phenotype. We assert that only by a combinatorial or dyadic approach taking both of these attributes into account can a unitary, distinct genetic disorder be designated. We propose that all Mendelian disorders should be designated as "GENE-related phenotype descriptor" (e.g., "CFTR-related cystic fibrosis"). This approach to delineating and naming disorders reconciles the complexity of gene-to-phenotype relationships in a simple and clear manner yet communicates the complexity and nuance of these relationships.
Copyright © 2020 American Society of Human Genetics. All rights reserved.
Conflict of interest statement
L.G.B. receives in-kind research support from ArQule (now a wholly owned subsidiary of Merck) and Pfizer and receives honoraria from Cold Spring Harbor Press. K.W.G. is Chief Medical Officer for FDN (Face to DNA). K.R. is an employee of GeneDx, a subsidiary of Opko Health, and a shareholder of Opko Health. The other authors declare no competing interests.
Comment in
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Response to Biesecker et al.Am J Hum Genet. 2021 Sep 2;108(9):1807-1808. doi: 10.1016/j.ajhg.2021.07.004. Am J Hum Genet. 2021. PMID: 34478655 Free PMC article. No abstract available.
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Response to Hamosh et al.Am J Hum Genet. 2021 Sep 2;108(9):1809-1810. doi: 10.1016/j.ajhg.2021.07.006. Am J Hum Genet. 2021. PMID: 34478656 Free PMC article. No abstract available.
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