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. 2014 Jan;42(Database issue):D966-74.
doi: 10.1093/nar/gkt1026. Epub 2013 Nov 11.

The Human Phenotype Ontology project: linking molecular biology and disease through phenotype data

Affiliations

The Human Phenotype Ontology project: linking molecular biology and disease through phenotype data

Sebastian Köhler et al. Nucleic Acids Res. 2014 Jan.

Abstract

The Human Phenotype Ontology (HPO) project, available at http://www.human-phenotype-ontology.org, provides a structured, comprehensive and well-defined set of 10,088 classes (terms) describing human phenotypic abnormalities and 13,326 subclass relations between the HPO classes. In addition we have developed logical definitions for 46% of all HPO classes using terms from ontologies for anatomy, cell types, function, embryology, pathology and other domains. This allows interoperability with several resources, especially those containing phenotype information on model organisms such as mouse and zebrafish. Here we describe the updated HPO database, which provides annotations of 7,278 human hereditary syndromes listed in OMIM, Orphanet and DECIPHER to classes of the HPO. Various meta-attributes such as frequency, references and negations are associated with each annotation. Several large-scale projects worldwide utilize the HPO for describing phenotype information in their datasets. We have therefore generated equivalence mappings to other phenotype vocabularies such as LDDB, Orphanet, MedDRA, UMLS and phenoDB, allowing integration of existing datasets and interoperability with multiple biomedical resources. We have created various ways to access the HPO database content using flat files, a MySQL database, and Web-based tools. All data and documentation on the HPO project can be found online.

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Figures

Figure 1.
Figure 1.
The HPO aims to act as a central resource to connect several genomics datasets with the diseasome. Thus, the HPO can act as a scaffold for enabling the interoperability between molecular biology and human disease. For example, phenotypic abnormalities in genetically modified model organisms can be mapped to human disease phenotypes (2).
Figure 2.
Figure 2.
Statistics of the data from the HPO project from January 2009 to August 2013. Ontology statistics shows quantities related to the file hp.obo. The annotation statistics clearly demonstrates the inclusion of Orphanet data in October 2012.

References

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