Human Metabolome Database

Human Metabolome Database
Name	Human Metabolome Database
Type	Scientific database
Discipline	Metabolomics
Country	Canada
Institution	University of Alberta
Established	2007

Human Metabolome Database is a comprehensive compendium of small molecule metabolites found in the human body, providing curated biochemical, clinical, and molecular information for research and clinical use. The resource integrates chemical, biological, and clinical data to support studies in biochemistry, pharmacology, and clinical diagnostics. It is maintained by academic institutions and is widely cited in literature spanning metabolomics, systems biology, and precision medicine.

Overview

The resource aggregates curated entries that describe endogenous and exogenous metabolites, standardized identifiers, and experimental evidence, and it is used by investigators working on University of Alberta, Michael P. Snyder, David Wishart, Genome Canada, and multinational consortia such as Human Proteome Organization and Metabolomics Society. The database facilitates cross-referencing with major chemical and biological repositories including PubChem, ChEBI, KEGG, HMDB-linked resources, and clinical resources like ClinicalTrials.gov and UniProt partners. It serves laboratories engaged with technologies pioneered at institutions like Massachusetts Institute of Technology, Stanford University, Harvard University, and Broad Institute.

Data Content and Structure

Entries encompass chemical descriptors, structural files, synonyms, spectral data, concentration ranges, and disease associations, enabling interoperability with standards developed by IUPAC, InChI Trust, and International Union of Biochemistry and Molecular Biology. Data fields include high-resolution mass spectra and NMR spectra used in pipelines at Bruker Corporation, Agilent Technologies, and facilities like National Institutes of Health cores. Crosslinks reference pathway and enzyme information curated alongside annotations from Reactome, BioCyc, and KEGG PATHWAY, with metabolite provenance connected to cohorts from studies at Johns Hopkins University, Mayo Clinic, and Cleveland Clinic.

Curation and Quality Control

Curators apply manual annotation workflows informed by standards from Metabolomics Standards Initiative, quality criteria adopted by Nature Methods-endorsed protocols, and validation practices used in Clinical and Laboratory Standards Institute documents. Quality control utilizes reference materials from National Institute of Standards and Technology, spectral libraries shared with groups at European Bioinformatics Institute and automated checks analogous to systems at EMBL-EBI. An editorial team with ties to University of Toronto and University of British Columbia reviews literature provenance and experimental reproducibility metrics, while versioning and change logs follow practices seen at GenBank and ArrayExpress.

Access, Tools, and Usage

The database offers web-based search, programmatic access, and downloadable datasets compatible with workflows developed at Galaxy Project, Bioconductor, and Cytoscape plugins. Users employ browser interfaces influenced by design patterns from National Center for Biotechnology Information and integrate with cheminformatics toolkits such as RDKit and platforms like MetaboAnalyst used in pipelines at University of Cambridge and Imperial College London. Analytical tools include spectral search, pathway mapping, and concentration-based queries useful to researchers at Salk Institute and clinicians at Stanford Health Care.

Applications in Research and Medicine

Investigators apply the resource in biomarker discovery projects conducted at Massachusetts General Hospital, epidemiological studies tied to Framingham Heart Study, and pharmacometabolomics efforts in collaborations with Pfizer and GlaxoSmithKline. Clinical metabolomics applications include diagnostic panels influenced by work at Mayo Clinic Laboratories and translational programs at National Health Service trusts and cancer centers like MD Anderson Cancer Center. The database supports integrative studies combining genomics from 1000 Genomes Project cohorts, proteomics from ProteomeXchange, and microbiome research from Human Microbiome Project.

History and Development

Conceived and led by teams with members from University of Alberta and collaborators from University of British Columbia, the project evolved through funding and partnerships with organizations such as Genome Canada and Canadian Institutes of Health Research. Early datasets and methodologies were influenced by metabolomics initiatives at Imperial College London and spectral standardization efforts involving Bruker and Agilent Technologies. Major release milestones paralleled advances in high-resolution mass spectrometry and NMR instrumentation adopted at centers like Lawrence Berkeley National Laboratory and Argonne National Laboratory.

Licensing and Availability

Data distribution follows academic licensing models compatible with reuse in research environments, echoing policies from Creative Commons-based repositories and public-domain resources like PubChem. Access tiers enable open browsing and academic download while respecting contributor agreements with clinical partners including Mayo Clinic and industry collaborators such as Thermo Fisher Scientific. Users from institutions like University of Oxford and Yale University typically access data under terms that permit academic integration, computational analysis, and citation in peer-reviewed venues like Nature, Science, and Cell.

Category:Biological databases