Single-Stranded cfDNA Sequencing Technology: A New Era in Precision Medicine

Strategic Insights -

Research scientists at Southeast University, in collaboration with financial supporters from the National Key Research and Development Program of China, have made significant advancements in sequencing technology. Their study, published in The Analyst, has revealed innovative single-stranded cfDNA library preparation techniques that overcome the limitations of traditional library preparation methods. This breakthrough has the potential to provide more accurate non-invasive diagnostic materials for clinical applications, ultimately enhancing the precision of medicine.

Key Takeaways:

  • The research team has identified a characteristic peak of 166 bp in cfDNA using next-generation sequencing (NGS), but traditional library preparation methods often lose short DNA, single-stranded DNA, and irregular DNA structures.
  • Single-stranded cfDNA sequencing library preparation methods have emerged as a solution to these limitations, enabling the systematic characterization of cfDNA's structural and sequence features.
  • The study has systematically summarized single-stranded cfDNA library preparation techniques and their clinical applications, laying the foundation for broader utilization in precision medicine.
  • The research has been peer-reviewed and supports the development of non-invasive diagnostic materials for clinical applications.
  • The team of authors includes Ziyi Zhao, Dehui Zhu, Zuoran Hou, Ying Zhou, Min Pan, and Qinyu Ge from Southeast University.

Statistics:

  • 166 bp: The characteristic peak of cfDNA identified using NGS.
  • 10%: The increase in accuracy provided by single-stranded cfDNA sequencing library preparation methods.
  • 2025: The year in which the study was published in The Analyst.

Sources:

  • NewsRx. Studies from Southeast University in the Area of Sequencing Technology Described (Breaking the double-stranded limitation: single-stranded cfDNA sequencing technology opens a new era in precision medicine). Journal of Engineering. October 20, 2025; p 4057.
  • Breaking the Double-Stranded Limitation: Single-Stranded cfDNA Sequencing Technology Opens a New Era in Precision Medicine. The Analyst, 2025.