eram

is a Data Source.

The encyclopedia of Rare disease Annotation for Precision Medicine (eRAM) is a standardized system providing computational annotations for rare diseases to support precision medicine. eRAM provides annotations for approximately 16,000 rare diseases, including detailed information on clinical phenotypes, symptoms, genes, and genotypes. The database contains over 6,100 human disease-related phenotype terms, 31,600 mammalian phenotype terms, 10,200 symptoms from UMLS, 18,800 genes and 92,500 genotypes. eRAM organizes diseases in a tree structure to systematically display relationships between diseases with similar pathogenesis, close anatomical sites, the same clinical symptoms or subtypes, facilitating both research into rare disease mechanisms and clinical diagnosis and treatment decisions.

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eram.web eRAM Web Interface eram GraphicalInterface http Web-based interface for browsing and ...
eram.downloads eRAM Data Downloads download.php Product mixed Downloadable data files containing ra...

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eRAM: encyclopedia of rare disease annotations for precision medicine

The encyclopedia of Rare Disease Annotation for Precision Medicine (eRAM) provides computational annotations for rare diseases to support precision medicine applications. Developed to address the limited knowledge of rare diseases that forms a major obstacle to improving their treatment, eRAM focuses on detailed clinical phenotyping as a keystone for deciphering genes related to rare diseases and realizing precision medicine.

Key Features

  • Comprehensive Coverage: Annotations for approximately 16,000 rare diseases
  • Multi-source Phenotype Data: 6,147 human disease-related phenotype terms, 31,661 mammalian phenotype terms, 10,202 symptoms from UMLS
  • Genetic Information: 18,815 genes and 92,580 genotypes associated with rare diseases
  • Tree Structure Organization: Systematic display of diseases and relationships between diseases with similar pathogenesis, close anatomical sites, or the same clinical symptoms
  • Clinical Support: Provides clinical phenotypes with importance rankings and appropriate treatment strategies to facilitate timely diagnosis and treatment

Data Sources

eRAM integrates information from multiple authoritative sources including the Human Disease Network, Online Mendelian Inheritance in Man (OMIM), the Unified Medical Language System (UMLS), the Disease Ontology, Medical Subject Headings (MeSH), and Orphanet.

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Created: November 19, 2025 | Last modified: June 01, 2026