Related Experiment Video
Updated: Sep 16, 2025
08:44
Dried Blood and Serum Spots As A Useful Tool for Sample Storage to Evaluate Cancer Biomarkers
Published on: June 11, 2018
10.6K
Development of Detection Method Using Dried Blood Spot with Next-Generation Sequencing and LabDroid for Gene Doping
Kiyoshi Maehara1, Atsushi Hirokawa2, Hinata Watanabe2
1Doctoral Program in Medical Sciences, Graduate School of Comprehensive Human Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba 305-8572, Japan.
International Journal of Molecular Sciences
|July 12, 2025
Summary
Researchers developed a new gene doping detection method using dried blood spots (DBS) and next-generation sequencing (NGS). This innovative approach successfully identified gene doping in a mouse model, paving the way for improved anti-doping strategies.
Area of Science:
- Sports Science
- Biotechnology
- Genetics
Background:
- Gene therapy advancements raise concerns about potential misuse in sports doping.
- Current gene doping detection methods have limitations and require enhancement.
- Progress in blood storage, next-generation sequencing (NGS), and robotics offers new possibilities.
Purpose of the Study:
- To develop an improved method for detecting gene doping.
- To utilize dried blood spot (DBS) technology for sample collection.
- To integrate NGS and LabDroid automation for enhanced detection capabilities.
Main Methods:
- Established a gene doping mouse model using recombinant adeno-associated virus carrying the human erythropoietin (hEPO) gene.
- Collected whole blood and prepared dried blood spots (DBS).
- Employed the LabDroid "Maholo" for DNA extraction from DBS and library preparation for NGS, followed by bioinformatic analysis.
Main Results:
- Successfully identified specific DNA fragments indicative of hEPO gene doping in the treated mice.
- The developed method demonstrated clear differentiation between the gene-doped model and control mice.
- Confirmed the feasibility of using DBS, Maholo, and NGS for gene doping detection.
Conclusions:
- This study presents the first biological model of hEPO gene doping utilizing Maholo, NGS, and DBS.
- The integrated method shows significant promise for advancing the development of reliable gene doping tests.
- This approach could enhance anti-doping efforts in sports by providing a more robust detection system.
