OMIM

OMIM
Name	OMIM
Type	Biomedical database
Owner	Johns Hopkins University
Author	Victor McKusick
Launched	1966 (as Mendelian Inheritance in Man), 1987 (as online)
Country	United States
Languages	English

OMIM is a comprehensive, authoritative catalog of human genes and genetic phenotypes, emphasizing inherited disorders and the relationship between genotype and phenotype. It serves as a curated reference for clinicians, geneticists, and researchers associated with institutions such as Johns Hopkins University, National Institutes of Health, Howard Hughes Medical Institute, and international centers for medical genetics. The resource integrates historical and contemporary literature, linking notable contributions from figures like Victor McKusick, Sydney Brenner, and institutions including Cold Spring Harbor Laboratory, Harvard Medical School, and Massachusetts Institute of Technology.

Overview

OMIM is organized as a compendium compiling entries on single-gene disorders, phenotypic descriptions, allelic variants, and gene loci, cross-referenced with primary literature and curated by experts affiliated with Johns Hopkins Hospital and allied centers. It complements resources such as ClinVar, HGNC, Ensembl, UCSC Genome Browser, and UniProt by emphasizing narrative synthesis, historical context, and annotated allele records used by clinicians at centers like Mayo Clinic, Cleveland Clinic, and Great Ormond Street Hospital. OMIM entries often cite seminal studies from journals such as Nature, Science, The Lancet, and New England Journal of Medicine.

History and Development

The project began as the printed catalogue "Mendelian Inheritance in Man" compiled by Victor McKusick at Johns Hopkins University in 1966, building on earlier genetic investigations by researchers at institutions including University of Edinburgh and Columbia University. The transition to an online format occurred in 1987 amid expanding molecular genetics knowledge following milestones like the Human Genome Project and techniques pioneered at Sanger Centre and Broad Institute. Key updates reflected advances from groups led by scientists such as Francis Collins, Eric Lander, and J. Craig Venter, and institutional funding and collaborations involved organizations including the National Human Genome Research Institute and Wellcome Trust.

Content and Structure

Entries in OMIM are assigned stable six-digit identifiers and are structured to include clinical synopses, allelic variants, molecular genetics, and bibliographies referencing authors from journals and conferences such as American Society of Human Genetics meetings. The database integrates nomenclature concordant with bodies like HUGO Gene Nomenclature Committee and cross-links to locus records from GenBank, RefSeq, dbSNP, and curated variant resources like ClinGen. Contributors include curators and advisors from Stanford University, University of Cambridge, University of Oxford, and specialist groups at pediatric and adult genetics centers worldwide.

Access and Usage

OMIM is accessible to users at academic and clinical institutions including Yale University, University of California, San Francisco, Karolinska Institutet, and research centers such as Salk Institute and Riken. It is used during diagnostic workflows in hospitals like Toronto General Hospital and by researchers at labs affiliated with Johns Hopkins School of Medicine for variant interpretation, literature review, and phenotype-driven gene discovery. OMIM interoperates with electronic resources and standards such as Human Phenotype Ontology, laboratory information systems at institutions like Dana–Farber Cancer Institute, and bioinformatics tools developed at European Bioinformatics Institute.

Clinical and Research Applications

Clinicians at specialty centers—St. Jude Children's Research Hospital, Children's Hospital of Philadelphia, and tertiary centers in networks such as European Reference Networks—use OMIM for differential diagnosis, genetic counseling, and variant annotation. Researchers conducting positional cloning, exome sequencing, and genome-wide association studies at institutions like Cold Spring Harbor Laboratory and Broad Institute consult OMIM to contextualize gene–disease relationships and to design functional studies using model organism facilities at Jackson Laboratory and Max Planck Institute. OMIM entries inform guideline development by professional societies including American College of Medical Genetics and Genomics and contribute to variant curation efforts in consortia such as ClinGen and Global Alliance for Genomics and Health.

Criticisms and Limitations

Critiques noted by scholars at universities like University of Toronto, McGill University, and policy analysts in organizations such as World Health Organization point to issues including lag in updating entries relative to fast-moving literature, variable depth across conditions, and limited granularity for polygenic traits compared to databases like GWAS Catalog or resources at UK Biobank. Other limitations involve licensing and integration constraints raised in discussions with stakeholders from European Molecular Biology Laboratory and concerns about equitable global representation from genetic centers in regions such as Africa, South America, and parts of Asia.

Category:Biomedical databases