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A comprehensive global genotype-phenotype database for rare diseases.

Daniel Trujillano1, Gabriela-Elena Oprea1, Yvonne Schmitz1

  • 1Centogene AG Rostock Germany.

Molecular Genetics & Genomic Medicine
|January 25, 2017
PubMed
Summary
This summary is machine-generated.

A new global genotype-phenotype database aids rare disease diagnosis by linking genetic variants to patient phenotypes. It improves variant interpretation and diagnostic accuracy for hereditary diseases.

Keywords:
Clinical diagnosticsHPOrare diseasevariant database

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Area of Science:

  • Genomics
  • Clinical Genetics
  • Rare Diseases

Background:

  • Interpreting genetic variants is challenging, lagging behind discovery.
  • Accurate genotype-phenotype databases are crucial for clinical genetic diagnostics.
  • A global database for rare diseases is introduced.

Purpose of the Study:

  • To provide a comprehensive genotype-phenotype database for rare diseases.
  • To aid in the evaluation of genetic variants and improve diagnostic accuracy.
  • To enhance treatment option evaluation for hereditary diseases.

Main Methods:

  • A browser-based tool, CentoMD®, offers curated genetic and Human Phenotype Ontology (HPO)-based clinical information.
  • Database software correlates patient clinical data with genetic variants and biomarkers.
  • Automated updates inform users of variant classification changes within a CLIA/CAP-accredited system.

Main Results:

  • Over 100,000 individuals and 470 million variant detections are documented.
  • Approximately 57% of clinically relevant/uncertain variants are novel.
  • 3% of previously reported disease-associated variants were reclassified as irrelevant.

Conclusions:

  • The database summarizes clinical validity and causality of gene variants and phenotypes.
  • It serves as a valuable tool for identifying new disease genes.
  • Correlating novel variants with well-defined phenotypes aids discovery.