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Updated: Mar 14, 2026

Drug Repurposing Hypothesis Generation Using the "RE:fine Drugs" System
Published on: December 11, 2016
Leveraging human genetics to guide drug target discovery
Nathan O Stitziel1, Sekar Kathiresan2
1Cardiovascular Division, Department of Medicine, Washington University School of Medicine, Saint Louis, MO; Department of Genetics, Washington University School of Medicine, Saint Louis, MO; McDonnell Genome Institute, Washington University School of Medicine, Saint Louis, MO.
Abstract:
Identifying appropriate molecular targets is a critical step in drug development. Despite many advantages, the traditional tools of observational epidemiology and cellular or animal models of disease can be misleading in identifying causal pathways likely to lead to successful therapeutics. Here, we review some favorable aspects of human genetics studies that have the potential to accelerate drug target discovery. These include using genetic studies to identify pathways relevant to human disease, leveraging human genetics to discern causal relationships between biomarkers and disease, and studying genetic variation in humans to predict the potential efficacy and safety of inhibitory compounds aimed at molecular targets. We present some examples taken from studies of plasma lipids and coronary artery disease to highlight how human genetics can accelerate therapeutics development.
Insights
Human genetics studies accelerate drug discovery by identifying disease pathways and predicting drug efficacy and safety. This approach offers a more reliable method than traditional models for developing successful therapeutics.
Area of Science:
- Pharmacology
- Genetics
- Epidemiology
Background:
- Traditional drug development tools like observational epidemiology and animal models can be unreliable for identifying causal disease pathways.
- Identifying effective molecular targets is crucial for successful therapeutic development.
Purpose of the Study:
- To review the advantages of human genetics studies in accelerating drug target discovery.
- To highlight how human genetics can improve the prediction of therapeutic efficacy and safety.
Main Methods:
- Review of human genetics studies.
- Analysis of genetic variation in relation to disease pathways and biomarkers.
- Case examples from plasma lipid and coronary artery disease research.
Main Results:
- Human genetics can identify disease-relevant pathways.
- Genetic studies help discern causal links between biomarkers and disease.
- Genetic variation predicts the efficacy and safety of molecular targets.
Conclusions:
- Human genetics offers a powerful approach to accelerate drug discovery.
- Leveraging human genetic data enhances the identification of reliable therapeutic targets.
- This strategy can lead to more effective and safer drug development.
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