High-throughput assays to assess variant effects on disease
Kaiyue Ma1, Logan O Gauthier1, Frances Cheung1
1Department of Genetics, Yale School of Medicine, New Haven, CT 06510, USA.
Disease Models & Mechanisms
|June 28, 2024
Summary
Deep mutational scanning (DMS) aids rare disease diagnostics by testing genetic variants in cells. This study explores new functional assays to enhance DMS capabilities for disease mechanism research.
Area of Science:
- Genetics
- Molecular Biology
- Genomics
Background:
- Interpreting rare genetic variants for human health is challenging due to limited clinical data.
- Deep mutational scanning (DMS) offers a way to study genetic variants not found in clinical reports, aiding rare disease diagnostics.
- Functional assays specific to disease mechanisms are currently a bottleneck for maximizing DMS potential.
Purpose of the Study:
- To explore high-throughput functional methodologies for examining broad disease mechanisms.
- To integrate disease-relevant assays into the deep mutational scanning (DMS) framework.
- To identify methods that do not require robotics or automation, focusing on molecular tools for detectable signals.
Main Methods:
- Focus on functional assays that transform biological mechanisms into detectable signals (e.g., cell survival, fluorescence, drug resistance).
- Exploration of methodologies suitable for high-throughput screening without extensive automation.
- Development of molecular tools for unbiased variant investigation.
Main Results:
- Identification of suitable high-throughput functional assays for DMS.
- Demonstration of methods to link biological mechanisms to measurable outputs.
- Bridging the gap between disease-specific assays and the DMS framework.
Conclusions:
- Deep mutational scanning (DMS) can be enhanced by integrating novel, high-throughput functional assays.
- This approach improves the study of rare genetic variants and their link to human diseases.
- The developed methodologies facilitate broader application of DMS in genetic research and diagnostics.


